diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c index df74518..ab1017b 100644 --- a/arch/arm/kernel/swp_emulate.c +++ b/arch/arm/kernel/swp_emulate.c @@ -109,10 +109,12 @@ static void set_segfault(struct pt_regs *regs, unsigned long addr) { siginfo_t info; + down_read(¤t->mm->mmap_sem); if (find_vma(current->mm, addr) == NULL) info.si_code = SEGV_MAPERR; else info.si_code = SEGV_ACCERR; + up_read(¤t->mm->mmap_sem); info.si_signo = SIGSEGV; info.si_errno = 0; diff --git a/arch/arm/mach-realview/include/mach/board-eb.h b/arch/arm/mach-realview/include/mach/board-eb.h index 124bce6..a301e61 100644 --- a/arch/arm/mach-realview/include/mach/board-eb.h +++ b/arch/arm/mach-realview/include/mach/board-eb.h @@ -47,7 +47,7 @@ #define REALVIEW_EB_USB_BASE 0x4F000000 /* USB */ #ifdef CONFIG_REALVIEW_EB_ARM11MP_REVB -#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x1F000000 +#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x10100000 #define REALVIEW_EB11MP_L220_BASE 0x10102000 /* L220 registers */ #define REALVIEW_EB11MP_SYS_PLD_CTRL1 0xD8 /* Register offset for MPCore sysctl */ #else diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index cd95664..7539ec2 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -44,8 +44,10 @@ ENDPROC(v7_flush_icache_all) ENTRY(v7_flush_dcache_louis) dmb @ ensure ordering with previous memory accesses mrc p15, 1, r0, c0, c0, 1 @ read clidr, r0 = clidr - ands r3, r0, #0xe00000 @ extract LoUIS from clidr - mov r3, r3, lsr #20 @ r3 = LoUIS * 2 + ALT_SMP(ands r3, r0, #(7 << 21)) @ extract LoUIS from clidr + ALT_UP(ands r3, r0, #(7 << 27)) @ extract LoUU from clidr + ALT_SMP(mov r3, r3, lsr #20) @ r3 = LoUIS * 2 + ALT_UP(mov r3, r3, lsr #26) @ r3 = LoUU * 2 moveq pc, lr @ return if level == 0 mov r10, #0 @ r10 (starting level) = 0 b flush_levels @ start flushing cache levels diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 941dfb9..99b47b9 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -488,7 +488,7 @@ static void __init build_mem_type_table(void) #endif for (i = 0; i < 16; i++) { - unsigned long v = pgprot_val(protection_map[i]); + pteval_t v = pgprot_val(protection_map[i]); protection_map[i] = __pgprot(v | user_pgprot); } diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 14aba2d..64b1339 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -159,6 +159,8 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, { if (pte_present_exec_user(pte)) __sync_icache_dcache(pte, addr); + if (!pte_dirty(pte)) + pte = pte_wrprotect(pte); set_pte(ptep, pte); } diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 656a6f2..660f210 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -393,7 +393,7 @@ __SYSCALL(368, compat_sys_fanotify_mark_wrapper) __SYSCALL(369, sys_prlimit64) __SYSCALL(370, sys_name_to_handle_at) __SYSCALL(371, compat_sys_open_by_handle_at) -__SYSCALL(372, sys_clock_adjtime) +__SYSCALL(372, compat_sys_clock_adjtime) __SYSCALL(373, sys_syncfs) #define __NR_compat_syscalls 374 diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 8807ba2..051bb52 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -41,6 +41,8 @@ struct rt_sigframe { struct siginfo info; struct ucontext uc; + u64 fp; + u64 lr; }; static int preserve_fpsimd_context(struct fpsimd_context __user *ctx) @@ -175,6 +177,10 @@ static int setup_sigframe(struct rt_sigframe __user *sf, struct aux_context __user *aux = (struct aux_context __user *)sf->uc.uc_mcontext.__reserved; + /* set up the stack frame for unwinding */ + __put_user_error(regs->regs[29], &sf->fp, err); + __put_user_error(regs->regs[30], &sf->lr, err); + for (i = 0; i < 31; i++) __put_user_error(regs->regs[i], &sf->uc.uc_mcontext.regs[i], err); @@ -210,9 +216,6 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, if ((ka->sa.sa_flags & SA_ONSTACK) && !sas_ss_flags(sp)) sp = sp_top = current->sas_ss_sp + current->sas_ss_size; - /* room for stack frame (FP, LR) */ - sp -= 16; - sp = (sp - framesize) & ~15; frame = (void __user *)sp; @@ -225,20 +228,14 @@ static void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, return frame; } -static int setup_return(struct pt_regs *regs, struct k_sigaction *ka, - void __user *frame, int usig) +static void setup_return(struct pt_regs *regs, struct k_sigaction *ka, + void __user *frame, int usig) { - int err = 0; __sigrestore_t