diff --git a/arch/arm/boot/dts/kirkwood-dns320.dts b/arch/arm/boot/dts/kirkwood-dns320.dts index 5bb0bf3..c9c44b2 100644 --- a/arch/arm/boot/dts/kirkwood-dns320.dts +++ b/arch/arm/boot/dts/kirkwood-dns320.dts @@ -42,12 +42,10 @@ ocp@f1000000 { serial@12000 { - clock-frequency = <166666667>; status = "okay"; }; serial@12100 { - clock-frequency = <166666667>; status = "okay"; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dns325.dts b/arch/arm/boot/dts/kirkwood-dns325.dts index d430713..e4e4930 100644 --- a/arch/arm/boot/dts/kirkwood-dns325.dts +++ b/arch/arm/boot/dts/kirkwood-dns325.dts @@ -50,7 +50,6 @@ }; }; serial@12000 { - clock-frequency = <200000000>; status = "okay"; }; }; diff --git a/arch/arm/boot/dts/kirkwood-dockstar.dts b/arch/arm/boot/dts/kirkwood-dockstar.dts index 2e3dd34..0196cf6 100644 --- a/arch/arm/boot/dts/kirkwood-dockstar.dts +++ b/arch/arm/boot/dts/kirkwood-dockstar.dts @@ -37,7 +37,6 @@ }; }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts index f2d386c..e21ae48 100644 --- a/arch/arm/boot/dts/kirkwood-dreamplug.dts +++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts @@ -38,7 +38,6 @@ }; }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-goflexnet.dts b/arch/arm/boot/dts/kirkwood-goflexnet.dts index 1b133e0..bd83b8f 100644 --- a/arch/arm/boot/dts/kirkwood-goflexnet.dts +++ b/arch/arm/boot/dts/kirkwood-goflexnet.dts @@ -73,7 +73,6 @@ }; }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-ib62x0.dts b/arch/arm/boot/dts/kirkwood-ib62x0.dts index 71902da..5335b1a 100644 --- a/arch/arm/boot/dts/kirkwood-ib62x0.dts +++ b/arch/arm/boot/dts/kirkwood-ib62x0.dts @@ -51,7 +51,6 @@ }; }; serial@12000 { - clock-frequency = <200000000>; status = "okay"; }; diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts index 504f16b..12ccf74 100644 --- a/arch/arm/boot/dts/kirkwood-iconnect.dts +++ b/arch/arm/boot/dts/kirkwood-iconnect.dts @@ -78,7 +78,6 @@ }; }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts index 6cae459..93c3afb 100644 --- a/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts +++ b/arch/arm/boot/dts/kirkwood-iomega_ix2_200.dts @@ -115,7 +115,6 @@ }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts index 8db3123..5bbd054 100644 --- a/arch/arm/boot/dts/kirkwood-km_kirkwood.dts +++ b/arch/arm/boot/dts/kirkwood-km_kirkwood.dts @@ -34,7 +34,6 @@ }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-lschlv2.dts b/arch/arm/boot/dts/kirkwood-lschlv2.dts index 9510c9e..9f55d95 100644 --- a/arch/arm/boot/dts/kirkwood-lschlv2.dts +++ b/arch/arm/boot/dts/kirkwood-lschlv2.dts @@ -13,7 +13,6 @@ ocp@f1000000 { serial@12000 { - clock-frequency = <166666667>; status = "okay"; }; }; diff --git a/arch/arm/boot/dts/kirkwood-lsxhl.dts b/arch/arm/boot/dts/kirkwood-lsxhl.dts index 739019c..5c84c11 100644 --- a/arch/arm/boot/dts/kirkwood-lsxhl.dts +++ b/arch/arm/boot/dts/kirkwood-lsxhl.dts @@ -13,7 +13,6 @@ ocp@f1000000 { serial@12000 { - clock-frequency = <200000000>; status = "okay"; }; }; diff --git a/arch/arm/boot/dts/kirkwood-mplcec4.dts b/arch/arm/boot/dts/kirkwood-mplcec4.dts index 262c654..07be213 100644 --- a/arch/arm/boot/dts/kirkwood-mplcec4.dts +++ b/arch/arm/boot/dts/kirkwood-mplcec4.dts @@ -91,7 +91,6 @@ }; serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi index 77d21ab..f0245c1 100644 --- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi +++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi @@ -23,7 +23,6 @@ }; serial@12000 { - clock-frequency = <166666667>; status = "okay"; }; diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts index 5509f96..28d05e4 100644 --- a/arch/arm/boot/dts/kirkwood-nsa310.dts +++ b/arch/arm/boot/dts/kirkwood-nsa310.dts @@ -18,7 +18,6 @@ ocp@f1000000 { serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts index 49d3d74..f3cc7c4 100644 --- a/arch/arm/boot/dts/kirkwood-openblocks_a6.dts +++ b/arch/arm/boot/dts/kirkwood-openblocks_a6.dts @@ -18,12 +18,10 @@ ocp@f1000000 { serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; serial@12100 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood-topkick.dts b/arch/arm/boot/dts/kirkwood-topkick.dts index cd15452..7dd19ff 100644 --- a/arch/arm/boot/dts/kirkwood-topkick.dts +++ b/arch/arm/boot/dts/kirkwood-topkick.dts @@ -17,7 +17,6 @@ ocp@f1000000 { serial@12000 { - clock-frequency = <200000000>; status = "ok"; }; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index d6ab442..ad26d92 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -38,6 +38,7 @@ interrupt-controller; #interrupt-cells = <2>; interrupts = <35>, <36>, <37>, <38>; + clocks = <&gate_clk 7>; }; gpio1: gpio@10140 { @@ -49,6 +50,7 @@ interrupt-controller; #interrupt-cells = <2>; interrupts = <39>, <40>, <41>; + clocks = <&gate_clk 7>; }; serial@12000 { @@ -57,7 +59,6 @@ reg-shift = <2>; interrupts = <33>; clocks = <&gate_clk 7>; - /* set clock-frequency in board dts */ status = "disabled"; }; @@ -67,7 +68,6 @@ reg-shift = <2>; interrupts = <34>; clocks = <&gate_clk 7>; - /* set clock-frequency in board dts */ status = "disabled"; }; @@ -75,6 +75,7 @@ compatible = "marvell,kirkwood-rtc", "marvell,orion-rtc"; reg = <0x10300 0x20>; interrupts = <53>; + clocks = <&gate_clk 7>; }; spi@10600 { diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig index 7bf5351..a55b206 100644 --- a/arch/arm/configs/mxs_defconfig +++ b/arch/arm/configs/mxs_defconfig @@ -118,6 +118,7 @@ CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FONTS=y CONFIG_LOGO=y CONFIG_USB=y +CONFIG_USB_EHCI_HCD=y CONFIG_USB_CHIPIDEA=y CONFIG_USB_CHIPIDEA_HOST=y CONFIG_USB_STORAGE=y diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h index ab98fdd..720799f 100644 --- a/arch/arm/include/asm/delay.h +++ b/arch/arm/include/asm/delay.h @@ -24,6 +24,7 @@ extern struct arm_delay_ops { void (*delay)(unsigned long); void (*const_udelay)(unsigned long); void (*udelay)(unsigned long); + bool const_clock; } arm_delay_ops; #define __delay(n) arm_delay_ops.delay(n) diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h index 9f77e78..e3d5554 100644 --- a/arch/arm/include/asm/mmu.h +++ b/arch/arm/include/asm/mmu.h @@ -5,15 +5,15 @@ typedef struct { #ifdef CONFIG_CPU_HAS_ASID - u64 id; + atomic64_t id; #endif - unsigned int vmalloc_seq; + unsigned int vmalloc_seq; } mm_context_t; #ifdef CONFIG_CPU_HAS_ASID #define ASID_BITS 8 #define ASID_MASK ((~0ULL) << ASID_BITS) -#define ASID(mm) ((mm)->context.id & ~ASID_MASK) +#define ASID(mm) ((mm)->context.id.counter & ~ASID_MASK) #else #define ASID(mm) (0) #endif @@ -26,7 +26,7 @@ typedef struct { * modified for 2.6 by Hyok S. Choi */ typedef struct { - unsigned long end_brk; + unsigned long end_brk; } mm_context_t; #endif diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index e1f644b..863a661 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -25,7 +25,7 @@ void __check_vmalloc_seq(struct mm_struct *mm); #ifdef CONFIG_CPU_HAS_ASID void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk); -#define init_new_context(tsk,mm) ({ mm->context.id = 0; }) +#define init_new_context(tsk,mm) ({ atomic64_set(&mm->context.id, 0); 0; }) #else /* !CONFIG_CPU_HAS_ASID */ diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 9c82f988..c094749 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -240,7 +240,8 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; } static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | L_PTE_NONE; + const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | + L_PTE_NONE | L_PTE_VALID; pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); return pte; } diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index c985b48..cf10d18 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -107,7 +107,7 @@ int main(void) BLANK(); #endif #ifdef CONFIG_CPU_HAS_ASID - DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id)); + DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id.counter)); BLANK(); #endif DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm)); diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 486a15a..e0eb9a1 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -184,13 +184,22 @@ __create_page_tables: orr r3, r3, #3 @ PGD block type mov r6, #4 @ PTRS_PER_PGD mov r7, #1 << (55 - 32) @ L_PGD_SWAPPER -1: str r3, [r0], #4 @ set bottom PGD entry bits +1: +#ifdef CONFIG_CPU_ENDIAN_BE8 str r7, [r0], #4 @ set top PGD entry bits + str r3, [r0], #4 @ set bottom PGD entry bits +#else + str r3, [r0], #4 @ set bottom PGD entry bits + str r7, [r0], #4 @ set top PGD entry bits +#endif add r3, r3, #0x1000 @ next PMD table subs r6, r6, #1 bne 1b add r4, r4, #0x1000 @ point to the PMD tables +#ifdef CONFIG_CPU_ENDIAN_BE8 + add r4, r4, #4 @ we only write the bottom word +#endif #endif ldr r7, [r10, #PROCINFO_MM_MMUFLAGS] @ mm_mmuflags @@ -258,6 +267,11 @@ __create_page_tables: addne r6, r6, #1 << SECTION_SHIFT strne r6, [r3] +#if defined(CONFIG_LPAE) && defined(CONFIG_CPU_ENDIAN_BE8) + sub r4, r4, #4 @ Fixup page table pointer + @ for 64-bit descriptors +#endif + #ifdef CONFIG_DEBUG_LL #if !defined(CONFIG_DEBUG_ICEDCC) && !defined(CONFIG_DEBUG_SEMIHOSTING) /* @@ -276,13 +290,17 @@ __create_page_tables: orr r3, r7, r3, lsl #SECTION_SHIFT #ifdef CONFIG_ARM_LPAE mov r7, #1 << (54 - 32) @ XN +#ifdef CONFIG_CPU_ENDIAN_BE8 + str r7, [r0], #4 + str r3, [r0], #4 #else - orr r3, r3, #PMD_SECT_XN -#endif str r3, [r0], #4 -#ifdef CONFIG_ARM_LPAE str r7, [r0], #4 #endif +#else + orr r3, r3, #PMD_SECT_XN + str r3, [r0], #4 +#endif #else /* CONFIG_DEBUG_ICEDCC || CONFIG_DEBUG_SEMIHOSTING */ /* we don't need any serial debugging mappings */ diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index 4fbc757..89ede24 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -774,7 +774,7 @@ static const unsigned armv7_a7_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] /* * PMXEVTYPER: Event selection reg */ -#define ARMV7_EVTYPE_MASK 0xc00000ff /* Mask for writable bits */ +#define ARMV7_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */ #define ARMV7_EVTYPE_EVENT 0xff /* Mask for EVENT bits */ /* diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 84f4cbf..58af91c 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -693,6 +693,9 @@ static int cpufreq_callback(struct notifier_block *nb, if (freq->flags & CPUFREQ_CONST_LOOPS) return NOTIFY_OK; + if (arm_delay_ops.const_clock) + return NOTIFY_OK; + if (!per_cpu(l_p_j_ref, cpu)) { per_cpu(l_p_j_ref, cpu) = per_cpu(cpu_data, cpu).loops_per_jiffy; diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c index 0dc5385..6b93f6a 100644 --- a/arch/arm/lib/delay.c +++ b/arch/arm/lib/delay.c @@ -77,6 +77,7 @@ void __init register_current_timer_delay(const struct delay_timer *timer) arm_delay_ops.delay = __timer_delay; arm_delay_ops.const_udelay = __timer_const_udelay; arm_delay_ops.udelay = __timer_udelay; + arm_delay_ops.const_clock = true; delay_calibrated = true; } else { pr_info("Ignoring duplicate/late registration of read_current_timer delay\n"); diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index b820eda..db26e2e 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -749,7 +749,6 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) unsigned long instr = 0, instrptr; int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs); unsigned int type; - mm_segment_t fs; unsigned int fault; u16 tinstr = 0; int isize = 4; @@ -760,16 +759,15 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) instrptr = instruction_pointer(regs); - fs = get_fs(); - set_fs(KERNEL_DS); if (thumb_mode(regs)) { - fault = __get_user(tinstr, (u16 *)(instrptr & ~1)); + u16 *ptr = (u16 *)(instrptr & ~1); + fault = probe_kernel_address(ptr, tinstr); if (!fault) { if (cpu_architecture() >= CPU_ARCH_ARMv7 && IS_T32(tinstr)) { /* Thumb-2 32-bit */ u16 tinst2 = 0; - fault = __get_user(tinst2, (u16 *)(instrptr+2)); + fault = probe_kernel_address(ptr + 1, tinst2); instr = (tinstr << 16) | tinst2; thumb2_32b = 1; } else { @@ -778,8 +776,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) } } } else - fault = __get_user(instr, (u32 *)instrptr); - set_fs(fs); + fault = probe_kernel_address(instrptr, instr); if (fault) { type = TYPE_FAULT; diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index bc4a5e9..d07df17 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -149,9 +149,9 @@ static int is_reserved_asid(u64 asid) return 0; } -static void new_context(struct mm_struct *mm, unsigned int cpu) +static u64 new_context(struct mm_struct *mm, unsigned int cpu) { - u64 asid = mm->context.id; + u64 asid = atomic64_read(&mm->context.id); u64 generation = atomic64_read(&asid_generation); if (asid != 0 && is_reserved_asid(asid)) { @@ -178,13 +178,14 @@ static void new_context(struct mm_struct *mm, unsigned int cpu) cpumask_clear(mm_cpumask(mm)); } - mm->context.id = asid; + return asid; } void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) { unsigned long flags; unsigned int cpu = smp_processor_id(); + u64 asid; if (unlikely(mm->context.vmalloc_seq != init_mm.context.vmalloc_seq)) __check_vmalloc_seq(mm); @@ -195,20 +196,24 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) */ cpu_set_reserved_ttbr0(); - if (!((mm->context.id ^ atomic64_read(&asid_generation)) >> ASID_BITS) - && atomic64_xchg(&per_cpu(active_asids, cpu), mm->context.id)) + asid = atomic64_read(&mm->context.id); + if (!((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) + && atomic64_xchg(&per_cpu(active_asids, cpu), asid)) goto switch_mm_fastpath; raw_spin_lock_irqsave(&cpu_asid_lock, flags); /* Check that our ASID belongs to the current generation. */ - if ((mm->context.id ^ atomic64_read(&asid_generation)) >> ASID_BITS) - new_context(mm, cpu); - - atomic64_set(&per_cpu(active_asids, cpu), mm->context.id); - cpumask_set_cpu(cpu, mm_cpumask(mm)); + asid = atomic64_read(&mm->context.id); + if ((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) { + asid = new_context(mm, cpu); + atomic64_set(&mm->context.id, asid); + } if (cpumask_test_and_clear_cpu(cpu, &tlb_flush_pending)) local_flush_tlb_all(); + + atomic64_set(&per_cpu(active_asids, cpu), asid); + cpumask_set_cpu(cpu, mm_cpumask(mm)); raw_spin_unlock_irqrestore(&cpu_asid_lock, flags); switch_mm_fastpath: diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 3b44e0d..5dfbb0b 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -413,7 +413,7 @@ void VFP_bounce(u32 trigger, u32 fpexc, struct pt_regs *regs) * If there isn't a second FP instruction, exit now. Note that * the FPEXC.FP2V bit is valid only if FPEXC.EX is 1. */ - if (fpexc ^ (FPEXC_EX | FPEXC_FP2V)) + if ((fpexc & (FPEXC_EX | FPEXC_FP2V)) != (FPEXC_EX | FPEXC_FP2V)) goto exit; /* diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 6da881b..8d97eb4 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -156,6 +156,15 @@ early_param("smt-enabled", early_smt_enabled); #define check_smt_enabled() #endif /* CONFIG_SMP */ +/** Fix up paca fields required for the boot cpu */ +static void fixup_boot_paca(void) +{ + /* The boot cpu is started */ + get_paca()->cpu_start = 1; + /* Allow percpu accesses to work until we setup percpu data */ + get_paca()->data_offset = 0; +} + /* * Early initialization entry point. This is called by head.S * with MMU translation disabled. We rely on the "feature" of @@ -185,6 +194,7 @@ void __init early_setup(unsigned long dt_ptr) /* Assume we're on cpu 0 for now. Don't write to the paca yet! */ initialise_paca(&boot_paca, 0); setup_paca(&boot_paca); + fixup_boot_paca(); /* Initialize lockdep early or else spinlocks will blow */ lockdep_init(); @@ -205,11 +215,7 @@ void __init early_setup(unsigned long dt_ptr) /* Now we know the logical id of our boot cpu, setup the paca. */ setup_paca(&paca[boot_cpuid]); - - /* Fix up paca fields required for the boot cpu */ - get_paca()->cpu_start = 1; - /* Allow percpu accesses to "work" until we setup percpu data */ - get_paca()->data_offset = 0; + fixup_boot_paca(); /* Probe the machine type */ probe_machine(); diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h index 88f3c22..59e3574 100644 --- a/arch/tile/include/asm/compat.h +++ b/arch/tile/include/asm/compat.h @@ -296,6 +296,9 @@ long compat_sys_sync_file_range2(int fd, unsigned int flags, long compat_sys_fallocate(int fd, int mode, u32 offset_lo, u32 offset_hi, u32 len_lo, u32 len_hi); +long compat_sys_llseek(unsigned int fd, unsigned int offset_high, + unsigned int offset_low, loff_t __user * result, + unsigned int origin); /* Assembly trampoline to avoid clobbering r0. */ long _compat_sys_rt_sigreturn(void); diff --git a/arch/tile/kernel/compat.c b/arch/tile/kernel/compat.c index 7f72401..d8e3b7e 100644 --- a/arch/tile/kernel/compat.c +++ b/arch/tile/kernel/compat.c @@ -76,6 +76,18 @@ long compat_sys_fallocate(int fd, int mode, ((loff_t)len_hi << 32) | len_lo); } +/* + * Avoid bug in generic sys_llseek() that specifies offset_high and + * offset_low as "unsigned long", thus making it possible to pass + * a sign-extended high 32 bits in offset_low. + */ +long