Annotation of /trunk/kernel-alx/patches-4.1/0116-4.1.17-all-fixes.patch
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Revision 2761 -
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Fri Feb 12 13:40:38 2016 UTC (8 years, 7 months ago) by niro
File size: 162185 byte(s)
Fri Feb 12 13:40:38 2016 UTC (8 years, 7 months ago) by niro
File size: 162185 byte(s)
-linux-4.1.17
1 | niro | 2761 | diff --git a/Makefile b/Makefile |
2 | index 7609f1dcdcb9..d398dd440bc9 100644 | ||
3 | --- a/Makefile | ||
4 | +++ b/Makefile | ||
5 | @@ -1,6 +1,6 @@ | ||
6 | VERSION = 4 | ||
7 | PATCHLEVEL = 1 | ||
8 | -SUBLEVEL = 16 | ||
9 | +SUBLEVEL = 17 | ||
10 | EXTRAVERSION = | ||
11 | NAME = Series 4800 | ||
12 | |||
13 | diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c | ||
14 | index 191dcfab9f60..da09ddcfcc00 100644 | ||
15 | --- a/arch/arm/kvm/mmu.c | ||
16 | +++ b/arch/arm/kvm/mmu.c | ||
17 | @@ -98,6 +98,11 @@ static void kvm_flush_dcache_pud(pud_t pud) | ||
18 | __kvm_flush_dcache_pud(pud); | ||
19 | } | ||
20 | |||
21 | +static bool kvm_is_device_pfn(unsigned long pfn) | ||
22 | +{ | ||
23 | + return !pfn_valid(pfn); | ||
24 | +} | ||
25 | + | ||
26 | /** | ||
27 | * stage2_dissolve_pmd() - clear and flush huge PMD entry | ||
28 | * @kvm: pointer to kvm structure. | ||
29 | @@ -213,7 +218,7 @@ static void unmap_ptes(struct kvm *kvm, pmd_t *pmd, | ||
30 | kvm_tlb_flush_vmid_ipa(kvm, addr); | ||
31 | |||
32 | /* No need to invalidate the cache for device mappings */ | ||
33 | - if ((pte_val(old_pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE) | ||
34 | + if (!kvm_is_device_pfn(pte_pfn(old_pte))) | ||
35 | kvm_flush_dcache_pte(old_pte); | ||
36 | |||
37 | put_page(virt_to_page(pte)); | ||
38 | @@ -305,8 +310,7 @@ static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd, | ||
39 | |||
40 | pte = pte_offset_kernel(pmd, addr); | ||
41 | do { | ||
42 | - if (!pte_none(*pte) && | ||
43 | - (pte_val(*pte) & PAGE_S2_DEVICE) != PAGE_S2_DEVICE) | ||
44 | + if (!pte_none(*pte) && !kvm_is_device_pfn(pte_pfn(*pte))) | ||
45 | kvm_flush_dcache_pte(*pte); | ||
46 | } while (pte++, addr += PAGE_SIZE, addr != end); | ||
47 | } | ||
48 | @@ -1037,11 +1041,6 @@ static bool kvm_is_write_fault(struct kvm_vcpu *vcpu) | ||
49 | return kvm_vcpu_dabt_iswrite(vcpu); | ||
50 | } | ||
51 | |||
52 | -static bool kvm_is_device_pfn(unsigned long pfn) | ||
53 | -{ | ||
54 | - return !pfn_valid(pfn); | ||
55 | -} | ||
56 | - | ||
57 | /** | ||
58 | * stage2_wp_ptes - write protect PMD range | ||
59 | * @pmd: pointer to pmd entry | ||
60 | diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c | ||
61 | index e0e23582c8b4..5fe949b084ac 100644 | ||
62 | --- a/arch/arm/net/bpf_jit_32.c | ||
63 | +++ b/arch/arm/net/bpf_jit_32.c | ||
64 | @@ -162,19 +162,6 @@ static inline int mem_words_used(struct jit_ctx *ctx) | ||
65 | return fls(ctx->seen & SEEN_MEM); | ||
66 | } | ||
67 | |||
68 | -static inline bool is_load_to_a(u16 inst) | ||
69 | -{ | ||
70 | - switch (inst) { | ||
71 | - case BPF_LD | BPF_W | BPF_LEN: | ||
72 | - case BPF_LD | BPF_W | BPF_ABS: | ||
73 | - case BPF_LD | BPF_H | BPF_ABS: | ||
74 | - case BPF_LD | BPF_B | BPF_ABS: | ||
75 | - return true; | ||
76 | - default: | ||
77 | - return false; | ||
78 | - } | ||
79 | -} | ||
80 | - | ||
81 | static void jit_fill_hole(void *area, unsigned int size) | ||
82 | { | ||
83 | u32 *ptr; | ||
84 | @@ -186,7 +173,6 @@ static void jit_fill_hole(void *area, unsigned int size) | ||
85 | static void build_prologue(struct jit_ctx *ctx) | ||
86 | { | ||
87 | u16 reg_set = saved_regs(ctx); | ||
88 | - u16 first_inst = ctx->skf->insns[0].code; | ||
89 | u16 off; | ||
90 | |||
91 | #ifdef CONFIG_FRAME_POINTER | ||
92 | @@ -216,7 +202,7 @@ static void build_prologue(struct jit_ctx *ctx) | ||
93 | emit(ARM_MOV_I(r_X, 0), ctx); | ||
94 | |||
95 | /* do not leak kernel data to userspace */ | ||
96 | - if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst))) | ||
97 | + if (bpf_needs_clear_a(&ctx->skf->insns[0])) | ||
98 | emit(ARM_MOV_I(r_A, 0), ctx); | ||
99 | |||
100 | /* stack space for the BPF_MEM words */ | ||
101 | diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h | ||
102 | index 17e92f05b1fe..3ca894ecf699 100644 | ||
103 | --- a/arch/arm64/include/asm/kvm_emulate.h | ||
104 | +++ b/arch/arm64/include/asm/kvm_emulate.h | ||
105 | @@ -99,11 +99,13 @@ static inline void vcpu_set_thumb(struct kvm_vcpu *vcpu) | ||
106 | *vcpu_cpsr(vcpu) |= COMPAT_PSR_T_BIT; | ||
107 | } | ||
108 | |||
109 | +/* | ||
110 | + * vcpu_reg should always be passed a register number coming from a | ||
111 | + * read of ESR_EL2. Otherwise, it may give the wrong result on AArch32 | ||
112 | + * with banked registers. | ||
113 | + */ | ||
114 | static inline unsigned long *vcpu_reg(const struct kvm_vcpu *vcpu, u8 reg_num) | ||
115 | { | ||
116 | - if (vcpu_mode_is_32bit(vcpu)) | ||
117 | - return vcpu_reg32(vcpu, reg_num); | ||
118 | - | ||
119 | return (unsigned long *)&vcpu_gp_regs(vcpu)->regs.regs[reg_num]; | ||
120 | } | ||
121 | |||
122 | diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c | ||
123 | index d882b833dbdb..608ac6aa497b 100644 | ||
124 | --- a/arch/arm64/kernel/ptrace.c | ||
125 | +++ b/arch/arm64/kernel/ptrace.c | ||
126 | @@ -58,6 +58,12 @@ | ||
127 | */ | ||
128 | void ptrace_disable(struct task_struct *child) | ||
129 | { | ||
130 | + /* | ||
131 | + * This would be better off in core code, but PTRACE_DETACH has | ||
132 | + * grown its fair share of arch-specific worts and changing it | ||
133 | + * is likely to cause regressions on obscure architectures. | ||
134 | + */ | ||
135 | + user_disable_single_step(child); | ||
136 | } | ||
137 | |||
138 | #ifdef CONFIG_HAVE_HW_BREAKPOINT | ||
139 | diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c | ||
140 | index 74753132c3ac..bbdb53b87e13 100644 | ||
141 | --- a/arch/arm64/kernel/setup.c | ||
142 | +++ b/arch/arm64/kernel/setup.c | ||
143 | @@ -523,6 +523,10 @@ static int c_show(struct seq_file *m, void *v) | ||
144 | seq_printf(m, "processor\t: %d\n", i); | ||
145 | #endif | ||
146 | |||
147 | + seq_printf(m, "BogoMIPS\t: %lu.%02lu\n", | ||
148 | + loops_per_jiffy / (500000UL/HZ), | ||
149 | + loops_per_jiffy / (5000UL/HZ) % 100); | ||
150 | + | ||
151 | /* | ||
152 | * Dump out the common processor features in a single line. | ||
153 | * Userspace should read the hwcaps with getauxval(AT_HWCAP) | ||
154 | diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c | ||
155 | index 53f1f8dccf6c..357418137db7 100644 | ||
156 | --- a/arch/arm64/kernel/suspend.c | ||
157 | +++ b/arch/arm64/kernel/suspend.c | ||
158 | @@ -1,3 +1,4 @@ | ||
159 | +#include <linux/ftrace.h> | ||
160 | #include <linux/percpu.h> | ||
161 | #include <linux/slab.h> | ||
162 | #include <asm/cacheflush.h> | ||
163 | @@ -71,6 +72,13 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) | ||
164 | local_dbg_save(flags); | ||
165 | |||
166 | /* | ||
167 | + * Function graph tracer state gets incosistent when the kernel | ||
168 | + * calls functions that never return (aka suspend finishers) hence | ||
169 | + * disable graph tracing during their execution. | ||
170 | + */ | ||
171 | + pause_graph_tracing(); | ||
172 | + | ||
173 | + /* | ||
174 | * mm context saved on the stack, it will be restored when | ||
175 | * the cpu comes out of reset through the identity mapped | ||
176 | * page tables, so that the thread address space is properly | ||
177 | @@ -111,6 +119,8 @@ int cpu_suspend(unsigned long arg, int (*fn)(unsigned long)) | ||
178 | hw_breakpoint_restore(NULL); | ||
179 | } | ||
180 | |||
181 | + unpause_graph_tracing(); | ||
182 | + | ||
183 | /* | ||
184 | * Restore pstate flags. OS lock and mdscr have been already | ||
185 | * restored, so from this point onwards, debugging is fully | ||
186 | diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c | ||
187 | index 85c57158dcd9..648112e90ed5 100644 | ||
188 | --- a/arch/arm64/kvm/inject_fault.c | ||
189 | +++ b/arch/arm64/kvm/inject_fault.c | ||
190 | @@ -48,7 +48,7 @@ static void prepare_fault32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset) | ||
191 | |||
192 | /* Note: These now point to the banked copies */ | ||
193 | *vcpu_spsr(vcpu) = new_spsr_value; | ||
194 | - *vcpu_reg(vcpu, 14) = *vcpu_pc(vcpu) + return_offset; | ||
195 | + *vcpu_reg32(vcpu, 14) = *vcpu_pc(vcpu) + return_offset; | ||
196 | |||
197 | /* Branch to exception vector */ | ||
198 | if (sctlr & (1 << 13)) | ||
199 | diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c | ||
200 | index 5b8b664422d3..cb34eb8bbb9d 100644 | ||
201 | --- a/arch/arm64/mm/mmu.c | ||
202 | +++ b/arch/arm64/mm/mmu.c | ||
203 | @@ -450,6 +450,9 @@ void __init paging_init(void) | ||
204 | |||
205 | empty_zero_page = virt_to_page(zero_page); | ||
206 | |||
207 | + /* Ensure the zero page is visible to the page table walker */ | ||
208 | + dsb(ishst); | ||
209 | + | ||
210 | /* | ||
211 | * TTBR0 is only used for the identity mapping at this stage. Make it | ||
212 | * point to zero page to avoid speculatively fetching new entries. | ||
213 | diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h | ||
214 | index 98a26ce82d26..aee5637ea436 100644 | ||
215 | --- a/arch/arm64/net/bpf_jit.h | ||
216 | +++ b/arch/arm64/net/bpf_jit.h | ||
217 | @@ -1,7 +1,7 @@ | ||
218 | /* | ||
219 | * BPF JIT compiler for ARM64 | ||
220 | * | ||
221 | - * Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.com> | ||
222 | + * Copyright (C) 2014-2015 Zi Shen Lim <zlim.lnx@gmail.com> | ||
223 | * | ||
224 | * This program is free software; you can redistribute it and/or modify | ||
225 | * it under the terms of the GNU General Public License version 2 as | ||
226 | @@ -35,6 +35,7 @@ | ||
227 | aarch64_insn_gen_comp_branch_imm(0, offset, Rt, A64_VARIANT(sf), \ | ||
228 | AARCH64_INSN_BRANCH_COMP_##type) | ||
229 | #define A64_CBZ(sf, Rt, imm19) A64_COMP_BRANCH(sf, Rt, (imm19) << 2, ZERO) | ||
230 | +#define A64_CBNZ(sf, Rt, imm19) A64_COMP_BRANCH(sf, Rt, (imm19) << 2, NONZERO) | ||
231 | |||
232 | /* Conditional branch (immediate) */ | ||
233 | #define A64_COND_BRANCH(cond, offset) \ | ||
234 | diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c | ||
235 | index c047598b09e0..6217f80702d2 100644 | ||
236 | --- a/arch/arm64/net/bpf_jit_comp.c | ||
237 | +++ b/arch/arm64/net/bpf_jit_comp.c | ||
238 | @@ -1,7 +1,7 @@ | ||
239 | /* | ||
240 | * BPF JIT compiler for ARM64 | ||
241 | * | ||
242 | - * Copyright (C) 2014 Zi Shen Lim <zlim.lnx@gmail.com> | ||
243 | + * Copyright (C) 2014-2015 Zi Shen Lim <zlim.lnx@gmail.com> | ||
244 | * | ||
245 | * This program is free software; you can redistribute it and/or modify | ||
246 | * it under the terms of the GNU General Public License version 2 as | ||
247 | @@ -225,6 +225,17 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) | ||
248 | u8 jmp_cond; | ||
249 | s32 jmp_offset; | ||
250 | |||
251 | +#define check_imm(bits, imm) do { \ | ||
252 | + if ((((imm) > 0) && ((imm) >> (bits))) || \ | ||
253 | + (((imm) < 0) && (~(imm) >> (bits)))) { \ | ||
254 | + pr_info("[%2d] imm=%d(0x%x) out of range\n", \ | ||
255 | + i, imm, imm); \ | ||
256 | + return -EINVAL; \ | ||
257 | + } \ | ||
258 | +} while (0) | ||
259 | +#define check_imm19(imm) check_imm(19, imm) | ||
260 | +#define check_imm26(imm) check_imm(26, imm) | ||
261 | + | ||
262 | switch (code) { | ||
263 | /* dst = src */ | ||
264 | case BPF_ALU | BPF_MOV | BPF_X: | ||
265 | @@ -258,15 +269,33 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) | ||
266 | break; | ||
267 | case BPF_ALU | BPF_DIV | BPF_X: | ||
268 | case BPF_ALU64 | BPF_DIV | BPF_X: | ||
269 | - emit(A64_UDIV(is64, dst, dst, src), ctx); | ||
270 | - break; | ||
271 | case BPF_ALU | BPF_MOD | BPF_X: | ||
272 | case BPF_ALU64 | BPF_MOD | BPF_X: | ||
273 | - ctx->tmp_used = 1; | ||
274 | - emit(A64_UDIV(is64, tmp, dst, src), ctx); | ||
275 | - emit(A64_MUL(is64, tmp, tmp, src), ctx); | ||
276 | - emit(A64_SUB(is64, dst, dst, tmp), ctx); | ||
277 | + { | ||
278 | + const u8 r0 = bpf2a64[BPF_REG_0]; | ||
279 | + | ||
280 | + /* if (src == 0) return 0 */ | ||
281 | + jmp_offset = 3; /* skip ahead to else path */ | ||
282 | + check_imm19(jmp_offset); | ||
283 | + emit(A64_CBNZ(is64, src, jmp_offset), ctx); | ||
284 | + emit(A64_MOVZ(1, r0, 0, 0), ctx); | ||
285 | + jmp_offset = epilogue_offset(ctx); | ||
286 | + check_imm26(jmp_offset); | ||
287 | + emit(A64_B(jmp_offset), ctx); | ||
288 | + /* else */ | ||
289 | + switch (BPF_OP(code)) { | ||
290 | + case BPF_DIV: | ||
291 | + emit(A64_UDIV(is64, dst, dst, src), ctx); | ||
292 | + break; | ||
293 | + case BPF_MOD: | ||
294 | + ctx->tmp_used = 1; | ||
295 | + emit(A64_UDIV(is64, tmp, dst, src), ctx); | ||
296 | + emit(A64_MUL(is64, tmp, tmp, src), ctx); | ||
297 | + emit(A64_SUB(is64, dst, dst, tmp), ctx); | ||
298 | + break; | ||
299 | + } | ||
300 | break; | ||
301 | + } | ||
302 | case BPF_ALU | BPF_LSH | BPF_X: | ||
303 | case BPF_ALU64 | BPF_LSH | BPF_X: | ||
304 | emit(A64_LSLV(is64, dst, dst, src), ctx); | ||
305 | @@ -393,17 +422,6 @@ emit_bswap_uxt: | ||
306 | emit(A64_ASR(is64, dst, dst, imm), ctx); | ||
307 | break; | ||
308 | |||
309 | -#define check_imm(bits, imm) do { \ | ||
310 | - if ((((imm) > 0) && ((imm) >> (bits))) || \ | ||
311 | - (((imm) < 0) && (~(imm) >> (bits)))) { \ | ||
312 | - pr_info("[%2d] imm=%d(0x%x) out of range\n", \ | ||
313 | - i, imm, imm); \ | ||
314 | - return -EINVAL; \ | ||
315 | - } \ | ||
316 | -} while (0) | ||
317 | -#define check_imm19(imm) check_imm(19, imm) | ||
318 | -#define check_imm26(imm) check_imm(26, imm) | ||
319 | - | ||
320 | /* JUMP off */ | ||
321 | case BPF_JMP | BPF_JA: | ||
322 | jmp_offset = bpf2a64_offset(i + off, i, ctx); | ||
323 | diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c | ||
324 | index e23fdf2a9c80..d6d27d51d131 100644 | ||
325 | --- a/arch/mips/net/bpf_jit.c | ||
326 | +++ b/arch/mips/net/bpf_jit.c | ||
327 | @@ -556,19 +556,6 @@ static inline u16 align_sp(unsigned int num) | ||
328 | return num; | ||
329 | } | ||
330 | |||
331 | -static bool is_load_to_a(u16 inst) | ||
332 | -{ | ||
333 | - switch (inst) { | ||
334 | - case BPF_LD | BPF_W | BPF_LEN: | ||
335 | - case BPF_LD | BPF_W | BPF_ABS: | ||
336 | - case BPF_LD | BPF_H | BPF_ABS: | ||
337 | - case BPF_LD | BPF_B | BPF_ABS: | ||
338 | - return true; | ||
339 | - default: | ||
340 | - return false; | ||
341 | - } | ||
342 | -} | ||
343 | - | ||
344 | static void save_bpf_jit_regs(struct jit_ctx *ctx, unsigned offset) | ||
345 | { | ||
346 | int i = 0, real_off = 0; | ||
347 | @@ -686,7 +673,6 @@ static unsigned int get_stack_depth(struct jit_ctx *ctx) | ||
348 | |||
349 | static void build_prologue(struct jit_ctx *ctx) | ||
350 | { | ||
351 | - u16 first_inst = ctx->skf->insns[0].code; | ||
352 | int sp_off; | ||
353 | |||
354 | /* Calculate the total offset for the stack pointer */ | ||
355 | @@ -700,7 +686,7 @@ static void build_prologue(struct jit_ctx *ctx) | ||
356 | emit_jit_reg_move(r_X, r_zero, ctx); | ||
357 | |||
358 | /* Do not leak kernel data to userspace */ | ||
359 | - if ((first_inst != (BPF_RET | BPF_K)) && !(is_load_to_a(first_inst))) | ||
360 | + if (bpf_needs_clear_a(&ctx->skf->insns[0])) | ||
361 | emit_jit_reg_move(r_A, r_zero, ctx); | ||
362 | } | ||
363 | |||
364 | diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig | ||
365 | index 4434b54e1d87..78ae5552fdb8 100644 | ||
366 | --- a/arch/mn10300/Kconfig | ||
367 | +++ b/arch/mn10300/Kconfig | ||
368 | @@ -1,6 +1,7 @@ | ||
369 | config MN10300 | ||
370 | def_bool y | ||
371 | select HAVE_OPROFILE | ||
372 | + select HAVE_UID16 | ||
373 | select GENERIC_IRQ_SHOW | ||
374 | select ARCH_WANT_IPC_PARSE_VERSION | ||
375 | select HAVE_ARCH_TRACEHOOK | ||
376 | @@ -37,9 +38,6 @@ config HIGHMEM | ||
377 | config NUMA | ||
378 | def_bool n | ||
379 | |||
380 | -config UID16 | ||
381 | - def_bool y | ||
382 | - | ||
383 | config RWSEM_GENERIC_SPINLOCK | ||
384 | def_bool y | ||
385 | |||
386 | diff --git a/arch/powerpc/include/asm/cmpxchg.h b/arch/powerpc/include/asm/cmpxchg.h | ||
387 | index d463c68fe7f0..99897f6645c1 100644 | ||
388 | --- a/arch/powerpc/include/asm/cmpxchg.h | ||
389 | +++ b/arch/powerpc/include/asm/cmpxchg.h | ||
390 | @@ -18,12 +18,12 @@ __xchg_u32(volatile void *p, unsigned long val) | ||
391 | unsigned long prev; | ||
392 | |||
393 | __asm__ __volatile__( | ||
394 | - PPC_RELEASE_BARRIER | ||
395 | + PPC_ATOMIC_ENTRY_BARRIER | ||
396 | "1: lwarx %0,0,%2 \n" | ||
397 | PPC405_ERR77(0,%2) | ||
398 | " stwcx. %3,0,%2 \n\ | ||
399 | bne- 1b" | ||
400 | - PPC_ACQUIRE_BARRIER | ||
401 | + PPC_ATOMIC_EXIT_BARRIER | ||
402 | : "=&r" (prev), "+m" (*(volatile unsigned int *)p) | ||
403 | : "r" (p), "r" (val) | ||
404 | : "cc", "memory"); | ||
405 | @@ -61,12 +61,12 @@ __xchg_u64(volatile void *p, unsigned long val) | ||
406 | unsigned long prev; | ||
407 | |||
408 | __asm__ __volatile__( | ||
409 | - PPC_RELEASE_BARRIER | ||
410 | + PPC_ATOMIC_ENTRY_BARRIER | ||
411 | "1: ldarx %0,0,%2 \n" | ||
412 | PPC405_ERR77(0,%2) | ||
413 | " stdcx. %3,0,%2 \n\ | ||
414 | bne- 1b" | ||
415 | - PPC_ACQUIRE_BARRIER | ||
416 | + PPC_ATOMIC_EXIT_BARRIER | ||
417 | : "=&r" (prev), "+m" (*(volatile unsigned long *)p) | ||
418 | : "r" (p), "r" (val) | ||
419 | : "cc", "memory"); | ||
420 | @@ -152,14 +152,14 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) | ||
421 | unsigned int prev; | ||
422 | |||
423 | __asm__ __volatile__ ( | ||
424 | - PPC_RELEASE_BARRIER | ||
425 | + PPC_ATOMIC_ENTRY_BARRIER | ||
426 | "1: lwarx %0,0,%2 # __cmpxchg_u32\n\ | ||
427 | cmpw 0,%0,%3\n\ | ||
428 | bne- 2f\n" | ||
429 | PPC405_ERR77(0,%2) | ||
430 | " stwcx. %4,0,%2\n\ | ||
431 | bne- 1b" | ||
432 | - PPC_ACQUIRE_BARRIER | ||
433 | + PPC_ATOMIC_EXIT_BARRIER | ||
434 | "\n\ | ||
435 | 2:" | ||
436 | : "=&r" (prev), "+m" (*p) | ||
437 | @@ -198,13 +198,13 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) | ||
438 | unsigned long prev; | ||
439 | |||
440 | __asm__ __volatile__ ( | ||
441 | - PPC_RELEASE_BARRIER | ||
442 | + PPC_ATOMIC_ENTRY_BARRIER | ||
443 | "1: ldarx %0,0,%2 # __cmpxchg_u64\n\ | ||
444 | cmpd 0,%0,%3\n\ | ||
445 | bne- 2f\n\ | ||
446 | stdcx. %4,0,%2\n\ | ||
447 | bne- 1b" | ||
448 | - PPC_ACQUIRE_BARRIER | ||
449 | + PPC_ATOMIC_EXIT_BARRIER | ||
450 | "\n\ | ||
451 | 2:" | ||
452 | : "=&r" (prev), "+m" (*p) | ||
453 | diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h | ||
454 | index af56b5c6c81a..f4f99f01b746 100644 | ||
455 | --- a/arch/powerpc/include/asm/reg.h | ||
456 | +++ b/arch/powerpc/include/asm/reg.h | ||
457 | @@ -108,6 +108,7 @@ | ||
458 | #define MSR_TS_T __MASK(MSR_TS_T_LG) /* Transaction Transactional */ | ||
459 | #define MSR_TS_MASK (MSR_TS_T | MSR_TS_S) /* Transaction State bits */ | ||
460 | #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */ | ||
461 | +#define MSR_TM_RESV(x) (((x) & MSR_TS_MASK) == MSR_TS_MASK) /* Reserved */ | ||
462 | #define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T) | ||
463 | #define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S) | ||
464 | |||
465 | diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h | ||
466 | index e682a7143edb..c50868681f9e 100644 | ||
467 | --- a/arch/powerpc/include/asm/synch.h | ||
468 | +++ b/arch/powerpc/include/asm/synch.h | ||
469 | @@ -44,7 +44,7 @@ static inline void isync(void) | ||
470 | MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup); | ||
471 | #define PPC_ACQUIRE_BARRIER "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER) | ||
472 | #define PPC_RELEASE_BARRIER stringify_in_c(LWSYNC) "\n" | ||
473 | -#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n" | ||
474 | +#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(sync) "\n" | ||
475 | #define PPC_ATOMIC_EXIT_BARRIER "\n" stringify_in_c(sync) "\n" | ||
476 | #else | ||
477 | #define PPC_ACQUIRE_BARRIER | ||
478 | diff --git a/arch/powerpc/include/uapi/asm/elf.h b/arch/powerpc/include/uapi/asm/elf.h | ||
479 | index 59dad113897b..c2d21d11c2d2 100644 | ||
480 | --- a/arch/powerpc/include/uapi/asm/elf.h | ||
481 | +++ b/arch/powerpc/include/uapi/asm/elf.h | ||
482 | @@ -295,6 +295,8 @@ do { \ | ||
483 | #define R_PPC64_TLSLD 108 | ||
484 | #define R_PPC64_TOCSAVE 109 | ||
485 | |||
486 | +#define R_PPC64_ENTRY 118 | ||
487 | + | ||
488 | #define R_PPC64_REL16 249 | ||
489 | #define R_PPC64_REL16_LO 250 | ||
490 | #define R_PPC64_REL16_HI 251 | ||
491 | diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c | ||
492 | index 68384514506b..59663af9315f 100644 | ||
493 | --- a/arch/powerpc/kernel/module_64.c | ||
494 | +++ b/arch/powerpc/kernel/module_64.c | ||
495 | @@ -635,6 +635,33 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, | ||
496 | */ | ||
497 | break; | ||
498 | |||
499 | + case R_PPC64_ENTRY: | ||
500 | + /* | ||
501 | + * Optimize ELFv2 large code model entry point if | ||
502 | + * the TOC is within 2GB range of current location. | ||
503 | + */ | ||
504 | + value = my_r2(sechdrs, me) - (unsigned long)location; | ||
505 | + if (value + 0x80008000 > 0xffffffff) | ||
506 | + break; | ||
507 | + /* | ||
508 | + * Check for the large code model prolog sequence: | ||
509 | + * ld r2, ...(r12) | ||
510 | + * add r2, r2, r12 | ||
511 | + */ | ||
512 | + if ((((uint32_t *)location)[0] & ~0xfffc) | ||
513 | + != 0xe84c0000) | ||
514 | + break; | ||
515 | + if (((uint32_t *)location)[1] != 0x7c426214) | ||
516 | + break; | ||
517 | + /* | ||
518 | + * If found, replace it with: | ||
519 | + * addis r2, r12, (.TOC.-func)@ha | ||
520 | + * addi r2, r12, (.TOC.-func)@l | ||
521 | + */ | ||
522 | + ((uint32_t *)location)[0] = 0x3c4c0000 + PPC_HA(value); | ||
523 | + ((uint32_t *)location)[1] = 0x38420000 + PPC_LO(value); | ||
524 | + break; | ||
525 | + | ||
526 | case R_PPC64_REL16_HA: | ||
527 | /* Subtract location pointer */ | ||
528 | value -= (unsigned long)location; | ||
529 | diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c | ||
530 | index 0596373cd1c3..c8c8275765e7 100644 | ||
531 | --- a/arch/powerpc/kernel/process.c | ||
532 | +++ b/arch/powerpc/kernel/process.c | ||
533 | @@ -551,6 +551,24 @@ static void tm_reclaim_thread(struct thread_struct *thr, | ||
534 | msr_diff &= MSR_FP | MSR_VEC | MSR_VSX | MSR_FE0 | MSR_FE1; | ||
535 | } | ||
536 | |||
537 | + /* | ||
538 | + * Use the current MSR TM suspended bit to track if we have | ||
539 | + * checkpointed state outstanding. | ||
540 | + * On signal delivery, we'd normally reclaim the checkpointed | ||
541 | + * state to obtain stack pointer (see:get_tm_stackpointer()). | ||
542 | + * This will then directly return to userspace without going | ||
543 | + * through __switch_to(). However, if the stack frame is bad, | ||
544 | + * we need to exit this thread which calls __switch_to() which | ||
545 | + * will again attempt to reclaim the already saved tm state. | ||
546 | + * Hence we need to check that we've not already reclaimed | ||
547 | + * this state. | ||
548 | + * We do this using the current MSR, rather tracking it in | ||
549 | + * some specific thread_struct bit, as it has the additional | ||
550 | + * benifit of checking for a potential TM bad thing exception. | ||
551 | + */ | ||
552 | + if (!MSR_TM_SUSPENDED(mfmsr())) | ||
553 | + return; | ||
554 | + | ||
555 | tm_reclaim(thr, thr->regs->msr, cause); | ||
556 | |||
557 | /* Having done the reclaim, we now have the checkpointed | ||
558 | diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c | ||
559 | index da50e0c9c57e..7356c33dc897 100644 | ||
560 | --- a/arch/powerpc/kernel/signal_32.c | ||
561 | +++ b/arch/powerpc/kernel/signal_32.c | ||
562 | @@ -875,6 +875,15 @@ static long restore_tm_user_regs(struct pt_regs *regs, | ||
563 | return 1; | ||
564 | #endif /* CONFIG_SPE */ | ||
565 | |||
566 | + /* Get the top half of the MSR from the user context */ | ||
567 | + if (__get_user(msr_hi, &tm_sr->mc_gregs[PT_MSR])) | ||
568 | + return 1; | ||
569 | + msr_hi <<= 32; | ||
570 | + /* If TM bits are set to the reserved value, it's an invalid context */ | ||
571 | + if (MSR_TM_RESV(msr_hi)) | ||
572 | + return 1; | ||
573 | + /* Pull in the MSR TM bits from the user context */ | ||
574 | + regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr_hi & MSR_TS_MASK); | ||
575 | /* Now, recheckpoint. This loads up all of the checkpointed (older) | ||
576 | * registers, including FP and V[S]Rs. After recheckpointing, the | ||
577 | * transactional versions should be loaded. | ||
578 | @@ -884,11 +893,6 @@ static long restore_tm_user_regs(struct pt_regs *regs, | ||
579 | current->thread.tm_texasr |= TEXASR_FS; | ||
580 | /* This loads the checkpointed FP/VEC state, if used */ | ||
581 | tm_recheckpoint(¤t->thread, msr); | ||
582 | - /* Get the top half of the MSR */ | ||
583 | - if (__get_user(msr_hi, &tm_sr->mc_gregs[PT_MSR])) | ||
584 | - return 1; | ||
585 | - /* Pull in MSR TM from user context */ | ||
586 | - regs->msr = (regs->msr & ~MSR_TS_MASK) | ((msr_hi<<32) & MSR_TS_MASK); | ||
587 | |||
588 | /* This loads the speculative FP/VEC state, if used */ | ||
589 | if (msr & MSR_FP) { | ||
590 | diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c | ||
591 | index c7c24d2e2bdb..164fd6474843 100644 | ||
592 | --- a/arch/powerpc/kernel/signal_64.c | ||
593 | +++ b/arch/powerpc/kernel/signal_64.c | ||
594 | @@ -427,6 +427,10 @@ static long restore_tm_sigcontexts(struct pt_regs *regs, | ||
595 | |||
596 | /* get MSR separately, transfer the LE bit if doing signal return */ | ||
597 | err |= __get_user(msr, &sc->gp_regs[PT_MSR]); | ||
598 | + /* Don't allow reserved mode. */ | ||
599 | + if (MSR_TM_RESV(msr)) | ||
600 | + return -EINVAL; | ||
601 | + | ||
602 | /* pull in MSR TM from user context */ | ||
603 | regs->msr = (regs->msr & ~MSR_TS_MASK) | (msr & MSR_TS_MASK); | ||
604 | |||
605 | diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c | ||
606 | index f1e0e5522e3a..f5b3de7f7fa2 100644 | ||
607 | --- a/arch/powerpc/kvm/book3s_hv.c | ||
608 | +++ b/arch/powerpc/kvm/book3s_hv.c | ||
609 | @@ -210,6 +210,12 @@ static void kvmppc_core_vcpu_put_hv(struct kvm_vcpu *vcpu) | ||
610 | |||
611 | static void kvmppc_set_msr_hv(struct kvm_vcpu *vcpu, u64 msr) | ||
612 | { | ||
613 | + /* | ||