sigtramp; - unsigned long __user *sp = (unsigned long __user *)regs->sp; - - /* set up the stack frame */ - __put_user_error(regs->regs[29], sp - 2, err); - __put_user_error(regs->regs[30], sp - 1, err); regs->regs[0] = usig; - regs->regs[29] = regs->sp - 16; regs->sp = (unsigned long)frame; + regs->regs[29] = regs->sp + offsetof(struct rt_sigframe, fp); regs->pc = (unsigned long)ka->sa.sa_handler; if (ka->sa.sa_flags & SA_RESTORER) @@ -247,8 +244,6 @@ static int setup_return(struct pt_regs *regs, struct k_sigaction *ka, sigtramp = VDSO_SYMBOL(current->mm->context.vdso, sigtramp); regs->regs[30] = (unsigned long)sigtramp; - - return err; } static int setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, @@ -272,13 +267,13 @@ static int setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, err |= __copy_to_user(&frame->uc.uc_stack, &stack, sizeof(stack)); err |= setup_sigframe(frame, regs, set); - if (err == 0) - err = setup_return(regs, ka, frame, usig); - - if (err == 0 && ka->sa.sa_flags & SA_SIGINFO) { - err |= copy_siginfo_to_user(&frame->info, info); - regs->regs[1] = (unsigned long)&frame->info; - regs->regs[2] = (unsigned long)&frame->uc; + if (err == 0) { + setup_return(regs, ka, frame, usig); + if (ka->sa.sa_flags & SA_SIGINFO) { + err |= copy_siginfo_to_user(&frame->info, info); + regs->regs[1] = (unsigned long)&frame->info; + regs->regs[2] = (unsigned long)&frame->uc; + } } return err; diff --git a/arch/cris/include/asm/io.h b/arch/cris/include/asm/io.h index 32567bc..ac12ae2 100644 --- a/arch/cris/include/asm/io.h +++ b/arch/cris/include/asm/io.h @@ -133,12 +133,39 @@ static inline void writel(unsigned int b, volatile void __iomem *addr) #define insb(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,1,count) : 0) #define insw(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,2,count) : 0) #define insl(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,4,count) : 0) -#define outb(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,1,1) -#define outw(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,2,1) -#define outl(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,4,1) -#define outsb(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,1,count) -#define outsw(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,2,count) -#define outsl(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,3,count) +static inline void outb(unsigned char data, unsigned int port) +{ + if (cris_iops) + cris_iops->write_io(port, (void *) &data, 1, 1); +} +static inline void outw(unsigned short data, unsigned int port) +{ + if (cris_iops) + cris_iops->write_io(port, (void *) &data, 2, 1); +} +static inline void outl(unsigned int data, unsigned int port) +{ + if (cris_iops) + cris_iops->write_io(port, (void *) &data, 4, 1); +} +static inline void outsb(unsigned int port, const void *addr, + unsigned long count) +{ + if (cris_iops) + cris_iops->write_io(port, (void *)addr, 1, count); +} +static inline void outsw(unsigned int port, const void *addr, + unsigned long count) +{ + if (cris_iops) + cris_iops->write_io(port, (void *)addr, 2, count); +} +static inline void outsl(unsigned int port, const void *addr, + unsigned long count) +{ + if (cris_iops) + cris_iops->write_io(port, (void *)addr, 4, count); +} /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S index 23f6cbb..1cda8aa 100644 --- a/arch/sparc/crypto/aes_asm.S +++ b/arch/sparc/crypto/aes_asm.S @@ -1024,7 +1024,11 @@ ENTRY(aes_sparc64_ecb_encrypt_256) add %o2, 0x20, %o2 brlz,pt %o3, 11f nop -10: ldx [%o1 + 0x00], %g3 +10: ldd [%o0 + 0xd0], %f56 + ldd [%o0 + 0xd8], %f58 + ldd [%o0 + 0xe0], %f60 + ldd [%o0 + 0xe8], %f62 + ldx [%o1 + 0x00], %g3 ldx [%o1 + 0x08], %g7 xor %g1, %g3, %g3 xor %g2, %g7, %g7 @@ -1128,9 +1132,9 @@ ENTRY(aes_sparc64_ecb_decrypt_256) /* %o0=&key[key_len], %o1=input, %o2=output, %o3=len */ ldx [%o0 - 0x10], %g1 subcc %o3, 0x10, %o3 + ldx [%o0 - 0x08], %g2 be 10f - ldx [%o0 - 0x08], %g2 - sub %o0, 0xf0, %o0 + sub %o0, 0xf0, %o0 1: ldx [%o1 + 0x00], %g3 ldx [%o1 + 0x08], %g7 ldx [%o1 + 0x10], %o4 @@ -1154,7 +1158,11 @@ ENTRY(aes_sparc64_ecb_decrypt_256) add %o2, 0x20, %o2 brlz,pt %o3, 11f nop -10: ldx [%o1 + 0x00], %g3 +10: ldd [%o0 + 0x18], %f56 + ldd [%o0 + 0x10], %f58 + ldd [%o0 + 0x08], %f60 + ldd [%o0 + 0x00], %f62 + ldx [%o1 + 0x00], %g3 ldx [%o1 + 0x08], %g7 