compat_sys_llseek(unsigned int fd, unsigned int offset_high, + unsigned int offset_low, loff_t __user * result, + unsigned int origin) +{ + return sys_llseek(fd, offset_high, offset_low, result, origin); +} + /* Provide the compat syscall number to call mapping. */ #undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), @@ -83,6 +95,7 @@ long compat_sys_fallocate(int fd, int mode, /* See comments in sys.c */ #define compat_sys_fadvise64_64 sys32_fadvise64_64 #define compat_sys_readahead sys32_readahead +#define sys_llseek compat_sys_llseek /* Call the assembly trampolines where necessary. */ #define compat_sys_rt_sigreturn _compat_sys_rt_sigreturn diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 220a360..5bedbdd 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -218,6 +218,9 @@ static void kvm_shutdown(void) void __init kvmclock_init(void) { unsigned long mem; + int size; + + size = PAGE_ALIGN(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS); if (!kvm_para_available()) return; @@ -231,16 +234,14 @@ void __init kvmclock_init(void) printk(KERN_INFO "kvm-clock: Using msrs %x and %x", msr_kvm_system_time, msr_kvm_wall_clock); - mem = memblock_alloc(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS, - PAGE_SIZE); + mem = memblock_alloc(size, PAGE_SIZE); if (!mem) return; hv_clock = __va(mem); if (kvm_register_clock("boot clock")) { hv_clock = NULL; - memblock_free(mem, - sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS); + memblock_free(mem, size); return; } pv_time_ops.sched_clock = kvm_clock_read; @@ -275,7 +276,7 @@ int __init kvm_setup_vsyscall_timeinfo(void) struct pvclock_vcpu_time_info *vcpu_time; unsigned int size; - size = sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS; + size = PAGE_ALIGN(sizeof(struct pvclock_vsyscall_time_info)*NR_CPUS); preempt_disable(); cpu = smp_processor_id(); diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 85c3959..2cb9470 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -185,7 +185,7 @@ int __init pvclock_init_vsyscall(struct pvclock_vsyscall_time_info *i, for (idx = 0; idx <= (PVCLOCK_FIXMAP_END-PVCLOCK_FIXMAP_BEGIN); idx++) { __set_fixmap(PVCLOCK_FIXMAP_BEGIN + idx, - __pa_symbol(i) + (idx*PAGE_SIZE), + __pa(i) + (idx*PAGE_SIZE), PAGE_KERNEL_VVAR); } diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 56ab749..94e7662 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -162,6 +162,9 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) struct msi_desc *msidesc; int *v; + if (type == PCI_CAP_ID_MSI && nvec > 1) + return 1; + v = kzalloc(sizeof(int) * max(1, nvec), GFP_KERNEL); if (!v) return -ENOMEM; @@ -220,6 +223,9 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) struct msi_desc *msidesc; struct msi_msg msg; + if (type == PCI_CAP_ID_MSI && nvec > 1) + return 1; + list_for_each_entry(msidesc, &dev->msi_list, list) { __read_msi_msg(msidesc, &msg); pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) | @@ -263,6 +269,9 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) int ret = 0; struct msi_desc *msidesc; + if (type == PCI_CAP_ID_MSI && nvec > 1) + return 1; + list_for_each_entry(msidesc, &dev->msi_list, list) { struct physdev_map_pirq map_irq; domid_t domid; diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index e014092..2262003 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -67,6 +67,7 @@ #include #include #include +#include #ifdef CONFIG_ACPI #include @@ -1417,7 +1418,14 @@ asmlinkage void __init xen_start_kernel(void) */ acpi_numa = -1; #endif - +#ifdef CONFIG_X86_PAT + /* + * For right now disable the PAT. We should remove this once + * git commit 8eaffa67b43e99ae581622c5133e20b0f48bcef1 + * (xen/pat: Disable PAT support for now) is reverted. + */ + pat_enabled = 0; +#endif /* Don't do the full vcpu_info placement stuff until we have a possible map and a non-dummy shared_info. */ per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0]; diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index 533de95..7d4a8d2 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -388,9 +388,9 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_blkcipher rblkcipher; - snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher"); - snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s", - alg->cra_ablkcipher.geniv ?: ""); + strncpy(rblkcipher.type, "ablkcipher", sizeof(rblkcipher.type)); + strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "", + sizeof(rblkcipher.geniv)); rblkcipher.blocksize = alg->cra_blocksize; rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize; @@ -469,9 +469,9 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_blkcipher rblkcipher; - snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher"); - snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s", - alg->cra_ablkcipher.geniv ?: ""); + strncpy(rblkcipher.type, "givcipher", sizeof(rblkcipher.type)); + strncpy(rblkcipher.geniv, alg->cra_ablkcipher.geniv ?: "", + sizeof(rblkcipher.geniv)); rblkcipher.blocksize = alg->cra_blocksize; rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize; diff --git a/crypto/aead.c b/crypto/aead.c index 0b8121e..27bc487 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -117,9 +117,8 @@ static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg) struct crypto_report_aead raead; struct aead_alg *aead = &alg->cra_aead; - snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead"); - snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", - aead->geniv ?: ""); + strncpy(raead.type, "aead", sizeof(raead.type)); + strncpy(raead.geniv, aead->geniv ?: "", sizeof(raead.geniv)); raead.blocksize = alg->cra_blocksize; raead.maxauthsize = aead->maxauthsize; @@ -203,8 +202,8 @@ static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg) struct crypto_report_aead raead; struct aead_alg *aead = &alg->cra_aead; - snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "nivaead"); - snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", aead->geniv); + strncpy(raead.type, "nivaead", sizeof(raead.type)); + strncpy(raead.geniv, aead->geniv, sizeof(raead.geniv)); raead.blocksize = alg->cra_blocksize; raead.maxauthsize = aead->maxauthsize; diff --git a/crypto/ahash.c b/crypto/ahash.c index 3887856..793a27f 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -404,7 +404,7 @@ static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_hash rhash; - snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash"); + strncpy(rhash.type, "ahash", sizeof(rhash.type)); rhash.blocksize = alg->cra_blocksize; rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize; diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index a8d85a1..c44e014 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -499,9 +499,9 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_blkcipher rblkcipher; - snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher"); - snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s", - alg->cra_blkcipher.geniv ?: ""); + strncpy(rblkcipher.type, "blkcipher", sizeof(rblkcipher.type)); + strncpy(rblkcipher.geniv, alg->cra_blkcipher.geniv ?: "", + sizeof(rblkcipher.geniv)); rblkcipher.blocksize = alg->cra_blocksize; rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize; diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index 35d700a..f6d9baf 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -75,7 +75,7 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_cipher rcipher; - snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher"); + strncpy(rcipher.type, "cipher", sizeof(rcipher.type)); rcipher.blocksize = alg->cra_blocksize; rcipher.min_keysize = alg->cra_cipher.cia_min_keysize; @@ -94,8 +94,7 @@ static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_comp rcomp; - snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression"); - + strncpy(rcomp.type, "compression", sizeof(rcomp.type)); if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(struct crypto_report_comp), &rcomp)) goto nla_put_failure; @@ -108,12 +107,14 @@ nla_put_failure: static int crypto_report_one(struct crypto_alg *alg, struct crypto_user_alg *ualg, struct sk_buff *skb) { - memcpy(&ualg->cru_name, &alg->cra_name, sizeof(ualg->cru_name)); - memcpy(&ualg->cru_driver_name, &alg->cra_driver_name, - sizeof(ualg->cru_driver_name)); - memcpy(&ualg->cru_module_name, module_name(alg->cra_module), - CRYPTO_MAX_ALG_NAME); - + strncpy(ualg->cru_name, alg->cra_name, sizeof(ualg->cru_name)); + strncpy(ualg->cru_driver_name, alg->cra_driver_name, + sizeof(ualg->cru_driver_name)); + strncpy(ualg->cru_module_name, module_name(alg->cra_module), + sizeof(ualg->cru_module_name)); + + ualg->cru_type = 0; + ualg->cru_mask = 0; ualg->cru_flags = alg->cra_flags; ualg->cru_refcnt = atomic_read(&alg->cra_refcnt); @@ -122,8 +123,7 @@ static int crypto_report_one(struct crypto_alg *alg, if (alg->cra_flags & CRYPTO_ALG_LARVAL) { struct crypto_report_larval rl; - snprintf(rl.type, CRYPTO_MAX_ALG_NAME, "%s", "larval"); - + strncpy(rl.type, "larval", sizeof(rl.type)); if (nla_put(skb, CRYPTOCFGA_REPORT_LARVAL, sizeof(struct crypto_report_larval), &rl)) goto nla_put_failure; diff --git a/crypto/pcompress.c b/crypto/pcompress.c index 04e083f..7140fe7 100644 --- a/crypto/pcompress.c +++ b/crypto/pcompress.c @@ -53,8 +53,7 @@ static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_comp rpcomp; - snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp"); - + strncpy(rpcomp.type, "pcomp", sizeof(rpcomp.type)); if (nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(struct crypto_report_comp), &rpcomp)) goto nla_put_failure; diff --git a/crypto/rng.c b/crypto/rng.c index f3b7894..e0a25c2 100644 --- a/crypto/rng.c +++ b/crypto/rng.c @@ -65,7 +65,7 @@ static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg) { struct crypto_report_rng rrng; - snprintf(rrng.type, CRYPTO_MAX_ALG_NAME, "%s", "rng"); + strncpy(rrng.type, "rng", sizeof(rrng.type)); rrng.seedsize = alg->cra_rng.seedsize; diff --git a/crypto/shash.c b/crypto/shash.c index f426330f..929058a 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -530,7 +530,8 @@ static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg) struct crypto_report_hash rhash; struct shash_alg *salg = __crypto_shash_alg(alg); - snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "shash"); + strncpy(rhash.type, "shash", sizeof(rhash.type)); + rhash.blocksize = alg->cra_blocksize; rhash.digestsize = salg->digestsize; diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index de1f319..e34a7b4 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -881,6 +881,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, goto fail_response; } + preq.dev = req->u.rw.handle; preq.sector_number = req->u.rw.sector_number; preq.nr_sects = 0; diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 1bafb40..69ae597 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -40,6 +40,7 @@ #include #include #include +#include #include @@ -52,8 +53,12 @@ static struct hwrng *current_rng; static LIST_HEAD(rng_list); static DEFINE_MUTEX(rng_mutex); static int data_avail; -static u8 rng_buffer[SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES] - __cacheline_aligned; +static u8 *rng_buffer; + +static size_t rng_buffer_size(void) +{ + return SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES; +} static inline int hwrng_init(struct hwrng *rng) { @@ -116,7 +121,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf, if (!data_avail) { bytes_read = rng_get_data(current_rng, rng_buffer, - sizeof(rng_buffer), + rng_buffer_size(), !(filp->f_flags & O_NONBLOCK)); if (bytes_read < 0) { err = bytes_read; @@ -307,6 +312,14 @@ int hwrng_register(struct hwrng *rng) mutex_lock(&rng_mutex); + /* kmalloc makes this safe for virt_to_page() in virtio_rng.c */ + err = -ENOMEM; + if (!rng_buffer) { + rng_buffer = kmalloc(rng_buffer_size(), GFP_KERNEL); + if (!rng_buffer) + goto out_unlock; + } + /* Must not register two RNGs with the same name. */ err = -EEXIST; list_for_each_entry(tmp, &rng_list, list) { diff --git a/drivers/char/random.c b/drivers/char/random.c index 85e81ec..57d4b15 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -852,6 +852,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, int reserved) { unsigned long flags; + int wakeup_write = 0; /* Hold lock while accounting */ spin_lock_irqsave(&r->lock, flags); @@ -873,10 +874,8 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, else r->entropy_count = reserved; - if (r->entropy_count < random_write_wakeup_thresh) { - wake_up_interruptible(&random_write_wait); - kill_fasync(&fasync, SIGIO, POLL_OUT); - } + if (r->entropy_count < random_write_wakeup_thresh) + wakeup_write = 1; } DEBUG_ENT("debiting %zu entropy credits from %s%s\n", @@ -884,6 +883,11 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, spin_unlock_irqrestore(&r->lock, flags); + if (wakeup_write) { + wake_up_interruptible(&random_write_wait); + kill_fasync(&fasync, SIGIO, POLL_OUT); + } + return nbytes; } diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c index fce2000..1110478 100644 --- a/drivers/connector/cn_proc.c +++ b/drivers/connector/cn_proc.c @@ -313,6 +313,12 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg, (task_active_pid_ns(current) != &init_pid_ns)) return; + /* Can only change if privileged. */ + if (!capable(CAP_NET_ADMIN)) { + err = EPERM; + goto out; + } + mc_op = (enum proc_cn_mcast_op *)msg->data; switch (*mc_op) { case PROC_CN_MCAST_LISTEN: @@ -325,6 +331,8 @@ static void cn_proc_mcast_ctl(struct cn_msg *msg, err = EINVAL; break; } + +out: cn_proc_ack(err, msg->seq, msg->ack); } diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 982f1f5..4cd392d 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -442,7 +442,6 @@ static int __init dmi_present(const char __iomem *p) static int __init smbios_present(const char __iomem *p) { u8 buf[32]; - int offset = 0; memcpy_fromio(buf, p, 32); if ((buf[5] < 32) && dmi_checksum(buf, buf[5])) { @@ -461,9 +460,9 @@ static int __init smbios_present(const char __iomem *p) dmi_ver = 0x0206; break; } - offset = 16; + return memcmp(p + 16, "_DMI_", 5) || dmi_present(p + 16); } - return dmi_present(buf + offset); + return 1; } void __init dmi_scan_machine(void) diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c index bcb201c..2a2e145 100644 --- a/drivers/firmware/efivars.c +++ b/drivers/firmware/efivars.c @@ -406,10 +406,11 @@ static efi_status_t get_var_data(struct efivars *efivars, struct efi_variable *var) { efi_status_t status; + unsigned long flags; - spin_lock(&efivars->lock); + spin_lock_irqsave(&efivars->lock, flags); status = get_var_data_locked(efivars, var); - spin_unlock(&efivars->lock); + spin_unlock_irqrestore(&efivars->lock, flags); if (status != EFI_SUCCESS) { printk(KERN_WARNING "efivars: get_variable() failed 0x%lx!