614 | + * Check for illegal transactional state bit combination | ||
615 | + * and if we find it, force the TS field to a safe state. | ||
616 | + */ | ||
617 | + if ((msr & MSR_TS_MASK) == MSR_TS_MASK) | ||
618 | + msr &= ~MSR_TS_MASK; | ||
619 | vcpu->arch.shregs.msr = msr; | ||
620 | kvmppc_end_cede(vcpu); | ||
621 | } | ||
622 | diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c | ||
623 | index 17cea18a09d3..264c473c1b3c 100644 | ||
624 | --- a/arch/powerpc/net/bpf_jit_comp.c | ||
625 | +++ b/arch/powerpc/net/bpf_jit_comp.c | ||
626 | @@ -78,18 +78,9 @@ static void bpf_jit_build_prologue(struct bpf_prog *fp, u32 *image, | ||
627 | PPC_LI(r_X, 0); | ||
628 | } | ||
629 | |||
630 | - switch (filter[0].code) { | ||
631 | - case BPF_RET | BPF_K: | ||
632 | - case BPF_LD | BPF_W | BPF_LEN: | ||
633 | - case BPF_LD | BPF_W | BPF_ABS: | ||
634 | - case BPF_LD | BPF_H | BPF_ABS: | ||
635 | - case BPF_LD | BPF_B | BPF_ABS: | ||
636 | - /* first instruction sets A register (or is RET 'constant') */ | ||
637 | - break; | ||
638 | - default: | ||
639 | - /* make sure we dont leak kernel information to user */ | ||
640 | + /* make sure we dont leak kernel information to user */ | ||
641 | + if (bpf_needs_clear_a(&filter[0])) | ||
642 | PPC_LI(r_A, 0); | ||
643 | - } | ||
644 | } | ||
645 | |||
646 | static void bpf_jit_build_epilogue(u32 *image, struct codegen_context *ctx) | ||
647 | diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c | ||
648 | index 2241565b0739..b831a2ee32e9 100644 | ||
649 | --- a/arch/powerpc/platforms/powernv/opal.c | ||
650 | +++ b/arch/powerpc/platforms/powernv/opal.c | ||
651 | @@ -358,7 +358,7 @@ static void opal_handle_message(void) | ||
652 | |||
653 | /* Sanity check */ | ||
654 | if (type >= OPAL_MSG_TYPE_MAX) { | ||
655 | - pr_warning("%s: Unknown message type: %u\n", __func__, type); | ||
656 | + pr_warn_once("%s: Unknown message type: %u\n", __func__, type); | ||
657 | return; | ||
658 | } | ||
659 | opal_message_do_notify(type, (void *)&msg); | ||
660 | diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c | ||
661 | index 7931eeeb649a..8109e92cd619 100644 | ||
662 | --- a/arch/sparc/net/bpf_jit_comp.c | ||
663 | +++ b/arch/sparc/net/bpf_jit_comp.c | ||
664 | @@ -420,22 +420,9 @@ void bpf_jit_compile(struct bpf_prog *fp) | ||
665 | } | ||
666 | emit_reg_move(O7, r_saved_O7); | ||
667 | |||
668 | - switch (filter[0].code) { | ||
669 | - case BPF_RET | BPF_K: | ||
670 | - case BPF_LD | BPF_W | BPF_LEN: | ||
671 | - case BPF_LD | BPF_W | BPF_ABS: | ||
672 | - case BPF_LD | BPF_H | BPF_ABS: | ||
673 | - case BPF_LD | BPF_B | BPF_ABS: | ||
674 | - /* The first instruction sets the A register (or is | ||
675 | - * a "RET 'constant'") | ||
676 | - */ | ||
677 | - break; | ||
678 | - default: | ||
679 | - /* Make sure we dont leak kernel information to the | ||
680 | - * user. | ||
681 | - */ | ||
682 | + /* Make sure we dont leak kernel information to the user. */ | ||
683 | + if (bpf_needs_clear_a(&filter[0])) | ||
684 | emit_clear(r_A); /* A = 0 */ | ||
685 | - } | ||
686 | |||
687 | for (i = 0; i < flen; i++) { | ||
688 | unsigned int K = filter[i].k; | ||
689 | diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h | ||
690 | index 4fa687a47a62..6b8d6e8cd449 100644 | ||
691 | --- a/arch/x86/include/asm/boot.h | ||
692 | +++ b/arch/x86/include/asm/boot.h | ||
693 | @@ -27,7 +27,7 @@ | ||
694 | #define BOOT_HEAP_SIZE 0x400000 | ||
695 | #else /* !CONFIG_KERNEL_BZIP2 */ | ||
696 | |||
697 | -#define BOOT_HEAP_SIZE 0x8000 | ||
698 | +#define BOOT_HEAP_SIZE 0x10000 | ||
699 | |||
700 | #endif /* !CONFIG_KERNEL_BZIP2 */ | ||
701 | |||
702 | diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h | ||
703 | index 80d67dd80351..73e38f14ddeb 100644 | ||
704 | --- a/arch/x86/include/asm/mmu_context.h | ||
705 | +++ b/arch/x86/include/asm/mmu_context.h | ||
706 | @@ -104,8 +104,36 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, | ||
707 | #endif | ||
708 | cpumask_set_cpu(cpu, mm_cpumask(next)); | ||
709 | |||
710 | - /* Re-load page tables */ | ||
711 | + /* | ||
712 | + * Re-load page tables. | ||
713 | + * | ||
714 | + * This logic has an ordering constraint: | ||
715 | + * | ||
716 | + * CPU 0: Write to a PTE for 'next' | ||
717 | + * CPU 0: load bit 1 in mm_cpumask. if nonzero, send IPI. | ||
718 | + * CPU 1: set bit 1 in next's mm_cpumask | ||
719 | + * CPU 1: load from the PTE that CPU 0 writes (implicit) | ||
720 | + * | ||
721 | + * We need to prevent an outcome in which CPU 1 observes | ||
722 | + * the new PTE value and CPU 0 observes bit 1 clear in | ||
723 | + * mm_cpumask. (If that occurs, then the IPI will never | ||
724 | + * be sent, and CPU 0's TLB will contain a stale entry.) | ||
725 | + * | ||
726 | + * The bad outcome can occur if either CPU's load is | ||
727 | + * reordered before that CPU's store, so both CPUs must | ||
728 | + * execute full barriers to prevent this from happening. | ||
729 | + * | ||
730 | + * Thus, switch_mm needs a full barrier between the | ||
731 | + * store to mm_cpumask and any operation that could load | ||
732 | + * from next->pgd. TLB fills are special and can happen | ||
733 | + * due to instruction fetches or for no reason at all, | ||
734 | + * and neither LOCK nor MFENCE orders them. | ||
735 | + * Fortunately, load_cr3() is serializing and gives the | ||
736 | + * ordering guarantee we need. | ||
737 | + * | ||
738 | + */ | ||
739 | load_cr3(next->pgd); | ||
740 | + | ||
741 | trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); | ||
742 | |||
743 | /* Stop flush ipis for the previous mm */ | ||
744 | @@ -142,10 +170,14 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, | ||
745 | * schedule, protecting us from simultaneous changes. | ||
746 | */ | ||
747 | cpumask_set_cpu(cpu, mm_cpumask(next)); | ||
748 | + | ||
749 | /* | ||
750 | * We were in lazy tlb mode and leave_mm disabled | ||
751 | * tlb flush IPI delivery. We must reload CR3 | ||
752 | * to make sure to use no freed page tables. | ||
753 | + * | ||
754 | + * As above, load_cr3() is serializing and orders TLB | ||
755 | + * fills with respect to the mm_cpumask write. | ||
756 | */ | ||
757 | load_cr3(next->pgd); | ||
758 | trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); | ||
759 | diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c | ||
760 | index 86db4bcd7ce5..0549ae3cb332 100644 | ||
761 | --- a/arch/x86/kernel/reboot.c | ||
762 | +++ b/arch/x86/kernel/reboot.c | ||
763 | @@ -182,6 +182,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { | ||
764 | DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"), | ||
765 | }, | ||
766 | }, | ||
767 | + { /* Handle problems with rebooting on the iMac10,1. */ | ||
768 | + .callback = set_pci_reboot, | ||
769 | + .ident = "Apple iMac10,1", | ||
770 | + .matches = { | ||
771 | + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), | ||
772 | + DMI_MATCH(DMI_PRODUCT_NAME, "iMac10,1"), | ||
773 | + }, | ||
774 | + }, | ||
775 | |||
776 | /* ASRock */ | ||
777 | { /* Handle problems with rebooting on ASRock Q1900DC-ITX */ | ||
778 | diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c | ||
779 | index e0fd5f47fbb9..5d2e2e9af1c4 100644 | ||
780 | --- a/arch/x86/kernel/signal.c | ||
781 | +++ b/arch/x86/kernel/signal.c | ||
782 | @@ -667,12 +667,15 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs) | ||
783 | signal_setup_done(failed, ksig, stepping); | ||
784 | } | ||
785 | |||
786 | -#ifdef CONFIG_X86_32 | ||
787 | -#define NR_restart_syscall __NR_restart_syscall | ||
788 | -#else /* !CONFIG_X86_32 */ | ||
789 | -#define NR_restart_syscall \ | ||
790 | - test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : __NR_restart_syscall | ||
791 | -#endif /* CONFIG_X86_32 */ | ||
792 | +static inline unsigned long get_nr_restart_syscall(const struct pt_regs *regs) | ||
793 | +{ | ||
794 | +#if defined(CONFIG_X86_32) || !defined(CONFIG_X86_64) | ||
795 | + return __NR_restart_syscall; | ||
796 | +#else /* !CONFIG_X86_32 && CONFIG_X86_64 */ | ||
797 | + return test_thread_flag(TIF_IA32) ? __NR_ia32_restart_syscall : | ||
798 | + __NR_restart_syscall | (regs->orig_ax & __X32_SYSCALL_BIT); | ||
799 | +#endif /* CONFIG_X86_32 || !CONFIG_X86_64 */ | ||
800 | +} | ||
801 | |||
802 | /* | ||
803 | * Note that 'init' is a special process: it doesn't get signals it doesn't | ||
804 | @@ -701,7 +704,7 @@ static void do_signal(struct pt_regs *regs) | ||
805 | break; | ||
806 | |||
807 | case -ERESTART_RESTARTBLOCK: | ||
808 | - regs->ax = NR_restart_syscall; | ||
809 | + regs->ax = get_nr_restart_syscall(regs); | ||
810 | regs->ip -= 2; | ||
811 | break; | ||
812 | } | ||
813 | diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c | ||
814 | index 454ccb082e18..0d039cd268a8 100644 | ||
815 | --- a/arch/x86/kvm/svm.c | ||
816 | +++ b/arch/x86/kvm/svm.c | ||
817 | @@ -1106,6 +1106,7 @@ static void init_vmcb(struct vcpu_svm *svm) | ||
818 | set_exception_intercept(svm, UD_VECTOR); | ||
819 | set_exception_intercept(svm, MC_VECTOR); | ||
820 | set_exception_intercept(svm, AC_VECTOR); | ||
821 | + set_exception_intercept(svm, DB_VECTOR); | ||
822 | |||
823 | set_intercept(svm, INTERCEPT_INTR); | ||
824 | set_intercept(svm, INTERCEPT_NMI); | ||
825 | @@ -1638,20 +1639,13 @@ static void svm_set_segment(struct kvm_vcpu *vcpu, | ||
826 | mark_dirty(svm->vmcb, VMCB_SEG); | ||
827 | } | ||
828 | |||
829 | -static void update_db_bp_intercept(struct kvm_vcpu *vcpu) | ||
830 | +static void update_bp_intercept(struct kvm_vcpu *vcpu) | ||
831 | { | ||
832 | struct vcpu_svm *svm = to_svm(vcpu); | ||
833 | |||
834 | - clr_exception_intercept(svm, DB_VECTOR); | ||
835 | clr_exception_intercept(svm, BP_VECTOR); | ||
836 | |||
837 | - if (svm->nmi_singlestep) | ||
838 | - set_exception_intercept(svm, DB_VECTOR); | ||
839 | - | ||
840 | if (vcpu->guest_debug & KVM_GUESTDBG_ENABLE) { | ||
841 | - if (vcpu->guest_debug & | ||
842 | - (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) | ||
843 | - set_exception_intercept(svm, DB_VECTOR); | ||
844 | if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP) | ||
845 | set_exception_intercept(svm, BP_VECTOR); | ||
846 | } else | ||
847 | @@ -1757,7 +1751,6 @@ static int db_interception(struct vcpu_svm *svm) | ||
848 | if (!(svm->vcpu.guest_debug & KVM_GUESTDBG_SINGLESTEP)) | ||
849 | svm->vmcb->save.rflags &= | ||
850 | ~(X86_EFLAGS_TF | X86_EFLAGS_RF); | ||
851 | - update_db_bp_intercept(&svm->vcpu); | ||
852 | } | ||
853 | |||
854 | if (svm->vcpu.guest_debug & | ||
855 | @@ -3751,7 +3744,6 @@ static void enable_nmi_window(struct kvm_vcpu *vcpu) | ||
856 | */ | ||
857 | svm->nmi_singlestep = true; | ||
858 | svm->vmcb->save.rflags |= (X86_EFLAGS_TF | X86_EFLAGS_RF); | ||
859 | - update_db_bp_intercept(vcpu); | ||
860 | } | ||
861 | |||
862 | static int svm_set_tss_addr(struct kvm *kvm, unsigned int addr) | ||
863 | @@ -4367,7 +4359,7 @@ static struct kvm_x86_ops svm_x86_ops = { | ||
864 | .vcpu_load = svm_vcpu_load, | ||
865 | .vcpu_put = svm_vcpu_put, | ||
866 | |||
867 | - .update_db_bp_intercept = update_db_bp_intercept, | ||
868 | + .update_db_bp_intercept = update_bp_intercept, | ||
869 | .get_msr = svm_get_msr, | ||
870 | .set_msr = svm_set_msr, | ||
871 | .get_segment_base = svm_get_segment_base, | ||
872 | diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h | ||
873 | index 7c7bc8bef21f..21dda139eb3a 100644 | ||
874 | --- a/arch/x86/kvm/trace.h | ||
875 | +++ b/arch/x86/kvm/trace.h | ||
876 | @@ -250,7 +250,7 @@ TRACE_EVENT(kvm_inj_virq, | ||
877 | #define kvm_trace_sym_exc \ | ||
878 | EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM), \ | ||
879 | EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF), \ | ||
880 | - EXS(MF), EXS(MC) | ||
881 | + EXS(MF), EXS(AC), EXS(MC) | ||
882 | |||
883 | /* | ||
884 | * Tracepoint for kvm interrupt injection: | ||
885 | diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c | ||
886 | index a243854c35d5..945f9e13f1aa 100644 | ||
887 | --- a/arch/x86/kvm/vmx.c | ||
888 | +++ b/arch/x86/kvm/vmx.c | ||
889 | @@ -3652,20 +3652,21 @@ static int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) | ||
890 | if (!is_paging(vcpu)) { | ||
891 | hw_cr4 &= ~X86_CR4_PAE; | ||
892 | hw_cr4 |= X86_CR4_PSE; | ||
893 | - /* | ||
894 | - * SMEP/SMAP is disabled if CPU is in non-paging mode | ||
895 | - * in hardware. However KVM always uses paging mode to | ||
896 | - * emulate guest non-paging mode with TDP. | ||
897 | - * To emulate this behavior, SMEP/SMAP needs to be | ||
898 | - * manually disabled when guest switches to non-paging | ||
899 | - * mode. | ||
900 | - */ | ||
901 | - hw_cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP); | ||
902 | } else if (!(cr4 & X86_CR4_PAE)) { | ||
903 | hw_cr4 &= ~X86_CR4_PAE; | ||
904 | } | ||
905 | } | ||
906 | |||
907 | + if (!enable_unrestricted_guest && !is_paging(vcpu)) | ||
908 | + /* | ||
909 | + * SMEP/SMAP is disabled if CPU is in non-paging mode in | ||
910 | + * hardware. However KVM always uses paging mode without | ||
911 | + * unrestricted guest. | ||
912 | + * To emulate this behavior, SMEP/SMAP needs to be manually | ||
913 | + * disabled when guest switches to non-paging mode. | ||
914 | + */ | ||
915 | + hw_cr4 &= ~(X86_CR4_SMEP | X86_CR4_SMAP); | ||
916 | + | ||
917 | vmcs_writel(CR4_READ_SHADOW, cr4); | ||
918 | vmcs_writel(GUEST_CR4, hw_cr4); | ||
919 | return 0; | ||
920 | diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c | ||
921 | index 47a32f743a91..fed4c84eac44 100644 | ||
922 | --- a/arch/x86/kvm/x86.c | ||
923 | +++ b/arch/x86/kvm/x86.c | ||
924 | @@ -940,7 +940,7 @@ static u32 msrs_to_save[] = { | ||
925 | MSR_CSTAR, MSR_KERNEL_GS_BASE, MSR_SYSCALL_MASK, MSR_LSTAR, | ||
926 | #endif | ||
927 | MSR_IA32_TSC, MSR_IA32_CR_PAT, MSR_VM_HSAVE_PA, | ||
928 | - MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS | ||
929 | + MSR_IA32_FEATURE_CONTROL, MSR_IA32_BNDCFGS, MSR_TSC_AUX, | ||
930 | }; | ||
931 | |||
932 | static unsigned num_msrs_to_save; | ||
933 | @@ -4117,16 +4117,17 @@ static void kvm_init_msr_list(void) | ||
934 | |||
935 | /* | ||
936 | * Even MSRs that are valid in the host may not be exposed | ||
937 | - * to the guests in some cases. We could work around this | ||
938 | - * in VMX with the generic MSR save/load machinery, but it | ||
939 | - * is not really worthwhile since it will really only | ||
940 | - * happen with nested virtualization. | ||
941 | + * to the guests in some cases. | ||
942 | */ | ||
943 | switch (msrs_to_save[i]) { | ||
944 | case MSR_IA32_BNDCFGS: | ||
945 | if (!kvm_x86_ops->mpx_supported()) | ||
946 | continue; | ||
947 | break; | ||
948 | + case MSR_TSC_AUX: | ||
949 | + if (!kvm_x86_ops->rdtscp_supported()) | ||
950 | + continue; | ||
951 | + break; | ||
952 | default: | ||
953 | break; | ||
954 | } | ||
955 | diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c | ||
956 | index 4d1c11c07fe1..f738c61bc891 100644 | ||
957 | --- a/arch/x86/mm/mpx.c | ||
958 | +++ b/arch/x86/mm/mpx.c | ||
959 | @@ -120,19 +120,19 @@ static int get_reg_offset(struct insn *insn, struct pt_regs *regs, | ||
960 | switch (type) { | ||
961 | case REG_TYPE_RM: | ||
962 | regno = X86_MODRM_RM(insn->modrm.value); | ||
963 | - if (X86_REX_B(insn->rex_prefix.value) == 1) | ||
964 | + if (X86_REX_B(insn->rex_prefix.value)) | ||
965 | regno += 8; | ||
966 | break; | ||
967 | |||
968 | case REG_TYPE_INDEX: | ||
969 | regno = X86_SIB_INDEX(insn->sib.value); | ||
970 | - if (X86_REX_X(insn->rex_prefix.value) == 1) | ||
971 | + if (X86_REX_X(insn->rex_prefix.value)) | ||
972 | regno += 8; | ||
973 | break; | ||
974 | |||
975 | case REG_TYPE_BASE: | ||
976 | regno = X86_SIB_BASE(insn->sib.value); | ||
977 | - if (X86_REX_B(insn->rex_prefix.value) == 1) | ||
978 | + if (X86_REX_B(insn->rex_prefix.value)) | ||
979 | regno += 8; | ||
980 | break; | ||
981 | |||
982 | diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c | ||
983 | index 90b924acd982..061e0114005e 100644 | ||
984 | --- a/arch/x86/mm/tlb.c | ||
985 | +++ b/arch/x86/mm/tlb.c | ||
986 | @@ -160,7 +160,10 @@ void flush_tlb_current_task(void) | ||
987 | preempt_disable(); | ||
988 | |||
989 | count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL); | ||
990 | + | ||
991 | + /* This is an implicit full barrier that synchronizes with switch_mm. */ | ||
992 | local_flush_tlb(); | ||
993 | + | ||
994 | trace_tlb_flush(TLB_LOCAL_SHOOTDOWN, TLB_FLUSH_ALL); | ||
995 | if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids) | ||
996 | flush_tlb_others(mm_cpumask(mm), mm, 0UL, TLB_FLUSH_ALL); | ||
997 | @@ -187,17 +190,29 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, | ||
998 | unsigned long base_pages_to_flush = TLB_FLUSH_ALL; | ||
999 | |||
1000 | preempt_disable(); | ||
1001 | - if (current->active_mm != mm) | ||
1002 | + if (current->active_mm != mm) { | ||
1003 | + /* Synchronize with switch_mm. */ | ||
1004 | + smp_mb(); | ||
1005 | + | ||
1006 | goto out; | ||
1007 | + } | ||
1008 | |||
1009 | if (!current->mm) { | ||
1010 | leave_mm(smp_processor_id()); | ||
1011 | + | ||
1012 | + /* Synchronize with switch_mm. */ | ||
1013 | + smp_mb(); | ||
1014 | + | ||
1015 | goto out; | ||
1016 | } | ||
1017 | |||
1018 | if ((end != TLB_FLUSH_ALL) && !(vmflag & VM_HUGETLB)) | ||
1019 | base_pages_to_flush = (end - start) >> PAGE_SHIFT; | ||
1020 | |||
1021 | + /* | ||
1022 | + * Both branches below are implicit full barriers (MOV to CR or | ||
1023 | + * INVLPG) that synchronize with switch_mm. | ||
1024 | + */ | ||
1025 | if (base_pages_to_flush > tlb_single_page_flush_ceiling) { | ||
1026 | base_pages_to_flush = TLB_FLUSH_ALL; | ||
1027 | count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL); | ||
1028 | @@ -227,10 +242,18 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long start) | ||
1029 | preempt_disable(); | ||
1030 | |||
1031 | if (current->active_mm == mm) { | ||
1032 | - if (current->mm) | ||
1033 | + if (current->mm) { | ||
1034 | + /* | ||
1035 | + * Implicit full barrier (INVLPG) that synchronizes | ||
1036 | + * with switch_mm. | ||
1037 | + */ | ||
1038 | __flush_tlb_one(start); | ||
1039 | - else | ||
1040 | + } else { | ||
1041 | leave_mm(smp_processor_id()); | ||
1042 | + | ||
1043 | + /* Synchronize with switch_mm. */ | ||
1044 | + smp_mb(); | ||
1045 | + } | ||
1046 | } | ||
1047 | |||
1048 | if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids) | ||
1049 | diff --git a/arch/x86/xen/suspend.c b/arch/x86/xen/suspend.c | ||
1050 | index 53b4c0811f4f..6d3415144dab 100644 | ||
1051 | --- a/arch/x86/xen/suspend.c | ||
1052 | +++ b/arch/x86/xen/suspend.c | ||
1053 | @@ -32,7 +32,8 @@ static void xen_hvm_post_suspend(int suspend_cancelled) | ||
1054 | { | ||
1055 | #ifdef CONFIG_XEN_PVHVM | ||
1056 | int cpu; | ||
1057 | - xen_hvm_init_shared_info(); | ||
1058 | + if (!suspend_cancelled) | ||
1059 | + xen_hvm_init_shared_info(); | ||
1060 | xen_callback_vector(); | ||
1061 | xen_unplug_emulated_devices(); | ||
1062 | if (xen_feature(XENFEAT_hvm_safe_pvclock)) { | ||
1063 | diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c | ||
1064 | index 8a45e92ff60c..05222706dc66 100644 | ||
1065 | --- a/drivers/char/ipmi/ipmi_si_intf.c | ||
1066 | +++ b/drivers/char/ipmi/ipmi_si_intf.c | ||
1067 | @@ -404,18 +404,42 @@ static enum si_sm_result start_next_msg(struct smi_info *smi_info) | ||
1068 | return rv; | ||
1069 | } | ||
1070 | |||
1071 | -static void start_check_enables(struct smi_info *smi_info) | ||
1072 | +static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) | ||
1073 | +{ | ||
1074 | + smi_info->last_timeout_jiffies = jiffies; | ||
1075 | + mod_timer(&smi_info->si_timer, new_val); | ||
1076 | + smi_info->timer_running = true; | ||
1077 | +} | ||
1078 | + | ||
1079 | +/* | ||
1080 | + * Start a new message and (re)start the timer and thread. | ||
1081 | + */ | ||
1082 | +static void start_new_msg(struct smi_info *smi_info, unsigned char *msg, | ||
1083 | + unsigned int size) | ||
1084 | +{ | ||
1085 | + smi_mod_timer(smi_info, jiffies + SI_TIMEOUT_JIFFIES); | ||
1086 | + | ||
1087 | + if (smi_info->thread) | ||
1088 | + wake_up_process(smi_info->thread); | ||
1089 | + | ||
1090 | + smi_info->handlers->start_transaction(smi_info->si_sm, msg, size); | ||
1091 | +} | ||
1092 | + | ||
1093 | +static void start_check_enables(struct smi_info *smi_info, bool start_timer) | ||
1094 | { | ||
1095 | unsigned char msg[2]; | ||
1096 | |||
1097 | msg[0] = (IPMI_NETFN_APP_REQUEST << 2); | ||
1098 | msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD; | ||
1099 | |||
1100 | - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); | ||
1101 | + if (start_timer) | ||
1102 | + start_new_msg(smi_info, msg, 2); | ||
1103 | + else | ||
1104 | + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2); | ||
1105 | smi_info->si_state = SI_CHECKING_ENABLES; | ||
1106 | } | ||
1107 | |||
1108 | -static void start_clear_flags(struct smi_info *smi_info) | ||
1109 | +static void start_clear_flags(struct smi_info *smi_info, bool start_timer) | ||
1110 | { | ||
1111 | unsigned char msg[3]; | ||
1112 | |||
1113 | @@ -424,7 +448,10 @@ static void start_clear_flags(struct smi_info *smi_info) | ||
1114 | msg[1] = IPMI_CLEAR_MSG_FLAGS_CMD; | ||
1115 | msg[2] = WDT_PRE_TIMEOUT_INT; | ||
1116 | |||
1117 | - smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3); | ||
1118 | + if (start_timer) | ||
1119 | + start_new_msg(smi_info, msg, 3); | ||
1120 | + else | ||
1121 | + smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3); | ||
1122 | smi_info->si_state = SI_CLEARING_FLAGS; | ||
1123 | } | ||
1124 | |||
1125 | @@ -434,10 +461,8 @@ static void start_getting_msg_queue(struct smi_info *smi_info) | ||
1126 | smi_info->curr_msg->data[1] = IPMI_GET_MSG_CMD; | ||
1127 | smi_info->curr_msg->data_size = 2; | ||
1128 | |||
1129 | - smi_info->handlers->start_transaction( | ||
1130 | - smi_info->si_sm, | ||
1131 | - smi_info->curr_msg->data, | ||
1132 | - smi_info->curr_msg->data_size); | ||
1133 | + start_new_msg(smi_info, smi_info->curr_msg->data, | ||
1134 | + smi_info->curr_msg->data_size); | ||
1135 | smi_info->si_state = SI_GETTING_MESSAGES; | ||
1136 | } | ||
1137 | |||
1138 | @@ -447,20 +472,11 @@ static void start_getting_events(struct smi_info *smi_info) | ||
1139 | smi_info->curr_msg->data[1] = IPMI_READ_EVENT_MSG_BUFFER_CMD; | ||
1140 | smi_info->curr_msg->data_size = 2; | ||
1141 | |||
1142 | - smi_info->handlers->start_transaction( | ||
1143 | - smi_info->si_sm, | ||
1144 | - smi_info->curr_msg->data, | ||
1145 | - smi_info->curr_msg->data_size); | ||
1146 | + start_new_msg(smi_info, smi_info->curr_msg->data, | ||
1147 | + smi_info->curr_msg->data_size); | ||
1148 | smi_info->si_state = SI_GETTING_EVENTS; | ||
1149 | } | ||
1150 | |||
1151 | -static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) | ||
1152 | -{ | ||
1153 | - smi_info->last_timeout_jiffies = jiffies; | ||
1154 | - mod_timer(&smi_info->si_timer, new_val); | ||
1155 | - smi_info->timer_running = true; | ||
1156 | -} | ||
1157 | - | ||
1158 | /* | ||
1159 | * When we have a situtaion where we run out of memory and cannot | ||
1160 | * allocate messages, we just leave them in the BMC and run the system | ||
1161 | @@ -470,11 +486,11 @@ static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val) | ||
1162 | * Note that we cannot just use disable_irq(), since the interrupt may | ||
1163 | * be shared. | ||
1164 | */ | ||
1165 | -static inline bool disable_si_irq(struct smi_info *smi_info) | ||
1166 | +static inline bool disable_si_irq(struct smi_info *smi_info, bool start_timer) | ||
1167 | { | ||
1168 | if ((smi_info->irq) && (!smi_info->interrupt_disabled)) { | ||
1169 | smi_info->interrupt_disabled = true; | ||
1170 | - start_check_enables(smi_info); | ||
1171 | + start_check_enables(smi_info, start_timer); | ||
1172 | return true; | ||
1173 | } | ||
1174 | return false; | ||
1175 | @@ -484,7 +500,7 @@ static inline bool enable_si_irq(struct smi_info *smi_info) | ||
1176 | { | ||
1177 | if ((smi_info->irq) && (smi_info->interrupt_disabled)) { | ||
1178 | smi_info->interrupt_disabled = false; | ||
1179 | - start_check_enables(smi_info); | ||
1180 | + start_check_enables(smi_info, true); | ||
1181 | return true; | ||
1182 | } | ||
1183 | return false; | ||
1184 | @@ -502,7 +518,7 @@ static struct ipmi_smi_msg *alloc_msg_handle_irq(struct smi_info *smi_info) | ||
1185 | |||
1186 | msg = ipmi_alloc_smi_msg(); | ||
1187 | if (!msg) { | ||
1188 | - if (!disable_si_irq(smi_info)) | ||
1189 | + if (!disable_si_irq(smi_info, true)) | ||
1190 | smi_info->si_state = SI_NORMAL; | ||
1191 | } else if (enable_si_irq(smi_info)) { | ||
1192 | ipmi_free_smi_msg(msg); | ||
1193 | @@ -518,7 +534,7 @@ static void handle_flags(struct smi_info *smi_info) | ||
1194 | /* Watchdog pre-timeout */ | ||
1195 | smi_inc_stat(smi_info, watchdog_pretimeouts); | ||
1196 | |||
1197 | - start_clear_flags(smi_info); | ||
1198 | + start_clear_flags(smi_info, true); | ||
1199 | smi_info->msg_flags &= ~WDT_PRE_TIMEOUT_INT; | ||
1200 | if (smi_info->intf) | ||
1201 | ipmi_smi_watchdog_pretimeout(smi_info->intf); | ||
1202 | @@ -870,8 +886,7 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, | ||
1203 | msg[0] = (IPMI_NETFN_APP_REQUEST << 2); | ||
1204 | msg[1] = IPMI_GET_MSG_FLAGS_CMD; | ||
1205 | |||
1206 | - smi_info->handlers->start_transaction( | ||
1207 | - smi_info->si_sm, msg, 2); | ||
1208 | + start_new_msg(smi_info, msg, 2); | ||
1209 | smi_info->si_state = SI_GETTING_FLAGS; | ||
1210 | goto restart; | ||
1211 | } | ||
1212 | @@ -901,7 +916,7 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, | ||
1213 | * disable and messages disabled. | ||
1214 | */ | ||
1215 | if (smi_info->supports_event_msg_buff || smi_info->irq) { | ||
1216 | - start_check_enables(smi_info); | ||
1217 | + start_check_enables(smi_info, true); | ||
1218 | } else { | ||
1219 | smi_info->curr_msg = alloc_msg_handle_irq(smi_info); | ||
1220 | if (!smi_info->curr_msg) | ||
1221 | @@ -1203,14 +1218,14 @@ static int smi_start_processing(void *send_info, | ||
1222 | |||
1223 | new_smi->intf = intf; | ||
1224 | |||
1225 | - /* Try to claim any interrupts. */ | ||
1226 | - if (new_smi->irq_setup) | ||
1227 | - new_smi->irq_setup(new_smi); | ||
1228 | - | ||
1229 | /* Set up the timer that drives the interface. */ | ||
1230 | setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi); | ||
1231 | smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES); | ||
1232 | |||
1233 | + /* Try to claim any interrupts. */ | ||
1234 | + if (new_smi->irq_setup) | ||
1235 | + new_smi->irq_setup(new_smi); | ||
1236 | + | ||
1237 | /* | ||
1238 | * Check if the user forcefully enabled the daemon. | ||
1239 | */ | ||
1240 | @@ -3515,7 +3530,7 @@ static int try_smi_init(struct smi_info *new_smi) | ||
1241 | * Start clearing the flags before we enable interrupts or the | ||
1242 | * timer to avoid racing with the timer. | ||
1243 | */ | ||
1244 | - start_clear_flags(new_smi); | ||
1245 | + start_clear_flags(new_smi, false); | ||
1246 | |||
1247 | /* | ||
1248 | * IRQ is defined to be set when non-zero. req_events will | ||
1249 | @@ -3817,7 +3832,7 @@ static void cleanup_one_si(struct smi_info *to_clean) | ||
1250 | poll(to_clean); | ||
1251 | schedule_timeout_uninterruptible(1); | ||
1252 | } | ||
1253 | - disable_si_irq(to_clean); | ||
1254 | + disable_si_irq(to_clean, false); | ||
1255 | while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) { | ||
1256 | poll(to_clean); | ||
1257 | schedule_timeout_uninterruptible(1); | ||
1258 | diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c | ||
1259 | index 30f522848c73..c19e7fc717c3 100644 | ||
1260 | --- a/drivers/connector/connector.c | ||
1261 | +++ b/drivers/connector/connector.c | ||
1262 | @@ -178,26 +178,21 @@ static int cn_call_callback(struct sk_buff *skb) | ||
1263 | * | ||
1264 | * It checks skb, netlink header and msg sizes, and calls callback helper. | ||
1265 | */ | ||
1266 | -static void cn_rx_skb(struct sk_buff *__skb) | ||
1267 | +static void cn_rx_skb(struct sk_buff *skb) | ||
1268 | { | ||
1269 | struct nlmsghdr *nlh; | ||
1270 | - struct sk_buff *skb; | ||
1271 | int len, err; | ||
1272 | |||
1273 | - skb = skb_get(__skb); | ||
1274 | - | ||
1275 | if (skb->len >= NLMSG_HDRLEN) { | ||
1276 | nlh = nlmsg_hdr(skb); | ||
1277 | len = nlmsg_len(nlh); | ||
1278 | |||
1279 | if (len < (int)sizeof(struct cn_msg) || | ||
1280 | skb->len < nlh->nlmsg_len || | ||
1281 | - len > CONNECTOR_MAX_MSG_SIZE) { | ||
1282 | - kfree_skb(skb); | ||
1283 | + len > CONNECTOR_MAX_MSG_SIZE) | ||
1284 | return; | ||
1285 | - } | ||
1286 | |||
1287 | - err = cn_call_callback(skb); | ||
1288 | + err = cn_call_callback(skb_get(skb)); | ||
1289 | if (err < 0) | ||
1290 | kfree_skb(skb); | ||
1291 | } | ||
1292 | diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c | ||
1293 | index 722a925795a2..9ce9dfeb1258 100644 | ||
1294 | --- a/drivers/hid/hid-core.c | ||
1295 | +++ b/drivers/hid/hid-core.c | ||
1296 | @@ -1589,7 +1589,7 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) | ||
1297 | "Multi-Axis Controller" | ||
1298 | }; | ||
1299 | const char *type, *bus; | ||
1300 | - char buf[64]; | ||
1301 | + char buf[64] = ""; | ||
1302 | unsigned int i; | ||
1303 | int len; | ||
1304 | int ret; | ||
1305 | diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c | ||
1306 | index 8b0178db6a04..b85a8614c128 100644 | ||
1307 | --- a/drivers/iommu/intel-iommu.c | ||
1308 | +++ b/drivers/iommu/intel-iommu.c | ||
1309 | @@ -3928,14 +3928,17 @@ int dmar_find_matched_atsr_unit(struct pci_dev *dev) | ||
1310 | dev = pci_physfn(dev); | ||
1311 | for (bus = dev->bus; bus; bus = bus->parent) { | ||
1312 | bridge = bus->self; | ||
1313 | - if (!bridge || !pci_is_pcie(bridge) || | ||
1314 | + /* If it's an integrated device, allow ATS */ | ||
1315 | + if (!bridge) | ||
1316 | + return 1; | ||
1317 | + /* Connected via non-PCIe: no ATS */ | ||
1318 | + if (!pci_is_pcie(bridge) || | ||
1319 | pci_pcie_type(bridge) == PCI_EXP_TYPE_PCI_BRIDGE) | ||
1320 | return 0; | ||
1321 | + /* If we found the root port, look it up in the ATSR */ | ||
1322 | if (pci_pcie_type(bridge) == PCI_EXP_TYPE_ROOT_PORT) | ||
1323 | break; | ||
1324 | } | ||
1325 | - if (!bridge) | ||
1326 | - return 0; | ||
1327 | |||
1328 | rcu_read_lock(); | ||
1329 | list_for_each_entry_rcu(atsru, &dmar_atsr_units, list) { | ||
1330 | diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c | ||
1331 | index c4198fa490bf..9c1e8adaf4fc 100644 | ||
1332 | --- a/drivers/isdn/i4l/isdn_ppp.c | ||
1333 | +++ b/drivers/isdn/i4l/isdn_ppp.c | ||
1334 | @@ -301,6 +301,8 @@ isdn_ppp_open(int min, struct file *file) | ||
1335 | is->compflags = 0; | ||
1336 | |||
1337 | is->reset = isdn_ppp_ccp_reset_alloc(is); | ||
1338 | + if (!is->reset) | ||
1339 | + return -ENOMEM; | ||
1340 | |||
1341 | is->lp = NULL; | ||
1342 | is->mp_seqno = 0; /* MP sequence number */ | ||
1343 | @@ -320,6 +322,10 @@ isdn_ppp_open(int min, struct file *file) | ||
1344 | * VJ header compression init | ||
1345 | */ | ||
1346 | is->slcomp = slhc_init(16, 16); /* not necessary for 2. link in bundle */ | ||
1347 | + if (IS_ERR(is->slcomp)) { | ||
1348 | + isdn_ppp_ccp_reset_free(is); | ||
1349 | + return PTR_ERR(is->slcomp); | ||
1350 | + } | ||
1351 | #endif | ||
1352 | #ifdef CONFIG_IPPP_FILTER | ||
1353 | is->pass_filter = NULL; | ||
1354 | @@ -567,10 +573,8 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg) | ||
1355 | is->maxcid = val; | ||
1356 | #ifdef CONFIG_ISDN_PPP_VJ | ||
1357 | sltmp = slhc_init(16, val); | ||
1358 | - if (!sltmp) { | ||
1359 | - printk(KERN_ERR "ippp, can't realloc slhc struct\n"); | ||
1360 | - return -ENOMEM; | ||
1361 | - } | ||
1362 | + if (IS_ERR(sltmp)) | ||
1363 | + return PTR_ERR(sltmp); | ||
1364 | if (is->slcomp) | ||
1365 | slhc_free(is->slcomp); | ||
1366 | is->slcomp = sltmp; | ||
1367 | diff --git a/drivers/media/platform/vivid/vivid-osd.c b/drivers/media/platform/vivid/vivid-osd.c | ||
1368 | index 084d346fb4c4..e15eef6a94e5 100644 | ||
1369 | --- a/drivers/media/platform/vivid/vivid-osd.c | ||
1370 | +++ b/drivers/media/platform/vivid/vivid-osd.c | ||
1371 | @@ -85,6 +85,7 @@ static int vivid_fb_ioctl(struct fb_info *info, unsigned cmd, unsigned long arg) | ||
1372 | case FBIOGET_VBLANK: { | ||
1373 | struct fb_vblank vblank; | ||
1374 | |||
1375 | + memset(&vblank, 0, sizeof(vblank)); | ||
1376 | vblank.flags = FB_VBLANK_HAVE_COUNT | FB_VBLANK_HAVE_VCOUNT | | ||
1377 | FB_VBLANK_HAVE_VSYNC; | ||
1378 | vblank.count = 0; | ||
1379 | diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c | ||
1380 | index 4069234abed5..a50750ce511d 100644 | ||
1381 | --- a/drivers/media/usb/airspy/airspy.c | ||
1382 | +++ b/drivers/media/usb/airspy/airspy.c | ||
1383 | @@ -132,7 +132,7 @@ struct airspy { | ||
1384 | int urbs_submitted; | ||
1385 | |||
1386 | /* USB control message buffer */ | ||
1387 | - #define BUF_SIZE 24 | ||
1388 | + #define BUF_SIZE 128 | ||
1389 | u8 buf[BUF_SIZE]; | ||
1390 | |||
1391 | /* Current configuration */ | ||
1392 | diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c | ||
1393 | index 16d87bf8ac3c..72ba774df7a7 100644 | ||
1394 | --- a/drivers/net/bonding/bond_main.c | ||
1395 | +++ b/drivers/net/bonding/bond_main.c | ||
1396 | @@ -1194,7 +1194,6 @@ static int bond_master_upper_dev_link(struct net_device *bond_dev, | ||
1397 | err = netdev_master_upper_dev_link_private(slave_dev, bond_dev, slave); | ||
1398 | if (err) | ||
1399 | return err; | ||
1400 | - slave_dev->flags |= IFF_SLAVE; | ||
1401 | rtmsg_ifinfo(RTM_NEWLINK, slave_dev, IFF_SLAVE, GFP_KERNEL); | ||
1402 | return 0; | ||
1403 | } | ||
1404 | @@ -1452,6 +1451,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) | ||
1405 | } | ||
1406 | } | ||
1407 | |||
1408 | + /* set slave flag before open to prevent IPv6 addrconf */ | ||
1409 | + slave_dev->flags |= IFF_SLAVE; | ||
1410 | + | ||
1411 | /* open the slave since the application closed it */ | ||
1412 | res = dev_open(slave_dev); | ||
1413 | if (res) { | ||
1414 | @@ -1712,6 +1714,7 @@ err_close: | ||
1415 | dev_close(slave_dev); | ||
1416 | |||
1417 | err_restore_mac: | ||
1418 | + slave_dev->flags &= ~IFF_SLAVE; | ||
1419 | if (!bond->params.fail_over_mac || | ||
1420 | BOND_MODE(bond) != BOND_MODE_ACTIVEBACKUP) { | ||
1421 | /* XXX TODO - fom follow mode needs to change master's | ||
1422 | diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c | ||
1423 | index 9d15566521a7..cfe49a07c7c1 100644 | ||
1424 | --- a/drivers/net/ppp/ppp_generic.c | ||
1425 | +++ b/drivers/net/ppp/ppp_generic.c | ||
1426 | @@ -715,10 +715,8 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | ||
1427 | val &= 0xffff; | ||
1428 | } | ||
1429 | vj = slhc_init(val2+1, val+1); | ||
1430 | - if (!vj) { | ||
1431 | - netdev_err(ppp->dev, | ||
1432 | - "PPP: no memory (VJ compressor)\n"); | ||
1433 | - err = -ENOMEM; | ||
1434 | + if (IS_ERR(vj)) { | ||
1435 | + err = PTR_ERR(vj); | ||
1436 | break; | ||
1437 | } | ||
1438 | ppp_lock(ppp); | ||
1439 | diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c | ||
1440 | index 079f7adfcde5..27ed25252aac 100644 | ||
1441 | --- a/drivers/net/slip/slhc.c | ||
1442 | +++ b/drivers/net/slip/slhc.c | ||
1443 | @@ -84,8 +84,9 @@ static long decode(unsigned char **cpp); | ||
1444 | static unsigned char * put16(unsigned char *cp, unsigned short x); | ||
1445 | static unsigned short pull16(unsigned char **cpp); | ||
1446 | |||
1447 | -/* Initialize compression data structure | ||
1448 | +/* Allocate compression data structure | ||
1449 | * slots must be in range 0 to 255 (zero meaning no compression) | ||
1450 | + * Returns pointer to structure or ERR_PTR() on error. | ||
1451 | */ | ||
1452 | struct slcompress * | ||
1453 | slhc_init(int rslots, int tslots) | ||
1454 | @@ -94,11 +95,14 @@ slhc_init(int rslots, int tslots) | ||
1455 | register struct cstate *ts; | ||
1456 | struct slcompress *comp; | ||
1457 | |||
1458 | + if (rslots < 0 || rslots > 255 || tslots < 0 || tslots > 255) | ||
1459 | + return ERR_PTR(-EINVAL); | ||
1460 | + | ||
1461 | comp = kzalloc(sizeof(struct slcompress), GFP_KERNEL); | ||
1462 | if (! comp) | ||
1463 | goto out_fail; | ||
1464 | |||
1465 | - if ( rslots > 0 && rslots < 256 ) { | ||
1466 | + if (rslots > 0) { | ||
1467 | size_t rsize = rslots * sizeof(struct cstate); | ||
1468 | comp->rstate = kzalloc(rsize, GFP_KERNEL); | ||
1469 | if (! comp->rstate) | ||
1470 | @@ -106,7 +110,7 @@ slhc_init(int rslots, int tslots) | ||
1471 | comp->rslot_limit = rslots - 1; | ||
1472 | } | ||
1473 | |||
1474 | - if ( tslots > 0 && tslots < 256 ) { | ||
1475 | + if (tslots > 0) { | ||
1476 | size_t tsize = tslots * sizeof(struct cstate); | ||
1477 | comp->tstate = kzalloc(tsize, GFP_KERNEL); | ||
1478 | if (! comp->tstate) | ||
1479 | @@ -141,7 +145,7 @@ out_free2: | ||
1480 | out_free: | ||
1481 | kfree(comp); | ||
1482 | out_fail: | ||
1483 | - return NULL; | ||
1484 | + return ERR_PTR(-ENOMEM); | ||
1485 | } | ||
1486 | |||
1487 | |||
1488 | diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c | ||
1489 | index 05387b1e2e95..a17d86a57734 100644 | ||
1490 | --- a/drivers/net/slip/slip.c | ||
1491 | +++ b/drivers/net/slip/slip.c | ||
1492 | @@ -164,7 +164,7 @@ static int sl_alloc_bufs(struct slip *sl, int mtu) | ||
1493 | if (cbuff == NULL) | ||
1494 | goto err_exit; | ||
1495 | slcomp = slhc_init(16, 16); | ||
1496 | - if (slcomp == NULL) | ||
1497 | + if (IS_ERR(slcomp)) | ||
1498 | goto err_exit; | ||
1499 | #endif | ||
1500 | spin_lock_bh(&sl->lock); | ||
1501 | diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c | ||
1502 | index 6928448f6b7f..2b45d0168c3c 100644 | ||
1503 | --- a/drivers/net/team/team.c | ||
1504 | +++ b/drivers/net/team/team.c | ||
1505 | @@ -1845,10 +1845,10 @@ static int team_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) | ||
1506 | struct team *team = netdev_priv(dev); | ||
1507 | struct team_port *port; | ||
1508 | |||
1509 | - rcu_read_lock(); | ||
1510 | - list_for_each_entry_rcu(port, &team->port_list, list) | ||
1511 | + mutex_lock(&team->lock); | ||
1512 | + list_for_each_entry(port, &team->port_list, list) | ||
1513 | vlan_vid_del(port->dev, proto, vid); | ||
1514 | - rcu_read_unlock(); | ||
1515 | + mutex_unlock(&team->lock); | ||
1516 | |||
1517 | return 0; | ||
1518 | } | ||
1519 | diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c | ||
1520 | index e4b7a47a825c..5efaa9ab5af5 100644 | ||
1521 | --- a/drivers/net/usb/cdc_mbim.c | ||
1522 | +++ b/drivers/net/usb/cdc_mbim.c | ||
1523 | @@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = { | ||
1524 | .ndo_stop = usbnet_stop, | ||
1525 | .ndo_start_xmit = usbnet_start_xmit, | ||
1526 | .ndo_tx_timeout = usbnet_tx_timeout, | ||
1527 | - .ndo_change_mtu = usbnet_change_mtu, | ||
1528 | + .ndo_change_mtu = cdc_ncm_change_mtu, | ||
1529 | .ndo_set_mac_address = eth_mac_addr, | ||
1530 | .ndo_validate_addr = eth_validate_addr, | ||
1531 | .ndo_vlan_rx_add_vid = cdc_mbim_rx_add_vid, | ||
1532 | diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c | ||
1533 | index 8067b8fbb0ee..0b481c30979b 100644 | ||
1534 | --- a/drivers/net/usb/cdc_ncm.c | ||
1535 | +++ b/drivers/net/usb/cdc_ncm.c | ||
1536 | @@ -41,6 +41,7 @@ | ||
1537 | #include <linux/module.h> | ||
1538 | #include <linux/netdevice.h> | ||
1539 | #include <linux/ctype.h> | ||
1540 | +#include <linux/etherdevice.h> | ||
1541 | #include <linux/ethtool.h> | ||
1542 | #include <linux/workqueue.h> | ||
1543 | #include <linux/mii.h> | ||
1544 | @@ -687,6 +688,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) | ||
1545 | kfree(ctx); | ||
1546 | } | ||
1547 | |||
1548 | +/* we need to override the usbnet change_mtu ndo for two reasons: | ||
1549 | + * - respect the negotiated maximum datagram size | ||
1550 | + * - avoid unwanted changes to rx and tx buffers | ||
1551 | + */ | ||
1552 | +int cdc_ncm_change_mtu(struct net_device *net, int new_mtu) | ||
1553 | +{ | ||
1554 | + struct usbnet *dev = netdev_priv(net); | ||
1555 | + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; | ||
1556 | + int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev); | ||
1557 | + | ||
1558 | + if (new_mtu <= 0 || new_mtu > maxmtu) | ||
1559 | + return -EINVAL; | ||
1560 | + net->mtu = new_mtu; | ||
1561 | + return 0; | ||
1562 | +} | ||
1563 | +EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu); | ||
1564 | + | ||
1565 | +static const struct net_device_ops cdc_ncm_netdev_ops = { | ||
1566 | + .ndo_open = usbnet_open, | ||
1567 | + .ndo_stop = usbnet_stop, | ||
1568 | + .ndo_start_xmit = usbnet_start_xmit, | ||
1569 | + .ndo_tx_timeout = usbnet_tx_timeout, | ||
1570 | + .ndo_change_mtu = cdc_ncm_change_mtu, | ||
1571 | + .ndo_set_mac_address = eth_mac_addr, | ||
1572 | + .ndo_validate_addr = eth_validate_addr, | ||
1573 | +}; | ||
1574 | + | ||
1575 | int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) | ||
1576 | { | ||
1577 | const struct usb_cdc_union_desc *union_desc = NULL; | ||
1578 | @@ -861,6 +889,9 @@ advance: | ||
1579 | /* add our sysfs attrs */ | ||
1580 | dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group; | ||
1581 | |||
1582 | + /* must handle MTU changes */ | ||
1583 | + dev->net->netdev_ops = &cdc_ncm_netdev_ops; | ||
1584 | + | ||
1585 | return 0; | ||
1586 | |||
1587 | error2: | ||
1588 | diff --git a/drivers/net/veth.c b/drivers/net/veth.c | ||
1589 | index c8186ffda1a3..2e61a799f32a 100644 | ||
1590 | --- a/drivers/net/veth.c | ||
1591 | +++ b/drivers/net/veth.c | ||
1592 | @@ -117,12 +117,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) | ||
1593 | kfree_skb(skb); | ||
1594 | goto drop; | ||
1595 | } | ||
1596 | - /* don't change ip_summed == CHECKSUM_PARTIAL, as that | ||
1597 | - * will cause bad checksum on forwarded packets | ||
1598 | - */ | ||
1599 | - if (skb->ip_summed == CHECKSUM_NONE && | ||
1600 | - rcv->features & NETIF_F_RXCSUM) | ||
1601 | - skb->ip_summed = CHECKSUM_UNNECESSARY; | ||
1602 | |||
1603 | if (likely(dev_forward_skb(rcv, skb) == NET_RX_SUCCESS)) { | ||
1604 | struct pcpu_vstats *stats = this_cpu_ptr(dev->vstats); | ||
1605 | diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c | ||
1606 | index 0085b8df83e2..940f78e41993 100644 | ||
1607 | --- a/drivers/net/vxlan.c | ||
1608 | +++ b/drivers/net/vxlan.c | ||
1609 | @@ -2581,7 +2581,7 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, | ||
1610 | struct nlattr *tb[], struct nlattr *data[]) | ||
1611 | { | ||
1612 | struct vxlan_net *vn = net_generic(src_net, vxlan_net_id); | ||
1613 | - struct vxlan_dev *vxlan = netdev_priv(dev); | ||
1614 | + struct vxlan_dev *vxlan = netdev_priv(dev), *tmp; | ||
1615 | struct vxlan_rdst *dst = &vxlan->default_dst; | ||
1616 | __u32 vni; | ||
1617 | int err; | ||
1618 | @@ -2714,9 +2714,13 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, | ||
1619 | if (data[IFLA_VXLAN_REMCSUM_NOPARTIAL]) | ||
1620 | vxlan->flags |= VXLAN_F_REMCSUM_NOPARTIAL; | ||
1621 | |||
1622 | - if (vxlan_find_vni(src_net, vni, use_ipv6 ? AF_INET6 : AF_INET, | ||
1623 | - vxlan->dst_port, vxlan->flags)) { | ||
1624 | - pr_info("duplicate VNI %u\n", vni); | ||
1625 | + list_for_each_entry(tmp, &vn->vxlan_list, next) { | ||
1626 | + if (tmp->default_dst.remote_vni == vni && | ||
1627 | + (tmp->default_dst.remote_ip.sa.sa_family == AF_INET6 || | ||
1628 | + tmp->saddr.sa.sa_family == AF_INET6) == use_ipv6 && | ||
1629 | + tmp->dst_port == vxlan->dst_port && | ||
1630 | + (tmp->flags & VXLAN_F_RCV_FLAGS) == | ||
1631 | + (vxlan->flags & VXLAN_F_RCV_FLAGS)) | ||
1632 | return -EEXIST; | ||
1633 | } | ||
1634 | |||
1635 | diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c | ||
1636 | index 0866c5dfdf87..5e5b6184e720 100644 | ||
1637 | --- a/drivers/net/xen-netback/netback.c | ||
1638 | +++ b/drivers/net/xen-netback/netback.c | ||
1639 | @@ -2007,8 +2007,11 @@ static int __init netback_init(void) | ||
1640 | if (!xen_domain()) | ||
1641 | return -ENODEV; | ||
1642 | |||
1643 | - /* Allow as many queues as there are CPUs, by default */ | ||
1644 | - xenvif_max_queues = num_online_cpus(); | ||
1645 | + /* Allow as many queues as there are CPUs if user has not | ||
1646 | + * specified a value. | ||
1647 | + */ | ||
1648 | + if (xenvif_max_queues == 0) | ||
1649 | + xenvif_max_queues = num_online_cpus(); | ||
1650 | |||
1651 | if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) { | ||
1652 | pr_info("fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n", | ||
1653 | diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c | ||
1654 | index 52f081f4dfd5..fd51626e859e 100644 | ||
1655 | --- a/drivers/net/xen-netfront.c | ||
1656 | +++ b/drivers/net/xen-netfront.c | ||
1657 | @@ -1710,19 +1710,19 @@ static void xennet_destroy_queues(struct netfront_info *info) | ||
1658 | } | ||
1659 | |||
1660 | static int xennet_create_queues(struct netfront_info *info, | ||
1661 | - unsigned int num_queues) | ||
1662 | + unsigned int *num_queues) | ||
1663 | { | ||
1664 | unsigned int i; | ||
1665 | int ret; | ||
1666 | |||
1667 | - info->queues = kcalloc(num_queues, sizeof(struct netfront_queue), | ||
1668 | + info->queues = kcalloc(*num_queues, sizeof(struct netfront_queue), | ||
1669 | GFP_KERNEL); | ||
1670 | if (!info->queues) | ||
1671 | return -ENOMEM; | ||
1672 | |||
1673 | rtnl_lock(); | ||
1674 | |||
1675 | - for (i = 0; i < num_queues; i++) { | ||
1676 | + for (i = 0; i < *num_queues; i++) { | ||
1677 | struct netfront_queue *queue = &info->queues[i]; | ||
1678 | |||
1679 | queue->id = i; | ||
1680 | @@ -1732,7 +1732,7 @@ static int xennet_create_queues(struct netfront_info *info, | ||
1681 | if (ret < 0) { | ||
1682 | dev_warn(&info->netdev->dev, | ||
1683 | "only created %d queues\n", i); | ||
1684 | - num_queues = i; | ||
1685 | + *num_queues = i; | ||
1686 | break; | ||
1687 | } | ||
1688 | |||
1689 | @@ -1742,11 +1742,11 @@ static int xennet_create_queues(struct netfront_info *info, | ||
1690 | napi_enable(&queue->napi); | ||
1691 | } | ||
1692 | |||
1693 | - netif_set_real_num_tx_queues(info->netdev, num_queues); | ||
1694 | + netif_set_real_num_tx_queues(info->netdev, *num_queues); | ||
1695 | |||
1696 | rtnl_unlock(); | ||
1697 | |||
1698 | - if (num_queues == 0) { | ||
1699 | + if (*num_queues == 0) { | ||
1700 | dev_err(&info->netdev->dev, "no queues\n"); | ||
1701 | return -EINVAL; | ||
1702 | } | ||
1703 | @@ -1792,7 +1792,7 @@ static int talk_to_netback(struct xenbus_device *dev, | ||
1704 | if (info->queues) | ||
1705 | xennet_destroy_queues(info); | ||
1706 | |||
1707 | - err = xennet_create_queues(info, num_queues); | ||
1708 | + err = xennet_create_queues(info, &num_queues); | ||
1709 | if (err < 0) | ||
1710 | goto destroy_ring; | ||
1711 | |||
1712 | @@ -2140,8 +2140,11 @@ static int __init netif_init(void) | ||
1713 | |||
1714 | pr_info("Initialising Xen virtual ethernet driver\n"); | ||
1715 | |||
1716 | - /* Allow as many queues as there are CPUs, by default */ | ||
1717 | - xennet_max_queues = num_online_cpus(); | ||
1718 | + /* Allow as many queues as there are CPUs if user has not | ||
1719 | + * specified a value. | ||
1720 | + */ | ||
1721 | + if (xennet_max_queues == 0) | ||
1722 | + xennet_max_queues = num_online_cpus(); | ||
1723 | |||
1724 | return xenbus_register_frontend(&netfront_driver); | ||
1725 | } | ||
1726 | diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h | ||
1727 | index 761e77bfce5d..e56f1569f6c3 100644 | ||
1728 | --- a/drivers/parisc/iommu-helpers.h | ||
1729 | +++ b/drivers/parisc/iommu-helpers.h | ||
1730 | @@ -104,7 +104,11 @@ iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, | ||
1731 | struct scatterlist *contig_sg; /* contig chunk head */ | ||
1732 | unsigned long dma_offset, dma_len; /* start/len of DMA stream */ | ||
1733 | unsigned int n_mappings = 0; | ||
1734 | - unsigned int max_seg_size = dma_get_max_seg_size(dev); | ||
1735 | + unsigned int max_seg_size = min(dma_get_max_seg_size(dev), | ||
1736 | + (unsigned)DMA_CHUNK_SIZE); | ||
1737 | + unsigned int max_seg_boundary = dma_get_seg_boundary(dev) + 1; | ||
1738 | + if (max_seg_boundary) /* check if the addition above didn't overflow */ | ||
1739 | + max_seg_size = min(max_seg_size, max_seg_boundary); | ||
1740 | |||
1741 | while (nents > 0) { | ||
1742 | |||
1743 | @@ -138,14 +142,11 @@ iommu_coalesce_chunks(struct ioc *ioc, struct device *dev, | ||
1744 | |||
1745 | /* | ||
1746 | ** First make sure current dma stream won't | ||
1747 | - ** exceed DMA_CHUNK_SIZE if we coalesce the | ||
1748 | + ** exceed max_seg_size if we coalesce the | ||
1749 | ** next entry. | ||
1750 | */ | ||
1751 | - if(unlikely(ALIGN(dma_len + dma_offset + startsg->length, | ||
1752 | - IOVP_SIZE) > DMA_CHUNK_SIZE)) | ||
1753 | - break; | ||
1754 | - | ||
1755 | - if (startsg->length + dma_len > max_seg_size) | ||
1756 | + if (unlikely(ALIGN(dma_len + dma_offset + startsg->length, IOVP_SIZE) > | ||
1757 | + max_seg_size)) | ||
1758 | break; | ||
1759 | |||
1760 | /* | ||
1761 | diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c | ||
1762 | index d542e06d6cd3..10e520d6bb75 100644 | ||
1763 | --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c | ||
1764 | +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c | ||
1765 | @@ -1268,6 +1268,7 @@ static int | ||
1766 | echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) | ||
1767 | { | ||
1768 | struct lov_stripe_md *ulsm = _ulsm; | ||
1769 | + struct lov_oinfo **p; | ||
1770 | int nob, i; | ||
1771 | |||
1772 | nob = offsetof(struct lov_stripe_md, lsm_oinfo[lsm->lsm_stripe_count]); | ||
1773 | @@ -1277,9 +1278,10 @@ echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) | ||
1774 | if (copy_to_user(ulsm, lsm, sizeof(*ulsm))) | ||
1775 | return -EFAULT; | ||
1776 | |||
1777 | - for (i = 0; i < lsm->lsm_stripe_count; i++) { | ||
1778 | - if (copy_to_user(ulsm->lsm_oinfo[i], lsm->lsm_oinfo[i], | ||
1779 | - sizeof(lsm->lsm_oinfo[0]))) | ||
1780 | + for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) { | ||
1781 | + struct lov_oinfo __user *up; | ||
1782 | + if (get_user(up, ulsm->lsm_oinfo + i) || | ||
1783 | + copy_to_user(up, *p, sizeof(struct lov_oinfo))) | ||
1784 | return -EFAULT; | ||
1785 | } | ||
1786 | return 0; | ||
1787 | @@ -1287,9 +1289,10 @@ echo_copyout_lsm(struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob) | ||
1788 | |||
1789 | static int | ||
1790 | echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm, | ||
1791 | - void *ulsm, int ulsm_nob) | ||
1792 | + struct lov_stripe_md __user *ulsm, int ulsm_nob) | ||
1793 | { | ||
1794 | struct echo_client_obd *ec = ed->ed_ec; | ||
1795 | + struct lov_oinfo **p; | ||
1796 | int i; | ||
1797 | |||
1798 | if (ulsm_nob < sizeof(*lsm)) | ||
1799 | @@ -1305,11 +1308,10 @@ echo_copyin_lsm(struct echo_device *ed, struct lov_stripe_md *lsm, | ||
1800 | return -EINVAL; | ||
1801 | |||
1802 | |||
1803 | - for (i = 0; i < lsm->lsm_stripe_count; i++) { | ||
1804 | - if (copy_from_user(lsm->lsm_oinfo[i], | ||
1805 | - ((struct lov_stripe_md *)ulsm)-> \ | ||
1806 | - lsm_oinfo[i], | ||
1807 | - sizeof(lsm->lsm_oinfo[0]))) | ||
1808 | + for (i = 0, p = lsm->lsm_oinfo; i < lsm->lsm_stripe_count; i++, p++) { | ||
1809 | + struct lov_oinfo __user *up; | ||
1810 | + if (get_user(up, ulsm->lsm_oinfo + i) || | ||
1811 | + copy_from_user(*p, up, sizeof(struct lov_oinfo))) | ||
1812 | return -EFAULT; | ||
1813 | } | ||
1814 | return 0; | ||
1815 | diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c | ||
1816 | index d68c4a4db682..ee11b301f3da 100644 | ||
1817 | --- a/drivers/usb/core/hub.c | ||
1818 | +++ b/drivers/usb/core/hub.c | ||
1819 | @@ -1034,10 +1034,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) | ||
1820 | unsigned delay; | ||
1821 | |||
1822 | /* Continue a partial initialization */ | ||
1823 | - if (type == HUB_INIT2) | ||
1824 | - goto init2; | ||
1825 | - if (type == HUB_INIT3) | ||
1826 | + if (type == HUB_INIT2 || type == HUB_INIT3) { | ||
1827 | + device_lock(hub->intfdev); | ||
1828 | + | ||
1829 | + /* Was the hub disconnected while we were waiting? */ | ||
1830 | + if (hub->disconnected) { | ||
1831 | + device_unlock(hub->intfdev); | ||
1832 | + kref_put(&hub->kref, hub_release); | ||
1833 | + return; | ||
1834 | + } | ||
1835 | + if (type == HUB_INIT2) | ||
1836 | + goto init2; | ||
1837 | goto init3; | ||
1838 | + } | ||
1839 | + kref_get(&hub->kref); | ||
1840 | |||
1841 | /* The superspeed hub except for root hub has to use Hub Depth | ||