\n", @@ -418,6 +419,44 @@ get_var_data(struct efivars *efivars, struct efi_variable *var) return status; } +static efi_status_t +check_var_size_locked(struct efivars *efivars, u32 attributes, + unsigned long size) +{ + u64 storage_size, remaining_size, max_size; + efi_status_t status; + const struct efivar_operations *fops = efivars->ops; + + if (!efivars->ops->query_variable_info) + return EFI_UNSUPPORTED; + + status = fops->query_variable_info(attributes, &storage_size, + &remaining_size, &max_size); + + if (status != EFI_SUCCESS) + return status; + + if (!storage_size || size > remaining_size || size > max_size || + (remaining_size - size) < (storage_size / 2)) + return EFI_OUT_OF_RESOURCES; + + return status; +} + + +static efi_status_t +check_var_size(struct efivars *efivars, u32 attributes, unsigned long size) +{ + efi_status_t status; + unsigned long flags; + + spin_lock_irqsave(&efivars->lock, flags); + status = check_var_size_locked(efivars, attributes, size); + spin_unlock_irqrestore(&efivars->lock, flags); + + return status; +} + static ssize_t efivar_guid_read(struct efivar_entry *entry, char *buf) { @@ -538,14 +577,19 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count) return -EINVAL; } - spin_lock(&efivars->lock); - status = efivars->ops->set_variable(new_var->VariableName, - &new_var->VendorGuid, - new_var->Attributes, - new_var->DataSize, - new_var->Data); + spin_lock_irq(&efivars->lock); + + status = check_var_size_locked(efivars, new_var->Attributes, + new_var->DataSize + utf16_strsize(new_var->VariableName, 1024)); - spin_unlock(&efivars->lock); + if (status == EFI_SUCCESS || status == EFI_UNSUPPORTED) + status = efivars->ops->set_variable(new_var->VariableName, + &new_var->VendorGuid, + new_var->Attributes, + new_var->DataSize, + new_var->Data); + + spin_unlock_irq(&efivars->lock); if (status != EFI_SUCCESS) { printk(KERN_WARNING "efivars: set_variable() failed: status=%lx\n", @@ -694,8 +738,7 @@ static ssize_t efivarfs_file_write(struct file *file, u32 attributes; struct inode *inode = file->f_mapping->host; unsigned long datasize = count - sizeof(attributes); - unsigned long newdatasize; - u64 storage_size, remaining_size, max_size; + unsigned long newdatasize, varsize; ssize_t bytes = 0; if (count < sizeof(attributes)) @@ -714,28 +757,18 @@ static ssize_t efivarfs_file_write(struct file *file, * amounts of memory. Pick a default size of 64K if * QueryVariableInfo() isn't supported by the firmware. */ - spin_lock(&efivars->lock); - if (!efivars->ops->query_variable_info) - status = EFI_UNSUPPORTED; - else { - const struct efivar_operations *fops = efivars->ops; - status = fops->query_variable_info(attributes, &storage_size, - &remaining_size, &max_size); - } - - spin_unlock(&efivars->lock); + varsize = datasize + utf16_strsize(var->var.VariableName, 1024); + status = check_var_size(efivars, attributes, varsize); if (status != EFI_SUCCESS) { if (status != EFI_UNSUPPORTED) return efi_status_to_err(status); - remaining_size = 65536; + if (datasize > 65536) + return -ENOSPC; } - if (datasize > remaining_size) - return -ENOSPC; - data = kmalloc(datasize, GFP_KERNEL); if (!data) return -ENOMEM; @@ -755,7 +788,20 @@ static ssize_t efivarfs_file_write(struct file *file, * set_variable call, and removal of the variable from the efivars * list (in the case of an authenticated delete). */ - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); + + /* + * Ensure that the available space hasn't shrunk below the safe level + */ + + status = check_var_size_locked(efivars, attributes, varsize); + + if (status != EFI_SUCCESS && status != EFI_UNSUPPORTED) { + spin_unlock_irq(&efivars->lock); + kfree(data); + + return efi_status_to_err(status); + } status = efivars->ops->set_variable(var->var.VariableName, &var->var.VendorGuid, @@ -763,7 +809,7 @@ static ssize_t efivarfs_file_write(struct file *file, data); if (status != EFI_SUCCESS) { - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); kfree(data); return efi_status_to_err(status); @@ -784,21 +830,21 @@ static ssize_t efivarfs_file_write(struct file *file, NULL); if (status == EFI_BUFFER_TOO_SMALL) { - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); mutex_lock(&inode->i_mutex); i_size_write(inode, newdatasize + sizeof(attributes)); mutex_unlock(&inode->i_mutex); } else if (status == EFI_NOT_FOUND) { list_del(&var->list); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); efivar_unregister(var); drop_nlink(inode); d_delete(file->f_dentry); dput(file->f_dentry); } else { - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); pr_warn("efivarfs: inconsistent EFI variable implementation? " "status = %lx\n", status); } @@ -820,11 +866,11 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, void *data; ssize_t size = 0; - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); status = efivars->ops->get_variable(var->var.VariableName, &var->var.VendorGuid, &attributes, &datasize, NULL); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); if (status != EFI_BUFFER_TOO_SMALL) return efi_status_to_err(status); @@ -834,12 +880,12 @@ static ssize_t efivarfs_file_read(struct file *file, char __user *userbuf, if (!data) return -ENOMEM; - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); status = efivars->ops->get_variable(var->var.VariableName, &var->var.VendorGuid, &attributes, &datasize, (data + sizeof(attributes))); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); if (status != EFI_SUCCESS) { size = efi_status_to_err(status); @@ -921,8 +967,8 @@ static bool efivarfs_valid_name(const char *str, int len) if (len < GUID_LEN + 2) return false; - /* GUID should be right after the first '-' */ - if (s - 1 != strchr(str, '-')) + /* GUID must be preceded by a '-' */ + if (*(s - 1) != '-') return false; /* @@ -1005,9 +1051,9 @@ static int efivarfs_create(struct inode *dir, struct dentry *dentry, goto out; kobject_uevent(&var->kobj, KOBJ_ADD); - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); list_add(&var->list, &efivars->list); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); d_instantiate(dentry, inode); dget(dentry); out: @@ -1024,7 +1070,7 @@ static int efivarfs_unlink(struct inode *dir, struct dentry *dentry) struct efivars *efivars = var->efivars; efi_status_t status; - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); status = efivars->ops->set_variable(var->var.VariableName, &var->var.VendorGuid, @@ -1032,14 +1078,14 @@ static int efivarfs_unlink(struct inode *dir, struct dentry *dentry) if (status == EFI_SUCCESS || status == EFI_NOT_FOUND) { list_del(&var->list); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); efivar_unregister(var); drop_nlink(dentry->d_inode); dput(dentry); return 0; } - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return -EINVAL; }; @@ -1110,15 +1156,22 @@ static struct dentry_operations efivarfs_d_ops = { static struct dentry *efivarfs_alloc_dentry(struct dentry *parent, char *name) { + struct dentry *d; struct qstr q; + int err; q.name = name; q.len = strlen(name); - if (efivarfs_d_hash(NULL, NULL, &q)) - return NULL; + err = efivarfs_d_hash(NULL, NULL, &q); + if (err) + return ERR_PTR(err); - return d_alloc(parent, &q); + d = d_alloc(parent, &q); + if (d) + return d; + + return ERR_PTR(-ENOMEM); } static int efivarfs_fill_super(struct super_block *sb, void *data, int silent) @@ -1128,6 +1181,7 @@ static int efivarfs_fill_super(struct super_block *sb, void *data, int silent) struct efivar_entry *entry, *n; struct efivars *efivars = &__efivars; char *name; + int err = -ENOMEM; efivarfs_sb = sb; @@ -1178,19 +1232,21 @@ static int efivarfs_fill_super(struct super_block *sb, void *data, int silent) goto fail_name; dentry = efivarfs_alloc_dentry(root, name); - if (!dentry) + if (IS_ERR(dentry)) { + err = PTR_ERR(dentry); goto fail_inode; + } /* copied by the above to local storage in the dentry. */ kfree(name); - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); efivars->ops->get_variable(entry->var.VariableName, &entry->var.VendorGuid, &entry->var.Attributes, &size, NULL); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); mutex_lock(&inode->i_mutex); inode->i_private = entry; @@ -1206,7 +1262,7 @@ fail_inode: fail_name: kfree(name); fail: - return -ENOMEM; + return err; } static struct dentry *efivarfs_mount(struct file_system_type *fs_type, @@ -1253,7 +1309,7 @@ static int efi_pstore_open(struct pstore_info *psi) { struct efivars *efivars = psi->data; - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); efivars->walk_entry = list_first_entry(&efivars->list, struct efivar_entry, list); return 0; @@ -1263,7 +1319,7 @@ static int efi_pstore_close(struct pstore_info *psi) { struct efivars *efivars = psi->data; - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return 0; } @@ -1337,22 +1393,22 @@ static int efi_pstore_write(enum pstore_type_id type, efi_guid_t vendor = LINUX_EFI_CRASH_GUID; struct efivars *efivars = psi->data; int i, ret = 0; - u64 storage_space, remaining_space, max_variable_size; efi_status_t status = EFI_NOT_FOUND; + unsigned long flags; - spin_lock(&efivars->lock); + spin_lock_irqsave(&efivars->lock, flags); /* * Check if there is a space enough to log. * size: a size of logging data * DUMP_NAME_LEN * 2: a maximum size of variable name */ - status = efivars->ops->query_variable_info(PSTORE_EFI_ATTRIBUTES, - &storage_space, - &remaining_space, - &max_variable_size); - if (status || remaining_space < size + DUMP_NAME_LEN * 2) { - spin_unlock(&efivars->lock); + + status = check_var_size_locked(efivars, PSTORE_EFI_ATTRIBUTES, + size + DUMP_NAME_LEN * 2); + + if (status) { + spin_unlock_irqrestore(&efivars->lock, flags); *id = part; return -ENOSPC; } @@ -1366,7 +1422,7 @@ static int efi_pstore_write(enum pstore_type_id type, efivars->ops->set_variable(efi_name, &vendor, PSTORE_EFI_ATTRIBUTES, size, psi->buf); - spin_unlock(&efivars->lock); + spin_unlock_irqrestore(&efivars->lock, flags); if (size) ret = efivar_create_sysfs_entry(efivars, @@ -1393,7 +1449,7 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, sprintf(name, "dump-type%u-%u-%d-%lu", type, (unsigned int)id, count, time.tv_sec); - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); for (i = 0; i < DUMP_NAME_LEN; i++) efi_name[i] = name[i]; @@ -1437,7 +1493,7 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id, int count, if (found) list_del(&found->list); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); if (found) efivar_unregister(found); @@ -1507,7 +1563,7 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj, return -EINVAL; } - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); /* * Does this variable already exist? @@ -1525,10 +1581,18 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj, } } if (found) { - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return -EINVAL; } + status = check_var_size_locked(efivars, new_var->Attributes, + new_var->DataSize + utf16_strsize(new_var->VariableName, 1024)); + + if (status && status != EFI_UNSUPPORTED) { + spin_unlock_irq(&efivars->lock); + return efi_status_to_err(status); + } + /* now *really* create the variable via EFI */ status = efivars->ops->set_variable(new_var->VariableName, &new_var->VendorGuid, @@ -1539,10 +1603,10 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj, if (status != EFI_SUCCESS) { printk(KERN_WARNING "efivars: set_variable() failed: status=%lx\n", status); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return -EIO; } - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); /* Create the entry in sysfs. Locking is not required here */ status = efivar_create_sysfs_entry(efivars, @@ -1570,7 +1634,7 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj, if (!capable(CAP_SYS_ADMIN)) return -EACCES; - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); /* * Does this variable already exist? @@ -1588,7 +1652,7 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj, } } if (!found) { - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return -EINVAL; } /* force the Attributes/DataSize to 0 to ensure deletion */ @@ -1604,12 +1668,12 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj, if (status != EFI_SUCCESS) { printk(KERN_WARNING "efivars: set_variable() failed: status=%lx\n", status); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return -EIO; } list_del(&search_efivar->list); /* We need to release this lock before unregistering. */ - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); efivar_unregister(search_efivar); /* It's dead Jim.... */ @@ -1724,9 +1788,9 @@ efivar_create_sysfs_entry(struct efivars *efivars, kfree(short_name); short_name = NULL; - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); list_add(&new_efivar->list, &efivars->list); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); return 0; } @@ -1795,9 +1859,9 @@ void unregister_efivars(struct efivars *efivars) struct efivar_entry *entry, *n; list_for_each_entry_safe(entry, n, &efivars->list, list) { - spin_lock(&efivars->lock); + spin_lock_irq(&efivars->lock); list_del(&entry->list); - spin_unlock(&efivars->lock); + spin_unlock_irq(&efivars->lock); efivar_unregister(entry); } if (efivars->new_var) diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 6819d63..456663c 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -41,6 +41,7 @@ #include #include #include +#include #include /* @@ -495,6 +496,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) struct resource *res; struct irq_chip_generic *gc; struct irq_chip_type *ct; + struct clk *clk; unsigned int ngpios; int soc_variant; int i, cpu, id; @@ -528,6 +530,11 @@ static int mvebu_gpio_probe(struct platform_device *pdev) return id; } + clk = devm_clk_get(&pdev->dev, NULL); + /* Not all SoCs require a clock.*/ + if (!IS_ERR(clk)) + clk_prepare_enable(clk); + mvchip->soc_variant = soc_variant; mvchip->chip.label = dev_name(&pdev->dev); mvchip->chip.dev = &pdev->dev; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 99daa89..5206f24 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1297,19 +1297,21 @@ static int i915_load_modeset_init(struct drm_device *dev) if (ret) goto cleanup_vga_switcheroo; + ret = drm_irq_install(dev); + if (ret) + goto cleanup_gem_stolen; + + /* Important: The output setup functions called by modeset_init need + * working irqs for e.g. gmbus and dp aux transfers. */ intel_modeset_init(dev); ret = i915_gem_init(dev); if (ret) - goto cleanup_gem_stolen; - - intel_modeset_gem_init(dev); + goto cleanup_irq; INIT_WORK(&dev_priv->console_resume_work, intel_console_resume); - ret = drm_irq_install(dev); - if (ret) - goto cleanup_gem; + intel_modeset_gem_init(dev); /* Always safe in the mode setting case. */ /* FIXME: do pre/post-mode set stuff in core KMS code */ @@ -1317,7 +1319,10 @@ static int i915_load_modeset_init(struct drm_device *dev) ret = intel_fbdev_init(dev); if (ret) - goto cleanup_irq; + goto cleanup_gem; + + /* Only enable hotplug handling once the fbdev is fully set up. */ + dev_priv->enable_hotplug_processing = true; drm_kms_helper_poll_init(dev); @@ -1326,13 +1331,13 @@ static int i915_load_modeset_init(struct drm_device *dev) return 0; -cleanup_irq: - drm_irq_uninstall(dev); cleanup_gem: mutex_lock(&dev->struct_mutex); i915_gem_cleanup_ringbuffer(dev); mutex_unlock(&dev->struct_mutex); i915_gem_cleanup_aliasing_ppgtt(dev); +cleanup_irq: + drm_irq_uninstall(dev); cleanup_gem_stolen: i915_gem_cleanup_stolen(dev); cleanup_vga_switcheroo: diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 1172658..fb6454c 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -377,15 +377,15 @@ static const struct pci_device_id pciidlist[] = { /* aka */ INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */ INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */ INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT2 mobile */ - INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT1 desktop */ + INTEL_VGA_DEVICE(0x0D02, &intel_haswell_d_info), /* CRW GT1 desktop */ + INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT2 desktop */ INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT2 desktop */ - INTEL_VGA_DEVICE(0x0D32, &intel_haswell_d_info), /* CRW GT2 desktop */ - INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT1 server */ + INTEL_VGA_DEVICE(0x0D0A, &intel_haswell_d_info), /* CRW GT1 server */ + INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT2 server */ INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT2 server */ - INTEL_VGA_DEVICE(0x0D3A, &intel_haswell_d_info), /* CRW GT2 server */ - INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT1 mobile */ + INTEL_VGA_DEVICE(0x0D06, &intel_haswell_m_info), /* CRW GT1 mobile */ + INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT2 mobile */ INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT2 mobile */ - INTEL_VGA_DEVICE(0x0D36, &intel_haswell_m_info), /* CRW GT2 mobile */ INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), @@ -486,6 +486,7 @@ static int i915_drm_freeze(struct drm_device *dev) intel_modeset_disable(dev); drm_irq_uninstall(dev); + dev_priv->enable_hotplug_processing = false; } i915_save_state(dev); @@ -562,9 +563,19 @@ static int __i915_drm_thaw(struct drm_device *dev) error = i915_gem_init_hw(dev); mutex_unlock(&dev->struct_mutex); + /* We need working interrupts for modeset enabling ... */ + drm_irq_install(dev); + intel_modeset_init_hw(dev); intel_modeset_setup_hw_state(dev, false); - drm_irq_install(dev); + + /* + * ... but also need to make sure that hotplug processing + * doesn't cause havoc. Like in the driver load code we don't + * bother with the tiny race here where we might loose hotplug + * notifications. + * */ + dev_priv->enable_hotplug_processing = true; } intel_opregion_init(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 7339a4b..66ad64f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -672,6 +672,7 @@ typedef struct drm_i915_private { u32 hotplug_supported_mask; struct work_struct hotplug_work; + bool enable_hotplug_processing; int num_pipe; int num_pch_pll; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index fe84338..3c00403 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -287,6 +287,10 @@ static void i915_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct intel_encoder *encoder; + /* HPD irq before everything is fully set up. */ + if (!dev_priv->enable_hotplug_processing) + return; + mutex_lock(&mode_config->mutex); DRM_DEBUG_KMS("running encoder hotplug functions\n"); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 06b1786..b52ed09 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -88,7 +88,7 @@ static void intel_disable_crt(struct intel_encoder *encoder) u32 temp; temp = I915_READ(crt->adpa_reg); - temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); + temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE; temp &= ~ADPA_DAC_ENABLE; I915_WRITE(crt->adpa_reg, temp); } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3280cff..dde0ded 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2572,7 +2572,7 @@ static void gen6_enable_rps(struct drm_device *dev) I915_WRITE(GEN6_RC_SLEEP, 0); I915_WRITE(GEN6_RC1e_THRESHOLD, 1000); I915_WRITE(GEN6_RC6_THRESHOLD, 50000); - I915_WRITE(GEN6_RC6p_THRESHOLD, 100000); + I915_WRITE(GEN6_RC6p_THRESHOLD, 150000); I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */ /* Check if we are enabling RC6 */ diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 3e403bd..78edadc 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -970,6 +970,15 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct found = 1; } + /* quirks */ + /* Radeon 9100 (R200) */ + if ((dev->pdev->device == 0x514D) && + (dev->pdev->subsystem_vendor == 0x174B) && + (dev->pdev->subsystem_device == 0x7149)) { + /* vbios value is bad, use the default */ + found = 0; + } + if (!found) /* fallback to defaults */ radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 90374dd..48f80cd 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -400,6 +400,9 @@ void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block) { unsigned long irqflags; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); rdev->irq.afmt[block] = true; radeon_irq_set(rdev); @@ -419,6 +422,9 @@ void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block) { unsigned long irqflags; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); rdev->irq.afmt[block] = false; radeon_irq_set(rdev); @@ -438,6 +444,9 @@ void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask) unsigned long irqflags; int i; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); for (i = 0; i < RADEON_MAX_HPD_PINS; ++i) rdev->irq.hpd[i] |= !!