1842 | * value as an offset into the route string to locate the bits | ||
1843 | @@ -1235,6 +1245,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) | ||
1844 | queue_delayed_work(system_power_efficient_wq, | ||
1845 | &hub->init_work, | ||
1846 | msecs_to_jiffies(delay)); | ||
1847 | + device_unlock(hub->intfdev); | ||
1848 | return; /* Continues at init3: below */ | ||
1849 | } else { | ||
1850 | msleep(delay); | ||
1851 | @@ -1256,6 +1267,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) | ||
1852 | /* Allow autosuspend if it was suppressed */ | ||
1853 | if (type <= HUB_INIT3) | ||
1854 | usb_autopm_put_interface_async(to_usb_interface(hub->intfdev)); | ||
1855 | + | ||
1856 | + if (type == HUB_INIT2 || type == HUB_INIT3) | ||
1857 | + device_unlock(hub->intfdev); | ||
1858 | + | ||
1859 | + kref_put(&hub->kref, hub_release); | ||
1860 | } | ||
1861 | |||
1862 | /* Implement the continuations for the delays above */ | ||
1863 | diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c | ||
1864 | index 1e6d7579709e..f6bb118e4501 100644 | ||
1865 | --- a/drivers/usb/host/xhci.c | ||
1866 | +++ b/drivers/usb/host/xhci.c | ||
1867 | @@ -4794,8 +4794,16 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, | ||
1868 | ctrl_ctx->add_flags |= cpu_to_le32(SLOT_FLAG); | ||
1869 | slot_ctx = xhci_get_slot_ctx(xhci, config_cmd->in_ctx); | ||
1870 | slot_ctx->dev_info |= cpu_to_le32(DEV_HUB); | ||
1871 | + /* | ||
1872 | + * refer to section 6.2.2: MTT should be 0 for full speed hub, | ||
1873 | + * but it may be already set to 1 when setup an xHCI virtual | ||
1874 | + * device, so clear it anyway. | ||
1875 | + */ | ||
1876 | if (tt->multi) | ||
1877 | slot_ctx->dev_info |= cpu_to_le32(DEV_MTT); | ||
1878 | + else if (hdev->speed == USB_SPEED_FULL) | ||
1879 | + slot_ctx->dev_info &= cpu_to_le32(~DEV_MTT); | ||
1880 | + | ||
1881 | if (xhci->hci_version > 0x95) { | ||
1882 | xhci_dbg(xhci, "xHCI version %x needs hub " | ||
1883 | "TT think time and number of ports\n", | ||
1884 | @@ -5046,6 +5054,10 @@ static int __init xhci_hcd_init(void) | ||
1885 | BUILD_BUG_ON(sizeof(struct xhci_intr_reg) != 8*32/8); | ||
1886 | /* xhci_run_regs has eight fields and embeds 128 xhci_intr_regs */ | ||
1887 | BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8); | ||
1888 | + | ||
1889 | + if (usb_disabled()) | ||
1890 | + return -ENODEV; | ||
1891 | + | ||
1892 | return 0; | ||
1893 | } | ||
1894 | |||
1895 | diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c | ||
1896 | index 7d4f51a32e66..59b2126b21a3 100644 | ||
1897 | --- a/drivers/usb/serial/cp210x.c | ||
1898 | +++ b/drivers/usb/serial/cp210x.c | ||
1899 | @@ -160,6 +160,7 @@ static const struct usb_device_id id_table[] = { | ||
1900 | { USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */ | ||
1901 | { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */ | ||
1902 | { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ | ||
1903 | + { USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */ | ||
1904 | { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ | ||
1905 | { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ | ||
1906 | { USB_DEVICE(0x1BA4, 0x0002) }, /* Silicon Labs 358x factory default */ | ||
1907 | diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c | ||
1908 | index f51a5d52c0ed..ec1b8f2c1183 100644 | ||
1909 | --- a/drivers/usb/serial/ipaq.c | ||
1910 | +++ b/drivers/usb/serial/ipaq.c | ||
1911 | @@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty, | ||
1912 | * through. Since this has a reasonably high failure rate, we retry | ||
1913 | * several times. | ||
1914 | */ | ||
1915 | - while (retries--) { | ||
1916 | + while (retries) { | ||
1917 | + retries--; | ||
1918 | result = usb_control_msg(serial->dev, | ||
1919 | usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21, | ||
1920 | 0x1, 0, NULL, 0, 100); | ||
1921 | diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c | ||
1922 | index 4bd23bba816f..ee71baddbb10 100644 | ||
1923 | --- a/drivers/xen/gntdev.c | ||
1924 | +++ b/drivers/xen/gntdev.c | ||
1925 | @@ -804,7 +804,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) | ||
1926 | |||
1927 | vma->vm_ops = &gntdev_vmops; | ||
1928 | |||
1929 | - vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; | ||
1930 | + vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_IO; | ||
1931 | |||
1932 | if (use_ptemod) | ||
1933 | vma->vm_flags |= VM_DONTCOPY; | ||
1934 | diff --git a/fs/direct-io.c b/fs/direct-io.c | ||
1935 | index 745d2342651a..d83a021a659f 100644 | ||
1936 | --- a/fs/direct-io.c | ||
1937 | +++ b/fs/direct-io.c | ||
1938 | @@ -1159,6 +1159,16 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, | ||
1939 | } | ||
1940 | } | ||
1941 | |||
1942 | + /* Once we sampled i_size check for reads beyond EOF */ | ||
1943 | + dio->i_size = i_size_read(inode); | ||
1944 | + if (iov_iter_rw(iter) == READ && offset >= dio->i_size) { | ||
1945 | + if (dio->flags & DIO_LOCKING) | ||
1946 | + mutex_unlock(&inode->i_mutex); | ||
1947 | + kmem_cache_free(dio_cache, dio); | ||
1948 | + retval = 0; | ||
1949 | + goto out; | ||
1950 | + } | ||
1951 | + | ||
1952 | /* | ||
1953 | * For file extending writes updating i_size before data writeouts | ||
1954 | * complete can expose uninitialized blocks in dumb filesystems. | ||
1955 | @@ -1212,7 +1222,6 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode, | ||
1956 | sdio.next_block_for_io = -1; | ||
1957 | |||
1958 | dio->iocb = iocb; | ||
1959 | - dio->i_size = i_size_read(inode); | ||
1960 | |||
1961 | spin_lock_init(&dio->bio_lock); | ||
1962 | dio->refcount = 1; | ||
1963 | diff --git a/include/linux/filter.h b/include/linux/filter.h | ||
1964 | index fa11b3a367be..1ce6e1049a3b 100644 | ||
1965 | --- a/include/linux/filter.h | ||
1966 | +++ b/include/linux/filter.h | ||
1967 | @@ -428,6 +428,25 @@ static inline void bpf_jit_free(struct bpf_prog *fp) | ||
1968 | |||
1969 | #define BPF_ANC BIT(15) | ||
1970 | |||
1971 | +static inline bool bpf_needs_clear_a(const struct sock_filter *first) | ||
1972 | +{ | ||
1973 | + switch (first->code) { | ||
1974 | + case BPF_RET | BPF_K: | ||
1975 | + case BPF_LD | BPF_W | BPF_LEN: | ||
1976 | + return false; | ||
1977 | + | ||
1978 | + case BPF_LD | BPF_W | BPF_ABS: | ||
1979 | + case BPF_LD | BPF_H | BPF_ABS: | ||
1980 | + case BPF_LD | BPF_B | BPF_ABS: | ||
1981 | + if (first->k == SKF_AD_OFF + SKF_AD_ALU_XOR_X) | ||
1982 | + return true; | ||
1983 | + return false; | ||
1984 | + | ||
1985 | + default: | ||
1986 | + return true; | ||
1987 | + } | ||
1988 | +} | ||
1989 | + | ||
1990 | static inline u16 bpf_anc_helper(const struct sock_filter *ftest) | ||
1991 | { | ||
1992 | BUG_ON(ftest->code & BPF_ANC); | ||
1993 | diff --git a/include/linux/sched.h b/include/linux/sched.h | ||
1994 | index 61f4f2d5c882..9128b4e9f541 100644 | ||
1995 | --- a/include/linux/sched.h | ||
1996 | +++ b/include/linux/sched.h | ||
1997 | @@ -802,6 +802,7 @@ struct user_struct { | ||
1998 | unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */ | ||
1999 | #endif | ||
2000 | unsigned long locked_shm; /* How many pages of mlocked shm ? */ | ||
2001 | + unsigned long unix_inflight; /* How many files in flight in unix sockets */ | ||
2002 | |||
2003 | #ifdef CONFIG_KEYS | ||
2004 | struct key *uid_keyring; /* UID specific keyring */ | ||
2005 | diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h | ||
2006 | index 4307e20a4a4a..1f17abe23725 100644 | ||
2007 | --- a/include/linux/skbuff.h | ||
2008 | +++ b/include/linux/skbuff.h | ||
2009 | @@ -3320,7 +3320,8 @@ struct skb_gso_cb { | ||
2010 | int encap_level; | ||
2011 | __u16 csum_start; | ||
2012 | }; | ||
2013 | -#define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb) | ||
2014 | +#define SKB_SGO_CB_OFFSET 32 | ||
2015 | +#define SKB_GSO_CB(skb) ((struct skb_gso_cb *)((skb)->cb + SKB_SGO_CB_OFFSET)) | ||
2016 | |||
2017 | static inline int skb_tnl_header_len(const struct sk_buff *inner_skb) | ||
2018 | { | ||
2019 | diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h | ||
2020 | index 76d1e38aabe1..0c53fd51bf9b 100644 | ||
2021 | --- a/include/linux/syscalls.h | ||
2022 | +++ b/include/linux/syscalls.h | ||
2023 | @@ -524,7 +524,7 @@ asmlinkage long sys_chown(const char __user *filename, | ||
2024 | asmlinkage long sys_lchown(const char __user *filename, | ||
2025 | uid_t user, gid_t group); | ||
2026 | asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group); | ||
2027 | -#ifdef CONFIG_UID16 | ||
2028 | +#ifdef CONFIG_HAVE_UID16 | ||
2029 | asmlinkage long sys_chown16(const char __user *filename, | ||
2030 | old_uid_t user, old_gid_t group); | ||
2031 | asmlinkage long sys_lchown16(const char __user *filename, | ||
2032 | diff --git a/include/linux/types.h b/include/linux/types.h | ||
2033 | index 8715287c3b1f..69c44d981da3 100644 | ||
2034 | --- a/include/linux/types.h | ||
2035 | +++ b/include/linux/types.h | ||
2036 | @@ -35,7 +35,7 @@ typedef __kernel_gid16_t gid16_t; | ||
2037 | |||
2038 | typedef unsigned long uintptr_t; | ||
2039 | |||
2040 | -#ifdef CONFIG_UID16 | ||
2041 | +#ifdef CONFIG_HAVE_UID16 | ||
2042 | /* This is defined by include/asm-{arch}/posix_types.h */ | ||
2043 | typedef __kernel_old_uid_t old_uid_t; | ||
2044 | typedef __kernel_old_gid_t old_gid_t; | ||
2045 | diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h | ||
2046 | index 7c9b484735c5..e7827ae2462c 100644 | ||
2047 | --- a/include/linux/usb/cdc_ncm.h | ||
2048 | +++ b/include/linux/usb/cdc_ncm.h | ||
2049 | @@ -133,6 +133,7 @@ struct cdc_ncm_ctx { | ||
2050 | }; | ||
2051 | |||
2052 | u8 cdc_ncm_select_altsetting(struct usb_interface *intf); | ||
2053 | +int cdc_ncm_change_mtu(struct net_device *net, int new_mtu); | ||
2054 | int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); | ||
2055 | void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); | ||
2056 | struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); | ||
2057 | diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h | ||
2058 | index 84b20835b736..0dc0a51da38f 100644 | ||
2059 | --- a/include/net/inet_ecn.h | ||
2060 | +++ b/include/net/inet_ecn.h | ||
2061 | @@ -111,11 +111,24 @@ static inline void ipv4_copy_dscp(unsigned int dscp, struct iphdr *inner) | ||
2062 | |||
2063 | struct ipv6hdr; | ||
2064 | |||
2065 | -static inline int IP6_ECN_set_ce(struct ipv6hdr *iph) | ||
2066 | +/* Note: | ||
2067 | + * IP_ECN_set_ce() has to tweak IPV4 checksum when setting CE, | ||
2068 | + * meaning both changes have no effect on skb->csum if/when CHECKSUM_COMPLETE | ||
2069 | + * In IPv6 case, no checksum compensates the change in IPv6 header, | ||
2070 | + * so we have to update skb->csum. | ||
2071 | + */ | ||
2072 | +static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph) | ||
2073 | { | ||
2074 | + __be32 from, to; | ||
2075 | + | ||
2076 | if (INET_ECN_is_not_ect(ipv6_get_dsfield(iph))) | ||
2077 | return 0; | ||
2078 | - *(__be32*)iph |= htonl(INET_ECN_CE << 20); | ||
2079 | + | ||
2080 | + from = *(__be32 *)iph; | ||
2081 | + to = from | htonl(INET_ECN_CE << 20); | ||
2082 | + *(__be32 *)iph = to; | ||
2083 | + if (skb->ip_summed == CHECKSUM_COMPLETE) | ||
2084 | + skb->csum = csum_add(csum_sub(skb->csum, from), to); | ||
2085 | return 1; | ||
2086 | } | ||
2087 | |||
2088 | @@ -142,7 +155,7 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb) | ||
2089 | case cpu_to_be16(ETH_P_IPV6): | ||
2090 | if (skb_network_header(skb) + sizeof(struct ipv6hdr) <= | ||
2091 | skb_tail_pointer(skb)) | ||
2092 | - return IP6_ECN_set_ce(ipv6_hdr(skb)); | ||
2093 | + return IP6_ECN_set_ce(skb, ipv6_hdr(skb)); | ||
2094 | break; | ||
2095 | } | ||
2096 | |||
2097 | diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h | ||
2098 | index 360c4802288d..7682cb2ae237 100644 | ||
2099 | --- a/include/net/inet_timewait_sock.h | ||
2100 | +++ b/include/net/inet_timewait_sock.h | ||
2101 | @@ -112,7 +112,19 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, | ||
2102 | void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk, | ||
2103 | struct inet_hashinfo *hashinfo); | ||
2104 | |||
2105 | -void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo); | ||
2106 | +void __inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo, | ||
2107 | + bool rearm); | ||
2108 | + | ||
2109 | +static inline void inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo) | ||
2110 | +{ | ||
2111 | + __inet_twsk_schedule(tw, timeo, false); | ||
2112 | +} | ||
2113 | + | ||
2114 | +static inline void inet_twsk_reschedule(struct inet_timewait_sock *tw, int timeo) | ||
2115 | +{ | ||
2116 | + __inet_twsk_schedule(tw, timeo, true); | ||
2117 | +} | ||
2118 | + | ||
2119 | void inet_twsk_deschedule(struct inet_timewait_sock *tw); | ||
2120 | |||
2121 | void inet_twsk_purge(struct inet_hashinfo *hashinfo, | ||
2122 | diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c | ||
2123 | index 47dcd3aa6e23..141d562064a7 100644 | ||
2124 | --- a/kernel/bpf/verifier.c | ||
2125 | +++ b/kernel/bpf/verifier.c | ||
2126 | @@ -1019,6 +1019,16 @@ static int check_alu_op(struct reg_state *regs, struct bpf_insn *insn) | ||
2127 | return -EINVAL; | ||
2128 | } | ||
2129 | |||
2130 | + if ((opcode == BPF_LSH || opcode == BPF_RSH || | ||
2131 | + opcode == BPF_ARSH) && BPF_SRC(insn->code) == BPF_K) { | ||
2132 | + int size = BPF_CLASS(insn->code) == BPF_ALU64 ? 64 : 32; | ||
2133 | + | ||
2134 | + if (insn->imm < 0 || insn->imm >= size) { | ||
2135 | + verbose("invalid shift %d\n", insn->imm); | ||
2136 | + return -EINVAL; | ||
2137 | + } | ||
2138 | + } | ||
2139 | + | ||
2140 | /* pattern match 'bpf_add Rx, imm' instruction */ | ||
2141 | if (opcode == BPF_ADD && BPF_CLASS(insn->code) == BPF_ALU64 && | ||
2142 | regs[insn->dst_reg].type == FRAME_PTR && | ||
2143 | diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c | ||
2144 | index ac4b96eccade..bd3357e69c5c 100644 | ||
2145 | --- a/net/batman-adv/bridge_loop_avoidance.c | ||
2146 | +++ b/net/batman-adv/bridge_loop_avoidance.c | ||
2147 | @@ -112,21 +112,17 @@ batadv_backbone_gw_free_ref(struct batadv_bla_backbone_gw *backbone_gw) | ||
2148 | } | ||
2149 | |||
2150 | /* finally deinitialize the claim */ | ||
2151 | -static void batadv_claim_free_rcu(struct rcu_head *rcu) | ||
2152 | +static void batadv_claim_release(struct batadv_bla_claim *claim) | ||
2153 | { | ||
2154 | - struct batadv_bla_claim *claim; | ||
2155 | - | ||
2156 | - claim = container_of(rcu, struct batadv_bla_claim, rcu); | ||
2157 | - | ||
2158 | batadv_backbone_gw_free_ref(claim->backbone_gw); | ||
2159 | - kfree(claim); | ||
2160 | + kfree_rcu(claim, rcu); | ||
2161 | } | ||
2162 | |||
2163 | /* free a claim, call claim_free_rcu if its the last reference */ | ||
2164 | static void batadv_claim_free_ref(struct batadv_bla_claim *claim) | ||
2165 | { | ||
2166 | if (atomic_dec_and_test(&claim->refcount)) | ||
2167 | - call_rcu(&claim->rcu, batadv_claim_free_rcu); | ||
2168 | + batadv_claim_release(claim); | ||
2169 | } | ||
2170 | |||
2171 | /** | ||
2172 | diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h | ||
2173 | index 1918cd50b62e..b6bff9c1877a 100644 | ||
2174 | --- a/net/batman-adv/hard-interface.h | ||
2175 | +++ b/net/batman-adv/hard-interface.h | ||
2176 | @@ -64,18 +64,6 @@ batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface) | ||
2177 | call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu); | ||
2178 | } | ||
2179 | |||
2180 | -/** | ||
2181 | - * batadv_hardif_free_ref_now - decrement the hard interface refcounter and | ||
2182 | - * possibly free it (without rcu callback) | ||
2183 | - * @hard_iface: the hard interface to free | ||
2184 | - */ | ||
2185 | -static inline void | ||
2186 | -batadv_hardif_free_ref_now(struct batadv_hard_iface *hard_iface) | ||
2187 | -{ | ||
2188 | - if (atomic_dec_and_test(&hard_iface->refcount)) | ||
2189 | - batadv_hardif_free_rcu(&hard_iface->rcu); | ||
2190 | -} | ||
2191 | - | ||
2192 | static inline struct batadv_hard_iface * | ||
2193 | batadv_primary_if_get_selected(struct batadv_priv *bat_priv) | ||
2194 | { | ||
2195 | diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c | ||
2196 | index a449195c5b2b..2fbd3a6bde9a 100644 | ||
2197 | --- a/net/batman-adv/network-coding.c | ||
2198 | +++ b/net/batman-adv/network-coding.c | ||
2199 | @@ -175,28 +175,25 @@ void batadv_nc_init_orig(struct batadv_orig_node *orig_node) | ||
2200 | } | ||
2201 | |||
2202 | /** | ||
2203 | - * batadv_nc_node_free_rcu - rcu callback to free an nc node and remove | ||
2204 | - * its refcount on the orig_node | ||
2205 | - * @rcu: rcu pointer of the nc node | ||
2206 | + * batadv_nc_node_release - release nc_node from lists and queue for free after | ||
2207 | + * rcu grace period | ||
2208 | + * @nc_node: the nc node to free | ||
2209 | */ | ||
2210 | -static void batadv_nc_node_free_rcu(struct rcu_head *rcu) | ||
2211 | +static void batadv_nc_node_release(struct batadv_nc_node *nc_node) | ||
2212 | { | ||
2213 | - struct batadv_nc_node *nc_node; | ||
2214 | - | ||
2215 | - nc_node = container_of(rcu, struct batadv_nc_node, rcu); | ||
2216 | batadv_orig_node_free_ref(nc_node->orig_node); | ||
2217 | - kfree(nc_node); | ||
2218 | + kfree_rcu(nc_node, rcu); | ||
2219 | } | ||
2220 | |||
2221 | /** | ||
2222 | - * batadv_nc_node_free_ref - decrements the nc node refcounter and possibly | ||
2223 | - * frees it | ||
2224 | + * batadv_nc_node_free_ref - decrement the nc node refcounter and possibly | ||
2225 | + * release it | ||
2226 | * @nc_node: the nc node to free | ||
2227 | */ | ||
2228 | static void batadv_nc_node_free_ref(struct batadv_nc_node *nc_node) | ||
2229 | { | ||
2230 | if (atomic_dec_and_test(&nc_node->refcount)) | ||
2231 | - call_rcu(&nc_node->rcu, batadv_nc_node_free_rcu); | ||
2232 | + batadv_nc_node_release(nc_node); | ||
2233 | } | ||
2234 | |||
2235 | /** | ||
2236 | diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c | ||
2237 | index dfae97408628..77ea1d4de2ba 100644 | ||
2238 | --- a/net/batman-adv/originator.c | ||
2239 | +++ b/net/batman-adv/originator.c | ||
2240 | @@ -150,86 +150,58 @@ err: | ||
2241 | } | ||
2242 | |||
2243 | /** | ||
2244 | - * batadv_neigh_ifinfo_free_rcu - free the neigh_ifinfo object | ||
2245 | - * @rcu: rcu pointer of the neigh_ifinfo object | ||
2246 | - */ | ||
2247 | -static void batadv_neigh_ifinfo_free_rcu(struct rcu_head *rcu) | ||
2248 | -{ | ||
2249 | - struct batadv_neigh_ifinfo *neigh_ifinfo; | ||
2250 | - | ||
2251 | - neigh_ifinfo = container_of(rcu, struct batadv_neigh_ifinfo, rcu); | ||
2252 | - | ||
2253 | - if (neigh_ifinfo->if_outgoing != BATADV_IF_DEFAULT) | ||
2254 | - batadv_hardif_free_ref_now(neigh_ifinfo->if_outgoing); | ||
2255 | - | ||
2256 | - kfree(neigh_ifinfo); | ||
2257 | -} | ||
2258 | - | ||
2259 | -/** | ||
2260 | - * batadv_neigh_ifinfo_free_now - decrement the refcounter and possibly free | ||
2261 | - * the neigh_ifinfo (without rcu callback) | ||
2262 | + * batadv_neigh_ifinfo_release - release neigh_ifinfo from lists and queue for | ||
2263 | + * free after rcu grace period | ||
2264 | * @neigh_ifinfo: the neigh_ifinfo object to release | ||
2265 | */ | ||
2266 | static void | ||
2267 | -batadv_neigh_ifinfo_free_ref_now(struct batadv_neigh_ifinfo *neigh_ifinfo) | ||
2268 | +batadv_neigh_ifinfo_release(struct batadv_neigh_ifinfo *neigh_ifinfo) | ||
2269 | { | ||
2270 | - if (atomic_dec_and_test(&neigh_ifinfo->refcount)) | ||
2271 | - batadv_neigh_ifinfo_free_rcu(&neigh_ifinfo->rcu); | ||
2272 | + if (neigh_ifinfo->if_outgoing != BATADV_IF_DEFAULT) | ||
2273 | + batadv_hardif_free_ref(neigh_ifinfo->if_outgoing); | ||
2274 | + | ||
2275 | + kfree_rcu(neigh_ifinfo, rcu); | ||
2276 | } | ||
2277 | |||
2278 | /** | ||
2279 | - * batadv_neigh_ifinfo_free_ref - decrement the refcounter and possibly free | ||
2280 | + * batadv_neigh_ifinfo_free_ref - decrement the refcounter and possibly release | ||
2281 | * the neigh_ifinfo | ||
2282 | * @neigh_ifinfo: the neigh_ifinfo object to release | ||
2283 | */ | ||
2284 | void batadv_neigh_ifinfo_free_ref(struct batadv_neigh_ifinfo *neigh_ifinfo) | ||
2285 | { | ||
2286 | if (atomic_dec_and_test(&neigh_ifinfo->refcount)) | ||
2287 | - call_rcu(&neigh_ifinfo->rcu, batadv_neigh_ifinfo_free_rcu); | ||
2288 | + batadv_neigh_ifinfo_release(neigh_ifinfo); | ||
2289 | } | ||
2290 | |||
2291 | /** | ||
2292 | - * batadv_neigh_node_free_rcu - free the neigh_node | ||
2293 | - * @rcu: rcu pointer of the neigh_node | ||
2294 | + * batadv_neigh_node_release - release neigh_node from lists and queue for | ||
2295 | + * free after rcu grace period | ||
2296 | + * @neigh_node: neigh neighbor to free | ||
2297 | */ | ||
2298 | -static void batadv_neigh_node_free_rcu(struct rcu_head *rcu) | ||
2299 | +static void batadv_neigh_node_release(struct batadv_neigh_node *neigh_node) | ||
2300 | { | ||
2301 | struct hlist_node *node_tmp; | ||
2302 | - struct batadv_neigh_node *neigh_node; | ||
2303 | struct batadv_neigh_ifinfo *neigh_ifinfo; | ||
2304 | |||
2305 | - neigh_node = container_of(rcu, struct batadv_neigh_node, rcu); | ||
2306 | - | ||
2307 | hlist_for_each_entry_safe(neigh_ifinfo, node_tmp, | ||
2308 | &neigh_node->ifinfo_list, list) { | ||
2309 | - batadv_neigh_ifinfo_free_ref_now(neigh_ifinfo); | ||
2310 | + batadv_neigh_ifinfo_free_ref(neigh_ifinfo); | ||
2311 | } | ||
2312 | - batadv_hardif_free_ref_now(neigh_node->if_incoming); | ||
2313 | + batadv_hardif_free_ref(neigh_node->if_incoming); | ||
2314 | |||
2315 | - kfree(neigh_node); | ||
2316 | -} | ||
2317 | - | ||
2318 | -/** | ||
2319 | - * batadv_neigh_node_free_ref_now - decrement the neighbors refcounter | ||
2320 | - * and possibly free it (without rcu callback) | ||
2321 | - * @neigh_node: neigh neighbor to free | ||
2322 | - */ | ||
2323 | -static void | ||
2324 | -batadv_neigh_node_free_ref_now(struct batadv_neigh_node *neigh_node) | ||
2325 | -{ | ||
2326 | - if (atomic_dec_and_test(&neigh_node->refcount)) | ||
2327 | - batadv_neigh_node_free_rcu(&neigh_node->rcu); | ||
2328 | + kfree_rcu(neigh_node, rcu); | ||
2329 | } | ||
2330 | |||
2331 | /** | ||
2332 | * batadv_neigh_node_free_ref - decrement the neighbors refcounter | ||
2333 | - * and possibly free it | ||
2334 | + * and possibly release it | ||
2335 | * @neigh_node: neigh neighbor to free | ||
2336 | */ | ||
2337 | void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node) | ||
2338 | { | ||
2339 | if (atomic_dec_and_test(&neigh_node->refcount)) | ||
2340 | - call_rcu(&neigh_node->rcu, batadv_neigh_node_free_rcu); | ||
2341 | + batadv_neigh_node_release(neigh_node); | ||
2342 | } | ||
2343 | |||
2344 | /** | ||
2345 | @@ -495,108 +467,99 @@ batadv_neigh_node_get(const struct batadv_orig_node *orig_node, | ||
2346 | } | ||
2347 | |||
2348 | /** | ||
2349 | - * batadv_orig_ifinfo_free_rcu - free the orig_ifinfo object | ||
2350 | - * @rcu: rcu pointer of the orig_ifinfo object | ||
2351 | + * batadv_orig_ifinfo_release - release orig_ifinfo from lists and queue for | ||
2352 | + * free after rcu grace period | ||
2353 | + * @orig_ifinfo: the orig_ifinfo object to release | ||
2354 | */ | ||
2355 | -static void batadv_orig_ifinfo_free_rcu(struct rcu_head *rcu) | ||
2356 | +static void batadv_orig_ifinfo_release(struct batadv_orig_ifinfo *orig_ifinfo) | ||
2357 | { | ||
2358 | - struct batadv_orig_ifinfo *orig_ifinfo; | ||
2359 | struct batadv_neigh_node *router; | ||
2360 | |||
2361 | - orig_ifinfo = container_of(rcu, struct batadv_orig_ifinfo, rcu); | ||
2362 | - | ||
2363 | if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT) | ||
2364 | - batadv_hardif_free_ref_now(orig_ifinfo->if_outgoing); | ||
2365 | + batadv_hardif_free_ref(orig_ifinfo->if_outgoing); | ||
2366 | |||
2367 | /* this is the last reference to this object */ | ||
2368 | router = rcu_dereference_protected(orig_ifinfo->router, true); | ||
2369 | if (router) | ||
2370 | - batadv_neigh_node_free_ref_now(router); | ||
2371 | - kfree(orig_ifinfo); | ||
2372 | + batadv_neigh_node_free_ref(router); | ||
2373 | + | ||
2374 | + kfree_rcu(orig_ifinfo, rcu); | ||
2375 | } | ||
2376 | |||
2377 | /** | ||
2378 | - * batadv_orig_ifinfo_free_ref - decrement the refcounter and possibly free | ||
2379 | - * the orig_ifinfo (without rcu callback) | ||
2380 | + * batadv_orig_ifinfo_free_ref - decrement the refcounter and possibly release | ||
2381 | + * the orig_ifinfo | ||
2382 | * @orig_ifinfo: the orig_ifinfo object to release | ||
2383 | */ | ||
2384 | -static void | ||
2385 | -batadv_orig_ifinfo_free_ref_now(struct batadv_orig_ifinfo *orig_ifinfo) | ||
2386 | +void batadv_orig_ifinfo_free_ref(struct batadv_orig_ifinfo *orig_ifinfo) | ||
2387 | { | ||
2388 | if (atomic_dec_and_test(&orig_ifinfo->refcount)) | ||
2389 | - batadv_orig_ifinfo_free_rcu(&orig_ifinfo->rcu); | ||
2390 | + batadv_orig_ifinfo_release(orig_ifinfo); | ||
2391 | } | ||
2392 | |||
2393 | /** | ||
2394 | - * batadv_orig_ifinfo_free_ref - decrement the refcounter and possibly free | ||
2395 | - * the orig_ifinfo | ||
2396 | - * @orig_ifinfo: the orig_ifinfo object to release | ||
2397 | + * batadv_orig_node_free_rcu - free the orig_node | ||
2398 | + * @rcu: rcu pointer of the orig_node | ||
2399 | */ | ||
2400 | -void batadv_orig_ifinfo_free_ref(struct batadv_orig_ifinfo *orig_ifinfo) | ||
2401 | +static void batadv_orig_node_free_rcu(struct rcu_head *rcu) | ||
2402 | { | ||
2403 | - if (atomic_dec_and_test(&orig_ifinfo->refcount)) | ||
2404 | - call_rcu(&orig_ifinfo->rcu, batadv_orig_ifinfo_free_rcu); | ||
2405 | + struct batadv_orig_node *orig_node; | ||
2406 | + | ||
2407 | + orig_node = container_of(rcu, struct batadv_orig_node, rcu); | ||
2408 | + | ||
2409 | + batadv_mcast_purge_orig(orig_node); | ||
2410 | + | ||
2411 | + batadv_frag_purge_orig(orig_node, NULL); | ||
2412 | + | ||
2413 | + if (orig_node->bat_priv->bat_algo_ops->bat_orig_free) | ||
2414 | + orig_node->bat_priv->bat_algo_ops->bat_orig_free(orig_node); | ||
2415 | + | ||
2416 | + kfree(orig_node->tt_buff); | ||
2417 | + kfree(orig_node); | ||
2418 | } | ||
2419 | |||
2420 | -static void batadv_orig_node_free_rcu(struct rcu_head *rcu) | ||
2421 | +/** | ||
2422 | + * batadv_orig_node_release - release orig_node from lists and queue for | ||