(hpd_mask & (1 << i)); @@ -458,6 +467,9 @@ void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask) unsigned long irqflags; int i; + if (!rdev->ddev->irq_enabled) + return; + spin_lock_irqsave(&rdev->irq.lock, irqflags); for (i = 0; i < RADEON_MAX_HPD_PINS; ++i) rdev->irq.hpd[i] &= !(hpd_mask & (1 << i)); diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 9500f2f..8758f38c 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -459,19 +459,25 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev, struct dj_report *dj_report) { struct hid_device *hdev = djrcv_dev->hdev; - int sent_bytes; + struct hid_report *report; + struct hid_report_enum *output_report_enum; + u8 *data = (u8 *)(&dj_report->device_index); + int i; - if (!hdev->hid_output_raw_report) { - dev_err(&hdev->dev, "%s:" - "hid_output_raw_report is null\n", __func__); + output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; + report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT]; + + if (!report) { + dev_err(&hdev->dev, "%s: unable to find dj report\n", __func__); return -ENODEV; } - sent_bytes = hdev->hid_output_raw_report(hdev, (u8 *) dj_report, - sizeof(struct dj_report), - HID_OUTPUT_REPORT); + for (i = 0; i < report->field[0]->report_count; i++) + report->field[0]->value[i] = data[i]; + + usbhid_submit_report(hdev, report, USB_DIR_OUT); - return (sent_bytes < 0) ? sent_bytes : 0; + return 0; } static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index 9652a2c..a58de38 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -62,7 +62,7 @@ struct ltc2978_data { int temp_min, temp_max; int vout_min[8], vout_max[8]; int iout_max[2]; - int temp2_max[2]; + int temp2_max; struct pmbus_driver_info info; }; @@ -204,10 +204,9 @@ static int ltc3880_read_word_data(struct i2c_client *client, int page, int reg) ret = pmbus_read_word_data(client, page, LTC3880_MFR_TEMPERATURE2_PEAK); if (ret >= 0) { - if (lin11_to_val(ret) - > lin11_to_val(data->temp2_max[page])) - data->temp2_max[page] = ret; - ret = data->temp2_max[page]; + if (lin11_to_val(ret) > lin11_to_val(data->temp2_max)) + data->temp2_max = ret; + ret = data->temp2_max; } break; case PMBUS_VIRT_READ_VIN_MIN: @@ -248,11 +247,11 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, switch (reg) { case PMBUS_VIRT_RESET_IOUT_HISTORY: - data->iout_max[page] = 0x7fff; + data->iout_max[page] = 0x7c00; ret = ltc2978_clear_peaks(client, page, data->id); break; case PMBUS_VIRT_RESET_TEMP2_HISTORY: - data->temp2_max[page] = 0x7fff; + data->temp2_max = 0x7c00; ret = ltc2978_clear_peaks(client, page, data->id); break; case PMBUS_VIRT_RESET_VOUT_HISTORY: @@ -262,12 +261,12 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, break; case PMBUS_VIRT_RESET_VIN_HISTORY: data->vin_min = 0x7bff; - data->vin_max = 0; + data->vin_max = 0x7c00; ret = ltc2978_clear_peaks(client, page, data->id); break; case PMBUS_VIRT_RESET_TEMP_HISTORY: data->temp_min = 0x7bff; - data->temp_max = 0x7fff; + data->temp_max = 0x7c00; ret = ltc2978_clear_peaks(client, page, data->id); break; default: @@ -321,12 +320,13 @@ static int ltc2978_probe(struct i2c_client *client, info = &data->info; info->write_word_data = ltc2978_write_word_data; - data->vout_min[0] = 0xffff; data->vin_min = 0x7bff; + data->vin_max = 0x7c00; data->temp_min = 0x7bff; - data->temp_max = 0x7fff; + data->temp_max = 0x7c00; + data->temp2_max = 0x7c00; - switch (id->driver_data) { + switch (data->id) { case ltc2978: info->read_word_data = ltc2978_read_word_data; info->pages = 8; @@ -336,7 +336,6 @@ static int ltc2978_probe(struct i2c_client *client, for (i = 1; i < 8; i++) { info->func[i] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT; - data->vout_min[i] = 0xffff; } break; case ltc3880: @@ -352,11 +351,14 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP; - data->vout_min[1] = 0xffff; + data->iout_max[0] = 0x7c00; + data->iout_max[1] = 0x7c00; break; default: return -ENODEV; } + for (i = 0; i < info->pages; i++) + data->vout_min[i] = 0xffff; return pmbus_do_probe(client, id, info); } diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 1c85d39..8047fed 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -926,7 +926,13 @@ static int sht15_probe(struct platform_device *pdev) if (voltage) data->supply_uV = voltage; - regulator_enable(data->reg); + ret = regulator_enable(data->reg); + if (ret != 0) { + dev_err(&pdev->dev, + "failed to enable regulator: %d\n", ret); + return ret; + } + /* * Setup a notifier block to update this if another device * causes the voltage to change diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index f7369f9..2ae151e 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1234,20 +1234,6 @@ static int crypt_decode_key(u8 *key, char *hex, unsigned int size) return 0; } -/* - * Encode key into its hex representation - */ -static void crypt_encode_key(char *hex, u8 *key, unsigned int size) -{ - unsigned int i; - - for (i = 0; i < size; i++) { - sprintf(hex, "%02x", *key); - hex += 2; - key++; - } -} - static void crypt_free_tfms(struct crypt_config *cc) { unsigned i; @@ -1717,11 +1703,11 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } -static int crypt_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void crypt_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct crypt_config *cc = ti->private; - unsigned int sz = 0; + unsigned i, sz = 0; switch (type) { case STATUSTYPE_INFO: @@ -1731,17 +1717,11 @@ static int crypt_status(struct dm_target *ti, status_type_t type, case STATUSTYPE_TABLE: DMEMIT("%s ", cc->cipher_string); - if (cc->key_size > 0) { - if ((maxlen - sz) < ((cc->key_size << 1) + 1)) - return -ENOMEM; - - crypt_encode_key(result + sz, cc->key, cc->key_size); - sz += cc->key_size << 1; - } else { - if (sz >= maxlen) - return -ENOMEM; - result[sz++] = '-'; - } + if (cc->key_size > 0) + for (i = 0; i < cc->key_size; i++) + DMEMIT("%02x", cc->key[i]); + else + DMEMIT("-"); DMEMIT(" %llu %s %llu", (unsigned long long)cc->iv_offset, cc->dev->name, (unsigned long long)cc->start); @@ -1751,7 +1731,6 @@ static int crypt_status(struct dm_target *ti, status_type_t type, break; } - return 0; } static void crypt_postsuspend(struct dm_target *ti) @@ -1845,7 +1824,7 @@ static int crypt_iterate_devices(struct dm_target *ti, static struct target_type crypt_target = { .name = "crypt", - .version = {1, 12, 0}, + .version = {1, 12, 1}, .module = THIS_MODULE, .ctr = crypt_ctr, .dtr = crypt_dtr, diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c index cc1bd04..c0d03b0 100644 --- a/drivers/md/dm-delay.c +++ b/drivers/md/dm-delay.c @@ -293,8 +293,8 @@ static int delay_map(struct dm_target *ti, struct bio *bio) return delay_bio(dc, dc->read_delay, bio); } -static int delay_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void delay_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct delay_c *dc = ti->private; int sz = 0; @@ -314,8 +314,6 @@ static int delay_status(struct dm_target *ti, status_type_t type, dc->write_delay); break; } - - return 0; } static int delay_iterate_devices(struct dm_target *ti, @@ -337,7 +335,7 @@ out: static struct target_type delay_target = { .name = "delay", - .version = {1, 2, 0}, + .version = {1, 2, 1}, .module = THIS_MODULE, .ctr = delay_ctr, .dtr = delay_dtr, diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c index 9721f2f..5d6c04c 100644 --- a/drivers/md/dm-flakey.c +++ b/drivers/md/dm-flakey.c @@ -337,8 +337,8 @@ static int flakey_end_io(struct dm_target *ti, struct bio *bio, int error) return error; } -static int flakey_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void flakey_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { unsigned sz = 0; struct flakey_c *fc = ti->private; @@ -368,7 +368,6 @@ static int flakey_status(struct dm_target *ti, status_type_t type, break; } - return 0; } static int flakey_ioctl(struct dm_target *ti, unsigned int cmd, unsigned long arg) @@ -411,7 +410,7 @@ static int flakey_iterate_devices(struct dm_target *ti, iterate_devices_callout_ static struct target_type flakey_target = { .name = "flakey", - .version = {1, 3, 0}, + .version = {1, 3, 1}, .module = THIS_MODULE, .ctr = flakey_ctr, .dtr = flakey_dtr, diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 0666b5d..eee353d 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1067,6 +1067,7 @@ static void retrieve_status(struct dm_table *table, num_targets = dm_table_get_num_targets(table); for (i = 0; i < num_targets; i++) { struct dm_target *ti = dm_table_get_target(table, i); + size_t l; remaining = len - (outptr - outbuf); if (remaining <= sizeof(struct dm_target_spec)) { @@ -1093,14 +1094,17 @@ static void retrieve_status(struct dm_table *table, if (ti->type->status) { if (param->flags & DM_NOFLUSH_FLAG) status_flags |= DM_STATUS_NOFLUSH_FLAG; - if (ti->type->status(ti, type, status_flags, outptr, remaining)) { - param->flags |= DM_BUFFER_FULL_FLAG; - break; - } + ti->type->status(ti, type, status_flags, outptr, remaining); } else outptr[0] = '\0'; - outptr += strlen(outptr) + 1; + l = strlen(outptr) + 1; + if (l == remaining) { + param->flags |= DM_BUFFER_FULL_FLAG; + break; + } + + outptr += l; used = param->data_start + (outptr - outbuf); outptr = align_ptr(outptr); diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c index 328cad5..5be301c 100644 --- a/drivers/md/dm-linear.c +++ b/drivers/md/dm-linear.c @@ -95,8 +95,8 @@ static int linear_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } -static int linear_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void linear_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct linear_c *lc = (struct linear_c *) ti->private; @@ -110,7 +110,6 @@ static int linear_status(struct dm_target *ti, status_type_t type, (unsigned long long)lc->start); break; } - return 0; } static int linear_ioctl(struct dm_target *ti, unsigned int cmd, @@ -155,7 +154,7 @@ static int linear_iterate_devices(struct dm_target *ti, static struct target_type linear_target = { .name = "linear", - .version = {1, 2, 0}, + .version = {1, 2, 1}, .module = THIS_MODULE, .ctr = linear_ctr, .dtr = linear_dtr, diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 573bd04..d267bb5 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1378,8 +1378,8 @@ static void multipath_resume(struct dm_target *ti) * [priority selector-name num_ps_args [ps_args]* * num_paths num_selector_args [path_dev [selector_args]* ]+ ]+ */ -static int multipath_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void multipath_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { int sz = 0; unsigned long flags; @@ -1485,8 +1485,6 @@ static int multipath_status(struct dm_target *ti, status_type_t type, } spin_unlock_irqrestore(&m->lock, flags); - - return 0; } static int multipath_message(struct dm_target *ti, unsigned argc, char **argv) @@ -1695,7 +1693,7 @@ out: *---------------------------------------------------------------*/ static struct target_type multipath_target = { .name = "multipath", - .version = {1, 5, 0}, + .version = {1, 5, 1}, .module = THIS_MODULE, .ctr = multipath_ctr, .dtr = multipath_dtr, diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 9e58dbd..5a578d8 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1201,8 +1201,8 @@ static int raid_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } -static int raid_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void raid_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct raid_set *rs = ti->private; unsigned raid_param_cnt = 1; /* at least 1 for chunksize */ @@ -1344,8 +1344,6 @@ static int raid_status(struct dm_target *ti, status_type_t type, DMEMIT(" -"); } } - - return 0; } static int raid_iterate_devices(struct dm_target *ti, iterate_devices_callout_fn fn, void *data) @@ -1405,7 +1403,7 @@ static void raid_resume(struct dm_target *ti) static struct target_type raid_target = { .name = "raid", - .version = {1, 4, 1}, + .version = {1, 4, 2}, .module = THIS_MODULE, .ctr = raid_ctr, .dtr = raid_dtr, diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index fa51918..7f24190 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -1347,8 +1347,8 @@ static char device_status_char(struct mirror *m) } -static int mirror_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void mirror_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { unsigned int m, sz = 0; struct mirror_set *ms = (struct mirror_set *) ti->private; @@ -1383,8 +1383,6 @@ static int mirror_status(struct dm_target *ti, status_type_t type, if (ms->features & DM_RAID1_HANDLE_ERRORS) DMEMIT(" 1 handle_errors"); } - - return 0; } static int mirror_iterate_devices(struct dm_target *ti, @@ -1403,7 +1401,7 @@ static int mirror_iterate_devices(struct dm_target *ti, static struct target_type mirror_target = { .name = "mirror", - .version = {1, 13, 1}, + .version = {1, 13, 2}, .module = THIS_MODULE, .ctr = mirror_ctr, .dtr = mirror_dtr, diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 59fc18a..df74f9f 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -1837,8 +1837,8 @@ static void snapshot_merge_resume(struct dm_target *ti) start_merge(s); } -static int snapshot_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void snapshot_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { unsigned sz = 0; struct dm_snapshot *snap = ti->private; @@ -1884,8 +1884,6 @@ static int snapshot_status(struct dm_target *ti, status_type_t type, maxlen - sz); break; } - - return 0; } static int snapshot_iterate_devices(struct dm_target *ti, @@ -2139,8 +2137,8 @@ static void origin_resume(struct dm_target *ti) ti->max_io_len = get_origin_minimum_chunksize(dev->bdev); } -static int origin_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void origin_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct dm_dev *dev = ti->private; @@ -2153,8 +2151,6 @@ static int origin_status(struct dm_target *ti, status_type_t type, snprintf(result, maxlen, "%s", dev->name); break; } - - return 0; } static int origin_merge(struct dm_target *ti, struct bvec_merge_data *bvm, @@ -2181,7 +2177,7 @@ static int origin_iterate_devices(struct dm_target *ti, static struct target_type origin_target = { .name = "snapshot-origin", - .version = {1, 8, 0}, + .version = {1, 8, 1}, .module = THIS_MODULE, .ctr = origin_ctr, .dtr = origin_dtr, @@ -2194,7 +2190,7 @@ static struct target_type origin_target = { static struct target_type snapshot_target = { .name = "snapshot", - .version = {1, 11, 0}, + .version = {1, 11, 1}, .module = THIS_MODULE, .ctr = snapshot_ctr, .dtr = snapshot_dtr, @@ -2307,3 +2303,5 @@ module_exit(dm_snapshot_exit); MODULE_DESCRIPTION(DM_NAME " snapshot target"); MODULE_AUTHOR("Joe Thornber"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("dm-snapshot-origin"); +MODULE_ALIAS("dm-snapshot-merge"); diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index c89cde8..aaecefa 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -312,8 +312,8 @@ static int stripe_map(struct dm_target *ti, struct bio *bio) * */ -static int stripe_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void stripe_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct stripe_c *sc = (struct stripe_c *) ti->private; char buffer[sc->stripes + 1]; @@ -340,7 +340,6 @@ static int stripe_status(struct dm_target *ti, status_type_t type, (unsigned long long)sc->stripe[i].physical_start); break; } - return 0; } static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error) @@ -428,7 +427,7 @@ static int stripe_merge(struct dm_target *ti, struct bvec_merge_data *bvm, static struct target_type stripe_target = { .name = "striped", - .version = {1, 5, 0}, + .version = {1, 5, 1}, .module = THIS_MODULE, .ctr = stripe_ctr, .dtr = stripe_dtr, diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 5409607..7a66d73 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2299,8 +2299,8 @@ static void emit_flags(struct pool_features *pf, char *result, * / * / */ -static int pool_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void pool_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { int r; unsigned sz = 0; @@ -2326,32 +2326,41 @@ static int pool_status(struct dm_target *ti, status_type_t type, if (!