2423 | + * free after rcu grace period | ||
2424 | + * @orig_node: the orig node to free | ||
2425 | + */ | ||
2426 | +static void batadv_orig_node_release(struct batadv_orig_node *orig_node) | ||
2427 | { | ||
2428 | struct hlist_node *node_tmp; | ||
2429 | struct batadv_neigh_node *neigh_node; | ||
2430 | - struct batadv_orig_node *orig_node; | ||
2431 | struct batadv_orig_ifinfo *orig_ifinfo; | ||
2432 | |||
2433 | - orig_node = container_of(rcu, struct batadv_orig_node, rcu); | ||
2434 | - | ||
2435 | spin_lock_bh(&orig_node->neigh_list_lock); | ||
2436 | |||
2437 | /* for all neighbors towards this originator ... */ | ||
2438 | hlist_for_each_entry_safe(neigh_node, node_tmp, | ||
2439 | &orig_node->neigh_list, list) { | ||
2440 | hlist_del_rcu(&neigh_node->list); | ||
2441 | - batadv_neigh_node_free_ref_now(neigh_node); | ||
2442 | + batadv_neigh_node_free_ref(neigh_node); | ||
2443 | } | ||
2444 | |||
2445 | hlist_for_each_entry_safe(orig_ifinfo, node_tmp, | ||
2446 | &orig_node->ifinfo_list, list) { | ||
2447 | hlist_del_rcu(&orig_ifinfo->list); | ||
2448 | - batadv_orig_ifinfo_free_ref_now(orig_ifinfo); | ||
2449 | + batadv_orig_ifinfo_free_ref(orig_ifinfo); | ||
2450 | } | ||
2451 | spin_unlock_bh(&orig_node->neigh_list_lock); | ||
2452 | |||
2453 | - batadv_mcast_purge_orig(orig_node); | ||
2454 | - | ||
2455 | /* Free nc_nodes */ | ||
2456 | batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL); | ||
2457 | |||
2458 | - batadv_frag_purge_orig(orig_node, NULL); | ||
2459 | - | ||
2460 | - if (orig_node->bat_priv->bat_algo_ops->bat_orig_free) | ||
2461 | - orig_node->bat_priv->bat_algo_ops->bat_orig_free(orig_node); | ||
2462 | - | ||
2463 | - kfree(orig_node->tt_buff); | ||
2464 | - kfree(orig_node); | ||
2465 | + call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu); | ||
2466 | } | ||
2467 | |||
2468 | /** | ||
2469 | * batadv_orig_node_free_ref - decrement the orig node refcounter and possibly | ||
2470 | - * schedule an rcu callback for freeing it | ||
2471 | + * release it | ||
2472 | * @orig_node: the orig node to free | ||
2473 | */ | ||
2474 | void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node) | ||
2475 | { | ||
2476 | if (atomic_dec_and_test(&orig_node->refcount)) | ||
2477 | - call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu); | ||
2478 | -} | ||
2479 | - | ||
2480 | -/** | ||
2481 | - * batadv_orig_node_free_ref_now - decrement the orig node refcounter and | ||
2482 | - * possibly free it (without rcu callback) | ||
2483 | - * @orig_node: the orig node to free | ||
2484 | - */ | ||
2485 | -void batadv_orig_node_free_ref_now(struct batadv_orig_node *orig_node) | ||
2486 | -{ | ||
2487 | - if (atomic_dec_and_test(&orig_node->refcount)) | ||
2488 | - batadv_orig_node_free_rcu(&orig_node->rcu); | ||
2489 | + batadv_orig_node_release(orig_node); | ||
2490 | } | ||
2491 | |||
2492 | void batadv_originator_free(struct batadv_priv *bat_priv) | ||
2493 | diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h | ||
2494 | index aa4a43696295..28b751ad549c 100644 | ||
2495 | --- a/net/batman-adv/originator.h | ||
2496 | +++ b/net/batman-adv/originator.h | ||
2497 | @@ -25,7 +25,6 @@ int batadv_originator_init(struct batadv_priv *bat_priv); | ||
2498 | void batadv_originator_free(struct batadv_priv *bat_priv); | ||
2499 | void batadv_purge_orig_ref(struct batadv_priv *bat_priv); | ||
2500 | void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node); | ||
2501 | -void batadv_orig_node_free_ref_now(struct batadv_orig_node *orig_node); | ||
2502 | struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv, | ||
2503 | const uint8_t *addr); | ||
2504 | struct batadv_neigh_node * | ||
2505 | diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c | ||
2506 | index 4f2a9d2c56db..ddd62c9af5b4 100644 | ||
2507 | --- a/net/batman-adv/translation-table.c | ||
2508 | +++ b/net/batman-adv/translation-table.c | ||
2509 | @@ -219,20 +219,6 @@ int batadv_tt_global_hash_count(struct batadv_priv *bat_priv, | ||
2510 | return count; | ||
2511 | } | ||
2512 | |||
2513 | -static void batadv_tt_orig_list_entry_free_rcu(struct rcu_head *rcu) | ||
2514 | -{ | ||
2515 | - struct batadv_tt_orig_list_entry *orig_entry; | ||
2516 | - | ||
2517 | - orig_entry = container_of(rcu, struct batadv_tt_orig_list_entry, rcu); | ||
2518 | - | ||
2519 | - /* We are in an rcu callback here, therefore we cannot use | ||
2520 | - * batadv_orig_node_free_ref() and its call_rcu(): | ||
2521 | - * An rcu_barrier() wouldn't wait for that to finish | ||
2522 | - */ | ||
2523 | - batadv_orig_node_free_ref_now(orig_entry->orig_node); | ||
2524 | - kfree(orig_entry); | ||
2525 | -} | ||
2526 | - | ||
2527 | /** | ||
2528 | * batadv_tt_local_size_mod - change the size by v of the local table identified | ||
2529 | * by vid | ||
2530 | @@ -328,13 +314,25 @@ static void batadv_tt_global_size_dec(struct batadv_orig_node *orig_node, | ||
2531 | batadv_tt_global_size_mod(orig_node, vid, -1); | ||
2532 | } | ||
2533 | |||
2534 | +/** | ||
2535 | + * batadv_tt_orig_list_entry_release - release tt orig entry from lists and | ||
2536 | + * queue for free after rcu grace period | ||
2537 | + * @orig_entry: tt orig entry to be free'd | ||
2538 | + */ | ||
2539 | +static void | ||
2540 | +batadv_tt_orig_list_entry_release(struct batadv_tt_orig_list_entry *orig_entry) | ||
2541 | +{ | ||
2542 | + batadv_orig_node_free_ref(orig_entry->orig_node); | ||
2543 | + kfree_rcu(orig_entry, rcu); | ||
2544 | +} | ||
2545 | + | ||
2546 | static void | ||
2547 | batadv_tt_orig_list_entry_free_ref(struct batadv_tt_orig_list_entry *orig_entry) | ||
2548 | { | ||
2549 | if (!atomic_dec_and_test(&orig_entry->refcount)) | ||
2550 | return; | ||
2551 | |||
2552 | - call_rcu(&orig_entry->rcu, batadv_tt_orig_list_entry_free_rcu); | ||
2553 | + batadv_tt_orig_list_entry_release(orig_entry); | ||
2554 | } | ||
2555 | |||
2556 | /** | ||
2557 | diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c | ||
2558 | index 4ff77a16956c..3d6c8e222391 100644 | ||
2559 | --- a/net/bridge/br_device.c | ||
2560 | +++ b/net/bridge/br_device.c | ||
2561 | @@ -28,6 +28,8 @@ | ||
2562 | const struct nf_br_ops __rcu *nf_br_ops __read_mostly; | ||
2563 | EXPORT_SYMBOL_GPL(nf_br_ops); | ||
2564 | |||
2565 | +static struct lock_class_key bridge_netdev_addr_lock_key; | ||
2566 | + | ||
2567 | /* net device transmit always called with BH disabled */ | ||
2568 | netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) | ||
2569 | { | ||
2570 | @@ -87,6 +89,11 @@ out: | ||
2571 | return NETDEV_TX_OK; | ||
2572 | } | ||
2573 | |||
2574 | +static void br_set_lockdep_class(struct net_device *dev) | ||
2575 | +{ | ||
2576 | + lockdep_set_class(&dev->addr_list_lock, &bridge_netdev_addr_lock_key); | ||
2577 | +} | ||
2578 | + | ||
2579 | static int br_dev_init(struct net_device *dev) | ||
2580 | { | ||
2581 | struct net_bridge *br = netdev_priv(dev); | ||
2582 | @@ -99,6 +106,7 @@ static int br_dev_init(struct net_device *dev) | ||
2583 | err = br_vlan_init(br); | ||
2584 | if (err) | ||
2585 | free_percpu(br->stats); | ||
2586 | + br_set_lockdep_class(dev); | ||
2587 | |||
2588 | return err; | ||
2589 | } | ||
2590 | diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c | ||
2591 | index 7832d07f48f6..ce658abdc2c8 100644 | ||
2592 | --- a/net/bridge/br_stp_if.c | ||
2593 | +++ b/net/bridge/br_stp_if.c | ||
2594 | @@ -128,7 +128,10 @@ static void br_stp_start(struct net_bridge *br) | ||
2595 | char *argv[] = { BR_STP_PROG, br->dev->name, "start", NULL }; | ||
2596 | char *envp[] = { NULL }; | ||
2597 | |||
2598 | - r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); | ||
2599 | + if (net_eq(dev_net(br->dev), &init_net)) | ||
2600 | + r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); | ||
2601 | + else | ||
2602 | + r = -ENOENT; | ||
2603 | |||
2604 | spin_lock_bh(&br->lock); | ||
2605 | |||
2606 | diff --git a/net/core/dev.c b/net/core/dev.c | ||
2607 | index a42b232805a5..185a3398c651 100644 | ||
2608 | --- a/net/core/dev.c | ||
2609 | +++ b/net/core/dev.c | ||
2610 | @@ -2479,6 +2479,8 @@ static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path) | ||
2611 | * | ||
2612 | * It may return NULL if the skb requires no segmentation. This is | ||
2613 | * only possible when GSO is used for verifying header integrity. | ||
2614 | + * | ||
2615 | + * Segmentation preserves SKB_SGO_CB_OFFSET bytes of previous skb cb. | ||
2616 | */ | ||
2617 | struct sk_buff *__skb_gso_segment(struct sk_buff *skb, | ||
2618 | netdev_features_t features, bool tx_path) | ||
2619 | @@ -2493,6 +2495,9 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb, | ||
2620 | return ERR_PTR(err); | ||
2621 | } | ||
2622 | |||
2623 | + BUILD_BUG_ON(SKB_SGO_CB_OFFSET + | ||
2624 | + sizeof(*SKB_GSO_CB(skb)) > sizeof(skb->cb)); | ||
2625 | + | ||
2626 | SKB_GSO_CB(skb)->mac_offset = skb_headroom(skb); | ||
2627 | SKB_GSO_CB(skb)->encap_level = 0; | ||
2628 | |||
2629 | diff --git a/net/core/dst.c b/net/core/dst.c | ||
2630 | index f8db4032d45a..540066cb33ef 100644 | ||
2631 | --- a/net/core/dst.c | ||
2632 | +++ b/net/core/dst.c | ||
2633 | @@ -282,10 +282,11 @@ void dst_release(struct dst_entry *dst) | ||
2634 | { | ||
2635 | if (dst) { | ||
2636 | int newrefcnt; | ||
2637 | + unsigned short nocache = dst->flags & DST_NOCACHE; | ||
2638 | |||
2639 | newrefcnt = atomic_dec_return(&dst->__refcnt); | ||
2640 | WARN_ON(newrefcnt < 0); | ||
2641 | - if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE)) | ||
2642 | + if (!newrefcnt && unlikely(nocache)) | ||
2643 | call_rcu(&dst->rcu_head, dst_destroy_rcu); | ||
2644 | } | ||
2645 | } | ||
2646 | diff --git a/net/core/filter.c b/net/core/filter.c | ||
2647 | index 0fa2613b5e35..238bb3f9c51d 100644 | ||
2648 | --- a/net/core/filter.c | ||
2649 | +++ b/net/core/filter.c | ||
2650 | @@ -775,6 +775,11 @@ int bpf_check_classic(const struct sock_filter *filter, unsigned int flen) | ||
2651 | if (ftest->k == 0) | ||
2652 | return -EINVAL; | ||
2653 | break; | ||
2654 | + case BPF_ALU | BPF_LSH | BPF_K: | ||
2655 | + case BPF_ALU | BPF_RSH | BPF_K: | ||
2656 | + if (ftest->k >= 32) | ||
2657 | + return -EINVAL; | ||
2658 | + break; | ||
2659 | case BPF_LD | BPF_MEM: | ||
2660 | case BPF_LDX | BPF_MEM: | ||
2661 | case BPF_ST: | ||
2662 | diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c | ||
2663 | index 30addee2dd03..838f524cf11a 100644 | ||
2664 | --- a/net/dccp/minisocks.c | ||
2665 | +++ b/net/dccp/minisocks.c | ||
2666 | @@ -48,8 +48,6 @@ void dccp_time_wait(struct sock *sk, int state, int timeo) | ||
2667 | tw->tw_ipv6only = sk->sk_ipv6only; | ||
2668 | } | ||
2669 | #endif | ||
2670 | - /* Linkage updates. */ | ||
2671 | - __inet_twsk_hashdance(tw, sk, &dccp_hashinfo); | ||
2672 | |||
2673 | /* Get the TIME_WAIT timeout firing. */ | ||
2674 | if (timeo < rto) | ||
2675 | @@ -60,6 +58,8 @@ void dccp_time_wait(struct sock *sk, int state, int timeo) | ||
2676 | timeo = DCCP_TIMEWAIT_LEN; | ||
2677 | |||
2678 | inet_twsk_schedule(tw, timeo); | ||
2679 | + /* Linkage updates. */ | ||
2680 | + __inet_twsk_hashdance(tw, sk, &dccp_hashinfo); | ||
2681 | inet_twsk_put(tw); | ||
2682 | } else { | ||
2683 | /* Sorry, if we're out of memory, just CLOSE this | ||
2684 | diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c | ||
2685 | index 00ec8d5d7e7e..bb96c1c4edd6 100644 | ||
2686 | --- a/net/ipv4/inet_timewait_sock.c | ||
2687 | +++ b/net/ipv4/inet_timewait_sock.c | ||
2688 | @@ -153,13 +153,15 @@ void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk, | ||
2689 | /* | ||
2690 | * Step 2: Hash TW into tcp ehash chain. | ||
2691 | * Notes : | ||
2692 | - * - tw_refcnt is set to 3 because : | ||
2693 | + * - tw_refcnt is set to 4 because : | ||
2694 | * - We have one reference from bhash chain. | ||
2695 | * - We have one reference from ehash chain. | ||
2696 | + * - We have one reference from timer. | ||
2697 | + * - One reference for ourself (our caller will release it). | ||
2698 | * We can use atomic_set() because prior spin_lock()/spin_unlock() | ||
2699 | * committed into memory all tw fields. | ||
2700 | */ | ||
2701 | - atomic_set(&tw->tw_refcnt, 1 + 1 + 1); | ||
2702 | + atomic_set(&tw->tw_refcnt, 4); | ||
2703 | inet_twsk_add_node_rcu(tw, &ehead->chain); | ||
2704 | |||
2705 | /* Step 3: Remove SK from hash chain */ | ||
2706 | @@ -243,7 +245,7 @@ void inet_twsk_deschedule(struct inet_timewait_sock *tw) | ||
2707 | } | ||
2708 | EXPORT_SYMBOL(inet_twsk_deschedule); | ||
2709 | |||
2710 | -void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo) | ||
2711 | +void __inet_twsk_schedule(struct inet_timewait_sock *tw, int timeo, bool rearm) | ||
2712 | { | ||
2713 | /* timeout := RTO * 3.5 | ||
2714 | * | ||
2715 | @@ -271,12 +273,14 @@ void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo) | ||
2716 | */ | ||
2717 | |||
2718 | tw->tw_kill = timeo <= 4*HZ; | ||
2719 | - if (!mod_timer_pinned(&tw->tw_timer, jiffies + timeo)) { | ||
2720 | - atomic_inc(&tw->tw_refcnt); | ||
2721 | + if (!rearm) { | ||
2722 | + BUG_ON(mod_timer_pinned(&tw->tw_timer, jiffies + timeo)); | ||
2723 | atomic_inc(&tw->tw_dr->tw_count); | ||
2724 | + } else { | ||
2725 | + mod_timer_pending(&tw->tw_timer, jiffies + timeo); | ||
2726 | } | ||
2727 | } | ||
2728 | -EXPORT_SYMBOL_GPL(inet_twsk_schedule); | ||
2729 | +EXPORT_SYMBOL_GPL(__inet_twsk_schedule); | ||
2730 | |||
2731 | void inet_twsk_purge(struct inet_hashinfo *hashinfo, | ||
2732 | struct inet_timewait_death_row *twdr, int family) | ||
2733 | diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c | ||
2734 | index c65b93a7b711..51573f8a39bc 100644 | ||
2735 | --- a/net/ipv4/ip_output.c | ||
2736 | +++ b/net/ipv4/ip_output.c | ||
2737 | @@ -235,6 +235,7 @@ static int ip_finish_output_gso(struct sock *sk, struct sk_buff *skb) | ||
2738 | * from host network stack. | ||
2739 | */ | ||
2740 | features = netif_skb_features(skb); | ||
2741 | + BUILD_BUG_ON(sizeof(*IPCB(skb)) > SKB_SGO_CB_OFFSET); | ||
2742 | segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); | ||
2743 | if (IS_ERR_OR_NULL(segs)) { | ||
2744 | kfree_skb(skb); | ||
2745 | @@ -893,7 +894,7 @@ static int __ip_append_data(struct sock *sk, | ||
2746 | if (((length > mtu) || (skb && skb_is_gso(skb))) && | ||
2747 | (sk->sk_protocol == IPPROTO_UDP) && | ||
2748 | (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len && | ||
2749 | - (sk->sk_type == SOCK_DGRAM)) { | ||
2750 | + (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) { | ||
2751 | err = ip_ufo_append_data(sk, queue, getfrag, from, length, | ||
2752 | hh_len, fragheaderlen, transhdrlen, | ||
2753 | maxfraglen, flags); | ||
2754 | diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c | ||
2755 | index 17e7339ee5ca..fec2907b85e8 100644 | ||
2756 | --- a/net/ipv4/tcp_minisocks.c | ||
2757 | +++ b/net/ipv4/tcp_minisocks.c | ||
2758 | @@ -163,9 +163,9 @@ kill_with_rst: | ||
2759 | if (tcp_death_row.sysctl_tw_recycle && | ||
2760 | tcptw->tw_ts_recent_stamp && | ||
2761 | tcp_tw_remember_stamp(tw)) | ||
2762 | - inet_twsk_schedule(tw, tw->tw_timeout); | ||
2763 | + inet_twsk_reschedule(tw, tw->tw_timeout); | ||
2764 | else | ||
2765 | - inet_twsk_schedule(tw, TCP_TIMEWAIT_LEN); | ||
2766 | + inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN); | ||
2767 | return TCP_TW_ACK; | ||
2768 | } | ||
2769 | |||
2770 | @@ -203,7 +203,7 @@ kill: | ||
2771 | return TCP_TW_SUCCESS; | ||
2772 | } | ||
2773 | } | ||
2774 | - inet_twsk_schedule(tw, TCP_TIMEWAIT_LEN); | ||
2775 | + inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN); | ||
2776 | |||
2777 | if (tmp_opt.saw_tstamp) { | ||
2778 | tcptw->tw_ts_recent = tmp_opt.rcv_tsval; | ||
2779 | @@ -253,7 +253,7 @@ kill: | ||
2780 | * Do not reschedule in the last case. | ||
2781 | */ | ||
2782 | if (paws_reject || th->ack) | ||
2783 | - inet_twsk_schedule(tw, TCP_TIMEWAIT_LEN); | ||
2784 | + inet_twsk_reschedule(tw, TCP_TIMEWAIT_LEN); | ||
2785 | |||
2786 | return tcp_timewait_check_oow_rate_limit( | ||
2787 | tw, skb, LINUX_MIB_TCPACKSKIPPEDTIMEWAIT); | ||
2788 | @@ -324,9 +324,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) | ||
2789 | } while (0); | ||
2790 | #endif | ||
2791 | |||
2792 | - /* Linkage updates. */ | ||
2793 | - __inet_twsk_hashdance(tw, sk, &tcp_hashinfo); | ||
2794 | - | ||
2795 | /* Get the TIME_WAIT timeout firing. */ | ||
2796 | if (timeo < rto) | ||
2797 | timeo = rto; | ||
2798 | @@ -340,6 +337,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) | ||
2799 | } | ||
2800 | |||
2801 | inet_twsk_schedule(tw, timeo); | ||
2802 | + /* Linkage updates. */ | ||
2803 | + __inet_twsk_hashdance(tw, sk, &tcp_hashinfo); | ||
2804 | inet_twsk_put(tw); | ||
2805 | } else { | ||
2806 | /* Sorry, if we're out of memory, just CLOSE this | ||
2807 | diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c | ||
2808 | index 17d35662930d..3e6a472e6b88 100644 | ||
2809 | --- a/net/ipv4/tcp_yeah.c | ||
2810 | +++ b/net/ipv4/tcp_yeah.c | ||
2811 | @@ -219,7 +219,7 @@ static u32 tcp_yeah_ssthresh(struct sock *sk) | ||
2812 | yeah->fast_count = 0; | ||
2813 | yeah->reno_count = max(yeah->reno_count>>1, 2U); | ||
2814 | |||
2815 | - return tp->snd_cwnd - reduction; | ||
2816 | + return max_t(int, tp->snd_cwnd - reduction, 2); | ||
2817 | } | ||
2818 | |||
2819 | static struct tcp_congestion_ops tcp_yeah __read_mostly = { | ||
2820 | diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c | ||
2821 | index bff69746e05f..78526087126d 100644 | ||
2822 | --- a/net/ipv4/xfrm4_policy.c | ||
2823 | +++ b/net/ipv4/xfrm4_policy.c | ||
2824 | @@ -230,7 +230,7 @@ static void xfrm4_dst_ifdown(struct dst_entry *dst, struct net_device *dev, | ||
2825 | xfrm_dst_ifdown(dst, dev); | ||
2826 | } | ||
2827 | |||
2828 | -static struct dst_ops xfrm4_dst_ops = { | ||
2829 | +static struct dst_ops xfrm4_dst_ops_template = { | ||
2830 | .family = AF_INET, | ||
2831 | .gc = xfrm4_garbage_collect, | ||
2832 | .update_pmtu = xfrm4_update_pmtu, | ||
2833 | @@ -244,7 +244,7 @@ static struct dst_ops xfrm4_dst_ops = { | ||
2834 | |||
2835 | static struct xfrm_policy_afinfo xfrm4_policy_afinfo = { | ||
2836 | .family = AF_INET, | ||
2837 | - .dst_ops = &xfrm4_dst_ops, | ||
2838 | + .dst_ops = &xfrm4_dst_ops_template, | ||
2839 | .dst_lookup = xfrm4_dst_lookup, | ||
2840 | .get_saddr = xfrm4_get_saddr, | ||
2841 | .decode_session = _decode_session4, | ||
2842 | @@ -266,7 +266,7 @@ static struct ctl_table xfrm4_policy_table[] = { | ||
2843 | { } | ||
2844 | }; | ||
2845 | |||
2846 | -static int __net_init xfrm4_net_init(struct net *net) | ||
2847 | +static int __net_init xfrm4_net_sysctl_init(struct net *net) | ||
2848 | { | ||
2849 | struct ctl_table *table; | ||
2850 | struct ctl_table_header *hdr; | ||
2851 | @@ -294,7 +294,7 @@ err_alloc: | ||
2852 | return -ENOMEM; | ||
2853 | } | ||
2854 | |||
2855 | -static void __net_exit xfrm4_net_exit(struct net *net) | ||
2856 | +static void __net_exit xfrm4_net_sysctl_exit(struct net *net) | ||
2857 | { | ||
2858 | struct ctl_table *table; | ||
2859 | |||
2860 | @@ -306,12 +306,44 @@ static void __net_exit xfrm4_net_exit(struct net *net) | ||
2861 | if (!net_eq(net, &init_net)) | ||
2862 | kfree(table); | ||
2863 | } | ||
2864 | +#else /* CONFIG_SYSCTL */ | ||
2865 | +static int inline xfrm4_net_sysctl_init(struct net *net) | ||
2866 | +{ | ||
2867 | + return 0; | ||
2868 | +} | ||
2869 | + | ||
2870 | +static void inline xfrm4_net_sysctl_exit(struct net *net) | ||
2871 | +{ | ||
2872 | +} | ||
2873 | +#endif | ||
2874 | + | ||
2875 | +static int __net_init xfrm4_net_init(struct net *net) | ||
2876 | +{ | ||
2877 | + int ret; | ||
2878 | + | ||
2879 | + memcpy(&net->xfrm.xfrm4_dst_ops, &xfrm4_dst_ops_template, | ||
2880 | + sizeof(xfrm4_dst_ops_template)); | ||
2881 | + ret = dst_entries_init(&net->xfrm.xfrm4_dst_ops); | ||
2882 | + if (ret) | ||
2883 | + return ret; | ||
2884 | + | ||
2885 | + ret = xfrm4_net_sysctl_init(net); | ||
2886 | + if (ret) | ||
2887 | + dst_entries_destroy(&net->xfrm.xfrm4_dst_ops); | ||
2888 | + | ||
2889 | + return ret; | ||
2890 | +} | ||
2891 | + | ||
2892 | +static void __net_exit xfrm4_net_exit(struct net *net) | ||
2893 | +{ | ||
2894 | + xfrm4_net_sysctl_exit(net); | ||
2895 | + dst_entries_destroy(&net->xfrm.xfrm4_dst_ops); | ||
2896 | +} | ||
2897 | |||
2898 | static struct pernet_operations __net_initdata xfrm4_net_ops = { | ||
2899 | .init = xfrm4_net_init, | ||
2900 | .exit = xfrm4_net_exit, | ||
2901 | }; | ||
2902 | -#endif | ||
2903 | |||
2904 | static void __init xfrm4_policy_init(void) | ||
2905 | { | ||
2906 | @@ -320,13 +352,9 @@ static void __init xfrm4_policy_init(void) | ||
2907 | |||
2908 | void __init xfrm4_init(void) | ||
2909 | { | ||
2910 | - dst_entries_init(&xfrm4_dst_ops); | ||
2911 | - | ||
2912 | xfrm4_state_init(); | ||
2913 | xfrm4_policy_init(); | ||
2914 | xfrm4_protocol_init(); | ||
2915 | -#ifdef CONFIG_SYSCTL | ||
2916 | register_pernet_subsys(&xfrm4_net_ops); | ||
2917 | -#endif | ||
2918 | } | ||
2919 | |||
2920 | diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c | ||
2921 | index a2d685030a34..f4795b0d6e6e 100644 | ||
2922 | --- a/net/ipv6/addrconf.c | ||
2923 | +++ b/net/ipv6/addrconf.c | ||
2924 | @@ -5267,13 +5267,10 @@ static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write, | ||
2925 | goto out; | ||
2926 | } | ||
2927 | |||
2928 | - if (!write) { | ||
2929 | - err = snprintf(str, sizeof(str), "%pI6", | ||
2930 | - &secret->secret); | ||
2931 | - if (err >= sizeof(str)) { | ||
2932 | - err = -EIO; | ||
2933 | - goto out; | ||
2934 | - } | ||
2935 | + err = snprintf(str, sizeof(str), "%pI6", &secret->secret); | ||
2936 | + if (err >= sizeof(str)) { | ||
2937 | + err = -EIO; | ||
2938 | + goto out; | ||
2939 | } | ||
2940 | |||
2941 | err = proc_dostring(&lctl, write, buffer, lenp, ppos); | ||
2942 | diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c | ||
2943 | index 882124ebb438..a8f6986dcbe5 100644 | ||
2944 | --- a/net/ipv6/addrlabel.c | ||
2945 | +++ b/net/ipv6/addrlabel.c | ||
2946 | @@ -552,7 +552,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr *nlh) | ||
2947 | |||
2948 | rcu_read_lock(); | ||
2949 | p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index); | ||
2950 | - if (p && ip6addrlbl_hold(p)) | ||
2951 | + if (p && !ip6addrlbl_hold(p)) | ||
2952 | p = NULL; | ||
2953 | lseq = ip6addrlbl_table.seq; | ||
2954 | rcu_read_unlock(); | ||
2955 | diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c | ||
2956 | index bc09cb97b840..f50228b0abe5 100644 | ||
2957 | --- a/net/ipv6/ip6_output.c | ||
2958 | +++ b/net/ipv6/ip6_output.c | ||
2959 | @@ -1329,7 +1329,7 @@ emsgsize: | ||
2960 | (skb && skb_is_gso(skb))) && | ||
2961 | (sk->sk_protocol == IPPROTO_UDP) && | ||
2962 | (rt->dst.dev->features & NETIF_F_UFO) && | ||
2963 | - (sk->sk_type == SOCK_DGRAM)) { | ||
2964 | + (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) { | ||
2965 | err = ip6_ufo_append_data(sk, queue, getfrag, from, length, | ||
2966 | hh_len, fragheaderlen, | ||
2967 | transhdrlen, mtu, flags, rt); | ||
2968 | diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c | ||
2969 | index c1938ad39f8c..c1147acbc8c4 100644 | ||
2970 | --- a/net/ipv6/tcp_ipv6.c | ||
2971 | +++ b/net/ipv6/tcp_ipv6.c | ||
2972 | @@ -465,8 +465,10 @@ static int tcp_v6_send_synack(struct sock *sk, struct dst_entry *dst, | ||
2973 | fl6->flowlabel = ip6_flowlabel(ipv6_hdr(ireq->pktopts)); | ||
2974 | |||
2975 | skb_set_queue_mapping(skb, queue_mapping); | ||
2976 | + rcu_read_lock(); | ||
2977 | err = ip6_xmit(sk, skb, fl6, rcu_dereference(np->opt), | ||
2978 | np->tclass); | ||
2979 | + rcu_read_unlock(); | ||
2980 | err = net_xmit_eval(err); | ||
2981 | } | ||
2982 | |||
2983 | diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c | ||
2984 | index 901ef6f8addc..5266ad2d6419 100644 | ||
2985 | --- a/net/ipv6/xfrm6_mode_tunnel.c | ||
2986 | +++ b/net/ipv6/xfrm6_mode_tunnel.c | ||
2987 | @@ -24,7 +24,7 @@ static inline void ipip6_ecn_decapsulate(struct sk_buff *skb) | ||
2988 | struct ipv6hdr *inner_iph = ipipv6_hdr(skb); | ||
2989 | |||
2990 | if (INET_ECN_is_ce(ipv6_get_dsfield(outer_iph))) | ||
2991 | - IP6_ECN_set_ce(inner_iph); | ||
2992 | + IP6_ECN_set_ce(skb, inner_iph); | ||
2993 | } | ||
2994 | |||
2995 | /* Add encapsulation header. | ||
2996 | diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c | ||
2997 | index f337a908a76a..4fb94f6ee15b 100644 | ||
2998 | --- a/net/ipv6/xfrm6_policy.c | ||
2999 | +++ b/net/ipv6/xfrm6_policy.c | ||
3000 | @@ -289,7 +289,7 @@ static void xfrm6_dst_ifdown(struct dst_entry *dst, struct net_device *dev, | ||
3001 | xfrm_dst_ifdown(dst, dev); | ||
3002 | } | ||
3003 | |||
3004 | -static struct dst_ops xfrm6_dst_ops = { | ||
3005 | +static struct dst_ops xfrm6_dst_ops_template = { | ||
3006 | .family = AF_INET6, | ||
3007 | .gc = xfrm6_garbage_collect, | ||
3008 | .update_pmtu = xfrm6_update_pmtu, | ||
3009 | @@ -303,7 +303,7 @@ static struct dst_ops xfrm6_dst_ops = { | ||
3010 | |||
3011 | static struct xfrm_policy_afinfo xfrm6_policy_afinfo = { | ||
3012 | .family = AF_INET6, | ||
3013 | - .dst_ops = &xfrm6_dst_ops, | ||
3014 | + .dst_ops = &xfrm6_dst_ops_template, | ||
3015 | .dst_lookup = xfrm6_dst_lookup, | ||
3016 | .get_saddr = xfrm6_get_saddr, | ||
3017 | .decode_session = _decode_session6, | ||
3018 | @@ -336,7 +336,7 @@ static struct ctl_table xfrm6_policy_table[] = { | ||
3019 | { } | ||
3020 | }; | ||
3021 | |||
3022 | -static int __net_init xfrm6_net_init(struct net *net) | ||
3023 | +static int __net_init xfrm6_net_sysctl_init(struct net *net) | ||
3024 | { | ||
3025 | struct ctl_table *table; | ||
3026 | struct ctl_table_header *hdr; | ||
3027 | @@ -364,7 +364,7 @@ err_alloc: | ||
3028 | return -ENOMEM; | ||
3029 | } | ||
3030 | |||
3031 | -static void __net_exit xfrm6_net_exit(struct net *net) | ||
3032 | +static void __net_exit xfrm6_net_sysctl_exit(struct net *net) | ||
3033 | { | ||
3034 | struct ctl_table *table; | ||
3035 | |||
3036 | @@ -376,24 +376,52 @@ static void __net_exit xfrm6_net_exit(struct net *net) | ||
3037 | if (!net_eq(net, &init_net)) | ||
3038 | kfree(table); | ||
3039 | } | ||
3040 | +#else /* CONFIG_SYSCTL */ | ||
3041 | +static int inline xfrm6_net_sysctl_init(struct net *net) | ||