(status_flags & DM_STATUS_NOFLUSH_FLAG) && !dm_suspended(ti)) (void) commit_or_fallback(pool); - r = dm_pool_get_metadata_transaction_id(pool->pmd, - &transaction_id); - if (r) - return r; + r = dm_pool_get_metadata_transaction_id(pool->pmd, &transaction_id); + if (r) { + DMERR("dm_pool_get_metadata_transaction_id returned %d", r); + goto err; + } - r = dm_pool_get_free_metadata_block_count(pool->pmd, - &nr_free_blocks_metadata); - if (r) - return r; + r = dm_pool_get_free_metadata_block_count(pool->pmd, &nr_free_blocks_metadata); + if (r) { + DMERR("dm_pool_get_free_metadata_block_count returned %d", r); + goto err; + } r = dm_pool_get_metadata_dev_size(pool->pmd, &nr_blocks_metadata); - if (r) - return r; + if (r) { + DMERR("dm_pool_get_metadata_dev_size returned %d", r); + goto err; + } - r = dm_pool_get_free_block_count(pool->pmd, - &nr_free_blocks_data); - if (r) - return r; + r = dm_pool_get_free_block_count(pool->pmd, &nr_free_blocks_data); + if (r) { + DMERR("dm_pool_get_free_block_count returned %d", r); + goto err; + } r = dm_pool_get_data_dev_size(pool->pmd, &nr_blocks_data); - if (r) - return r; + if (r) { + DMERR("dm_pool_get_data_dev_size returned %d", r); + goto err; + } r = dm_pool_get_metadata_snap(pool->pmd, &held_root); - if (r) - return r; + if (r) { + DMERR("dm_pool_get_metadata_snap returned %d", r); + goto err; + } DMEMIT("%llu %llu/%llu %llu/%llu ", (unsigned long long)transaction_id, @@ -2388,8 +2397,10 @@ static int pool_status(struct dm_target *ti, status_type_t type, emit_flags(&pt->requested_pf, result, sz, maxlen); break; } + return; - return 0; +err: + DMEMIT("Error"); } static int pool_iterate_devices(struct dm_target *ti, @@ -2468,7 +2479,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 6, 0}, + .version = {1, 6, 1}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -2676,8 +2687,8 @@ static void thin_postsuspend(struct dm_target *ti) /* * */ -static int thin_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void thin_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { int r; ssize_t sz = 0; @@ -2687,7 +2698,7 @@ static int thin_status(struct dm_target *ti, status_type_t type, if (get_pool_mode(tc->pool) == PM_FAIL) { DMEMIT("Fail"); - return 0; + return; } if (!tc->td) @@ -2696,12 +2707,16 @@ static int thin_status(struct dm_target *ti, status_type_t type, switch (type) { case STATUSTYPE_INFO: r = dm_thin_get_mapped_count(tc->td, &mapped); - if (r) - return r; + if (r) { + DMERR("dm_thin_get_mapped_count returned %d", r); + goto err; + } r = dm_thin_get_highest_mapped_block(tc->td, &highest); - if (r < 0) - return r; + if (r < 0) { + DMERR("dm_thin_get_highest_mapped_block returned %d", r); + goto err; + } DMEMIT("%llu ", mapped * tc->pool->sectors_per_block); if (r) @@ -2721,7 +2736,10 @@ static int thin_status(struct dm_target *ti, status_type_t type, } } - return 0; + return; + +err: + DMEMIT("Error"); } static int thin_iterate_devices(struct dm_target *ti, @@ -2748,7 +2766,7 @@ static int thin_iterate_devices(struct dm_target *ti, static struct target_type thin_target = { .name = "thin", - .version = {1, 7, 0}, + .version = {1, 7, 1}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, diff --git a/drivers/md/dm-verity.c b/drivers/md/dm-verity.c index 52cde98..6ad5383 100644 --- a/drivers/md/dm-verity.c +++ b/drivers/md/dm-verity.c @@ -508,8 +508,8 @@ static int verity_map(struct dm_target *ti, struct bio *bio) /* * Status: V (valid) or C (corruption found) */ -static int verity_status(struct dm_target *ti, status_type_t type, - unsigned status_flags, char *result, unsigned maxlen) +static void verity_status(struct dm_target *ti, status_type_t type, + unsigned status_flags, char *result, unsigned maxlen) { struct dm_verity *v = ti->private; unsigned sz = 0; @@ -540,8 +540,6 @@ static int verity_status(struct dm_target *ti, status_type_t type, DMEMIT("%02x", v->salt[x]); break; } - - return 0; } static int verity_ioctl(struct dm_target *ti, unsigned cmd, @@ -860,7 +858,7 @@ bad: static struct target_type verity_target = { .name = "verity", - .version = {1, 1, 0}, + .version = {1, 1, 1}, .module = THIS_MODULE, .ctr = verity_ctr, .dtr = verity_dtr, diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 314a0e2..0d8f086 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1973,15 +1973,27 @@ static void __bind_mempools(struct mapped_device *md, struct dm_table *t) { struct dm_md_mempools *p = dm_table_get_md_mempools(t); - if (md->io_pool && (md->tio_pool || dm_table_get_type(t) == DM_TYPE_BIO_BASED) && md->bs) { - /* - * The md already has necessary mempools. Reload just the - * bioset because front_pad may have changed because - * a different table was loaded. - */ - bioset_free(md->bs); - md->bs = p->bs; - p->bs = NULL; + if (md->io_pool && md->bs) { + /* The md already has necessary mempools. */ + if (dm_table_get_type(t) == DM_TYPE_BIO_BASED) { + /* + * Reload bioset because front_pad may have changed + * because a different table was loaded. + */ + bioset_free(md->bs); + md->bs = p->bs; + p->bs = NULL; + } else if (dm_table_get_type(t) == DM_TYPE_REQUEST_BASED) { + BUG_ON(!md->tio_pool); + /* + * There's no need to reload with request-based dm + * because the size of front_pad doesn't change. + * Note for future: If you are to reload bioset, + * prep-ed requests in the queue may refer + * to bio from the old bioset, so you must walk + * through the queue to unprep. + */ + } goto out; } @@ -2421,7 +2433,7 @@ static void dm_queue_flush(struct mapped_device *md) */ struct dm_table *dm_swap_table(struct mapped_device *md, struct dm_table *table) { - struct dm_table *live_map, *map = ERR_PTR(-EINVAL); + struct dm_table *live_map = NULL, *map = ERR_PTR(-EINVAL); struct queue_limits limits; int r; @@ -2444,10 +2456,12 @@ struct dm_table *dm_swap_table(struct mapped_device *md, struct dm_table *table) dm_table_put(live_map); } - r = dm_calculate_queue_limits(table, &limits); - if (r) { - map = ERR_PTR(r); - goto out; + if (!live_map) { + r = dm_calculate_queue_limits(table, &limits); + if (r) { + map = ERR_PTR(r); + goto out; + } } map = __bind(md, table, &limits); diff --git a/drivers/md/md.c b/drivers/md/md.c index 3db3d1b..f363135 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -307,6 +307,10 @@ static void md_make_request(struct request_queue *q, struct bio *bio) bio_io_error(bio); return; } + if (mddev->ro == 1 && unlikely(rw == WRITE)) { + bio_endio(bio, bio_sectors(bio) == 0 ? 0 : -EROFS); + return; + } smp_rmb(); /* Ensure implications of 'active' are visible */ rcu_read_lock(); if (mddev->suspended) { @@ -2994,6 +2998,9 @@ rdev_size_store(struct md_rdev *rdev, const char *buf, size_t len) } else if (!sectors) sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) - rdev->data_offset; + if (!my_mddev->pers->resize) + /* Cannot change size for RAID0 or Linear etc */ + return -EINVAL; } if (sectors < my_mddev->dev_sectors) return -EINVAL; /* component must fit device */ diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 24b3597..d9babda 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -289,7 +289,7 @@ abort: kfree(conf->strip_zone); kfree(conf->devlist); kfree(conf); - *private_conf = NULL; + *private_conf = ERR_PTR(err); return err; } @@ -411,7 +411,8 @@ static sector_t raid0_size(struct mddev *mddev, sector_t sectors, int raid_disks "%s does not support generic reshape\n", __func__); rdev_for_each(rdev, mddev) - array_sectors += rdev->sectors; + array_sectors += (rdev->sectors & + ~(sector_t)(mddev->chunk_sectors-1)); return array_sectors; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index d5bddfc..75b1f89 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -967,6 +967,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule) bio_list_merge(&conf->pending_bio_list, &plug->pending); conf->pending_count += plug->pending_cnt; spin_unlock_irq(&conf->device_lock); + wake_up(&conf->wait_barrier); md_wakeup_thread(mddev->thread); kfree(plug); return; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 64d4824..8d925dc 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1073,6 +1073,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) bio_list_merge(&conf->pending_bio_list, &plug->pending); conf->pending_count += plug->pending_cnt; spin_unlock_irq(&conf->device_lock); + wake_up(&conf->wait_barrier); md_wakeup_thread(mddev->thread); kfree(plug); return; diff --git a/drivers/memstick/host/rtsx_pci_ms.c b/drivers/memstick/host/rtsx_pci_ms.c index f5ddb82..64a779c 100644 --- a/drivers/memstick/host/rtsx_pci_ms.c +++ b/drivers/memstick/host/rtsx_pci_ms.c @@ -426,6 +426,9 @@ static void rtsx_pci_ms_request(struct memstick_host *msh) dev_dbg(ms_dev(host), "--> %s\n", __func__); + if (rtsx_pci_card_exclusive_check(host->pcr, RTSX_MS_CARD)) + return; + schedule_work(&host->handle_req); } @@ -441,6 +444,10 @@ static int rtsx_pci_ms_set_param(struct memstick_host *msh, dev_dbg(ms_dev(host), "%s: param = %d, value = %d\n", __func__, param, value); + err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_MS_CARD); + if (err) + return err; + switch (param) { case MEMSTICK_POWER: if (value == MEMSTICK_POWER_ON) diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index 9fc5700..1e2d120 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -713,6 +713,25 @@ int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card) } EXPORT_SYMBOL_GPL(rtsx_pci_card_power_off); +int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card) +{ + unsigned int cd_mask[] = { + [RTSX_SD_CARD] = SD_EXIST, + [RTSX_MS_CARD] = MS_EXIST + }; + + if (!pcr->ms_pmos) { + /* When using single PMOS, accessing card is not permitted + * if the existing card is not the designated one. + */ + if (pcr->card_exist & (~cd_mask[card])) + return -EIO; + } + + return 0; +} +EXPORT_SYMBOL_GPL(rtsx_pci_card_exclusive_check); + int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) { if (pcr->ops->switch_output_voltage) @@ -758,7 +777,7 @@ static void rtsx_pci_card_detect(struct work_struct *work) struct delayed_work *dwork; struct rtsx_pcr *pcr; unsigned long flags; - unsigned int card_detect = 0; + unsigned int card_detect = 0, card_inserted, card_removed; u32 irq_status; dwork = to_delayed_work(work); @@ -766,25 +785,35 @@ static void rtsx_pci_card_detect(struct work_struct *work) dev_dbg(&(pcr->pci->dev), "--> %s\n", __func__); + mutex_lock(&pcr->pcr_mutex); spin_lock_irqsave(&pcr->lock, flags); irq_status = rtsx_pci_readl(pcr, RTSX_BIPR); dev_dbg(&(pcr->pci->dev), "irq_status: 0x%08x\n", irq_status); - if (pcr->card_inserted || pcr->card_removed) { + irq_status &= CARD_EXIST; + card_inserted = pcr->card_inserted & irq_status; + card_removed = pcr->card_removed; + pcr->card_inserted = 0; + pcr->card_removed = 0; + + spin_unlock_irqrestore(&pcr->lock, flags); + + if (card_inserted || card_removed) { dev_dbg(&(pcr->pci->dev), "card_inserted: 0x%x, card_removed: 0x%x\n", - pcr->card_inserted, pcr->card_removed); + card_inserted, card_removed); if (pcr->ops->cd_deglitch) - pcr->card_inserted = pcr->ops->cd_deglitch(pcr); + card_inserted = pcr->ops->cd_deglitch(pcr); + + card_detect = card_inserted | card_removed; - card_detect = pcr->card_inserted | pcr->card_removed; - pcr->card_inserted = 0; - pcr->card_removed = 0; + pcr->card_exist |= card_inserted; + pcr->card_exist &= ~card_removed; } - spin_unlock_irqrestore(&pcr->lock, flags); + mutex_unlock(&pcr->pcr_mutex); if ((card_detect & SD_EXIST) && pcr->slots[RTSX_SD_CARD].card_event) pcr->slots[RTSX_SD_CARD].card_event( @@ -836,10 +865,6 @@ static irqreturn_t rtsx_pci_isr(int irq, void *dev_id) } } - if (pcr->card_inserted || pcr->card_removed) - schedule_delayed_work(&pcr->carddet_work, - msecs_to_jiffies(200)); - if (int_reg & (NEED_COMPLETE_INT | DELINK_INT)) { if (int_reg & (TRANS_FAIL_INT | DELINK_INT)) { pcr->trans_result = TRANS_RESULT_FAIL; @@ -852,6 +877,10 @@ static irqreturn_t rtsx_pci_isr(int irq, void *dev_id) } } + if (pcr->card_inserted || pcr->card_removed) + schedule_delayed_work(&pcr->carddet_work, + msecs_to_jiffies(200)); + spin_unlock(&pcr->lock); return IRQ_HANDLED; } @@ -974,6 +1003,14 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr) return err; } + /* No CD interrupt if probing driver with card inserted. + * So we need to initialize pcr->card_exist here. + */ + if (pcr->ops->cd_deglitch) + pcr->card_exist = pcr->ops->cd_deglitch(pcr); + else + pcr->card_exist = rtsx_pci_readl(pcr, RTSX_BIPR) & CARD_EXIST; + return 0; } diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index f74b5ad..468c923 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -678,12 +678,19 @@ static void sdmmc_request(struct mmc_host *mmc, struct mmc_request *mrq) struct mmc_command *cmd = mrq->cmd; struct mmc_data *data = mrq->data; unsigned int data_size = 0; + int err; if (host->eject) { cmd->error = -ENOMEDIUM; goto finish; } + err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD); + if (err) { + cmd->error = err; + goto finish; + } + mutex_lock(&pcr->pcr_mutex); rtsx_pci_start_run(pcr); @@ -901,6 +908,9 @@ static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (host->eject) return; + if (rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD)) + return; + mutex_lock(&pcr->pcr_mutex); rtsx_pci_start_run(pcr); @@ -1073,6 +1083,10 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) if (host->eject) return -ENOMEDIUM; + err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD); + if (err) + return err; + mutex_lock(&pcr->pcr_mutex); rtsx_pci_start_run(pcr); @@ -1122,6 +1136,10 @@ static int sdmmc_execute_tuning(struct mmc_host *mmc, u32 opcode) if (host->eject) return -ENOMEDIUM; + err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD); + if (err) + return err; + mutex_lock(&pcr->pcr_mutex); rtsx_pci_start_run(pcr); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index bdb0869..f0b38fa 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -1843,6 +1843,8 @@ static void tg3_link_report(struct tg3 *tp) tg3_ump_link_report(tp); } + + tp->link_up = netif_carrier_ok(tp->dev); } static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) @@ -2496,12 +2498,6 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp) return err; } -static void tg3_carrier_on(struct tg3 *tp) -{ - netif_carrier_on(tp->dev); - tp->link_up = true; -} - static void tg3_carrier_off(struct tg3 *tp) { netif_carrier_off(tp->dev); @@ -2527,7 +2523,7 @@ static int tg3_phy_reset(struct tg3 *tp) return -EBUSY; if (netif_running(tp->dev) && tp->link_up) { - tg3_carrier_off(tp); + netif_carrier_off(tp->dev); tg3_link_report(tp); } @@ -4225,9 +4221,9 @@ static bool tg3_test_and_report_link_chg(struct tg3 *tp, int curr_link_up) { if (curr_link_up != tp->link_up) { if (curr_link_up) { - tg3_carrier_on(tp); + netif_carrier_on(tp->dev); } else { - tg3_carrier_off(tp); + netif_carrier_off(tp->dev); if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; } diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 643c883..1f93880 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -5549,7 +5549,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake, */ e1000e_release_hw_control(adapter); - pci_disable_device(pdev); + pci_clear_master(pdev); return 0; } diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 9b73670..6214181 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1340,6 +1340,8 @@ static int smsc95xx_enter_suspend0(struct usbnet *dev) ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val); if (ret < 0) netdev_warn(dev->net, "Error reading PM_CTRL\n"); + else + ret = 0; return ret; } @@ -1392,6 +1394,8 @@ static int smsc95xx_enter_suspend1(struct usbnet *dev) ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val); if (ret < 0) netdev_warn(dev->net, "Error writing PM_CTRL\n"); + else + ret = 0; return ret; } @@ -1413,6 +1417,8 @@ static int smsc95xx_enter_suspend2(struct usbnet *dev) ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val); if (ret < 0) netdev_warn(dev->net, "Error writing PM_CTRL\n"); + else + ret = 0; return ret; } diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h index 5f845be..050ca4a 100644 --- a/drivers/net/wireless/ath/ath9k/common.h +++ b/drivers/net/wireless/ath/ath9k/common.h @@ -27,7 +27,7 @@ #define WME_MAX_BA WME_BA_BMP_SIZE #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) -#define ATH_RSSI_DUMMY_MARKER 0x127 +#define ATH_RSSI_DUMMY_MARKER 127 #define ATH_RSSI_LPF_LEN 10 #define RSSI_LPF_THRESHOLD -20 #define ATH_RSSI_EP_MULTIPLIER (1<<7) diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 96bfb18..d3b099d 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index b6a5a08..8788621 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -1067,15 +1067,19 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, last_rssi = priv->rx.last_rssi; - if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) - rxbuf->rxstatus.rs_rssi = ATH_EP_RND(last_rssi, - ATH_RSSI_EP_MULTIPLIER); + if (ieee80211_is_beacon(hdr->frame_control) && + !is_zero_ether_addr(common->curbssid) && + ether_addr_equal(hdr->addr3, common->curbssid)) { + s8 rssi = rxbuf->rxstatus.rs_rssi; - if (rxbuf->rxstatus.rs_rssi < 0) - rxbuf->rxstatus.rs_rssi = 0; + if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) + rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER); - if (ieee80211_is_beacon(fc)) - priv->ah->stats.avgbrssi = rxbuf->rxstatus.rs_rssi; + if (rssi < 0) + rssi = 0; + + priv->ah->stats.avgbrssi = rssi; + } rx_status->mactime = be64_to_cpu(rxbuf->rxstatus.rs_tstamp); rx_status->band = hw->conf.channel->band; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 7cb7870..e26f92d 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1480,7 +1480,9 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah, reset_type = ATH9K_RESET_POWER_ON; else reset_type = ATH9K_RESET_COLD; - } + } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) || + (REG_READ(ah, AR_CR) & AR_CR_RXE)) + reset_type = ATH9K_RESET_COLD; if (!ath9k_hw_set_reset_reg(ah, reset_type)) return false; diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index dc7e26b..c85eb37 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -349,25 +349,23 @@ TRACE_EVENT(iwlwifi_dev_rx_data, TRACE_EVENT(iwlwifi_dev_hcmd, TP_PROTO(const struct device *dev, struct iwl_host_cmd *cmd, u16 total_size, - const void *hdr, size_t hdr_len), - TP_ARGS(dev, cmd, total_size, hdr, hdr_len), + struct iwl_cmd_header *hdr), + TP_ARGS(dev, cmd, total_size, hdr), TP_STRUCT__entry( DEV_ENTRY __dynamic_array(u8, hcmd, total_size) __field(u32, flags) ), TP_fast_assign( - int i, offset = hdr_len; + int i, offset = sizeof(*hdr); DEV_ASSIGN; __entry->flags = cmd->flags; - memcpy(__get_dynamic_array(hcmd), hdr, hdr_len); + memcpy(__get_dynamic_array(hcmd), hdr, sizeof(*hdr)); for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { if (!cmd->len[i]) continue; - if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY)) - continue; memcpy((u8 *)__get_dynamic_array(hcmd) + offset, cmd->data[i], cmd->len[i]); offset += cmd->len[i]; diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index d91d2e8..bc5e9ec 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -182,6 +182,15 @@ struct iwl_queue { #define TFD_TX_CMD_SLOTS 256 #define TFD_CMD_SLOTS 32 +/* + * The FH will write back to the first TB only, so we need + * to copy some data into the buffer regardless of whether + * it should be mapped or not. This indicates how much to + * copy, even for HCMDs it must be big enough to fit the + * DRAM scratch from the TX cmd, at least 16 bytes. + */ +#define IWL_HCMD_MIN_COPY_SIZE 16 + struct iwl_pcie_txq_entry { struct iwl_device_cmd *cmd; struct iwl_device_cmd *copy_cmd; diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 6c5b867..c6cd922 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -1131,10 +1131,12 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, void *dup_buf = NULL; dma_addr_t phys_addr; int idx; - u16 copy_size, cmd_size; + u16 copy_size, cmd_size, dma_size; bool had_nocopy = false; int i; u32 cmd_pos; + const u8 *cmddata[IWL_MAX_CMD_TFDS]; + u16 cmdlen[IWL_MAX_CMD_TFDS]; copy_size = sizeof(out_cmd->hdr); cmd_size = sizeof(out_cmd->hdr); @@ -1143,8 +1145,23 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, BUILD_BUG_ON(IWL_MAX_CMD_TFDS > IWL_NUM_OF_TBS - 1); for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { + cmddata[i] = cmd->data[i]; + cmdlen[i] = cmd->len[i]; + if (!cmd->len[i]) continue; + + /* need at least IWL_HCMD_MIN_COPY_SIZE copied */ + if (copy_size < IWL_HCMD_MIN_COPY_SIZE) { + int copy = IWL_HCMD_MIN_COPY_SIZE - copy_size; + + if (copy > cmdlen[i]) + copy = cmdlen[i]; + cmdlen[i] -= copy; + cmddata[i] += copy; + copy_size += copy; + } + if (cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY) { had_nocopy = true; if (WARN_ON(cmd->dataflags[i] & IWL_HCMD_DFL_DUP)) { @@ -1164,7 +1181,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, goto free_dup_buf; } - dup_buf = kmemdup(cmd->data[i], cmd->len[i], + dup_buf = kmemdup(cmddata[i], cmdlen[i], GFP_ATOMIC); if (!dup_buf) return -ENOMEM; @@ -1174,7 +1191,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, idx = -EINVAL; goto free_dup_buf; } - copy_size += cmd->len[i]; + copy_size += cmdlen[i]; } cmd_size += cmd->len[i]; } @@ -1221,14 +1238,31 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, /* and copy the data that needs to be copied */ cmd_pos = offsetof(struct iwl_device_cmd, payload); + copy_size = sizeof(out_cmd->hdr); for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { - if (!cmd->len[i]) + int copy = 0; + + if (!cmd->len) continue; - if (cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY | - IWL_HCMD_DFL_DUP)) - break; - memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], cmd->len[i]); - cmd_pos += cmd->len[i]; + + /* need at least IWL_HCMD_MIN_COPY_SIZE copied */ + if (copy_size < IWL_HCMD_MIN_COPY_SIZE) { + copy = IWL_HCMD_MIN_COPY_SIZE - copy_size; + + if (copy > cmd->len[i]) + copy = cmd->len[i]; + } + + /* copy everything if not nocopy/dup */ + if (!(cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY | + IWL_HCMD_DFL_DUP))) + copy = cmd->len[i]; + + if (copy) { + memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], copy); + cmd_pos += copy; + copy_size += copy; + } } WARN_ON_ONCE(txq->entries[idx].copy_cmd); @@ -1254,7 +1288,14 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), cmd_size, q->write_ptr, idx, trans_pcie->cmd_queue); - phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, copy_size, + /* + * If the entire command is smaller than IWL_HCMD_MIN_COPY_SIZE, we must + * still map at least that many bytes for the hardware to write back to. + * We have enough space, so that's not a problem. + */ + dma_size = max_t(u16, copy_size, IWL_HCMD_MIN_COPY_SIZE); + + phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, dma_size, DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(trans->dev, phys_addr))) { idx = -ENOMEM; @@ -1262,14 +1303,15 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, } dma_unmap_addr_set(out_meta, mapping, phys_addr); - dma_unmap_len_set(out_meta, len, copy_size); + dma_unmap_len_set(out_meta, len, dma_size); iwl_pcie_txq_build_tfd(trans, txq, phys_addr, copy_size, 1); + /* map the remaining (adjusted) nocopy/dup fragments */ for (i = 0; i < IWL_MAX_CMD_TFDS; i++) { - const void *data = cmd->data[i]; + const void *data = cmddata[i]; - if (!cmd->len[i]) + if (!cmdlen[i]) continue; if (!(cmd->dataflags[i] & (IWL_HCMD_DFL_NOCOPY | IWL_HCMD_DFL_DUP))) @@ -1277,7 +1319,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, if (cmd->dataflags[i] & IWL_HCMD_DFL_DUP) data = dup_buf; phys_addr = dma_map_single(trans->dev, (void *)data, - cmd->len[i], DMA_BIDIRECTIONAL); + cmdlen[i], DMA_BIDIRECTIONAL); if (dma_mapping_error(trans->dev, phys_addr)) { iwl_pcie_tfd_unmap(trans, out_meta, &txq->tfds[q->write_ptr], @@ -1286,7 +1328,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, goto out; } - iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmd->len[i], 0); + iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmdlen[i], 0); } out_meta->flags = cmd->flags; @@ -1296,8 +1338,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, txq->need_update = 1; - trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, - &out_cmd->hdr, copy_size); + trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr); /* start timer if queue currently empty */ if (q->read_ptr == q->write_ptr && trans_pcie->wd_timeout) diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 739309e..4557833 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -825,6 +825,11 @@ static void if_sdio_finish_power_on(struct if_sdio_card *card) sdio_release_host(func); + /* Set fw_ready before queuing any commands so that + * lbs_thread won't block from sending them to firmware. + */ + priv->fw_ready = 1; + /* * FUNC_INIT is required for SD8688 WLAN/BT multiple functions */ @@ -839,7 +844,6 @@ static void if_sdio_finish_power_on(struct if_sdio_card *card) netdev_alert(priv->dev, "CMD_FUNC_INIT cmd failed\n"); } - priv->fw_ready = 1; wake_up(&card->pwron_waitq); if (!card->started) { diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index b879e13..0bbea88 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -291,7 +291,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter) i++; usleep_range(10, 20); /* 50ms max wait */ - if (i == 50000) + if (i == 5000) break; } diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index afed701..684ce75 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -1204,6 +1204,9 @@ static acpi_status WMID_set_capabilities(void) devices = *((u32 *) obj->buffer.pointer); } else if (obj->type == ACPI_TYPE_INTEGER) { devices = (u32) obj->integer.value; + } else { + kfree(out.pointer); + return AE_ERROR; } } else { kfree(out.pointer); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index b8ad71f..0fe987f 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -1534,7 +1534,7 @@ static int sony_nc_rfkill_set(void *data, bool blocked) int argument = sony_rfkill_address[(long) data] + 0x100; if (!blocked) - argument |= 0x030000; + argument |= 0x070000; return sony_call_snc_handle(sony_rfkill_handle, argument, &result); } diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c index 57233c8..8f87fec 100644 --- a/drivers/rtc/rtc-mv.c +++ b/drivers/rtc/rtc-mv.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -41,6 +42,7 @@ struct rtc_plat_data { struct rtc_device *rtc; void __iomem *ioaddr; int irq; + struct clk *clk; }; static int mv_rtc_set_time(struct device *dev, struct rtc_time *tm) @@ -221,6 +223,7 @@ static int mv_rtc_probe(struct platform_device *pdev) struct rtc_plat_data *pdata; resource_size_t size; u32 rtc_time; + int ret = 0; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) @@ -239,11 +242,17 @@ static int mv_rtc_probe(struct platform_device *pdev) if (!pdata->ioaddr) return -ENOMEM; + pdata->clk = devm_clk_get(&pdev->dev, NULL); + /* Not all SoCs require a clock.*/ + if (!IS_ERR(pdata->clk)) + clk_prepare_enable(pdata->clk); + /* make sure the 24 hours mode is enabled */ rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS); if (rtc_time & RTC_HOURS_12H_MODE) { dev_err(&pdev->dev, "24 Hours mode not supported.\n"); - return -EINVAL; + ret = -EINVAL; + goto out; } /* make sure it is actually functional */ @@ -252,7 +261,8 @@ static int mv_rtc_probe(struct platform_device *pdev) rtc_time = readl(pdata->ioaddr + RTC_TIME_REG_OFFS); if (rtc_time == 0x01000000) { dev_err(&pdev->dev, "internal RTC not ticking\n"); - return -ENODEV; + ret = -ENODEV; + goto out; } } @@ -268,8 +278,10 @@ static int mv_rtc_probe(struct platform_device *pdev) } else pdata->rtc = rtc_device_register(pdev->name, &pdev->dev, &mv_rtc_ops, THIS_MODULE); - if (IS_ERR(pdata->rtc)) - return PTR_ERR(pdata->rtc); + if (IS_ERR(pdata->rtc)) { + ret = PTR_ERR(pdata->rtc); + goto out; + } if (pdata->irq >= 0) { writel(0, pdata->ioaddr + RTC_ALARM_INTERRUPT_MASK_REG_OFFS); @@ -282,6 +294,11 @@ static int mv_rtc_probe(struct platform_device *pdev) } return 0; +out: + if (!IS_ERR(pdata->clk)) + clk_disable_unprepare(pdata->clk); + + return ret; } static int __exit mv_rtc_remove(struct platform_device *pdev) @@ -292,6 +309,9 @@ static int __exit mv_rtc_remove(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 0); rtc_device_unregister(pdata->rtc); + if (!IS_ERR(pdata->clk)) + clk_disable_unprepare(pdata->clk); + return 0; } diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index 865c64f..fed486bf 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -3747,13 +3747,13 @@ static struct DeviceCtlBlk *device_alloc(struct AdapterCtlBlk *acb, dcb->max_command = 1; dcb->target_id = target; dcb->target_lun = lun; + dcb->dev_mode = eeprom->target[target].cfg0; #ifndef DC395x_NO_DISCONNECT dcb->identify_msg = IDENTIFY(dcb->dev_mode & NTC_DO_DISCONNECT, lun); #else dcb->identify_msg = IDENTIFY(0, lun); #endif - dcb->dev_mode = eeprom->target[target].cfg0; dcb->inquiry7 = 0; dcb->sync_mode = 0; dcb->min_nego_period = clock_period[period_index]; diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 0144078..9f4e560 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -467,6 +467,7 @@ static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl, if (!bounce_sgl) return NULL; + sg_init_table(bounce_sgl, num_pages); for (i = 0; i < num_pages; i++) { page_buf = alloc_page(GFP_ATOMIC); if (!page_buf) diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 339f97f..42a2bf7 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3570,6 +3570,10 @@ check_rsp_state: spin_lock_bh(&cmd->istate_lock); cmd->i_state = ISTATE_SENT_STATUS; spin_unlock_bh(&cmd->istate_lock); + + if (atomic_read(&conn->check_immediate_queue)) + return 1; + continue; } else if (ret == 2) { /* Still must send status, @@ -3659,7 +3663,7 @@ check_rsp_state: } if (atomic_read(&conn->check_immediate_queue)) - break; + return 1; } return 0; @@ -3703,12 +3707,15 @@ restart: signal_pending(current)) goto transport_err; +get_immediate: ret = handle_immediate_queue(conn); if (ret < 0) goto transport_err; ret = handle_response_queue(conn); - if (ret == -EAGAIN) + if (ret == 1) + goto get_immediate; + else if (ret == -EAGAIN) goto restart; else if (ret < 0) goto transport_err; diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 2bcfd79..55b9530 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -940,7 +940,6 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, bio = NULL; } - page++; len -= bytes; data_len -= bytes; off = 0; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index cbf7168..2a89588 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2538,70 +2538,35 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, if ((portstatus & USB_PORT_STAT_RESET)) goto delay; - /* - * Some buggy devices require a warm reset to be issued even - * when the port appears not to be connected. + if (hub_port_warm_reset_required(hub, portstatus)) + return -ENOTCONN; + + /* Device went away? */ + if (!(portstatus & USB_PORT_STAT_CONNECTION)) + return -ENOTCONN; + + /* bomb out completely if the connection bounced. A USB 3.0 + * connection may bounce if multiple warm resets were issued, + * but the device may have successfully re-connected. Ignore it. */ - if (!warm) { - /* - * Some buggy devices can cause an NEC host controller - * to transition to the "Error" state after a hot port - * reset. This will show up as the port state in - * "Inactive", and the port may also report a - * disconnect. Forcing a warm port reset seems to make - * the device work. - * - * See https://bugzilla.kernel.org/show_bug.cgi?id=41752 - */ - if (hub_port_warm_reset_required(hub, portstatus)) { - int ret; - - if ((portchange & USB_PORT_STAT_C_CONNECTION)) - clear_port_feature(hub->hdev, port1, - USB_PORT_FEAT_C_CONNECTION); - if (portchange & USB_PORT_STAT_C_LINK_STATE) - clear_port_feature(hub->hdev, port1, - USB_PORT_FEAT_C_PORT_LINK_STATE); - if (portchange & USB_PORT_STAT_C_RESET) - clear_port_feature(hub->hdev, port1, - USB_PORT_FEAT_C_RESET); - dev_dbg(hub->intfdev, "hot reset failed, warm reset port %d\n", - port1); - ret = hub_port_reset(hub, port1, - udev, HUB_BH_RESET_TIME, - true); - if ((portchange & USB_PORT_STAT_C_CONNECTION)) - clear_port_feature(hub->hdev, port1, - USB_PORT_FEAT_C_CONNECTION); - return ret; - } - /* Device went away? */ - if (!(portstatus & USB_PORT_STAT_CONNECTION)) - return -ENOTCONN; - - /* bomb out completely if the connection bounced */ - if ((portchange & USB_PORT_STAT_C_CONNECTION)) - return -ENOTCONN; - - if ((portstatus & USB_PORT_STAT_ENABLE)) { - if (hub_is_wusb(hub)) - udev->speed = USB_SPEED_WIRELESS; - else if (hub_is_superspeed(hub->hdev)) - udev->speed = USB_SPEED_SUPER; - else if (portstatus & USB_PORT_STAT_HIGH_SPEED) - udev->speed = USB_SPEED_HIGH; - else if (portstatus & USB_PORT_STAT_LOW_SPEED) - udev->speed = USB_SPEED_LOW; - else - udev->speed = USB_SPEED_FULL; + if (!hub_is_superspeed(hub->hdev) && + (portchange & USB_PORT_STAT_C_CONNECTION)) + return -ENOTCONN; + + if ((portstatus & USB_PORT_STAT_ENABLE)) { + if (!udev) return 0; - } - } else { - if (!