3042 | +{ | ||
3043 | + return 0; | ||
3044 | +} | ||
3045 | + | ||
3046 | +static void inline xfrm6_net_sysctl_exit(struct net *net) | ||
3047 | +{ | ||
3048 | +} | ||
3049 | +#endif | ||
3050 | + | ||
3051 | +static int __net_init xfrm6_net_init(struct net *net) | ||
3052 | +{ | ||
3053 | + int ret; | ||
3054 | + | ||
3055 | + memcpy(&net->xfrm.xfrm6_dst_ops, &xfrm6_dst_ops_template, | ||
3056 | + sizeof(xfrm6_dst_ops_template)); | ||
3057 | + ret = dst_entries_init(&net->xfrm.xfrm6_dst_ops); | ||
3058 | + if (ret) | ||
3059 | + return ret; | ||
3060 | + | ||
3061 | + ret = xfrm6_net_sysctl_init(net); | ||
3062 | + if (ret) | ||
3063 | + dst_entries_destroy(&net->xfrm.xfrm6_dst_ops); | ||
3064 | + | ||
3065 | + return ret; | ||
3066 | +} | ||
3067 | + | ||
3068 | +static void __net_exit xfrm6_net_exit(struct net *net) | ||
3069 | +{ | ||
3070 | + xfrm6_net_sysctl_exit(net); | ||
3071 | + dst_entries_destroy(&net->xfrm.xfrm6_dst_ops); | ||
3072 | +} | ||
3073 | |||
3074 | static struct pernet_operations xfrm6_net_ops = { | ||
3075 | .init = xfrm6_net_init, | ||
3076 | .exit = xfrm6_net_exit, | ||
3077 | }; | ||
3078 | -#endif | ||
3079 | |||
3080 | int __init xfrm6_init(void) | ||
3081 | { | ||
3082 | int ret; | ||
3083 | |||
3084 | - dst_entries_init(&xfrm6_dst_ops); | ||
3085 | - | ||
3086 | ret = xfrm6_policy_init(); | ||
3087 | - if (ret) { | ||
3088 | - dst_entries_destroy(&xfrm6_dst_ops); | ||
3089 | + if (ret) | ||
3090 | goto out; | ||
3091 | - } | ||
3092 | ret = xfrm6_state_init(); | ||
3093 | if (ret) | ||
3094 | goto out_policy; | ||
3095 | @@ -402,9 +430,7 @@ int __init xfrm6_init(void) | ||
3096 | if (ret) | ||
3097 | goto out_state; | ||
3098 | |||
3099 | -#ifdef CONFIG_SYSCTL | ||
3100 | register_pernet_subsys(&xfrm6_net_ops); | ||
3101 | -#endif | ||
3102 | out: | ||
3103 | return ret; | ||
3104 | out_state: | ||
3105 | @@ -416,11 +442,8 @@ out_policy: | ||
3106 | |||
3107 | void xfrm6_fini(void) | ||
3108 | { | ||
3109 | -#ifdef CONFIG_SYSCTL | ||
3110 | unregister_pernet_subsys(&xfrm6_net_ops); | ||
3111 | -#endif | ||
3112 | xfrm6_protocol_fini(); | ||
3113 | xfrm6_policy_fini(); | ||
3114 | xfrm6_state_fini(); | ||
3115 | - dst_entries_destroy(&xfrm6_dst_ops); | ||
3116 | } | ||
3117 | diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c | ||
3118 | index 27e14962b504..b3fe02a2339e 100644 | ||
3119 | --- a/net/openvswitch/datapath.c | ||
3120 | +++ b/net/openvswitch/datapath.c | ||
3121 | @@ -337,12 +337,10 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb, | ||
3122 | unsigned short gso_type = skb_shinfo(skb)->gso_type; | ||
3123 | struct sw_flow_key later_key; | ||
3124 | struct sk_buff *segs, *nskb; | ||
3125 | - struct ovs_skb_cb ovs_cb; | ||
3126 | int err; | ||
3127 | |||
3128 | - ovs_cb = *OVS_CB(skb); | ||
3129 | + BUILD_BUG_ON(sizeof(*OVS_CB(skb)) > SKB_SGO_CB_OFFSET); | ||
3130 | segs = __skb_gso_segment(skb, NETIF_F_SG, false); | ||
3131 | - *OVS_CB(skb) = ovs_cb; | ||
3132 | if (IS_ERR(segs)) | ||
3133 | return PTR_ERR(segs); | ||
3134 | if (segs == NULL) | ||
3135 | @@ -360,7 +358,6 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb, | ||
3136 | /* Queue all of the segments. */ | ||
3137 | skb = segs; | ||
3138 | do { | ||
3139 | - *OVS_CB(skb) = ovs_cb; | ||
3140 | if (gso_type & SKB_GSO_UDP && skb != segs) | ||
3141 | key = &later_key; | ||
3142 | |||
3143 | diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c | ||
3144 | index 32ab87d34828..11d0b29ce4b8 100644 | ||
3145 | --- a/net/phonet/af_phonet.c | ||
3146 | +++ b/net/phonet/af_phonet.c | ||
3147 | @@ -377,6 +377,10 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev, | ||
3148 | struct sockaddr_pn sa; | ||
3149 | u16 len; | ||
3150 | |||
3151 | + skb = skb_share_check(skb, GFP_ATOMIC); | ||
3152 | + if (!skb) | ||
3153 | + return NET_RX_DROP; | ||
3154 | + | ||
3155 | /* check we have at least a full Phonet header */ | ||
3156 | if (!pskb_pull(skb, sizeof(struct phonethdr))) | ||
3157 | goto out; | ||
3158 | diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c | ||
3159 | index b453270be3fd..3c6f6b774ba6 100644 | ||
3160 | --- a/net/sched/sch_generic.c | ||
3161 | +++ b/net/sched/sch_generic.c | ||
3162 | @@ -666,8 +666,10 @@ static void qdisc_rcu_free(struct rcu_head *head) | ||
3163 | { | ||
3164 | struct Qdisc *qdisc = container_of(head, struct Qdisc, rcu_head); | ||
3165 | |||
3166 | - if (qdisc_is_percpu_stats(qdisc)) | ||
3167 | + if (qdisc_is_percpu_stats(qdisc)) { | ||
3168 | free_percpu(qdisc->cpu_bstats); | ||
3169 | + free_percpu(qdisc->cpu_qstats); | ||
3170 | + } | ||
3171 | |||
3172 | kfree((char *) qdisc - qdisc->padded); | ||
3173 | } | ||
3174 | diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c | ||
3175 | index fef2acdf4a2e..ecae5561b912 100644 | ||
3176 | --- a/net/sctp/sm_sideeffect.c | ||
3177 | +++ b/net/sctp/sm_sideeffect.c | ||
3178 | @@ -244,12 +244,13 @@ void sctp_generate_t3_rtx_event(unsigned long peer) | ||
3179 | int error; | ||
3180 | struct sctp_transport *transport = (struct sctp_transport *) peer; | ||
3181 | struct sctp_association *asoc = transport->asoc; | ||
3182 | - struct net *net = sock_net(asoc->base.sk); | ||
3183 | + struct sock *sk = asoc->base.sk; | ||
3184 | + struct net *net = sock_net(sk); | ||
3185 | |||
3186 | /* Check whether a task is in the sock. */ | ||
3187 | |||
3188 | - bh_lock_sock(asoc->base.sk); | ||
3189 | - if (sock_owned_by_user(asoc->base.sk)) { | ||
3190 | + bh_lock_sock(sk); | ||
3191 | + if (sock_owned_by_user(sk)) { | ||
3192 | pr_debug("%s: sock is busy\n", __func__); | ||
3193 | |||
3194 | /* Try again later. */ | ||
3195 | @@ -272,10 +273,10 @@ void sctp_generate_t3_rtx_event(unsigned long peer) | ||
3196 | transport, GFP_ATOMIC); | ||
3197 | |||
3198 | if (error) | ||
3199 | - asoc->base.sk->sk_err = -error; | ||
3200 | + sk->sk_err = -error; | ||
3201 | |||
3202 | out_unlock: | ||
3203 | - bh_unlock_sock(asoc->base.sk); | ||
3204 | + bh_unlock_sock(sk); | ||
3205 | sctp_transport_put(transport); | ||
3206 | } | ||
3207 | |||
3208 | @@ -285,11 +286,12 @@ out_unlock: | ||
3209 | static void sctp_generate_timeout_event(struct sctp_association *asoc, | ||
3210 | sctp_event_timeout_t timeout_type) | ||
3211 | { | ||
3212 | - struct net *net = sock_net(asoc->base.sk); | ||
3213 | + struct sock *sk = asoc->base.sk; | ||
3214 | + struct net *net = sock_net(sk); | ||
3215 | int error = 0; | ||
3216 | |||
3217 | - bh_lock_sock(asoc->base.sk); | ||
3218 | - if (sock_owned_by_user(asoc->base.sk)) { | ||
3219 | + bh_lock_sock(sk); | ||
3220 | + if (sock_owned_by_user(sk)) { | ||
3221 | pr_debug("%s: sock is busy: timer %d\n", __func__, | ||
3222 | timeout_type); | ||
3223 | |||
3224 | @@ -312,10 +314,10 @@ static void sctp_generate_timeout_event(struct sctp_association *asoc, | ||
3225 | (void *)timeout_type, GFP_ATOMIC); | ||
3226 | |||
3227 | if (error) | ||
3228 | - asoc->base.sk->sk_err = -error; | ||
3229 | + sk->sk_err = -error; | ||
3230 | |||
3231 | out_unlock: | ||
3232 | - bh_unlock_sock(asoc->base.sk); | ||
3233 | + bh_unlock_sock(sk); | ||
3234 | sctp_association_put(asoc); | ||
3235 | } | ||
3236 | |||
3237 | @@ -365,10 +367,11 @@ void sctp_generate_heartbeat_event(unsigned long data) | ||
3238 | int error = 0; | ||
3239 | struct sctp_transport *transport = (struct sctp_transport *) data; | ||
3240 | struct sctp_association *asoc = transport->asoc; | ||
3241 | - struct net *net = sock_net(asoc->base.sk); | ||
3242 | + struct sock *sk = asoc->base.sk; | ||
3243 | + struct net *net = sock_net(sk); | ||
3244 | |||
3245 | - bh_lock_sock(asoc->base.sk); | ||
3246 | - if (sock_owned_by_user(asoc->base.sk)) { | ||
3247 | + bh_lock_sock(sk); | ||
3248 | + if (sock_owned_by_user(sk)) { | ||
3249 | pr_debug("%s: sock is busy\n", __func__); | ||
3250 | |||
3251 | /* Try again later. */ | ||
3252 | @@ -389,10 +392,10 @@ void sctp_generate_heartbeat_event(unsigned long data) | ||
3253 | transport, GFP_ATOMIC); | ||
3254 | |||
3255 | if (error) | ||
3256 | - asoc->base.sk->sk_err = -error; | ||
3257 | + sk->sk_err = -error; | ||
3258 | |||
3259 | out_unlock: | ||
3260 | - bh_unlock_sock(asoc->base.sk); | ||
3261 | + bh_unlock_sock(sk); | ||
3262 | sctp_transport_put(transport); | ||
3263 | } | ||
3264 | |||
3265 | @@ -403,10 +406,11 @@ void sctp_generate_proto_unreach_event(unsigned long data) | ||
3266 | { | ||
3267 | struct sctp_transport *transport = (struct sctp_transport *) data; | ||
3268 | struct sctp_association *asoc = transport->asoc; | ||
3269 | - struct net *net = sock_net(asoc->base.sk); | ||
3270 | + struct sock *sk = asoc->base.sk; | ||
3271 | + struct net *net = sock_net(sk); | ||
3272 | |||
3273 | - bh_lock_sock(asoc->base.sk); | ||
3274 | - if (sock_owned_by_user(asoc->base.sk)) { | ||
3275 | + bh_lock_sock(sk); | ||
3276 | + if (sock_owned_by_user(sk)) { | ||
3277 | pr_debug("%s: sock is busy\n", __func__); | ||
3278 | |||
3279 | /* Try again later. */ | ||
3280 | @@ -427,7 +431,7 @@ void sctp_generate_proto_unreach_event(unsigned long data) | ||
3281 | asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC); | ||
3282 | |||
3283 | out_unlock: | ||
3284 | - bh_unlock_sock(asoc->base.sk); | ||
3285 | + bh_unlock_sock(sk); | ||
3286 | sctp_association_put(asoc); | ||
3287 | } | ||
3288 | |||
3289 | diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c | ||
3290 | index 3ee27b7704ff..e6bb98e583fb 100644 | ||
3291 | --- a/net/sctp/sm_statefuns.c | ||
3292 | +++ b/net/sctp/sm_statefuns.c | ||
3293 | @@ -4829,7 +4829,8 @@ sctp_disposition_t sctp_sf_do_9_1_prm_abort( | ||
3294 | |||
3295 | retval = SCTP_DISPOSITION_CONSUME; | ||
3296 | |||
3297 | - sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); | ||
3298 | + if (abort) | ||
3299 | + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); | ||
3300 | |||
3301 | /* Even if we can't send the ABORT due to low memory delete the | ||
3302 | * TCB. This is a departure from our typical NOMEM handling. | ||
3303 | @@ -4966,7 +4967,8 @@ sctp_disposition_t sctp_sf_cookie_wait_prm_abort( | ||
3304 | SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT)); | ||
3305 | retval = SCTP_DISPOSITION_CONSUME; | ||
3306 | |||
3307 | - sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); | ||
3308 | + if (abort) | ||
3309 | + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort)); | ||
3310 | |||
3311 | sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, | ||
3312 | SCTP_STATE(SCTP_STATE_CLOSED)); | ||
3313 | diff --git a/net/sctp/socket.c b/net/sctp/socket.c | ||
3314 | index a63c2c87a0c6..76e6ec62cf92 100644 | ||
3315 | --- a/net/sctp/socket.c | ||
3316 | +++ b/net/sctp/socket.c | ||
3317 | @@ -1513,8 +1513,7 @@ static void sctp_close(struct sock *sk, long timeout) | ||
3318 | struct sctp_chunk *chunk; | ||
3319 | |||
3320 | chunk = sctp_make_abort_user(asoc, NULL, 0); | ||
3321 | - if (chunk) | ||
3322 | - sctp_primitive_ABORT(net, asoc, chunk); | ||
3323 | + sctp_primitive_ABORT(net, asoc, chunk); | ||
3324 | } else | ||
3325 | sctp_primitive_SHUTDOWN(net, asoc, NULL); | ||
3326 | } | ||
3327 | diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c | ||
3328 | index 26d50c565f54..3e0fc5127225 100644 | ||
3329 | --- a/net/sctp/sysctl.c | ||
3330 | +++ b/net/sctp/sysctl.c | ||
3331 | @@ -320,7 +320,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write, | ||
3332 | struct ctl_table tbl; | ||
3333 | bool changed = false; | ||
3334 | char *none = "none"; | ||
3335 | - char tmp[8]; | ||
3336 | + char tmp[8] = {0}; | ||
3337 | int ret; | ||
3338 | |||
3339 | memset(&tbl, 0, sizeof(struct ctl_table)); | ||
3340 | diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c | ||
3341 | index a398f624c28d..cb3a01a9ed38 100644 | ||
3342 | --- a/net/unix/af_unix.c | ||
3343 | +++ b/net/unix/af_unix.c | ||
3344 | @@ -1481,6 +1481,21 @@ static void unix_destruct_scm(struct sk_buff *skb) | ||
3345 | sock_wfree(skb); | ||
3346 | } | ||
3347 | |||
3348 | +/* | ||
3349 | + * The "user->unix_inflight" variable is protected by the garbage | ||
3350 | + * collection lock, and we just read it locklessly here. If you go | ||
3351 | + * over the limit, there might be a tiny race in actually noticing | ||
3352 | + * it across threads. Tough. | ||
3353 | + */ | ||
3354 | +static inline bool too_many_unix_fds(struct task_struct *p) | ||
3355 | +{ | ||
3356 | + struct user_struct *user = current_user(); | ||
3357 | + | ||
3358 | + if (unlikely(user->unix_inflight > task_rlimit(p, RLIMIT_NOFILE))) | ||
3359 | + return !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN); | ||
3360 | + return false; | ||
3361 | +} | ||
3362 | + | ||
3363 | #define MAX_RECURSION_LEVEL 4 | ||
3364 | |||
3365 | static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb) | ||
3366 | @@ -1489,6 +1504,9 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb) | ||
3367 | unsigned char max_level = 0; | ||
3368 | int unix_sock_count = 0; | ||
3369 | |||
3370 | + if (too_many_unix_fds(current)) | ||
3371 | + return -ETOOMANYREFS; | ||
3372 | + | ||
3373 | for (i = scm->fp->count - 1; i >= 0; i--) { | ||
3374 | struct sock *sk = unix_get_socket(scm->fp->fp[i]); | ||
3375 | |||
3376 | @@ -1510,10 +1528,8 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb) | ||
3377 | if (!UNIXCB(skb).fp) | ||
3378 | return -ENOMEM; | ||
3379 | |||
3380 | - if (unix_sock_count) { | ||
3381 | - for (i = scm->fp->count - 1; i >= 0; i--) | ||
3382 | - unix_inflight(scm->fp->fp[i]); | ||
3383 | - } | ||
3384 | + for (i = scm->fp->count - 1; i >= 0; i--) | ||
3385 | + unix_inflight(scm->fp->fp[i]); | ||
3386 | return max_level; | ||
3387 | } | ||
3388 | |||
3389 | diff --git a/net/unix/garbage.c b/net/unix/garbage.c | ||
3390 | index a73a226f2d33..8fcdc2283af5 100644 | ||
3391 | --- a/net/unix/garbage.c | ||
3392 | +++ b/net/unix/garbage.c | ||
3393 | @@ -120,11 +120,11 @@ void unix_inflight(struct file *fp) | ||
3394 | { | ||
3395 | struct sock *s = unix_get_socket(fp); | ||
3396 | |||
3397 | + spin_lock(&unix_gc_lock); | ||
3398 | + | ||
3399 | if (s) { | ||
3400 | struct unix_sock *u = unix_sk(s); | ||
3401 | |||
3402 | - spin_lock(&unix_gc_lock); | ||
3403 | - | ||
3404 | if (atomic_long_inc_return(&u->inflight) == 1) { | ||
3405 | BUG_ON(!list_empty(&u->link)); | ||
3406 | list_add_tail(&u->link, &gc_inflight_list); | ||
3407 | @@ -132,25 +132,28 @@ void unix_inflight(struct file *fp) | ||
3408 | BUG_ON(list_empty(&u->link)); | ||
3409 | } | ||
3410 | unix_tot_inflight++; | ||
3411 | - spin_unlock(&unix_gc_lock); | ||
3412 | } | ||
3413 | + fp->f_cred->user->unix_inflight++; | ||
3414 | + spin_unlock(&unix_gc_lock); | ||
3415 | } | ||
3416 | |||
3417 | void unix_notinflight(struct file *fp) | ||
3418 | { | ||
3419 | struct sock *s = unix_get_socket(fp); | ||
3420 | |||
3421 | + spin_lock(&unix_gc_lock); | ||
3422 | + | ||
3423 | if (s) { | ||
3424 | struct unix_sock *u = unix_sk(s); | ||
3425 | |||
3426 | - spin_lock(&unix_gc_lock); | ||
3427 | BUG_ON(list_empty(&u->link)); | ||
3428 | |||
3429 | if (atomic_long_dec_and_test(&u->inflight)) | ||
3430 | list_del_init(&u->link); | ||
3431 | unix_tot_inflight--; | ||
3432 | - spin_unlock(&unix_gc_lock); | ||
3433 | } | ||
3434 | + fp->f_cred->user->unix_inflight--; | ||
3435 | + spin_unlock(&unix_gc_lock); | ||
3436 | } | ||
3437 | |||
3438 | static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *), | ||
3439 | diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c | ||
3440 | index fbcedbe33190..5097dce5b916 100644 | ||
3441 | --- a/net/xfrm/xfrm_output.c | ||
3442 | +++ b/net/xfrm/xfrm_output.c | ||
3443 | @@ -153,6 +153,8 @@ static int xfrm_output_gso(struct sock *sk, struct sk_buff *skb) | ||
3444 | { | ||
3445 | struct sk_buff *segs; | ||
3446 | |||
3447 | + BUILD_BUG_ON(sizeof(*IPCB(skb)) > SKB_SGO_CB_OFFSET); | ||
3448 | + BUILD_BUG_ON(sizeof(*IP6CB(skb)) > SKB_SGO_CB_OFFSET); | ||
3449 | segs = skb_gso_segment(skb, 0); | ||
3450 | kfree_skb(skb); | ||
3451 | if (IS_ERR(segs)) | ||
3452 | diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c | ||
3453 | index 638af0655aaf..4cd2076ff84b 100644 | ||
3454 | --- a/net/xfrm/xfrm_policy.c | ||
3455 | +++ b/net/xfrm/xfrm_policy.c | ||
3456 | @@ -2806,7 +2806,6 @@ static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, | ||
3457 | |||
3458 | int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) | ||
3459 | { | ||
3460 | - struct net *net; | ||
3461 | int err = 0; | ||
3462 | if (unlikely(afinfo == NULL)) | ||
3463 | return -EINVAL; | ||
3464 | @@ -2837,26 +2836,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) | ||
3465 | } | ||
3466 | spin_unlock(&xfrm_policy_afinfo_lock); | ||
3467 | |||
3468 | - rtnl_lock(); | ||
3469 | - for_each_net(net) { | ||
3470 | - struct dst_ops *xfrm_dst_ops; | ||
3471 | - | ||
3472 | - switch (afinfo->family) { | ||
3473 | - case AF_INET: | ||
3474 | - xfrm_dst_ops = &net->xfrm.xfrm4_dst_ops; | ||
3475 | - break; | ||
3476 | -#if IS_ENABLED(CONFIG_IPV6) | ||
3477 | - case AF_INET6: | ||
3478 | - xfrm_dst_ops = &net->xfrm.xfrm6_dst_ops; | ||
3479 | - break; | ||
3480 | -#endif | ||
3481 | - default: | ||
3482 | - BUG(); | ||
3483 | - } | ||
3484 | - *xfrm_dst_ops = *afinfo->dst_ops; | ||
3485 | - } | ||
3486 | - rtnl_unlock(); | ||
3487 | - | ||
3488 | return err; | ||
3489 | } | ||
3490 | EXPORT_SYMBOL(xfrm_policy_register_afinfo); | ||
3491 | @@ -2892,22 +2871,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo) | ||
3492 | } | ||
3493 | EXPORT_SYMBOL(xfrm_policy_unregister_afinfo); | ||
3494 | |||
3495 | -static void __net_init xfrm_dst_ops_init(struct net *net) | ||
3496 | -{ | ||
3497 | - struct xfrm_policy_afinfo *afinfo; | ||
3498 | - | ||
3499 | - rcu_read_lock(); | ||
3500 | - afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET]); | ||
3501 | - if (afinfo) | ||
3502 | - net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops; | ||
3503 | -#if IS_ENABLED(CONFIG_IPV6) | ||
3504 | - afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET6]); | ||
3505 | - if (afinfo) | ||
3506 | - net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops; | ||
3507 | -#endif | ||
3508 | - rcu_read_unlock(); | ||
3509 | -} | ||
3510 | - | ||
3511 | static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr) | ||
3512 | { | ||
3513 | struct net_device *dev = netdev_notifier_info_to_dev(ptr); | ||
3514 | @@ -3056,7 +3019,6 @@ static int __net_init xfrm_net_init(struct net *net) | ||
3515 | rv = xfrm_policy_init(net); | ||
3516 | if (rv < 0) | ||
3517 | goto out_policy; | ||
3518 | - xfrm_dst_ops_init(net); | ||
3519 | rv = xfrm_sysctl_init(net); | ||
3520 | if (rv < 0) | ||
3521 | goto out_sysctl; | ||
3522 | diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c | ||
3523 | index 3d1984e59a30..e00bcd129336 100644 | ||
3524 | --- a/scripts/recordmcount.c | ||
3525 | +++ b/scripts/recordmcount.c | ||
3526 | @@ -42,6 +42,7 @@ | ||
3527 | |||
3528 | #ifndef EM_AARCH64 | ||
3529 | #define EM_AARCH64 183 | ||
3530 | +#define R_AARCH64_NONE 0 | ||
3531 | #define R_AARCH64_ABS64 257 | ||
3532 | #endif | ||
3533 | |||
3534 | @@ -160,6 +161,22 @@ static int make_nop_x86(void *map, size_t const offset) | ||
3535 | return 0; | ||
3536 | } | ||
3537 | |||
3538 | +static unsigned char ideal_nop4_arm64[4] = {0x1f, 0x20, 0x03, 0xd5}; | ||
3539 | +static int make_nop_arm64(void *map, size_t const offset) | ||
3540 | +{ | ||
3541 | + uint32_t *ptr; | ||
3542 | + | ||
3543 | + ptr = map + offset; | ||
3544 | + /* bl <_mcount> is 0x94000000 before relocation */ | ||
3545 | + if (*ptr != 0x94000000) | ||
3546 | + return -1; | ||
3547 | + | ||
3548 | + /* Convert to nop */ | ||
3549 | + ulseek(fd_map, offset, SEEK_SET); | ||
3550 | + uwrite(fd_map, ideal_nop, 4); | ||
3551 | + return 0; | ||
3552 | +} | ||
3553 | + | ||
3554 | /* | ||
3555 | * Get the whole file as a programming convenience in order to avoid | ||
3556 | * malloc+lseek+read+free of many pieces. If successful, then mmap | ||
3557 | @@ -353,7 +370,12 @@ do_file(char const *const fname) | ||
3558 | altmcount = "__gnu_mcount_nc"; | ||
3559 | break; | ||
3560 | case EM_AARCH64: | ||
3561 | - reltype = R_AARCH64_ABS64; gpfx = '_'; break; | ||
3562 | + reltype = R_AARCH64_ABS64; | ||
3563 | + make_nop = make_nop_arm64; | ||
3564 | + rel_type_nop = R_AARCH64_NONE; | ||
3565 | + ideal_nop = ideal_nop4_arm64; | ||
3566 | + gpfx = '_'; | ||
3567 | + break; | ||
3568 | case EM_IA_64: reltype = R_IA64_IMM64; gpfx = '_'; break; | ||
3569 | case EM_METAG: reltype = R_METAG_ADDR32; | ||
3570 | altmcount = "_mcount_wrapper"; | ||
3571 | diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h | ||
3572 | index 49b582a225b0..b9897e2be404 100644 | ||
3573 | --- a/scripts/recordmcount.h | ||
3574 | +++ b/scripts/recordmcount.h | ||
3575 | @@ -377,7 +377,7 @@ static void nop_mcount(Elf_Shdr const *const relhdr, | ||
3576 | |||
3577 | if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) { | ||
3578 | if (make_nop) | ||
3579 | - ret = make_nop((void *)ehdr, shdr->sh_offset + relp->r_offset); | ||
3580 | + ret = make_nop((void *)ehdr, _w(shdr->sh_offset) + _w(relp->r_offset)); | ||
3581 | if (warn_on_notrace_sect && !once) { | ||
3582 | printf("Section %s has mcount callers being ignored\n", | ||
3583 | txtname); | ||
3584 | diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl | ||
3585 | index 826470d7f000..96e2486a6fc4 100755 | ||
3586 | --- a/scripts/recordmcount.pl | ||
3587 | +++ b/scripts/recordmcount.pl | ||
3588 | @@ -263,7 +263,8 @@ if ($arch eq "x86_64") { | ||
3589 | |||
3590 | } elsif ($arch eq "powerpc") { | ||
3591 | $local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)"; | ||
3592 | - $function_regex = "^([0-9a-fA-F]+)\\s+<(\\.?.*?)>:"; | ||
3593 | + # See comment in the sparc64 section for why we use '\w'. | ||
3594 | + $function_regex = "^([0-9a-fA-F]+)\\s+<(\\.?\\w*?)>:"; | ||
3595 | $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s\\.?_mcount\$"; | ||
3596 | |||
3597 | if ($bits == 64) { | ||
3598 | diff --git a/sound/core/control.c b/sound/core/control.c | ||
3599 | index 196a6fe100ca..a85d45595d02 100644 | ||
3600 | --- a/sound/core/control.c | ||
3601 | +++ b/sound/core/control.c | ||
3602 | @@ -1405,6 +1405,8 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, | ||
3603 | return -EFAULT; | ||
3604 | if (tlv.length < sizeof(unsigned int) * 2) | ||
3605 | return -EINVAL; | ||
3606 | + if (!tlv.numid) | ||
3607 | + return -EINVAL; | ||
3608 | down_read(&card->controls_rwsem); | ||
3609 | kctl = snd_ctl_find_numid(card, tlv.numid); | ||
3610 | if (kctl == NULL) { | ||
3611 | diff --git a/sound/core/hrtimer.c b/sound/core/hrtimer.c | ||
3612 | index 886be7da989d..38514ed6e55c 100644 | ||
3613 | --- a/sound/core/hrtimer.c | ||
3614 | +++ b/sound/core/hrtimer.c | ||
3615 | @@ -90,7 +90,7 @@ static int snd_hrtimer_start(struct snd_timer *t) | ||
3616 | struct snd_hrtimer *stime = t->private_data; | ||
3617 | |||
3618 | atomic_set(&stime->running, 0); | ||
3619 | - hrtimer_cancel(&stime->hrt); | ||
3620 | + hrtimer_try_to_cancel(&stime->hrt); | ||
3621 | hrtimer_start(&stime->hrt, ns_to_ktime(t->sticks * resolution), | ||
3622 | HRTIMER_MODE_REL); | ||
3623 | atomic_set(&stime->running, 1); | ||
3624 | @@ -101,6 +101,7 @@ static int snd_hrtimer_stop(struct snd_timer *t) | ||
3625 | { | ||
3626 | struct snd_hrtimer *stime = t->private_data; | ||
3627 | atomic_set(&stime->running, 0); | ||
3628 | + hrtimer_try_to_cancel(&stime->hrt); | ||
3629 | return 0; | ||
3630 | } | ||
3631 | |||
3632 | diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c | ||
3633 | index b48b434444ed..9630e9f72b7b 100644 | ||
3634 | --- a/sound/core/pcm_compat.c | ||
3635 | +++ b/sound/core/pcm_compat.c | ||
3636 | @@ -255,10 +255,15 @@ static int snd_pcm_ioctl_hw_params_compat(struct snd_pcm_substream *substream, | ||
3637 | if (! (runtime = substream->runtime)) | ||
3638 | return -ENOTTY; | ||
3639 | |||
3640 | - /* only fifo_size is different, so just copy all */ | ||
3641 | - data = memdup_user(data32, sizeof(*data32)); | ||
3642 | - if (IS_ERR(data)) | ||
3643 | - return PTR_ERR(data); | ||
3644 | + data = kmalloc(sizeof(*data), GFP_KERNEL); | ||
3645 | + if (!data) | ||
3646 | + return -ENOMEM; | ||
3647 | + | ||
3648 | + /* only fifo_size (RO from userspace) is different, so just copy all */ | ||
3649 | + if (copy_from_user(data, data32, sizeof(*data32))) { | ||
3650 | + err = -EFAULT; | ||
3651 | + goto error; | ||
3652 | + } | ||
3653 | |||
3654 | if (refine) | ||
3655 | err = snd_pcm_hw_refine(substream, data); | ||
3656 | diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c | ||
3657 | index edbdab85fc02..bd4741442909 100644 | ||
3658 | --- a/sound/core/seq/seq_clientmgr.c | ||
3659 | +++ b/sound/core/seq/seq_clientmgr.c | ||
3660 | @@ -1962,7 +1962,7 @@ static int snd_seq_ioctl_remove_events(struct snd_seq_client *client, | ||
3661 | * No restrictions so for a user client we can clear | ||
3662 | * the whole fifo | ||
3663 | */ | ||
3664 | - if (client->type == USER_CLIENT) | ||
3665 | + if (client->type == USER_CLIENT && client->data.user.fifo) | ||
3666 | snd_seq_fifo_clear(client->data.user.fifo); | ||
3667 | } | ||
3668 | |||
3669 | diff --git a/sound/core/seq/seq_compat.c b/sound/core/seq/seq_compat.c | ||
3670 | index 81f7c109dc46..65175902a68a 100644 | ||
3671 | --- a/sound/core/seq/seq_compat.c | ||
3672 | +++ b/sound/core/seq/seq_compat.c | ||
3673 | @@ -49,11 +49,12 @@ static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned | ||
3674 | struct snd_seq_port_info *data; | ||
3675 | mm_segment_t fs; | ||
3676 | |||
3677 | - data = memdup_user(data32, sizeof(*data32)); | ||
3678 | - if (IS_ERR(data)) | ||
3679 | - return PTR_ERR(data); | ||
3680 | + data = kmalloc(sizeof(*data), GFP_KERNEL); | ||
3681 | + if (!data) | ||
3682 | + return -ENOMEM; | ||
3683 | |||
3684 | - if (get_user(data->flags, &data32->flags) || | ||
3685 | + if (copy_from_user(data, data32, sizeof(*data32)) || | ||
3686 | + get_user(data->flags, &data32->flags) || | ||
3687 | get_user(data->time_queue, &data32->time_queue)) | ||
3688 | goto error; | ||
3689 | data->kernel = NULL; | ||
3690 | diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c | ||
3691 | index a0cda38205b9..77ec21420355 100644 | ||
3692 | --- a/sound/core/seq/seq_queue.c | ||