(portstatus & USB_PORT_STAT_CONNECTION) || - hub_port_warm_reset_required(hub, - portstatus)) - return -ENOTCONN; + if (hub_is_wusb(hub)) + udev->speed = USB_SPEED_WIRELESS; + else if (hub_is_superspeed(hub->hdev)) + udev->speed = USB_SPEED_SUPER; + else if (portstatus & USB_PORT_STAT_HIGH_SPEED) + udev->speed = USB_SPEED_HIGH; + else if (portstatus & USB_PORT_STAT_LOW_SPEED) + udev->speed = USB_SPEED_LOW; + else + udev->speed = USB_SPEED_FULL; return 0; } @@ -2619,16 +2584,16 @@ delay: } static void hub_port_finish_reset(struct usb_hub *hub, int port1, - struct usb_device *udev, int *status, bool warm) + struct usb_device *udev, int *status) { switch (*status) { case 0: - if (!warm) { - struct usb_hcd *hcd; - /* TRSTRCY = 10 ms; plus some extra */ - msleep(10 + 40); + /* TRSTRCY = 10 ms; plus some extra */ + msleep(10 + 40); + if (udev) { + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + update_devnum(udev, 0); - hcd = bus_to_hcd(udev->bus); /* The xHC may think the device is already reset, * so ignore the status. */ @@ -2640,14 +2605,15 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1, case -ENODEV: clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_RESET); - /* FIXME need disconnect() for NOTATTACHED device */ if (hub_is_superspeed(hub->hdev)) { clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_BH_PORT_RESET); clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_PORT_LINK_STATE); + clear_port_feature(hub->hdev, port1, + USB_PORT_FEAT_C_CONNECTION); } - if (!warm) + if (udev) usb_set_device_state(udev, *status ? USB_STATE_NOTATTACHED : USB_STATE_DEFAULT); @@ -2660,18 +2626,30 @@ static int hub_port_reset(struct usb_hub *hub, int port1, struct usb_device *udev, unsigned int delay, bool warm) { int i, status; + u16 portchange, portstatus; - if (!warm) { - /* Block EHCI CF initialization during the port reset. - * Some companion controllers don't like it when they mix. - */ - down_read(&ehci_cf_port_reset_rwsem); - } else { - if (!hub_is_superspeed(hub->hdev)) { + if (!hub_is_superspeed(hub->hdev)) { + if (warm) { dev_err(hub->intfdev, "only USB3 hub support " "warm reset\n"); return -EINVAL; } + /* Block EHCI CF initialization during the port reset. + * Some companion controllers don't like it when they mix. + */ + down_read(&ehci_cf_port_reset_rwsem); + } else if (!warm) { + /* + * If the caller hasn't explicitly requested a warm reset, + * double check and see if one is needed. + */ + status = hub_port_status(hub, port1, + &portstatus, &portchange); + if (status < 0) + goto done; + + if (hub_port_warm_reset_required(hub, portstatus)) + warm = true; } /* Reset the port */ @@ -2692,10 +2670,33 @@ static int hub_port_reset(struct usb_hub *hub, int port1, status); } - /* return on disconnect or reset */ + /* Check for disconnect or reset */ if (status == 0 || status == -ENOTCONN || status == -ENODEV) { - hub_port_finish_reset(hub, port1, udev, &status, warm); - goto done; + hub_port_finish_reset(hub, port1, udev, &status); + + if (!hub_is_superspeed(hub->hdev)) + goto done; + + /* + * If a USB 3.0 device migrates from reset to an error + * state, re-issue the warm reset. + */ + if (hub_port_status(hub, port1, + &portstatus, &portchange) < 0) + goto done; + + if (!hub_port_warm_reset_required(hub, portstatus)) + goto done; + + /* + * If the port is in SS.Inactive or Compliance Mode, the + * hot or warm reset failed. Try another warm reset. + */ + if (!warm) { + dev_dbg(hub->intfdev, "hot reset failed, warm reset port %d\n", + port1); + warm = true; + } } dev_dbg (hub->intfdev, @@ -2709,7 +2710,7 @@ static int hub_port_reset(struct usb_hub *hub, int port1, port1); done: - if (!warm) + if (!hub_is_superspeed(hub->hdev)) up_read(&ehci_cf_port_reset_rwsem); return status; @@ -4740,12 +4741,21 @@ static void hub_events(void) */ if (hub_port_warm_reset_required(hub, portstatus)) { int status; + struct usb_device *udev = + hub->ports[i - 1]->child; dev_dbg(hub_dev, "warm reset port %d\n", i); - status = hub_port_reset(hub, i, NULL, - HUB_BH_RESET_TIME, true); - if (status < 0) - hub_port_disable(hub, i, 1); + if (!udev) { + status = hub_port_reset(hub, i, + NULL, HUB_BH_RESET_TIME, + true); + if (status < 0) + hub_port_disable(hub, i, 1); + } else { + usb_lock_device(udev); + status = usb_reset_device(udev); + usb_unlock_device(udev); + } connect_change = 0; } diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c index f904071..20dbdcb 100644 --- a/drivers/usb/host/ehci-timer.c +++ b/drivers/usb/host/ehci-timer.c @@ -113,15 +113,14 @@ static void ehci_poll_ASS(struct ehci_hcd *ehci) if (want != actual) { - /* Poll again later */ - ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true); - ++ehci->ASS_poll_count; - return; + /* Poll again later, but give up after about 20 ms */ + if (ehci->ASS_poll_count++ < 20) { + ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true); + return; + } + ehci_dbg(ehci, "Waited too long for the async schedule status (%x/%x), giving up\n", + want, actual); } - - if (ehci->ASS_poll_count > 20) - ehci_dbg(ehci, "ASS poll count reached %d\n", - ehci->ASS_poll_count); ehci->ASS_poll_count = 0; /* The status is up-to-date; restart or stop the schedule as needed */ @@ -160,14 +159,14 @@ static void ehci_poll_PSS(struct ehci_hcd *ehci) if (want != actual) { - /* Poll again later */ - ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true); - return; + /* Poll again later, but give up after about 20 ms */ + if (ehci->PSS_poll_count++ < 20) { + ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true); + return; + } + ehci_dbg(ehci, "Waited too long for the periodic schedule status (%x/%x), giving up\n", + want, actual); } - - if (ehci->PSS_poll_count > 20) - ehci_dbg(ehci, "PSS poll count reached %d\n", - ehci->PSS_poll_count); ehci->PSS_poll_count = 0; /* The status is up-to-date; restart or stop the schedule as needed */ diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c index 85b363a..d39dfa4 100644 --- a/drivers/w1/masters/w1-gpio.c +++ b/drivers/w1/masters/w1-gpio.c @@ -72,7 +72,7 @@ static int w1_gpio_probe_dt(struct platform_device *pdev) return 0; } -static int __init w1_gpio_probe(struct platform_device *pdev) +static int w1_gpio_probe(struct platform_device *pdev) { struct w1_bus_master *master; struct w1_gpio_platform_data *pdata; diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 7f809fd..19fa73a 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -79,6 +79,7 @@ config DA9052_WATCHDOG config DA9055_WATCHDOG tristate "Dialog Semiconductor DA9055 Watchdog" depends on MFD_DA9055 + select WATCHDOG_CORE help If you say yes here you get support for watchdog on the Dialog Semiconductor DA9055 PMIC. diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c index 2b0e000..e3b8f75 100644 --- a/drivers/watchdog/sp5100_tco.c +++ b/drivers/watchdog/sp5100_tco.c @@ -361,7 +361,7 @@ static unsigned char sp5100_tco_setupdevice(void) { struct pci_dev *dev = NULL; const char *dev_name = NULL; - u32 val; + u32 val, tmp_val; u32 index_reg, data_reg, base_addr; /* Match the PCI device */ @@ -497,30 +497,19 @@ static unsigned char sp5100_tco_setupdevice(void) pr_debug("Got 0x%04x from resource tree\n", val); } - /* Restore to the low three bits, if chipset is SB8x0(or later) */ - if (sp5100_tco_pci->revision >= 0x40) { - u8 reserved_bit; - reserved_bit = inb(base_addr) & 0x7; - val |= (u32)reserved_bit; - } + /* Restore to the low three bits */ + outb(base_addr+0, index_reg); + tmp_val = val | (inb(data_reg) & 0x7); /* Re-programming the watchdog timer base address */ outb(base_addr+0, index_reg); - /* Low three bits of BASE are reserved */ - outb((val >> 0) & 0xf8, data_reg); + outb((tmp_val >> 0) & 0xff, data_reg); outb(base_addr+1, index_reg); - outb((val >> 8) & 0xff, data_reg); + outb((tmp_val >> 8) & 0xff, data_reg); outb(base_addr+2, index_reg); - outb((val >> 16) & 0xff, data_reg); + outb((tmp_val >> 16) & 0xff, data_reg); outb(base_addr+3, index_reg); - outb((val >> 24) & 0xff, data_reg); - - /* - * Clear unnecessary the low three bits, - * if chipset is SB8x0(or later) - */ - if (sp5100_tco_pci->revision >= 0x40) - val &= ~0x7; + outb((tmp_val >> 24) & 0xff, data_reg); if (!request_mem_region_exclusive(val, SP5100_WDT_MEM_MAP_SIZE, dev_name)) { diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index bcf3ba4..61786be 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -30,6 +30,7 @@ * IN THE SOFTWARE. */ +#include #include #include #include diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index cc93b23..659ea81 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -265,6 +265,7 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans, return 1; } + set_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &BTRFS_I(inode)->runtime_flags); btrfs_delalloc_release_metadata(inode, end + 1 - start); btrfs_drop_extent_cache(inode, start, aligned_end - 1, 0); return 0; @@ -2469,6 +2470,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root) */ set_bit(BTRFS_INODE_HAS_ORPHAN_ITEM, &BTRFS_I(inode)->runtime_flags); + atomic_inc(&root->orphan_inodes); /* if we have links, this was a truncate, lets do that */ if (inode->i_nlink) { @@ -2491,6 +2493,8 @@ int btrfs_orphan_cleanup(struct btrfs_root *root) goto out; ret = btrfs_truncate(inode); + if (ret) + btrfs_orphan_del(NULL, inode); } else { nr_unlink++; } diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 9027bb1..b6818ee 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3281,6 +3281,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans, int ret; bool skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; +insert: INIT_LIST_HEAD(&ordered_sums); btrfs_init_map_token(&token); key.objectid = btrfs_ino(inode); @@ -3296,6 +3297,23 @@ static int log_one_extent(struct btrfs_trans_handle *trans, leaf = path->nodes[0]; fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); + + /* + * If we are overwriting an inline extent with a real one then we need + * to just delete the inline extent as it may not be large enough to + * have the entire file_extent_item. + */ + if (ret && btrfs_token_file_extent_type(leaf, fi, &token) == + BTRFS_FILE_EXTENT_INLINE) { + ret = btrfs_del_item(trans, log, path); + btrfs_release_path(path); + if (ret) { + path->really_keep_locks = 0; + return ret; + } + goto insert; + } + btrfs_set_token_file_extent_generation(leaf, fi, em->generation, &token); if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) { diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 5cbb7f4..ac8ff8d 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -647,6 +647,7 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) new_device->writeable = 0; new_device->in_fs_metadata = 0; new_device->can_discard = 0; + spin_lock_init(&new_device->io_lock); list_replace_rcu(&device->dev_list, &new_device->dev_list); call_rcu(&device->rcu, free_device); diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index de7f916..e328339 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -558,6 +558,11 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) dentry = ERR_PTR(-ENOENT); break; } + if (!S_ISDIR(dir->i_mode)) { + dput(dentry); + dentry = ERR_PTR(-ENOTDIR); + break; + } /* skip separators */ while (*s == sep) diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index c9c7aa7..bceffe7 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -744,4 +744,5 @@ struct smb_version_values smb30_values = { .cap_unix = 0, .cap_nt_find = SMB2_NT_FIND, .cap_large_files = SMB2_LARGE_FILES, + .oplock_read = SMB2_OPLOCK_LEVEL_II, }; diff --git a/fs/compat.c b/fs/compat.c index 015e1e1..a06dcbc 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -558,6 +558,10 @@ ssize_t compat_rw_copy_check_uvector(int type, } *ret_pointer = iov; + ret = -EFAULT; + if (!access_ok(VERIFY_READ, uvector, nr_segs*sizeof(*uvector))) + goto out; + /* * Single unix specification: * We should -EINVAL if an element length is not >= 0 and fitting an @@ -1080,17 +1084,12 @@ static ssize_t compat_do_readv_writev(int type, struct file *file, if (!file->f_op) goto out; - ret = -EFAULT; - if (!access_ok(VERIFY_READ, uvector, nr_segs*sizeof(*uvector))) - goto out; - - tot_len = compat_rw_copy_check_uvector(type, uvector, nr_segs, + ret = compat_rw_copy_check_uvector(type, uvector, nr_segs, UIO_FASTIOV, iovstack, &iov); - if (tot_len == 0) { - ret = 0; + if (ret <= 0) goto out; - } + tot_len = ret; ret = rw_verify_area(type, file, pos, tot_len); if (ret < 0) goto out; diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 2f2e0da..92e68b3 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -635,7 +635,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb) brelse(bitmap_bh); printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu" ", computed = %llu, %llu\n", - EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)), + EXT4_NUM_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)), desc_count, bitmap_count); return bitmap_count; #else diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 061727a..28bbf9b 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3444,7 +3444,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) win = offs; ac->ac_b_ex.fe_logical = ac->ac_o_ex.fe_logical - - EXT4_B2C(sbi, win); + EXT4_NUM_B2C(sbi, win); BUG_ON(ac->ac_o_ex.fe_logical < ac->ac_b_ex.fe_logical); BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len); } @@ -4590,7 +4590,7 @@ do_more: EXT4_BLOCKS_PER_GROUP(sb); count -= overflow; } - count_clusters = EXT4_B2C(sbi, count); + count_clusters = EXT4_NUM_B2C(sbi, count); bitmap_bh = ext4_read_block_bitmap(sb, block_group); if (!bitmap_bh) { err = -EIO; @@ -4832,11 +4832,11 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb, ext4_group_desc_csum_set(sb, block_group, desc); ext4_unlock_group(sb, block_group); percpu_counter_add(&sbi->s_freeclusters_counter, - EXT4_B2C(sbi, blocks_freed)); + EXT4_NUM_B2C(sbi, blocks_freed)); if (sbi->s_log_groups_per_flex) { ext4_group_t flex_group = ext4_flex_group(sbi, block_group); - atomic_add(EXT4_B2C(sbi, blocks_freed), + atomic_add(EXT4_NUM_B2C(sbi, blocks_freed), &sbi->s_flex_groups[flex_group].free_clusters); } diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 02824dc..1aab70d 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1247,7 +1247,7 @@ static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb, ext4_inode_table_set(sb, gdp, group_data->inode_table); ext4_free_group_clusters_set(sb, gdp, - EXT4_B2C(sbi, group_data->free_blocks_count)); + EXT4_NUM_B2C(sbi, group_data->free_blocks_count)); ext4_free_inodes_set(sb, gdp, EXT4_INODES_PER_GROUP(sb)); if (ext4_has_group_desc_csum(sb)) ext4_itable_unused_set(sb, gdp, @@ -1349,7 +1349,7 @@ static void ext4_update_super(struct super_block *sb, /* Update the free space counts */ percpu_counter_add(&sbi->s_freeclusters_counter, - EXT4_B2C(sbi, free_blocks)); + EXT4_NUM_B2C(sbi, free_blocks)); percpu_counter_add(&sbi->s_freeinodes_counter, EXT4_INODES_PER_GROUP(sb) * flex_gd->count); @@ -1360,7 +1360,7 @@ static void ext4_update_super(struct super_block *sb, sbi->s_log_groups_per_flex) { ext4_group_t flex_group; flex_group = ext4_flex_group(sbi, group_data[0].group); - atomic_add(EXT4_B2C(sbi, free_blocks), + atomic_add(EXT4_NUM_B2C(sbi, free_blocks), &sbi->s_flex_groups[flex_group].free_clusters); atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count, &sbi->s_flex_groups[flex_group].free_inodes); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0465f36..5fa223d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3235,7 +3235,7 @@ int ext4_calculate_overhead(struct super_block *sb) } /* Add the journal blocks as well */ if (sbi->s_journal) - overhead += EXT4_B2C(sbi, sbi->s_journal->j_maxlen); + overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen); sbi->s_overhead = overhead; smp_wmb(); diff --git a/fs/namei.c b/fs/namei.c index 43a97ee..ec97aef 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -693,8 +693,6 @@ void nd_jump_link(struct nameidata *nd, struct path *path) nd->path = *path; nd->inode = nd->path.dentry->d_inode; nd->flags |= LOOKUP_JUMPED; - - BUG_ON(nd->inode->i_op->follow_link); } static inline void put_link(struct nameidata *nd, struct path *link, void *cookie) diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 194c484..49eeb04 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -99,7 +99,8 @@ static void filelayout_reset_write(struct nfs_write_data *data) task->tk_status = pnfs_write_done_resend_to_mds(hdr->inode, &hdr->pages, - hdr->completion_ops); + hdr->completion_ops, + hdr->dreq); } } @@ -119,7 +120,8 @@ static void filelayout_reset_read(struct nfs_read_data *data) task->tk_status = pnfs_read_done_resend_to_mds(hdr->inode, &hdr->pages, - hdr->completion_ops); + hdr->completion_ops, + hdr->dreq); } } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index efda60d..3cb5e77 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6087,11 +6087,13 @@ static struct page **nfs4_alloc_pages(size_t size, gfp_t gfp_flags) static void nfs4_layoutget_release(void *calldata) { struct nfs4_layoutget *lgp = calldata; - struct nfs_server *server = NFS_SERVER(lgp->args.inode); + struct inode *inode = lgp->args.inode; + struct nfs_server *server = NFS_SERVER(inode); size_t max_pages = max_response_pages(server); dprintk("--> %s\n", __func__); nfs4_free_pages(lgp->args.layout.pages, max_pages); + pnfs_put_layout_hdr(NFS_I(inode)->layout); put_nfs_open_context(lgp->args.ctx); kfree(calldata); dprintk("<-- %s\n", __func__); @@ -6106,7 +6108,8 @@ static const struct rpc_call_ops nfs4_layoutget_call_ops = { struct pnfs_layout_segment * nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags) { - struct nfs_server *server = NFS_SERVER(lgp->args.inode); + struct inode *inode = lgp->args.inode; + struct nfs_server *server = NFS_SERVER(inode); size_t max_pages = max_response_pages(server); struct rpc_task *task; struct rpc_message msg = { @@ -6136,6 +6139,10 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, gfp_t gfp_flags) lgp->res.layoutp = &lgp->args.layout; lgp->res.seq_res.sr_slot = NULL; nfs41_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0); + + /* nfs4_layoutget_release calls pnfs_put_layout_hdr */ + pnfs_get_layout_hdr(NFS_I(inode)->layout); + task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return ERR_CAST(task); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 6be70f6..97767c8 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -1422,13 +1422,15 @@ EXPORT_SYMBOL_GPL(pnfs_generic_pg_test); int pnfs_write_done_resend_to_mds(struct inode *inode, struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops) + const struct nfs_pgio_completion_ops *compl_ops, + struct nfs_direct_req *dreq) { struct nfs_pageio_descriptor pgio; LIST_HEAD(failed); /* Resend all requests through the MDS */ nfs_pageio_init_write(&pgio, inode, FLUSH_STABLE, compl_ops); + pgio.pg_dreq = dreq; while (!list_empty(head)) { struct nfs_page *req = nfs_list_entry(head->next); @@ -1463,7 +1465,8 @@ static void pnfs_ld_handle_write_error(struct nfs_write_data *data) if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) data->task.tk_status = pnfs_write_done_resend_to_mds(hdr->inode, &hdr->pages, - hdr->completion_ops); + hdr->completion_ops, + hdr->dreq); } /* @@ -1578,13 +1581,15 @@ EXPORT_SYMBOL_GPL(pnfs_generic_pg_writepages); int pnfs_read_done_resend_to_mds(struct inode *inode, struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops) + const struct nfs_pgio_completion_ops *compl_ops, + struct nfs_direct_req *dreq) { struct nfs_pageio_descriptor pgio; LIST_HEAD(failed); /* Resend all requests through the MDS */ nfs_pageio_init_read(&pgio, inode, compl_ops); + pgio.pg_dreq = dreq; while (!list_empty(head)) { struct nfs_page *req = nfs_list_entry(head->next); @@ -1615,7 +1620,8 @@ static void pnfs_ld_handle_read_error(struct nfs_read_data *data) if (!test_and_set_bit(NFS_IOHDR_REDO, &hdr->flags)) data->task.tk_status = pnfs_read_done_resend_to_mds(hdr->inode, &hdr->pages, - hdr->completion_ops); + hdr->completion_ops, + hdr->dreq); } /* diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 97cb358..94ba804 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -230,9 +230,11 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino, void nfs4_deviceid_mark_client_invalid(struct nfs_client *clp); int pnfs_read_done_resend_to_mds(struct inode *inode, struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops); + const struct nfs_pgio_completion_ops *compl_ops, + struct nfs_direct_req *dreq); int pnfs_write_done_resend_to_mds(struct inode *inode, struct list_head *head, - const struct nfs_pgio_completion_ops *compl_ops); + const struct nfs_pgio_completion_ops *compl_ops, + struct nfs_direct_req *dreq); struct nfs4_threshold *pnfs_mdsthreshold_alloc(void); /* nfs4_deviceid_flags */ diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index 3f79c77..6edc807 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -336,20 +336,14 @@ static void nfs_async_rename_done(struct rpc_task *task, void *calldata) struct inode *old_dir = data->old_dir; struct inode *new_dir = data->new_dir; struct dentry *old_dentry = data->old_dentry; - struct dentry *new_dentry = data->new_dentry; if (!NFS_PROTO(old_dir)->rename_done(task, old_dir, new_dir)) { rpc_restart_call_prepare(task); return; } - if (task->tk_status != 0) { + if (task->tk_status != 0) nfs_cancel_async_unlink(old_dentry); - return; - } - - d_drop(old_dentry); - d_drop(new_dentry); } /** @@ -550,6 +544,18 @@ nfs_sillyrename(struct inode *dir, struct dentry *dentry) error = rpc_wait_for_completion_task(task); if (error == 0) error = task->tk_status; + switch (error) { + case 0: + /* The rename succeeded */ + nfs_set_verifier(dentry, nfs_save_change_attribute(dir)); + d_move(dentry, sdentry); + break; + case -ERESTARTSYS: + /* The result of the rename is unknown. Play it safe by + * forcing a new lookup */ + d_drop(dentry); + d_drop(sdentry); + } rpc_put_task(task); out_dput: dput(sdentry); diff --git a/fs/pipe.c b/fs/pipe.c index bd3479d..8e2e73f 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -863,6 +863,9 @@ pipe_rdwr_open(struct inode *inode, struct file *filp) { int ret = -ENOENT; + if (!(filp->f_mode & (FMODE_READ|FMODE_WRITE))) + return -EINVAL; + mutex_lock(&inode->i_mutex); if (inode->i_pipe) { diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c index b7a4719..66b51c0 100644 --- a/fs/proc/namespaces.c +++ b/fs/proc/namespaces.c @@ -118,7 +118,7 @@ static void *proc_ns_follow_link(struct dentry *dentry, struct nameidata *nd) struct super_block *sb = inode->i_sb; struct proc_inode *ei = PROC_I(inode); struct task_struct *task; - struct dentry *ns_dentry; + struct path ns_path; void *error = ERR_PTR(-EACCES); task = get_proc_task(inode); @@ -128,14 +128,14 @@ static void *proc_ns_follow_link(struct dentry *dentry, struct nameidata *nd) if (!ptrace_may_access(task, PTRACE_MODE_READ)) goto out_put_task; - ns_dentry = proc_ns_get_dentry(sb, task, ei->ns_ops); - if (IS_ERR(ns_dentry)) { - error = ERR_CAST(ns_dentry); + ns_path.dentry = proc_ns_get_dentry(sb, task, ei->ns_ops); + if (IS_ERR(ns_path.dentry)) { + error = ERR_CAST(ns_path.dentry); goto out_put_task; } - dput(nd->path.dentry); - nd->path.dentry = ns_dentry; + ns_path.mnt = mntget(nd->path.mnt); + nd_jump_link(nd, &ns_path); error = NULL; out_put_task: diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index bf6afa2..a5cda3e 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -68,8 +68,8 @@ typedef void (*dm_postsuspend_fn) (struct dm_target *ti); typedef int (*dm_preresume_fn) (struct dm_target *ti); typedef void (*dm_resume_fn) (struct dm_target *ti); -typedef int (*dm_status_fn) (struct dm_target *ti, status_type_t status_type, - unsigned status_flags, char *result, unsigned maxlen); +typedef void (*dm_status_fn) (struct dm_target *ti, status_type_t status_type, + unsigned status_flags, char *result, unsigned maxlen); typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv); diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h index 4b117a3..acf4d31 100644 --- a/include/linux/mfd/rtsx_pci.h +++ b/include/linux/mfd/rtsx_pci.h @@ -735,6 +735,7 @@ struct rtsx_pcr { unsigned int card_inserted; unsigned int card_removed; + unsigned int card_exist; struct delayed_work carddet_work; struct delayed_work idle_work; @@ -799,6 +800,7 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk); int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card); int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card); +int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card); int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage); unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr); void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr); diff --git a/ipc/msg.c b/ipc/msg.c index 950572f..31cd1bf 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -820,15 +820,17 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, struct msg_msg *copy = NULL; unsigned long copy_number = 0; + ns = current->nsproxy->ipc_ns; + if (msqid < 0 || (long) bufsz < 0) return -EINVAL; if (msgflg & MSG_COPY) { - copy = prepare_copy(buf, bufsz, msgflg, &msgtyp, ©_number); + copy = prepare_copy(buf, min_t(size_t, bufsz, ns->msg_ctlmax), + msgflg, &msgtyp, ©_number); if (IS_ERR(copy)) return PTR_ERR(copy); } mode = convert_mode(&msgtyp, msgflg); - ns = current->nsproxy->ipc_ns; msq = msg_lock_check(ns, msqid); if (IS_ERR(msq)) { diff --git a/ipc/msgutil.c b/ipc/msgutil.c index ebfcbfa..5df8e4b 100644 --- a/ipc/msgutil.c +++ b/ipc/msgutil.c @@ -117,9 +117,6 @@ struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst) if (alen > DATALEN_MSG) alen = DATALEN_MSG; - dst->next = NULL; - dst->security = NULL; - memcpy(dst + 1, src + 1, alen); len -= alen; diff --git a/kernel/fork.c b/kernel/fork.c index c535f33..5630e52 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1141,6 +1141,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS)) return ERR_PTR(-EINVAL); + if ((clone_flags & (CLONE_NEWUSER|CLONE_FS)) == (CLONE_NEWUSER|CLONE_FS)) + return ERR_PTR(-EINVAL); + /* * Thread groups must share signals as well, and detached threads * can only be started up within the thread group. @@ -1801,7 +1804,7 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) * If unsharing a user namespace must also unshare the thread. */ if (unshare_flags & CLONE_NEWUSER) - unshare_flags |= CLONE_THREAD; + unshare_flags |= CLONE_THREAD | CLONE_FS; /* * If unsharing a pid namespace must also unshare the thread. */ diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index d58e552..e78feff 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -564,14 +564,19 @@ void tick_nohz_idle_enter(void) */ void tick_nohz_irq_exit(void) { + unsigned long flags; struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); if (!ts->inidle) return; - /* Cancel the timer because CPU already waken up from the C-states*/ + local_irq_save(flags); + + /* Cancel the timer because CPU already waken up from the C-states */ menu_hrtimer_cancel(); __tick_nohz_idle_enter(ts); + + local_irq_restore(flags); } /** diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 5d89335..2747967 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -416,24 +416,28 @@ config PROBE_EVENTS def_bool n config DYNAMIC_FTRACE - bool "enable/disable ftrace tracepoints dynamically" + bool "enable/disable function tracing dynamically" depends on FUNCTION_TRACER depends on HAVE_DYNAMIC_FTRACE default y help - This option will modify all the calls to ftrace dynamically - (will patch them out of the binary image and replace them - with a No-Op instruction) as they are called. A table is - created to dynamically enable them again. + This option will modify all the calls to function tracing + dynamically (will patch them out of the binary image and + replace them with a No-Op instruction) on boot up. During + compile time, a table is made of all the locations that ftrace + can function trace, and this table is linked into the kernel + image. When this is enabled, functions can be individually + enabled, and the functions not enabled will not affect + performance of the system. + + See the files in /sys/kernel/debug/tracing: + available_filter_functions + set_ftrace_filter + set_ftrace_notrace This way a CONFIG_FUNCTION_TRACER kernel is slightly larger, but otherwise has native performance as long as no tracing is active. - The changes to the code are done by a kernel thread that - wakes up once a second and checks to see if any ftrace calls - were made. If so, it runs stop_machine (stops all CPUS) - and modifies the code to jump over the call to ftrace. - config FUNCTION_PROFILER bool "Kernel function profiler" depends on FUNCTION_TRACER diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c index 2b042c4..dbfe36a7 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c @@ -21,6 +21,7 @@ #include #include #include +#include static struct kmem_cache *user_ns_cachep __read_mostly; @@ -803,6 +804,9 @@ static int userns_install(struct nsproxy *nsproxy, void *ns) if (atomic_read(¤t->mm->mm_users) > 1) return -EINVAL; + if (current->fs->users != 1) + return -EINVAL; + if (!ns_capable(user_ns, CAP_SYS_ADMIN)) return -EPERM; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index e2df1c1..3df6d12 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2386,8 +2386,8 @@ restart: *mpol_new = *n->policy; atomic_set(&mpol_new->refcnt, 1); sp_node_init(n_new, n->end, end, mpol_new); - sp_insert(sp, n_new); n->end = start; + sp_insert(sp, n_new); n_new = NULL; mpol_new = NULL; break; diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index 926b466..fd26d04 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -429,12 +429,6 @@ compat_process_vm_rw(compat_pid_t pid, if (flags != 0) return -EINVAL; - if (!access_ok(VERIFY_READ, lvec, liovcnt * sizeof(*lvec))) - goto out; - - if (!access_ok(VERIFY_READ, rvec, riovcnt * sizeof(*rvec))) - goto out; - if (vm_write) rc = compat_rw_copy_check_uvector(WRITE, lvec, liovcnt, UIO_FASTIOV, iovstack_l, @@ -459,8 +453,6 @@ free_iovecs: kfree(iov_r); if (iov_l != iovstack_l) kfree(iov_l); - -out: return rc; } diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index f651da6..76c3d0a 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -1234,7 +1234,7 @@ static inline int __init lowpan_netlink_init(void) return rtnl_link_register(&lowpan_link_ops); } -static inline void __init lowpan_netlink_fini(void) +static inline void lowpan_netlink_fini(void) { rtnl_link_unregister(&lowpan_link_ops); } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index f75ba1a..9979bf8 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4072,6 +4072,17 @@ void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; + /* + * Make sure some work items will not run after this, + * they will not do anything but might not have been + * cancelled when disconnecting. + */ + cancel_work_sync(&ifmgd->monitor_work); + cancel_work_sync(&ifmgd->beacon_connection_loss_work); + cancel_work_sync(&ifmgd->request_smps_work); + cancel_work_sync(&ifmgd->csa_connection_drop_work); + cancel_work_sync(&ifmgd->chswitch_work); + mutex_lock(&ifmgd->mtx); if (ifmgd->assoc_data) ieee80211_destroy_assoc_data(sdata, false); diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 33811db..ab02588 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -485,13 +485,17 @@ EXPORT_SYMBOL_GPL(xprt_wake_pending_tasks); * xprt_wait_for_buffer_space - wait for transport output buffer to clear * @task: task to be put to sleep * @action: function pointer to be executed after wait + * + * Note that we only set the timer for the case of RPC_IS_SOFT(), since + * we don't in general want to force a socket disconnection due to + * an incomplete RPC call transmission. */ void xprt_wait_for_buffer_space(struct rpc_task *task, rpc_action action) { struct rpc_rqst *req = task->tk_rqstp; struct rpc_xprt *xprt = req->rq_xprt; - task->tk_timeout = req->rq_timeout; + task->tk_timeout = RPC_IS_SOFT(task) ? req->rq_timeout : 0; rpc_sleep_on(&xprt->pending, task, action); } EXPORT_SYMBOL_GPL(xprt_wait_for_buffer_space); diff --git a/security/keys/compat.c b/security/keys/compat.c index 1c26176..d65fa7f 100644 --- a/security/keys/compat.c +++ b/security/keys/compat.c @@ -40,12 +40,12 @@ static long compat_keyctl_instantiate_key_iov( ARRAY_SIZE(iovstack), iovstack, &iov); if (ret < 0) - return ret; + goto err; if (ret == 0) goto no_payload_free; ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid); - +err: if (iov != iovstack) kfree(iov); return ret; diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c index 58dfe08..42defae 100644 --- a/security/keys/process_keys.c +++ b/security/keys/process_keys.c @@ -57,7 +57,7 @@ int install_user_keyrings(void) kenter("%p{%u}", user, uid); - if (user->uid_keyring) { + if (user->uid_keyring && user->session_keyring) { kleave(" = 0 [exist]"); return 0; } @@ -839,7 +839,7 @@ void key_change_session_keyring(struct callback_head *twork) new-> sgid = old-> sgid; new->fsgid = old->fsgid; new->user = get_uid(old->user); - new->user_ns = get_user_ns(new->user_ns); + new->user_ns = get_user_ns(old->user_ns); new->group_info = get_group_info(old->group_info); new->securebits = old->securebits; diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c index 8575861..0097f36 100644 --- a/sound/core/vmaster.c +++ b/sound/core/vmaster.c @@ -213,7 +213,10 @@ static int slave_put(struct snd_kcontrol *kcontrol, } if (!changed) return 0; - return slave_put_val(slave, ucontrol); + err = slave_put_val(slave, ucontrol); + if (err < 0) + return err; + return 1; } static int slave_tlv_cmd(struct snd_kcontrol *kcontrol, diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 2ffdc35..806407a 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -2594,6 +2594,8 @@ static int snd_ice1712_create(struct snd_card *card, snd_ice1712_proc_init(ice); synchronize_irq(pci->irq); + card->private_data = ice; + err = pci_request_regions(pci, "ICE1712"); if (err < 0) { kfree(ice);