3693 | +++ b/sound/core/seq/seq_queue.c | ||
3694 | @@ -142,8 +142,10 @@ static struct snd_seq_queue *queue_new(int owner, int locked) | ||
3695 | static void queue_delete(struct snd_seq_queue *q) | ||
3696 | { | ||
3697 | /* stop and release the timer */ | ||
3698 | + mutex_lock(&q->timer_mutex); | ||
3699 | snd_seq_timer_stop(q->timer); | ||
3700 | snd_seq_timer_close(q); | ||
3701 | + mutex_unlock(&q->timer_mutex); | ||
3702 | /* wait until access free */ | ||
3703 | snd_use_lock_sync(&q->use_lock); | ||
3704 | /* release resources... */ | ||
3705 | diff --git a/sound/core/timer.c b/sound/core/timer.c | ||
3706 | index a9a1a047c521..a419878901c4 100644 | ||
3707 | --- a/sound/core/timer.c | ||
3708 | +++ b/sound/core/timer.c | ||
3709 | @@ -65,6 +65,7 @@ struct snd_timer_user { | ||
3710 | int qtail; | ||
3711 | int qused; | ||
3712 | int queue_size; | ||
3713 | + bool disconnected; | ||
3714 | struct snd_timer_read *queue; | ||
3715 | struct snd_timer_tread *tqueue; | ||
3716 | spinlock_t qlock; | ||
3717 | @@ -73,7 +74,7 @@ struct snd_timer_user { | ||
3718 | struct timespec tstamp; /* trigger tstamp */ | ||
3719 | wait_queue_head_t qchange_sleep; | ||
3720 | struct fasync_struct *fasync; | ||
3721 | - struct mutex tread_sem; | ||
3722 | + struct mutex ioctl_lock; | ||
3723 | }; | ||
3724 | |||
3725 | /* list of timers */ | ||
3726 | @@ -215,11 +216,13 @@ static void snd_timer_check_master(struct snd_timer_instance *master) | ||
3727 | slave->slave_id == master->slave_id) { | ||
3728 | list_move_tail(&slave->open_list, &master->slave_list_head); | ||
3729 | spin_lock_irq(&slave_active_lock); | ||
3730 | + spin_lock(&master->timer->lock); | ||
3731 | slave->master = master; | ||
3732 | slave->timer = master->timer; | ||
3733 | if (slave->flags & SNDRV_TIMER_IFLG_RUNNING) | ||
3734 | list_add_tail(&slave->active_list, | ||
3735 | &master->slave_active_head); | ||
3736 | + spin_unlock(&master->timer->lock); | ||
3737 | spin_unlock_irq(&slave_active_lock); | ||
3738 | } | ||
3739 | } | ||
3740 | @@ -288,6 +291,9 @@ int snd_timer_open(struct snd_timer_instance **ti, | ||
3741 | mutex_unlock(®ister_mutex); | ||
3742 | return -ENOMEM; | ||
3743 | } | ||
3744 | + /* take a card refcount for safe disconnection */ | ||
3745 | + if (timer->card) | ||
3746 | + get_device(&timer->card->card_dev); | ||
3747 | timeri->slave_class = tid->dev_sclass; | ||
3748 | timeri->slave_id = slave_id; | ||
3749 | if (list_empty(&timer->open_list_head) && timer->hw.open) | ||
3750 | @@ -346,15 +352,21 @@ int snd_timer_close(struct snd_timer_instance *timeri) | ||
3751 | timer->hw.close) | ||
3752 | timer->hw.close(timer); | ||
3753 | /* remove slave links */ | ||
3754 | + spin_lock_irq(&slave_active_lock); | ||
3755 | + spin_lock(&timer->lock); | ||
3756 | list_for_each_entry_safe(slave, tmp, &timeri->slave_list_head, | ||
3757 | open_list) { | ||
3758 | - spin_lock_irq(&slave_active_lock); | ||
3759 | - _snd_timer_stop(slave, 1, SNDRV_TIMER_EVENT_RESOLUTION); | ||
3760 | list_move_tail(&slave->open_list, &snd_timer_slave_list); | ||
3761 | slave->master = NULL; | ||
3762 | slave->timer = NULL; | ||
3763 | - spin_unlock_irq(&slave_active_lock); | ||
3764 | + list_del_init(&slave->ack_list); | ||
3765 | + list_del_init(&slave->active_list); | ||
3766 | } | ||
3767 | + spin_unlock(&timer->lock); | ||
3768 | + spin_unlock_irq(&slave_active_lock); | ||
3769 | + /* release a card refcount for safe disconnection */ | ||
3770 | + if (timer->card) | ||
3771 | + put_device(&timer->card->card_dev); | ||
3772 | mutex_unlock(®ister_mutex); | ||
3773 | } | ||
3774 | out: | ||
3775 | @@ -441,9 +453,12 @@ static int snd_timer_start_slave(struct snd_timer_instance *timeri) | ||
3776 | |||
3777 | spin_lock_irqsave(&slave_active_lock, flags); | ||
3778 | timeri->flags |= SNDRV_TIMER_IFLG_RUNNING; | ||
3779 | - if (timeri->master) | ||
3780 | + if (timeri->master && timeri->timer) { | ||
3781 | + spin_lock(&timeri->timer->lock); | ||
3782 | list_add_tail(&timeri->active_list, | ||
3783 | &timeri->master->slave_active_head); | ||
3784 | + spin_unlock(&timeri->timer->lock); | ||
3785 | + } | ||
3786 | spin_unlock_irqrestore(&slave_active_lock, flags); | ||
3787 | return 1; /* delayed start */ | ||
3788 | } | ||
3789 | @@ -467,6 +482,8 @@ int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks) | ||
3790 | timer = timeri->timer; | ||
3791 | if (timer == NULL) | ||
3792 | return -EINVAL; | ||
3793 | + if (timer->card && timer->card->shutdown) | ||
3794 | + return -ENODEV; | ||
3795 | spin_lock_irqsave(&timer->lock, flags); | ||
3796 | timeri->ticks = timeri->cticks = ticks; | ||
3797 | timeri->pticks = 0; | ||
3798 | @@ -489,6 +506,8 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri, | ||
3799 | if (!keep_flag) { | ||
3800 | spin_lock_irqsave(&slave_active_lock, flags); | ||
3801 | timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING; | ||
3802 | + list_del_init(&timeri->ack_list); | ||
3803 | + list_del_init(&timeri->active_list); | ||
3804 | spin_unlock_irqrestore(&slave_active_lock, flags); | ||
3805 | } | ||
3806 | goto __end; | ||
3807 | @@ -499,6 +518,10 @@ static int _snd_timer_stop(struct snd_timer_instance * timeri, | ||
3808 | spin_lock_irqsave(&timer->lock, flags); | ||
3809 | list_del_init(&timeri->ack_list); | ||
3810 | list_del_init(&timeri->active_list); | ||
3811 | + if (timer->card && timer->card->shutdown) { | ||
3812 | + spin_unlock_irqrestore(&timer->lock, flags); | ||
3813 | + return 0; | ||
3814 | + } | ||
3815 | if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) && | ||
3816 | !(--timer->running)) { | ||
3817 | timer->hw.stop(timer); | ||
3818 | @@ -561,6 +584,8 @@ int snd_timer_continue(struct snd_timer_instance *timeri) | ||
3819 | timer = timeri->timer; | ||
3820 | if (! timer) | ||
3821 | return -EINVAL; | ||
3822 | + if (timer->card && timer->card->shutdown) | ||
3823 | + return -ENODEV; | ||
3824 | spin_lock_irqsave(&timer->lock, flags); | ||
3825 | if (!timeri->cticks) | ||
3826 | timeri->cticks = 1; | ||
3827 | @@ -624,6 +649,9 @@ static void snd_timer_tasklet(unsigned long arg) | ||
3828 | unsigned long resolution, ticks; | ||
3829 | unsigned long flags; | ||
3830 | |||
3831 | + if (timer->card && timer->card->shutdown) | ||
3832 | + return; | ||
3833 | + | ||
3834 | spin_lock_irqsave(&timer->lock, flags); | ||
3835 | /* now process all callbacks */ | ||
3836 | while (!list_empty(&timer->sack_list_head)) { | ||
3837 | @@ -664,6 +692,9 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left) | ||
3838 | if (timer == NULL) | ||
3839 | return; | ||
3840 | |||
3841 | + if (timer->card && timer->card->shutdown) | ||
3842 | + return; | ||
3843 | + | ||
3844 | spin_lock_irqsave(&timer->lock, flags); | ||
3845 | |||
3846 | /* remember the current resolution */ | ||
3847 | @@ -694,7 +725,7 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left) | ||
3848 | } else { | ||
3849 | ti->flags &= ~SNDRV_TIMER_IFLG_RUNNING; | ||
3850 | if (--timer->running) | ||
3851 | - list_del(&ti->active_list); | ||
3852 | + list_del_init(&ti->active_list); | ||
3853 | } | ||
3854 | if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) || | ||
3855 | (ti->flags & SNDRV_TIMER_IFLG_FAST)) | ||
3856 | @@ -874,11 +905,28 @@ static int snd_timer_dev_register(struct snd_device *dev) | ||
3857 | return 0; | ||
3858 | } | ||
3859 | |||
3860 | +/* just for reference in snd_timer_dev_disconnect() below */ | ||
3861 | +static void snd_timer_user_ccallback(struct snd_timer_instance *timeri, | ||
3862 | + int event, struct timespec *tstamp, | ||
3863 | + unsigned long resolution); | ||
3864 | + | ||
3865 | static int snd_timer_dev_disconnect(struct snd_device *device) | ||
3866 | { | ||
3867 | struct snd_timer *timer = device->device_data; | ||
3868 | + struct snd_timer_instance *ti; | ||
3869 | + | ||
3870 | mutex_lock(®ister_mutex); | ||
3871 | list_del_init(&timer->device_list); | ||
3872 | + /* wake up pending sleepers */ | ||
3873 | + list_for_each_entry(ti, &timer->open_list_head, open_list) { | ||
3874 | + /* FIXME: better to have a ti.disconnect() op */ | ||
3875 | + if (ti->ccallback == snd_timer_user_ccallback) { | ||
3876 | + struct snd_timer_user *tu = ti->callback_data; | ||
3877 | + | ||
3878 | + tu->disconnected = true; | ||
3879 | + wake_up(&tu->qchange_sleep); | ||
3880 | + } | ||
3881 | + } | ||
3882 | mutex_unlock(®ister_mutex); | ||
3883 | return 0; | ||
3884 | } | ||
3885 | @@ -889,6 +937,8 @@ void snd_timer_notify(struct snd_timer *timer, int event, struct timespec *tstam | ||
3886 | unsigned long resolution = 0; | ||
3887 | struct snd_timer_instance *ti, *ts; | ||
3888 | |||
3889 | + if (timer->card && timer->card->shutdown) | ||
3890 | + return; | ||
3891 | if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)) | ||
3892 | return; | ||
3893 | if (snd_BUG_ON(event < SNDRV_TIMER_EVENT_MSTART || | ||
3894 | @@ -1047,6 +1097,8 @@ static void snd_timer_proc_read(struct snd_info_entry *entry, | ||
3895 | |||
3896 | mutex_lock(®ister_mutex); | ||
3897 | list_for_each_entry(timer, &snd_timer_list, device_list) { | ||
3898 | + if (timer->card && timer->card->shutdown) | ||
3899 | + continue; | ||
3900 | switch (timer->tmr_class) { | ||
3901 | case SNDRV_TIMER_CLASS_GLOBAL: | ||
3902 | snd_iprintf(buffer, "G%i: ", timer->tmr_device); | ||
3903 | @@ -1253,7 +1305,7 @@ static int snd_timer_user_open(struct inode *inode, struct file *file) | ||
3904 | return -ENOMEM; | ||
3905 | spin_lock_init(&tu->qlock); | ||
3906 | init_waitqueue_head(&tu->qchange_sleep); | ||
3907 | - mutex_init(&tu->tread_sem); | ||
3908 | + mutex_init(&tu->ioctl_lock); | ||
3909 | tu->ticks = 1; | ||
3910 | tu->queue_size = 128; | ||
3911 | tu->queue = kmalloc(tu->queue_size * sizeof(struct snd_timer_read), | ||
3912 | @@ -1273,8 +1325,10 @@ static int snd_timer_user_release(struct inode *inode, struct file *file) | ||
3913 | if (file->private_data) { | ||
3914 | tu = file->private_data; | ||
3915 | file->private_data = NULL; | ||
3916 | + mutex_lock(&tu->ioctl_lock); | ||
3917 | if (tu->timeri) | ||
3918 | snd_timer_close(tu->timeri); | ||
3919 | + mutex_unlock(&tu->ioctl_lock); | ||
3920 | kfree(tu->queue); | ||
3921 | kfree(tu->tqueue); | ||
3922 | kfree(tu); | ||
3923 | @@ -1512,7 +1566,6 @@ static int snd_timer_user_tselect(struct file *file, | ||
3924 | int err = 0; | ||
3925 | |||
3926 | tu = file->private_data; | ||
3927 | - mutex_lock(&tu->tread_sem); | ||
3928 | if (tu->timeri) { | ||
3929 | snd_timer_close(tu->timeri); | ||
3930 | tu->timeri = NULL; | ||
3931 | @@ -1556,7 +1609,6 @@ static int snd_timer_user_tselect(struct file *file, | ||
3932 | } | ||
3933 | |||
3934 | __err: | ||
3935 | - mutex_unlock(&tu->tread_sem); | ||
3936 | return err; | ||
3937 | } | ||
3938 | |||
3939 | @@ -1769,7 +1821,7 @@ enum { | ||
3940 | SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23), | ||
3941 | }; | ||
3942 | |||
3943 | -static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, | ||
3944 | +static long __snd_timer_user_ioctl(struct file *file, unsigned int cmd, | ||
3945 | unsigned long arg) | ||
3946 | { | ||
3947 | struct snd_timer_user *tu; | ||
3948 | @@ -1786,17 +1838,11 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, | ||
3949 | { | ||
3950 | int xarg; | ||
3951 | |||
3952 | - mutex_lock(&tu->tread_sem); | ||
3953 | - if (tu->timeri) { /* too late */ | ||
3954 | - mutex_unlock(&tu->tread_sem); | ||
3955 | + if (tu->timeri) /* too late */ | ||
3956 | return -EBUSY; | ||
3957 | - } | ||
3958 | - if (get_user(xarg, p)) { | ||
3959 | - mutex_unlock(&tu->tread_sem); | ||
3960 | + if (get_user(xarg, p)) | ||
3961 | return -EFAULT; | ||
3962 | - } | ||
3963 | tu->tread = xarg ? 1 : 0; | ||
3964 | - mutex_unlock(&tu->tread_sem); | ||
3965 | return 0; | ||
3966 | } | ||
3967 | case SNDRV_TIMER_IOCTL_GINFO: | ||
3968 | @@ -1829,6 +1875,18 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, | ||
3969 | return -ENOTTY; | ||
3970 | } | ||
3971 | |||
3972 | +static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, | ||
3973 | + unsigned long arg) | ||
3974 | +{ | ||
3975 | + struct snd_timer_user *tu = file->private_data; | ||
3976 | + long ret; | ||
3977 | + | ||
3978 | + mutex_lock(&tu->ioctl_lock); | ||
3979 | + ret = __snd_timer_user_ioctl(file, cmd, arg); | ||
3980 | + mutex_unlock(&tu->ioctl_lock); | ||
3981 | + return ret; | ||
3982 | +} | ||
3983 | + | ||
3984 | static int snd_timer_user_fasync(int fd, struct file * file, int on) | ||
3985 | { | ||
3986 | struct snd_timer_user *tu; | ||
3987 | @@ -1866,6 +1924,10 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, | ||
3988 | |||
3989 | remove_wait_queue(&tu->qchange_sleep, &wait); | ||
3990 | |||
3991 | + if (tu->disconnected) { | ||
3992 | + err = -ENODEV; | ||
3993 | + break; | ||
3994 | + } | ||
3995 | if (signal_pending(current)) { | ||
3996 | err = -ERESTARTSYS; | ||
3997 | break; | ||
3998 | @@ -1915,6 +1977,8 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait) | ||
3999 | mask = 0; | ||
4000 | if (tu->qused) | ||
4001 | mask |= POLLIN | POLLRDNORM; | ||
4002 | + if (tu->disconnected) | ||
4003 | + mask |= POLLERR; | ||
4004 | |||
4005 | return mask; | ||
4006 | } | ||
4007 | diff --git a/sound/firewire/bebob/Makefile b/sound/firewire/bebob/Makefile | ||
4008 | index 6cf470c80d1f..af7ed6643266 100644 | ||
4009 | --- a/sound/firewire/bebob/Makefile | ||
4010 | +++ b/sound/firewire/bebob/Makefile | ||
4011 | @@ -1,4 +1,4 @@ | ||
4012 | snd-bebob-objs := bebob_command.o bebob_stream.o bebob_proc.o bebob_midi.o \ | ||
4013 | bebob_pcm.o bebob_hwdep.o bebob_terratec.o bebob_yamaha.o \ | ||
4014 | bebob_focusrite.o bebob_maudio.o bebob.o | ||
4015 | -obj-m += snd-bebob.o | ||
4016 | +obj-$(CONFIG_SND_BEBOB) += snd-bebob.o | ||
4017 | diff --git a/sound/firewire/dice/Makefile b/sound/firewire/dice/Makefile | ||
4018 | index 9ef228ef7baf..55b4be9b0034 100644 | ||
4019 | --- a/sound/firewire/dice/Makefile | ||
4020 | +++ b/sound/firewire/dice/Makefile | ||
4021 | @@ -1,3 +1,3 @@ | ||
4022 | snd-dice-objs := dice-transaction.o dice-stream.o dice-proc.o dice-midi.o \ | ||
4023 | dice-pcm.o dice-hwdep.o dice.o | ||
4024 | -obj-m += snd-dice.o | ||
4025 | +obj-$(CONFIG_SND_DICE) += snd-dice.o | ||
4026 | diff --git a/sound/firewire/fireworks/Makefile b/sound/firewire/fireworks/Makefile | ||
4027 | index 0c7440826db8..15ef7f75a8ef 100644 | ||
4028 | --- a/sound/firewire/fireworks/Makefile | ||
4029 | +++ b/sound/firewire/fireworks/Makefile | ||
4030 | @@ -1,4 +1,4 @@ | ||
4031 | snd-fireworks-objs := fireworks_transaction.o fireworks_command.o \ | ||
4032 | fireworks_stream.o fireworks_proc.o fireworks_midi.o \ | ||
4033 | fireworks_pcm.o fireworks_hwdep.o fireworks.o | ||
4034 | -obj-m += snd-fireworks.o | ||
4035 | +obj-$(CONFIG_SND_FIREWORKS) += snd-fireworks.o | ||
4036 | diff --git a/sound/firewire/oxfw/Makefile b/sound/firewire/oxfw/Makefile | ||
4037 | index a926850864f6..06ff50f4e6c0 100644 | ||
4038 | --- a/sound/firewire/oxfw/Makefile | ||
4039 | +++ b/sound/firewire/oxfw/Makefile | ||
4040 | @@ -1,3 +1,3 @@ | ||
4041 | snd-oxfw-objs := oxfw-command.o oxfw-stream.o oxfw-control.o oxfw-pcm.o \ | ||
4042 | oxfw-proc.o oxfw-midi.o oxfw-hwdep.o oxfw.o | ||
4043 | -obj-m += snd-oxfw.o | ||
4044 | +obj-$(CONFIG_SND_OXFW) += snd-oxfw.o | ||
4045 | diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c | ||
4046 | index 44dfc7b92bc3..09920ba55ba1 100644 | ||
4047 | --- a/sound/pci/hda/hda_intel.c | ||
4048 | +++ b/sound/pci/hda/hda_intel.c | ||
4049 | @@ -329,6 +329,7 @@ enum { | ||
4050 | |||
4051 | #define AZX_DCAPS_PRESET_CTHDA \ | ||
4052 | (AZX_DCAPS_NO_MSI | AZX_DCAPS_POSFIX_LPIB |\ | ||
4053 | + AZX_DCAPS_NO_64BIT |\ | ||
4054 | AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF) | ||
4055 | |||
4056 | /* | ||
4057 | @@ -839,6 +840,36 @@ static int azx_resume(struct device *dev) | ||
4058 | } | ||
4059 | #endif /* CONFIG_PM_SLEEP || SUPPORT_VGA_SWITCHEROO */ | ||
4060 | |||
4061 | +#ifdef CONFIG_PM_SLEEP | ||
4062 | +/* put codec down to D3 at hibernation for Intel SKL+; | ||
4063 | + * otherwise BIOS may still access the codec and screw up the driver | ||
4064 | + */ | ||
4065 | +#define IS_SKL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa170) | ||
4066 | +#define IS_SKL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d70) | ||
4067 | +#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) | ||
4068 | +#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) | ||
4069 | + | ||
4070 | +static int azx_freeze_noirq(struct device *dev) | ||
4071 | +{ | ||
4072 | + struct pci_dev *pci = to_pci_dev(dev); | ||
4073 | + | ||
4074 | + if (IS_SKL_PLUS(pci)) | ||
4075 | + pci_set_power_state(pci, PCI_D3hot); | ||
4076 | + | ||
4077 | + return 0; | ||
4078 | +} | ||
4079 | + | ||
4080 | +static int azx_thaw_noirq(struct device *dev) | ||
4081 | +{ | ||
4082 | + struct pci_dev *pci = to_pci_dev(dev); | ||
4083 | + | ||
4084 | + if (IS_SKL_PLUS(pci)) | ||
4085 | + pci_set_power_state(pci, PCI_D0); | ||
4086 | + | ||
4087 | + return 0; | ||
4088 | +} | ||
4089 | +#endif /* CONFIG_PM_SLEEP */ | ||
4090 | + | ||
4091 | #ifdef CONFIG_PM | ||
4092 | static int azx_runtime_suspend(struct device *dev) | ||
4093 | { | ||
4094 | @@ -939,6 +970,10 @@ static int azx_runtime_idle(struct device *dev) | ||
4095 | |||
4096 | static const struct dev_pm_ops azx_pm = { | ||
4097 | SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) | ||
4098 | +#ifdef CONFIG_PM_SLEEP | ||
4099 | + .freeze_noirq = azx_freeze_noirq, | ||
4100 | + .thaw_noirq = azx_thaw_noirq, | ||
4101 | +#endif | ||
4102 | SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) | ||
4103 | }; | ||
4104 | |||
4105 | @@ -1937,9 +1972,17 @@ out_free: | ||
4106 | static void azx_remove(struct pci_dev *pci) | ||
4107 | { | ||
4108 | struct snd_card *card = pci_get_drvdata(pci); | ||
4109 | + struct azx *chip; | ||
4110 | + struct hda_intel *hda; | ||
4111 | + | ||
4112 | + if (card) { | ||
4113 | + /* flush the pending probing work */ | ||
4114 | + chip = card->private_data; | ||
4115 | + hda = container_of(chip, struct hda_intel, chip); | ||
4116 | + flush_work(&hda->probe_work); | ||
4117 | |||
4118 | - if (card) | ||
4119 | snd_card_free(card); | ||
4120 | + } | ||
4121 | } | ||
4122 | |||
4123 | static void azx_shutdown(struct pci_dev *pci) | ||
4124 | @@ -1976,6 +2019,11 @@ static const struct pci_device_id azx_ids[] = { | ||
4125 | .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, | ||
4126 | { PCI_DEVICE(0x8086, 0x8d21), | ||
4127 | .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, | ||
4128 | + /* Lewisburg */ | ||
4129 | + { PCI_DEVICE(0x8086, 0xa1f0), | ||
4130 | + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, | ||
4131 | + { PCI_DEVICE(0x8086, 0xa270), | ||
4132 | + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, | ||
4133 | /* Lynx Point-LP */ | ||
4134 | { PCI_DEVICE(0x8086, 0x9c20), | ||
4135 | .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH }, | ||
4136 | @@ -2156,11 +2204,13 @@ static const struct pci_device_id azx_ids[] = { | ||
4137 | .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8, | ||
4138 | .class_mask = 0xffffff, | ||
4139 | .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | | ||
4140 | + AZX_DCAPS_NO_64BIT | | ||
4141 | AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB }, | ||
4142 | #else | ||
4143 | /* this entry seems still valid -- i.e. without emu20kx chip */ | ||
4144 | { PCI_DEVICE(0x1102, 0x0009), | ||
4145 | .driver_data = AZX_DRIVER_CTX | AZX_DCAPS_CTX_WORKAROUND | | ||
4146 | + AZX_DCAPS_NO_64BIT | | ||
4147 | AZX_DCAPS_RIRB_PRE_DELAY | AZX_DCAPS_POSFIX_LPIB }, | ||
4148 | #endif | ||
4149 | /* CM8888 */ | ||
4150 | diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c | ||
4151 | index 57bb5a559f8e..8189f02f8446 100644 | ||
4152 | --- a/sound/pci/hda/patch_realtek.c | ||
4153 | +++ b/sound/pci/hda/patch_realtek.c | ||
4154 | @@ -111,6 +111,7 @@ struct alc_spec { | ||
4155 | void (*power_hook)(struct hda_codec *codec); | ||
4156 | #endif | ||
4157 | void (*shutup)(struct hda_codec *codec); | ||
4158 | + void (*reboot_notify)(struct hda_codec *codec); | ||
4159 | |||
4160 | int init_amp; | ||
4161 | int codec_variant; /* flag for other variants */ | ||
4162 | @@ -773,6 +774,25 @@ static inline void alc_shutup(struct hda_codec *codec) | ||
4163 | snd_hda_shutup_pins(codec); | ||
4164 | } | ||
4165 | |||
4166 | +static void alc_reboot_notify(struct hda_codec *codec) | ||
4167 | +{ | ||
4168 | + struct alc_spec *spec = codec->spec; | ||
4169 | + | ||
4170 | + if (spec && spec->reboot_notify) | ||
4171 | + spec->reboot_notify(codec); | ||
4172 | + else | ||
4173 | + alc_shutup(codec); | ||
4174 | +} | ||
4175 | + | ||
4176 | +/* power down codec to D3 at reboot/shutdown; set as reboot_notify ops */ | ||
4177 | +static void alc_d3_at_reboot(struct hda_codec *codec) | ||
4178 | +{ | ||
4179 | + snd_hda_codec_set_power_to_all(codec, codec->core.afg, AC_PWRST_D3); | ||
4180 | + snd_hda_codec_write(codec, codec->core.afg, 0, | ||
4181 | + AC_VERB_SET_POWER_STATE, AC_PWRST_D3); | ||
4182 | + msleep(10); | ||
4183 | +} | ||
4184 | + | ||
4185 | #define alc_free snd_hda_gen_free | ||
4186 | |||
4187 | #ifdef CONFIG_PM | ||
4188 | @@ -818,7 +838,7 @@ static const struct hda_codec_ops alc_patch_ops = { | ||
4189 | .suspend = alc_suspend, | ||
4190 | .check_power_status = snd_hda_gen_check_power_status, | ||
4191 | #endif | ||
4192 | - .reboot_notify = alc_shutup, | ||
4193 | + .reboot_notify = alc_reboot_notify, | ||
4194 | }; | ||
4195 | |||
4196 | |||
4197 | @@ -1767,10 +1787,12 @@ enum { | ||
4198 | ALC889_FIXUP_MBA11_VREF, | ||
4199 | ALC889_FIXUP_MBA21_VREF, | ||
4200 | ALC889_FIXUP_MP11_VREF, | ||
4201 | + ALC889_FIXUP_MP41_VREF, | ||
4202 | ALC882_FIXUP_INV_DMIC, | ||
4203 | ALC882_FIXUP_NO_PRIMARY_HP, | ||
4204 | ALC887_FIXUP_ASUS_BASS, | ||
4205 | ALC887_FIXUP_BASS_CHMAP, | ||
4206 | + ALC882_FIXUP_DISABLE_AAMIX, | ||
4207 | }; | ||
4208 | |||
4209 | static void alc889_fixup_coef(struct hda_codec *codec, | ||
4210 | @@ -1854,7 +1876,7 @@ static void alc889_fixup_mbp_vref(struct hda_codec *codec, | ||
4211 | const struct hda_fixup *fix, int action) | ||
4212 | { | ||
4213 | struct alc_spec *spec = codec->spec; | ||
4214 | - static hda_nid_t nids[2] = { 0x14, 0x15 }; | ||
4215 | + static hda_nid_t nids[3] = { 0x14, 0x15, 0x19 }; | ||
4216 | int i; | ||
4217 | |||
4218 | if (action != HDA_FIXUP_ACT_INIT) | ||
4219 | @@ -1932,6 +1954,8 @@ static void alc882_fixup_no_primary_hp(struct hda_codec *codec, | ||
4220 | |||
4221 | static void alc_fixup_bass_chmap(struct hda_codec *codec, | ||
4222 | const struct hda_fixup *fix, int action); | ||
4223 | +static void alc_fixup_disable_aamix(struct hda_codec *codec, | ||
4224 | + const struct hda_fixup *fix, int action); | ||
4225 | |||
4226 | static const struct hda_fixup alc882_fixups[] = { | ||
4227 | [ALC882_FIXUP_ABIT_AW9D_MAX] = { | ||
4228 | @@ -2142,6 +2166,12 @@ static const struct hda_fixup alc882_fixups[] = { | ||
4229 | .chained = true, | ||
4230 | .chain_id = ALC885_FIXUP_MACPRO_GPIO, | ||
4231 | }, | ||
4232 | + [ALC889_FIXUP_MP41_VREF] = { | ||
4233 | + .type = HDA_FIXUP_FUNC, | ||
4234 | + .v.func = alc889_fixup_mbp_vref, | ||
4235 | + .chained = true, | ||
4236 | + .chain_id = ALC885_FIXUP_MACPRO_GPIO, | ||
4237 | + }, | ||
4238 | [ALC882_FIXUP_INV_DMIC] = { | ||
4239 | .type = HDA_FIXUP_FUNC, | ||
4240 | .v.func = alc_fixup_inv_dmic, | ||
4241 | @@ -2163,6 +2193,10 @@ static const struct hda_fixup alc882_fixups[] = { | ||
4242 | .type = HDA_FIXUP_FUNC, | ||
4243 | .v.func = alc_fixup_bass_chmap, | ||
4244 | }, | ||
4245 | + [ALC882_FIXUP_DISABLE_AAMIX] = { | ||
4246 | + .type = HDA_FIXUP_FUNC, | ||
4247 | + .v.func = alc_fixup_disable_aamix, | ||
4248 | + }, | ||
4249 | }; | ||
4250 | |||
4251 | static const struct snd_pci_quirk alc882_fixup_tbl[] = { | ||
4252 | @@ -2220,7 +2254,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { | ||
4253 | SND_PCI_QUIRK(0x106b, 0x3f00, "Macbook 5,1", ALC889_FIXUP_IMAC91_VREF), | ||
4254 | SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF), | ||
4255 | SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF), | ||
4256 | - SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO), | ||
4257 | + SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 4,1/5,1", ALC889_FIXUP_MP41_VREF), | ||
4258 | SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF), | ||
4259 | SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF), | ||
4260 | SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF), | ||
4261 | @@ -2230,6 +2264,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { | ||
4262 | SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), | ||
4263 | SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), | ||
4264 | SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE), | ||
4265 | + SND_PCI_QUIRK(0x1458, 0xa182, "Gigabyte Z170X-UD3", ALC882_FIXUP_DISABLE_AAMIX), | ||
4266 | SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX), | ||
4267 | SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD), | ||
4268 | SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD), | ||
4269 | @@ -4194,6 +4229,8 @@ static void alc_fixup_tpt440_dock(struct hda_codec *codec, | ||
4270 | struct alc_spec *spec = codec->spec; | ||
4271 | |||
4272 | if (action == HDA_FIXUP_ACT_PRE_PROBE) { | ||
4273 | + spec->shutup = alc_no_shutup; /* reduce click noise */ | ||
4274 | + spec->reboot_notify = alc_d3_at_reboot; /* reduce noise */ | ||
4275 | spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP; | ||
4276 | codec->power_save_node = 0; /* avoid click noises */ | ||
4277 | snd_hda_apply_pincfgs(codec, pincfgs); | ||
4278 | @@ -4525,6 +4562,7 @@ enum { | ||
4279 | ALC255_FIXUP_HEADSET_MODE_NO_HP_MIC, | ||
4280 | ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, | ||
4281 | ALC292_FIXUP_TPT440_DOCK, | ||
4282 | + ALC292_FIXUP_TPT440, | ||
4283 | ALC283_FIXUP_BXBT2807_MIC, | ||
4284 | ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED, | ||
4285 | ALC282_FIXUP_ASPIRE_V5_PINS, | ||
4286 | @@ -4993,6 +5031,12 @@ static const struct hda_fixup alc269_fixups[] = { | ||
4287 | .chained = true, | ||
4288 | .chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST | ||
4289 | }, | ||
4290 | + [ALC292_FIXUP_TPT440] = { | ||
4291 | + .type = HDA_FIXUP_FUNC, | ||
4292 | + .v.func = alc_fixup_disable_aamix, | ||
4293 | + .chained = true, | ||
4294 | + .chain_id = ALC292_FIXUP_TPT440_DOCK, | ||
4295 | + }, | ||
4296 | [ALC283_FIXUP_BXBT2807_MIC] = { | ||
4297 | .type = HDA_FIXUP_PINS, | ||
4298 | .v.pins = (const struct hda_pintbl[]) { | ||
4299 | @@ -5107,6 +5151,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { | ||
4300 | SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK), | ||
4301 | SND_PCI_QUIRK(0x1025, 0x0775, "Acer Aspire E1-572", ALC271_FIXUP_HP_GATE_MIC_JACK_E1_572), | ||
4302 | SND_PCI_QUIRK(0x1025, 0x079b, "Acer Aspire V5-573G", ALC282_FIXUP_ASPIRE_V5_PINS), | ||
4303 | + SND_PCI_QUIRK(0x1025, 0x106d, "Acer Cloudbook 14", ALC283_FIXUP_CHROME_BOOK), | ||
4304 | SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), | ||
4305 | SND_PCI_QUIRK(0x1028, 0x05ca, "Dell Latitude E7240", ALC292_FIXUP_DELL_E7X), | ||
4306 | SND_PCI_QUIRK(0x1028, 0x05cb, "Dell Latitude E7440", ALC292_FIXUP_DELL_E7X), | ||
4307 | @@ -5116,6 +5161,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { | ||
4308 | SND_PCI_QUIRK(0x1028, 0x05f6, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), | ||
4309 | SND_PCI_QUIRK(0x1028, 0x0615, "Dell Vostro 5470", ALC290_FIXUP_SUBWOOFER_HSJACK), | ||
4310 | SND_PCI_QUIRK(0x1028, 0x0616, "Dell Vostro 5470", ALC290_FIXUP_SUBWOOFER_HSJACK), | ||
4311 | + SND_PCI_QUIRK(0x1028, 0x062c, "Dell Latitude E5550", ALC292_FIXUP_DELL_E7X), | ||
4312 | SND_PCI_QUIRK(0x1028, 0x062e, "Dell Latitude E7450", ALC292_FIXUP_DELL_E7X), | ||
4313 | SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", ALC290_FIXUP_MONO_SPEAKERS_HSJACK), | ||
4314 | SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), | ||
4315 | @@ -5227,12 +5273,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { | ||
4316 | SND_PCI_QUIRK(0x17aa, 0x21fb, "Thinkpad T430s", ALC269_FIXUP_LENOVO_DOCK), | ||
4317 | SND_PCI_QUIRK(0x17aa, 0x2203, "Thinkpad X230 Tablet", ALC269_FIXUP_LENOVO_DOCK), | ||
4318 | SND_PCI_QUIRK(0x17aa, 0x2208, "Thinkpad T431s", ALC269_FIXUP_LENOVO_DOCK), | ||
4319 | - SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK), | ||
4320 | + SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440), | ||
4321 | SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK), | ||
4322 | SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK), | ||
4323 | SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK), | ||
4324 | SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK), | ||
4325 | SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), | ||
4326 | + SND_PCI_QUIRK(0x17aa, 0x2218, "Thinkpad X1 Carbon 2nd", ALC292_FIXUP_TPT440_DOCK), | ||
4327 | SND_PCI_QUIRK(0x17aa, 0x2223, "ThinkPad T550", ALC292_FIXUP_TPT440_DOCK), | ||
4328 | SND_PCI_QUIRK(0x17aa, 0x2226, "ThinkPad X250", ALC292_FIXUP_TPT440_DOCK), | ||
4329 | SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC), | ||
4330 | @@ -5322,6 +5369,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { | ||
4331 | {.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"}, | ||
4332 | {.id = ALC283_FIXUP_SENSE_COMBO_JACK, .name = "alc283-sense-combo"}, | ||
4333 | {.id = ALC292_FIXUP_TPT440_DOCK, .name = "tpt440-dock"}, | ||
4334 | + {.id = ALC292_FIXUP_TPT440, .name = "tpt440"}, | ||
4335 | {} | ||
4336 | }; | ||
4337 | |||
4338 | @@ -5448,6 +5496,10 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { | ||
4339 | SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, | ||
4340 | ALC255_STANDARD_PINS, | ||
4341 | {0x12, 0x90a60170}, | ||
4342 | + {0x14, 0x90171130}, | ||
4343 | + {0x21, 0x02211040}), | ||
4344 | + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, | ||
4345 | + {0x12, 0x90a60170}, | ||
4346 | {0x14, 0x90170140}, | ||
4347 | {0x17, 0x40000000}, | ||
4348 | {0x1d, 0x40700001}, | ||
4349 | @@ -6456,6 +6508,7 @@ static const struct hda_fixup alc662_fixups[] = { | ||
4350 | static const struct snd_pci_quirk alc662_fixup_tbl[] = { | ||
4351 | SND_PCI_QUIRK(0x1019, 0x9087, "ECS", ALC662_FIXUP_ASUS_MODE2), | ||
4352 | SND_PCI_QUIRK(0x1025, 0x022f, "Acer Aspire One", ALC662_FIXUP_INV_DMIC), | ||
4353 | + SND_PCI_QUIRK(0x1025, 0x0241, "Packard Bell DOTS", ALC662_FIXUP_INV_DMIC), | ||
4354 | SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE), | ||
4355 | SND_PCI_QUIRK(0x1025, 0x031c, "Gateway NV79", ALC662_FIXUP_SKU_IGNORE), | ||
4356 | SND_PCI_QUIRK(0x1025, 0x0349, "eMachines eM250", ALC662_FIXUP_INV_DMIC), | ||
4357 | @@ -6473,6 +6526,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { | ||
4358 | SND_PCI_QUIRK(0x1028, 0x069f, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), | ||
4359 | SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800), | ||
4360 | SND_PCI_QUIRK(0x1043, 0x11cd, "Asus N550", ALC662_FIXUP_BASS_1A), | ||
4361 | + SND_PCI_QUIRK(0x1043, 0x13df, "Asus N550JX", ALC662_FIXUP_BASS_1A), | ||
4362 | SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_BASS_MODE4_CHMAP), | ||
4363 | SND_PCI_QUIRK(0x1043, 0x15a7, "ASUS UX51VZH", ALC662_FIXUP_BASS_16), | ||
4364 | SND_PCI_QUIRK(0x1043, 0x1b73, "ASUS N55SF", ALC662_FIXUP_BASS_16), | ||
4365 | diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c | ||
4366 | index b1bc66783974..8e7d4c087a7a 100644 | ||
4367 | --- a/sound/pci/hda/patch_sigmatel.c | ||
4368 | +++ b/sound/pci/hda/patch_sigmatel.c | ||
4369 | @@ -702,6 +702,7 @@ static bool hp_bnb2011_with_dock(struct hda_codec *codec) | ||
4370 | static bool hp_blike_system(u32 subsystem_id) | ||
4371 | { | ||
4372 | switch (subsystem_id) { | ||
4373 | + case 0x103c1473: /* HP ProBook 6550b */ | ||
4374 | case 0x103c1520: | ||
4375 | case 0x103c1521: | ||
4376 | case 0x103c1523: | ||
4377 | @@ -3109,6 +3110,29 @@ static void stac92hd71bxx_fixup_hp_hdx(struct hda_codec *codec, | ||
4378 | spec->gpio_led = 0x08; | ||
4379 | } | ||
4380 | |||
4381 | +static bool is_hp_output(struct hda_codec *codec, hda_nid_t pin) | ||
4382 | +{ | ||
4383 | + unsigned int pin_cfg = snd_hda_codec_get_pincfg(codec, pin); | ||
4384 | + | ||
4385 | + /* count line-out, too, as BIOS sets often so */ | ||
4386 | + return get_defcfg_connect(pin_cfg) != AC_JACK_PORT_NONE && | ||
4387 | + (get_defcfg_device(pin_cfg) == AC_JACK_LINE_OUT || | ||
4388 | + get_defcfg_device(pin_cfg) == AC_JACK_HP_OUT); | ||
4389 | +} | ||
4390 | + | ||
4391 | +static void fixup_hp_headphone(struct hda_codec *codec, hda_nid_t pin) | ||
4392 | +{ | ||
4393 | + unsigned int pin_cfg = snd_hda_codec_get_pincfg(codec, pin); | ||
4394 | + | ||
4395 | + /* It was changed in the BIOS to just satisfy MS DTM. | ||
4396 | + * Lets turn it back into slaved HP | ||
4397 | + */ | ||
4398 | + pin_cfg = (pin_cfg & (~AC_DEFCFG_DEVICE)) | | ||
4399 | + (AC_JACK_HP_OUT << AC_DEFCFG_DEVICE_SHIFT); | ||
4400 | + pin_cfg = (pin_cfg & (~(AC_DEFCFG_DEF_ASSOC | AC_DEFCFG_SEQUENCE))) | | ||
4401 | + 0x1f; | ||
4402 | + snd_hda_codec_set_pincfg(codec, pin, pin_cfg); | ||
4403 | +} | ||
4404 | |||
4405 | static void stac92hd71bxx_fixup_hp(struct hda_codec *codec, | ||
4406 | const struct hda_fixup *fix, int action) | ||
4407 | @@ -3118,22 +3142,12 @@ static void stac92hd71bxx_fixup_hp(struct hda_codec *codec, | ||
4408 | if (action != HDA_FIXUP_ACT_PRE_PROBE) | ||
4409 | return; | ||
4410 | |||
4411 | - if (hp_blike_system(codec->core.subsystem_id)) { | ||
4412 | - unsigned int pin_cfg = snd_hda_codec_get_pincfg(codec, 0x0f); | ||
4413 | - if (get_defcfg_device(pin_cfg) == AC_JACK_LINE_OUT || | ||
4414 | - get_defcfg_device(pin_cfg) == AC_JACK_SPEAKER || | ||
4415 | - get_defcfg_device(pin_cfg) == AC_JACK_HP_OUT) { | ||
4416 | - /* It was changed in the BIOS to just satisfy MS DTM. | ||
4417 | - * Lets turn it back into slaved HP | ||
4418 | - */ | ||
4419 | - pin_cfg = (pin_cfg & (~AC_DEFCFG_DEVICE)) | ||
4420 | - | (AC_JACK_HP_OUT << | ||
4421 | - AC_DEFCFG_DEVICE_SHIFT); | ||
4422 | - pin_cfg = (pin_cfg & (~(AC_DEFCFG_DEF_ASSOC | ||
4423 | - | AC_DEFCFG_SEQUENCE))) | ||
4424 | - | 0x1f; | ||
4425 | - snd_hda_codec_set_pincfg(codec, 0x0f, pin_cfg); | ||
4426 | - } | ||
4427 | + /* when both output A and F are assigned, these are supposedly | ||
4428 | + * dock and built-in headphones; fix both pin configs | ||
4429 | + */ | ||
4430 | + if (is_hp_output(codec, 0x0a) && is_hp_output(codec, 0x0f)) { | ||
4431 | + fixup_hp_headphone(codec, 0x0a); | ||
4432 | + fixup_hp_headphone(codec, 0x0f); | ||
4433 | } | ||
4434 | |||
4435 | if (find_mute_led_cfg(codec, 1)) | ||
4436 | diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c | ||
4437 | index 2306ccf7281e..77c963ced67a 100644 | ||
4438 | --- a/sound/pci/rme96.c | ||
4439 | +++ b/sound/pci/rme96.c | ||
4440 | @@ -741,10 +741,11 @@ snd_rme96_playback_setrate(struct rme96 *rme96, | ||
4441 | { | ||
4442 | /* change to/from double-speed: reset the DAC (if available) */ | ||
4443 | snd_rme96_reset_dac(rme96); | ||
4444 | + return 1; /* need to restore volume */ | ||
4445 | } else { | ||
4446 | writel(rme96->wcreg, rme96->iobase + RME96_IO_CONTROL_REGISTER); | ||
4447 | + return 0; | ||
4448 | } | ||
4449 | - return 0; | ||
4450 | } | ||
4451 | |||
4452 | static int | ||
4453 | @@ -980,6 +981,7 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, | ||
4454 | struct rme96 *rme96 = snd_pcm_substream_chip(substream); | ||
4455 | struct snd_pcm_runtime *runtime = substream->runtime; | ||
4456 | int err, rate, dummy; | ||
4457 | + bool apply_dac_volume = false; | ||
4458 | |||
4459 | runtime->dma_area = (void __force *)(rme96->iobase + | ||
4460 | RME96_IO_PLAY_BUFFER); | ||
4461 | @@ -993,24 +995,26 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, | ||
4462 | { | ||
4463 | /* slave clock */ | ||
4464 | if ((int)params_rate(params) != rate) { | ||
4465 | - spin_unlock_irq(&rme96->lock); | ||
4466 | - return -EIO; | ||
4467 | - } | ||
4468 | - } else if ((err = snd_rme96_playback_setrate(rme96, params_rate(params))) < 0) { | ||
4469 | - spin_unlock_irq(&rme96->lock); | ||
4470 | - return err; | ||
4471 | - } | ||
4472 | - if ((err = snd_rme96_playback_setformat(rme96, params_format(params))) < 0) { | ||
4473 | - spin_unlock_irq(&rme96->lock); | ||
4474 | - return err; | ||
4475 | + err = -EIO; | ||
4476 | + goto error; | ||
4477 | + } | ||
4478 | + } else { | ||
4479 | + err = snd_rme96_playback_setrate(rme96, params_rate(params)); | ||
4480 | + if (err < 0) | ||
4481 | + goto error; | ||
4482 | + apply_dac_volume = err > 0; /* need to restore volume later? */ | ||
4483 | } | ||
4484 | + | ||
4485 | + err = snd_rme96_playback_setformat(rme96, params_format(params)); | ||
4486 | + if (err < 0) | ||
4487 | + goto error; | ||
4488 | snd_rme96_setframelog(rme96, params_channels(params), 1); | ||
4489 | if (rme96->capture_periodsize != 0) { | ||
4490 | if (params_period_size(params) << rme96->playback_frlog != | ||
4491 | rme96->capture_periodsize) | ||
4492 | { | ||
4493 | - spin_unlock_irq(&rme96->lock); | ||
4494 | - return -EBUSY; | ||
4495 | + err = -EBUSY; | ||
4496 | + goto error; | ||
4497 | } | ||
4498 | } | ||
4499 | rme96->playback_periodsize = | ||
4500 | @@ -1021,9 +1025,16 @@ snd_rme96_playback_hw_params(struct snd_pcm_substream *substream, | ||
4501 | rme96->wcreg &= ~(RME96_WCR_PRO | RME96_WCR_DOLBY | RME96_WCR_EMP); | ||
4502 | writel(rme96->wcreg |= rme96->wcreg_spdif_stream, rme96->iobase + RME96_IO_CONTROL_REGISTER); | ||
4503 | } | ||
4504 | + | ||
4505 | + err = 0; | ||
4506 | + error: | ||
4507 | spin_unlock_irq(&rme96->lock); | ||
4508 | - | ||
4509 | - return 0; | ||
4510 | + if (apply_dac_volume) { | ||
4511 | + usleep_range(3000, 10000); | ||
4512 | + snd_rme96_apply_dac_volume(rme96); | ||
4513 | + } | ||
4514 | + | ||
4515 | + return err; | ||
4516 | } | ||
4517 | |||
4518 | static int | ||
4519 | diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c | ||
4520 | index ee91edcf3cb0..13191891fc4c 100644 | ||
4521 | --- a/sound/soc/codecs/arizona.c | ||
4522 | +++ b/sound/soc/codecs/arizona.c | ||
4523 | @@ -1354,7 +1354,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream, | ||
4524 | bool reconfig; | ||
4525 | unsigned int aif_tx_state, aif_rx_state; | ||
4526 | |||
4527 | - if (params_rate(params) % 8000) | ||
4528 | + if (params_rate(params) % 4000) | ||
4529 | rates = &arizona_44k1_bclk_rates[0]; | ||
4530 | else | ||
4531 | rates = &arizona_48k_bclk_rates[0]; | ||
4532 | diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c | ||
4533 | index c5f35a07e8e4..3ad7f5be1cfa 100644 | ||
4534 | --- a/sound/soc/codecs/es8328.c | ||
4535 | +++ b/sound/soc/codecs/es8328.c | ||
4536 | @@ -85,7 +85,15 @@ static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 300, 0); | ||
4537 | static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0); | ||
4538 | static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 300, 0); | ||
4539 | |||
4540 | -static const int deemph_settings[] = { 0, 32000, 44100, 48000 }; | ||
4541 | +static const struct { | ||
4542 | + int rate; | ||
4543 | + unsigned int val; | ||
4544 | +} deemph_settings[] = { | ||
4545 | + { 0, ES8328_DACCONTROL6_DEEMPH_OFF }, | ||
4546 | + { 32000, ES8328_DACCONTROL6_DEEMPH_32k }, | ||
4547 | + { 44100, ES8328_DACCONTROL6_DEEMPH_44_1k }, | ||
4548 | + { 48000, ES8328_DACCONTROL6_DEEMPH_48k }, | ||
4549 | +}; | ||
4550 | |||
4551 | static int es8328_set_deemph(struct snd_soc_codec *codec) | ||
4552 | { | ||
4553 | @@ -97,21 +105,22 @@ static int es8328_set_deemph(struct snd_soc_codec *codec) | ||
4554 | * rate. | ||
4555 | */ | ||
4556 | if (es8328->deemph) { | ||
4557 | - best = 1; | ||
4558 | - for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { | ||
4559 | - if (abs(deemph_settings[i] - es8328->playback_fs) < | ||
4560 | - abs(deemph_settings[best] - es8328->playback_fs)) | ||
4561 | + best = 0; | ||
4562 | + for (i = 1; i < ARRAY_SIZE(deemph_settings); i++) { | ||
4563 | + if (abs(deemph_settings[i].rate - es8328->playback_fs) < | ||
4564 | + abs(deemph_settings[best].rate - es8328->playback_fs)) | ||
4565 | best = i; | ||
4566 | } | ||
4567 | |||
4568 | - val = best << 1; | ||
4569 | + val = deemph_settings[best].val; | ||
4570 | } else { | ||
4571 | - val = 0; | ||
4572 | + val = ES8328_DACCONTROL6_DEEMPH_OFF; | ||
4573 | } | ||
4574 | |||
4575 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); | ||
4576 | |||
4577 | - return snd_soc_update_bits(codec, ES8328_DACCONTROL6, 0x6, val); | ||
4578 | + return snd_soc_update_bits(codec, ES8328_DACCONTROL6, | ||
4579 | + ES8328_DACCONTROL6_DEEMPH_MASK, val); | ||
4580 | } | ||
4581 | |||
4582 | static int es8328_get_deemph(struct snd_kcontrol *kcontrol, | ||
4583 | diff --git a/sound/soc/codecs/es8328.h b/sound/soc/codecs/es8328.h | ||
4584 | index cb36afe10c0e..156c748c89c7 100644 | ||
4585 | --- a/sound/soc/codecs/es8328.h | ||
4586 | +++ b/sound/soc/codecs/es8328.h | ||
4587 | @@ -153,6 +153,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap); | ||
4588 | #define ES8328_DACCONTROL6_CLICKFREE (1 << 3) | ||
4589 | #define ES8328_DACCONTROL6_DAC_INVR (1 << 4) | ||
4590 | #define ES8328_DACCONTROL6_DAC_INVL (1 << 5) | ||
4591 | +#define ES8328_DACCONTROL6_DEEMPH_MASK (3 << 6) | ||
4592 | #define ES8328_DACCONTROL6_DEEMPH_OFF (0 << 6) | ||
4593 | #define ES8328_DACCONTROL6_DEEMPH_32k (1 << 6) | ||
4594 | #define ES8328_DACCONTROL6_DEEMPH_44_1k (2 << 6) | ||
4595 | diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c | ||
4596 | index 118b0034ba23..154c1a24a303 100644 | ||
4597 | --- a/sound/soc/codecs/wm8962.c | ||
4598 | +++ b/sound/soc/codecs/wm8962.c | ||
4599 | @@ -365,8 +365,8 @@ static struct reg_default wm8962_reg[] = { | ||
4600 | { 16924, 0x0059 }, /* R16924 - HDBASS_PG_1 */ | ||
4601 | { 16925, 0x999A }, /* R16925 - HDBASS_PG_0 */ | ||
4602 | |||
4603 | - { 17048, 0x0083 }, /* R17408 - HPF_C_1 */ | ||
4604 | - { 17049, 0x98AD }, /* R17409 - HPF_C_0 */ | ||
4605 | + { 17408, 0x0083 }, /* R17408 - HPF_C_1 */ | ||
4606 | + { 17409, 0x98AD }, /* R17409 - HPF_C_0 */ | ||
4607 | |||
4608 | { 17920, 0x007F }, /* R17920 - ADCL_RETUNE_C1_1 */ | ||
4609 | { 17921, 0xFFFF }, /* R17921 - ADCL_RETUNE_C1_0 */ | ||
4610 | diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c | ||
4611 | index ff0e4646b934..88317c1b7f96 100644 | ||
4612 | --- a/sound/soc/codecs/wm8974.c | ||
4613 | +++ b/sound/soc/codecs/wm8974.c | ||
4614 | @@ -575,6 +575,7 @@ static const struct regmap_config wm8974_regmap = { | ||
4615 | .max_register = WM8974_MONOMIX, | ||
4616 | .reg_defaults = wm8974_reg_defaults, | ||
4617 | .num_reg_defaults = ARRAY_SIZE(wm8974_reg_defaults), | ||
4618 | + .cache_type = REGCACHE_FLAT, | ||
4619 | }; | ||
4620 | |||
4621 | static int wm8974_probe(struct snd_soc_codec *codec) | ||
4622 | diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c | ||
4623 | index 23c91fa65ab8..76dd8c6aa4f0 100644 | ||
4624 | --- a/sound/soc/davinci/davinci-mcasp.c | ||
4625 | +++ b/sound/soc/davinci/davinci-mcasp.c | ||
4626 | @@ -221,8 +221,8 @@ static void mcasp_start_tx(struct davinci_mcasp *mcasp) | ||
4627 | |||
4628 | /* wait for XDATA to be cleared */ | ||
4629 | cnt = 0; | ||
4630 | - while (!(mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & | ||
4631 | - ~XRDATA) && (cnt < 100000)) | ||
4632 | + while ((mcasp_get_reg(mcasp, DAVINCI_MCASP_TXSTAT_REG) & XRDATA) && | ||
4633 | + (cnt < 100000)) | ||
4634 | cnt++; | ||
4635 | |||
4636 | /* Release TX state machine */ | ||
4637 | diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c | ||
4638 | index 8c7dc51b1c4f..f7a0cb786d5c 100644 | ||
4639 | --- a/sound/soc/sh/rcar/gen.c | ||
4640 | +++ b/sound/soc/sh/rcar/gen.c | ||
4641 | @@ -214,7 +214,7 @@ static int rsnd_gen2_probe(struct platform_device *pdev, | ||
4642 | RSND_GEN_S_REG(SCU_SYS_STATUS0, 0x1c8), | ||
4643 | RSND_GEN_S_REG(SCU_SYS_INT_EN0, 0x1cc), | ||
4644 | RSND_GEN_S_REG(SCU_SYS_STATUS1, 0x1d0), | ||
4645 | - RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1c4), | ||
4646 | + RSND_GEN_S_REG(SCU_SYS_INT_EN1, 0x1d4), | ||
4647 | RSND_GEN_M_REG(SRC_SWRSR, 0x200, 0x40), | ||
4648 | RSND_GEN_M_REG(SRC_SRCIR, 0x204, 0x40), | ||
4649 | RSND_GEN_M_REG(SRC_ADINR, 0x214, 0x40), | ||
4650 | diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c | ||
4651 | index 025c38fbe3c0..1874cf0e6cab 100644 | ||
4652 | --- a/sound/soc/soc-compress.c | ||
4653 | +++ b/sound/soc/soc-compress.c | ||
4654 | @@ -623,6 +623,7 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) | ||
4655 | struct snd_pcm *be_pcm; | ||
4656 | char new_name[64]; | ||
4657 | int ret = 0, direction = 0; | ||
4658 | + int playback = 0, capture = 0; | ||
4659 | |||
4660 | if (rtd->num_codecs > 1) { | ||
4661 | dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n"); | ||
4662 | @@ -634,11 +635,27 @@ int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) | ||
4663 | rtd->dai_link->stream_name, codec_dai->name, num); | ||
4664 | |||
4665 | if (codec_dai->driver->playback.channels_min) | ||
4666 | + playback = 1; | ||
4667 | + if (codec_dai->driver->capture.channels_min) | ||
4668 | + capture = 1; | ||
4669 | + | ||
4670 | + capture = capture && cpu_dai->driver->capture.channels_min; | ||
4671 | + playback = playback && cpu_dai->driver->playback.channels_min; | ||
4672 | + | ||
4673 | + /* | ||
4674 | + * Compress devices are unidirectional so only one of the directions | ||
4675 | + * should be set, check for that (xor) | ||
4676 | + */ | ||
4677 | + if (playback + capture != 1) { | ||
4678 | + dev_err(rtd->card->dev, "Invalid direction for compress P %d, C %d\n", | ||
4679 | + playback, capture); | ||
4680 | + return -EINVAL; | ||
4681 | + } | ||
4682 | + | ||
4683 | + if(playback) | ||
4684 | direction = SND_COMPRESS_PLAYBACK; | ||
4685 | - else if (codec_dai->driver->capture.channels_min) | ||
4686 | - direction = SND_COMPRESS_CAPTURE; | ||
4687 | else | ||
4688 | - return -EINVAL; | ||
4689 | + direction = SND_COMPRESS_CAPTURE; | ||
4690 | |||
4691 | compr = kzalloc(sizeof(*compr), GFP_KERNEL); | ||
4692 | if (compr == NULL) { | ||
4693 | diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c | ||
4694 | index cd8ed2e393a2..f9a9752d4dbc 100644 | ||
4695 | --- a/sound/usb/mixer.c | ||
4696 | +++ b/sound/usb/mixer.c | ||
4697 | @@ -1336,6 +1336,8 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, | ||
4698 | } | ||
4699 | } | ||
4700 | |||
4701 | + snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl); | ||
4702 | + | ||
4703 | range = (cval->max - cval->min) / cval->res; | ||
4704 | /* | ||
4705 | * Are there devices with volume range more than 255? I use a bit more | ||
4706 | diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c | ||
4707 | index 6a803eff87f7..ddca6547399b 100644 | ||
4708 | --- a/sound/usb/mixer_maps.c | ||
4709 | +++ b/sound/usb/mixer_maps.c | ||
4710 | @@ -348,13 +348,6 @@ static struct usbmix_name_map bose_companion5_map[] = { | ||
4711 | { 0 } /* terminator */ | ||
4712 | }; | ||
4713 | |||
4714 | -/* Dragonfly DAC 1.2, the dB conversion factor is 1 instead of 256 */ | ||
4715 | -static struct usbmix_dB_map dragonfly_1_2_dB = {0, 5000}; | ||
4716 | -static struct usbmix_name_map dragonfly_1_2_map[] = { | ||
4717 | - { 7, NULL, .dB = &dragonfly_1_2_dB }, | ||
4718 | - { 0 } /* terminator */ | ||
4719 | -}; | ||
4720 | - | ||
4721 | /* | ||
4722 | * Control map entries | ||
4723 | */ | ||
4724 | @@ -470,11 +463,6 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { | ||
4725 | .id = USB_ID(0x05a7, 0x1020), | ||
4726 | .map = bose_companion5_map, | ||
4727 | }, | ||
4728 | - { | ||
4729 | - /* Dragonfly DAC 1.2 */ | ||
4730 | - .id = USB_ID(0x21b4, 0x0081), | ||
4731 | - .map = dragonfly_1_2_map, | ||
4732 | - }, | ||
4733 | { 0 } /* terminator */ | ||
4734 | }; | ||
4735 | |||
4736 | diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c | ||
4737 | index 337c317ead6f..db9547d04f38 100644 | ||
4738 | --- a/sound/usb/mixer_quirks.c | ||
4739 | +++ b/sound/usb/mixer_quirks.c | ||
4740 | @@ -37,6 +37,7 @@ | ||
4741 | #include <sound/control.h> | ||
4742 | #include <sound/hwdep.h> | ||
4743 | #include <sound/info.h> | ||
4744 | +#include <sound/tlv.h> | ||
4745 | |||
4746 | #include "usbaudio.h" | ||
4747 | #include "mixer.h" | ||
4748 | @@ -802,7 +803,7 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol, | ||
4749 | return 0; | ||
4750 | |||
4751 | kcontrol->private_value &= ~(0xff << 24); | ||
4752 | - kcontrol->private_value |= newval; | ||
4753 | + kcontrol->private_value |= (unsigned int)newval << 24; | ||
4754 | err = snd_ni_update_cur_val(list); | ||
4755 | return err < 0 ? err : 1; | ||
4756 | } | ||
4757 | @@ -1843,3 +1844,39 @@ void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, | ||
4758 | } | ||
4759 | } | ||
4760 | |||
4761 | +static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer, | ||
4762 | + struct snd_kcontrol *kctl) | ||
4763 | +{ | ||
4764 | + /* Approximation using 10 ranges based on output measurement on hw v1.2. | ||
4765 | + * This seems close to the cubic mapping e.g. alsamixer uses. */ | ||
4766 | + static const DECLARE_TLV_DB_RANGE(scale, | ||
4767 | + 0, 1, TLV_DB_MINMAX_ITEM(-5300, -4970), | ||
4768 | + 2, 5, TLV_DB_MINMAX_ITEM(-4710, -4160), | ||
4769 | + 6, 7, TLV_DB_MINMAX_ITEM(-3884, -3710), | ||
4770 | + 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560), | ||
4771 | + 15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324), | ||
4772 | + 17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031), | ||
4773 | + 20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393), | ||
4774 | + 27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032), | ||
4775 | + 32, 40, TLV_DB_MINMAX_ITEM(-968, -490), | ||
4776 | + 41, 50, TLV_DB_MINMAX_ITEM(-441, 0), | ||
4777 | + ); | ||
4778 | + | ||
4779 | + usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk\n"); | ||
4780 | + kctl->tlv.p = scale; | ||
4781 | + kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; | ||
4782 | + kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; | ||
4783 | +} | ||
4784 | + | ||
4785 | +void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, | ||
4786 | + struct usb_mixer_elem_info *cval, int unitid, | ||
4787 | + struct snd_kcontrol *kctl) | ||
4788 | +{ | ||
4789 | + switch (mixer->chip->usb_id) { | ||
4790 | + case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */ | ||
4791 | + if (unitid == 7 && cval->min == 0 && cval->max == 50) | ||
4792 | + snd_dragonfly_quirk_db_scale(mixer, kctl); | ||
4793 | + break; | ||
4794 | + } | ||
4795 | +} | ||
4796 | + | ||
4797 | diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h | ||
4798 | index bdbfab093816..177c329cd4dd 100644 | ||
4799 | --- a/sound/usb/mixer_quirks.h | ||
4800 | +++ b/sound/usb/mixer_quirks.h | ||
4801 | @@ -9,5 +9,9 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, | ||
4802 | void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, | ||
4803 | int unitid); | ||
4804 | |||
4805 | +void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, | ||
4806 | + struct usb_mixer_elem_info *cval, int unitid, | ||
4807 | + struct snd_kcontrol *kctl); | ||
4808 | + | ||
4809 | #endif /* SND_USB_MIXER_QUIRKS_H */ | ||
4810 | |||
4811 | diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c | ||
4812 | index eef9b8e4b949..fb9a8a5787a6 100644 | ||
4813 | --- a/sound/usb/quirks.c | ||
4814 | +++ b/sound/usb/quirks.c | ||
4815 | @@ -1122,6 +1122,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) | ||
4816 | case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */ | ||
4817 | case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ | ||
4818 | case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ | ||
4819 | + case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ | ||
4820 | return true; | ||
4821 | } | ||
4822 | return false; | ||
4823 | @@ -1265,6 +1266,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, | ||
4824 | case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */ | ||
4825 | case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */ | ||
4826 | case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */ | ||
4827 | + case USB_ID(0x22d8, 0x0416): /* OPPO HA-1*/ | ||
4828 | if (fp->altsetting == 2) | ||
4829 | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | ||
4830 | break; |