xor %g1, %g3, %g3 xor %g2, %g7, %g7 @@ -1511,11 +1519,11 @@ ENTRY(aes_sparc64_ctr_crypt_256) add %o2, 0x20, %o2 brlz,pt %o3, 11f nop - ldd [%o0 + 0xd0], %f56 +10: ldd [%o0 + 0xd0], %f56 ldd [%o0 + 0xd8], %f58 ldd [%o0 + 0xe0], %f60 ldd [%o0 + 0xe8], %f62 -10: xor %g1, %g3, %o5 + xor %g1, %g3, %o5 MOVXTOD_O5_F0 xor %g2, %g7, %o5 MOVXTOD_O5_F2 diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index 3965d1d..503e6d9 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -222,6 +222,7 @@ static int ecb_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_encrypt_keys(&ctx->key[0]); while ((nbytes = walk.nbytes)) { @@ -251,6 +252,7 @@ static int ecb_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_decrypt_keys(&ctx->key[0]); key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)]; @@ -280,6 +282,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_encrypt_keys(&ctx->key[0]); while ((nbytes = walk.nbytes)) { @@ -309,6 +312,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_decrypt_keys(&ctx->key[0]); key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)]; @@ -329,6 +333,22 @@ static int cbc_decrypt(struct blkcipher_desc *desc, return err; } +static void ctr_crypt_final(struct crypto_sparc64_aes_ctx *ctx, + struct blkcipher_walk *walk) +{ + u8 *ctrblk = walk->iv; + u64 keystream[AES_BLOCK_SIZE / sizeof(u64)]; + u8 *src = walk->src.virt.addr; + u8 *dst = walk->dst.virt.addr; + unsigned int nbytes = walk->nbytes; + + ctx->ops->ecb_encrypt(&ctx->key[0], (const u64 *)ctrblk, + keystream, AES_BLOCK_SIZE); + crypto_xor((u8 *) keystream, src, nbytes); + memcpy(dst, keystream, nbytes); + crypto_inc(ctrblk, AES_BLOCK_SIZE); +} + static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) @@ -338,10 +358,11 @@ static int ctr_crypt(struct blkcipher_desc *desc, int err; blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); + err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_encrypt_keys(&ctx->key[0]); - while ((nbytes = walk.nbytes)) { + while ((nbytes = walk.nbytes) >= AES_BLOCK_SIZE) { unsigned int block_len = nbytes & AES_BLOCK_MASK; if (likely(block_len)) { @@ -353,6 +374,10 @@ static int ctr_crypt(struct blkcipher_desc *desc, nbytes &= AES_BLOCK_SIZE - 1; err = blkcipher_walk_done(desc, &walk, nbytes); } + if (walk.nbytes) { + ctr_crypt_final(ctx, &walk); + err = blkcipher_walk_done(desc, &walk, 0); + } fprs_write(0); return err; } @@ -418,7 +443,7 @@ static struct crypto_alg algs[] = { { .cra_driver_name = "ctr-aes-sparc64", .cra_priority = SPARC_CR_OPCODE_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, + .cra_blocksize = 1, .cra_ctxsize = sizeof(struct crypto_sparc64_aes_ctx), .cra_alignmask = 7, .cra_type = &crypto_blkcipher_type, diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c index 62c89af..888f626 100644 --- a/arch/sparc/crypto/camellia_glue.c +++ b/arch/sparc/crypto/camellia_glue.c @@ -98,6 +98,7 @@ static int __ecb_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) key = &ctx->encrypt_key[0]; @@ -160,6 +161,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; key = &ctx->encrypt_key[0]; camellia_sparc64_load_keys(key, ctx->key_len); @@ -198,6 +200,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; key = &ctx->decrypt_key[0]; camellia_sparc64_load_keys(key, ctx->key_len); diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S index 30b6e90..b5c8fc2 100644 --- a/arch/sparc/crypto/des_asm.S +++ b/arch/sparc/crypto/des_asm.S @@ -376,6 +376,7 @@ ENTRY(des3_ede_sparc64_ecb_crypt) 1: ldd [%o1 + 0x00], %f60 DES3_LOOP_BODY(60) std %f60, [%o2 + 0x00] + add %o1, 0x08, %o1 subcc %o3, 0x08, %o3 bne,pt %icc, 1b add %o2, 0x08, %o2 diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index 41524ce..3065bc6 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -100,6 +100,7 @@ static int __ecb_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) des_sparc64_load_keys(&ctx->encrypt_expkey[0]); @@ -147,6 +148,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; des_sparc64_load_keys(&ctx->encrypt_expkey[0]); while ((nbytes = walk.nbytes)) { @@ -177,6 +179,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; des_sparc64_load_keys(&ctx->decrypt_expkey[0]); while ((nbytes = walk.nbytes)) { @@ -266,6 +269,7 @@ static int __ecb3_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) K = &ctx->encrypt_expkey[0]; @@ -317,6 +321,7 @@ static int cbc3_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; K = &ctx->encrypt_expkey[0]; des3_ede_sparc64_load_keys(K); @@ -352,6 +357,7 @@ static int cbc3_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; K = &ctx->decrypt_expkey[0]; des3_ede_sparc64_load_keys(K); diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 8c5eed6..9661e9b 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -61,14 +61,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - ptep_set_wrprotect(mm, addr, ptep); + pte_t old_pte = *ptep; + set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); } static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty) { - return ptep_set_access_flags(vma, addr, ptep, pte, dirty); + int changed = !pte_same(*ptep, pte); + if (changed) { + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); + flush_tlb_page(vma, addr); + } + return changed; } static inline pte_t huge_ptep_get(pte_t *ptep) diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 720e973f..487d9f3 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -433,7 +433,8 @@ static const struct dmi_system_id __devinitconst pciprobe_dmi_table[] = { .callback = set_scan_all, .ident = "Stratus/NEC ftServer", .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ftServer"), + DMI_MATCH(DMI_SYS_VENDOR, "Stratus"), + DMI_MATCH(DMI_PRODUCT_NAME, "ftServer"), }, }, {} diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 1fcb867..c441834 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1227,7 +1227,7 @@ static void acpi_device_set_id(struct acpi_device *device) acpi_add_id(device, ACPI_DOCK_HID); else if (!acpi_ibm_smbus_match(device)) acpi_add_id(device, ACPI_SMBUS_IBM_HID); - else if (!acpi_device_hid(device) && + else if (list_empty(&device->pnp.ids) && ACPI_IS_ROOT_DEVICE(device->parent)) { acpi_add_id(device, ACPI_BUS_HID); /* \_SB, LNXSYBUS */ strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 847ed55..813aa38 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -109,6 +109,180 @@ void __init acpi_old_suspend_ordering(void) old_suspend_ordering = true; } +static int __init init_old_suspend_ordering(const struct dmi_system_id *d) +{ + acpi_old_suspend_ordering(); + return 0; +} + +static int __init init_nvs_nosave(const struct dmi_system_id *d) +{ + acpi_nvs_nosave(); + return 0; +} + +static struct dmi_system_id __initdata acpisleep_dmi_table[] = { + { + .callback = init_old_suspend_ordering, + .ident = "Abit KN9 (nForce4 variant)", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "http://www.abit.com.tw/"), + DMI_MATCH(DMI_BOARD_NAME, "KN9 Series(NF-CK804)"), + }, + }, + { + .callback = init_old_suspend_ordering, + .ident = "HP xw4600 Workstation", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP xw4600 Workstation"), + }, + }, + { + .callback = init_old_suspend_ordering, + .ident = "Asus Pundit P1-AH2 (M2N8L motherboard)", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "M2N8L"), + }, + }, + { + .callback = init_old_suspend_ordering, + .ident = "Panasonic CF51-2L", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, + "Matsushita Electric Industrial Co.,Ltd."), + DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VGN-FW21E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW21E"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCEB17FX", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB17FX"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VGN-SR11M", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Everex StepNote Series", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCEB1Z1E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VGN-NW130D", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NW130D"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCCW29FX", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCCW29FX"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Averatec AV1020-ED2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"), + DMI_MATCH(DMI_PRODUCT_NAME, "1000 Series"), + }, + }, + { + .callback = init_old_suspend_ordering, + .ident = "Asus A8N-SLI DELUXE", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI DELUXE"), + }, + }, + { + .callback = init_old_suspend_ordering, + .ident = "Asus A8N-SLI Premium", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), + DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI Premium"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VGN-SR26GN_P", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR26GN_P"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCEB1S1E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1S1E"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Sony Vaio VGN-FW520F", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW520F"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Asus K54C", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "K54C"), + }, + }, + { + .callback = init_nvs_nosave, + .ident = "Asus K54HR", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"), + }, + }, + {}, +}; + +static void acpi_sleep_dmi_check(void) +{ + dmi_check_system(acpisleep_dmi_table); +} + /** * acpi_pm_freeze - Disable the GPEs and suspend EC transactions. */ @@ -224,6 +398,7 @@ static void acpi_pm_end(void) } #else /* !CONFIG_ACPI_SLEEP */ #define acpi_target_sleep_state ACPI_STATE_S0 +static inline void acpi_sleep_dmi_check(void) {} #endif /* CONFIG_ACPI_SLEEP */ #ifdef CONFIG_SUSPEND @@ -382,175 +557,6 @@ static const struct platform_suspend_ops acpi_suspend_ops_old = { .end = acpi_pm_end, .recover = acpi_pm_finish, }; - -static int __init init_old_suspend_ordering(const struct dmi_system_id *d) -{ - old_suspend_ordering = true; - return 0; -} - -static int __init init_nvs_nosave(const struct dmi_system_id *d) -{ - acpi_nvs_nosave(); - return 0; -} - -static struct dmi_system_id __initdata acpisleep_dmi_table[] = { - { - .callback = init_old_suspend_ordering, - .ident = "Abit KN9 (nForce4 variant)", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "http://www.abit.com.tw/"), - DMI_MATCH(DMI_BOARD_NAME, "KN9 Series(NF-CK804)"), - }, - }, - { - .callback = init_old_suspend_ordering, - .ident = "HP xw4600 Workstation", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP xw4600 Workstation"), - }, - }, - { - .callback = init_old_suspend_ordering, - .ident = "Asus Pundit P1-AH2 (M2N8L motherboard)", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."), - DMI_MATCH(DMI_BOARD_NAME, "M2N8L"), - }, - }, - { - .callback = init_old_suspend_ordering, - .ident = "Panasonic CF51-2L", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, - "Matsushita Electric Industrial Co.,Ltd."), - DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VGN-FW21E", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW21E"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VPCEB17FX", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB17FX"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VGN-SR11M", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Everex StepNote Series", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VPCEB1Z1E", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VGN-NW130D", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NW130D"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VPCCW29FX", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VPCCW29FX"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Averatec AV1020-ED2", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"), - DMI_MATCH(DMI_PRODUCT_NAME, "1000 Series"), - }, - }, - { - .callback = init_old_suspend_ordering, - .ident = "Asus A8N-SLI DELUXE", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), - DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI DELUXE"), - }, - }, - { - .callback = init_old_suspend_ordering, - .ident = "Asus A8N-SLI Premium", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), - DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI Premium"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VGN-SR26GN_P", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR26GN_P"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VPCEB1S1E", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1S1E"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Sony Vaio VGN-FW520F", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW520F"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Asus K54C", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "K54C"), - }, - }, - { - .callback = init_nvs_nosave, - .ident = "Asus K54HR", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"), - }, - }, - {}, -}; #endif /* CONFIG_SUSPEND */ #ifdef CONFIG_HIBERNATION @@ -881,13 +887,13 @@ int __init acpi_sleep_init(void) u8 type_a, type_b; #ifdef CONFIG_SUSPEND int i = 0; - - dmi_check_system(acpisleep_dmi_table); #endif if (acpi_disabled) return 0; + acpi_sleep_dmi_check(); + sleep_states[ACPI_STATE_S0] = 1; printk(KERN_INFO PREFIX "(supports S0"); diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 5b0ba3f..ef01ac0 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -76,6 +76,9 @@ acpi_handle ata_dev_acpi_handle(struct ata_device *dev) acpi_integer adr; struct ata_port *ap = dev->link->ap; + if (dev->flags & ATA_DFLAG_ACPI_DISABLED) + return NULL; + if (ap->flags & ATA_FLAG_ACPI_SATA) { if (!sata_pmp_attached(ap)) adr = SATA_ADR(ap->port_no, NO_PORT_MULT); @@ -945,6 +948,7 @@ int ata_acpi_on_devcfg(struct ata_device *dev) return rc; } + dev->flags |= ATA_DFLAG_ACPI_DISABLED; ata_dev_warn(dev, "ACPI: failed the second time, disabled\n"); /* We can safely continue if no _GTF command has been executed diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index 9851093..1853a45 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -967,10 +967,11 @@ static uint32_t fpga_tx(struct solos_card *card) for (port = 0; tx_pending; tx_pending >>= 1, port++) { if (tx_pending & 1) { struct sk_buff *oldskb = card->tx_skb[port]; - if (oldskb) + if (oldskb) { pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr, oldskb->len, PCI_DMA_TODEVICE); - + card->tx_skb[port] = NULL; + } spin_lock(&card->tx_queue_lock); skb = skb_dequeue(&card->tx_queue[port]); if (!skb) diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 8945f4e..be5f7aa 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -143,7 +143,7 @@ struct fw_cache_entry { }; struct firmware_priv { - struct timer_list timeout; + struct delayed_work timeout_work; bool nowait; struct device dev; struct firmware_buf *buf; @@ -246,7 +246,6 @@ static void __fw_free_buf(struct kref *ref) __func__, buf->fw_id, buf, buf->data, (unsigned int)buf->size); - spin_lock(&fwc->lock); list_del(&buf->list); spin_unlock(&fwc->lock); @@ -263,7 +262,10 @@ static void __fw_free_buf(struct kref *ref) static void fw_free_buf(struct firmware_buf *buf) { - kref_put(&buf->ref, __fw_free_buf); + struct firmware_cache *fwc = buf->fwc; + spin_lock(&fwc->lock); + if (!kref_put(&buf->ref, __fw_free_buf)) + spin_unlock(&fwc->lock); } /* direct firmware loading support */ @@ -667,11 +669,18 @@ static struct bin_attribute firmware_attr_data = { .write = firmware_data_write, }; -static void firmware_class_timeout(u_long data) +static void firmware_class_timeout_work(struct work_struct *work) { - struct firmware_priv *fw_priv = (struct firmware_priv *) data; + struct firmware_priv *fw_priv = container_of(work, + struct firmware_priv, timeout_work.work); + mutex_lock(&fw_lock); + if (test_bit(FW_STATUS_DONE, &(fw_priv->buf->status))) { + mutex_unlock(&fw_lock); + return; + } fw_load_abort(fw_priv); + mutex_unlock(&fw_lock); } static struct firmware_priv * @@ -690,8 +699,8 @@ fw_create_instance(struct firmware *firmware, const char *fw_name, fw_priv->nowait = nowait; fw_priv->fw = firmware; - setup_timer(&fw_priv->timeout, - firmware_class_timeout, (u_long) fw_priv); + INIT_DELAYED_WORK(&fw_priv->timeout_work, + firmware_class_timeout_work); f_dev = &fw_priv->dev; @@ -858,7 +867,9 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent, dev_dbg(f_dev->parent, "firmware: direct-loading" " firmware %s\n", buf->fw_id); + mutex_lock(&fw_lock); set_bit(FW_STATUS_DONE, &buf->status); + mutex_unlock(&fw_lock); complete_all(&buf->completion); direct_load = 1; goto handle_fw; @@ -894,15 +905,14 @@ static int _request_firmware_load(struct firmware_priv *fw_priv, bool uevent, dev_set_uevent_suppress(f_dev, false); dev_dbg(f_dev, "firmware: requesting %s\n", buf->fw_id); if (timeout != MAX_SCHEDULE_TIMEOUT) - mod_timer(&fw_priv->timeout, - round_jiffies_up(jiffies + timeout)); + schedule_delayed_work(&fw_priv->timeout_work, timeout); kobject_uevent(&fw_priv->dev.kobj, KOBJ_ADD); } wait_for_completion(&buf->completion); - del_timer_sync(&fw_priv->timeout); + cancel_delayed_work_sync(&fw_priv->timeout_work); handle_fw: mutex_lock(&fw_lock); diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index ee82f2f..a1d4ede 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -96,6 +96,7 @@ static struct usb_device_id btusb_table[] = { { USB_DEVICE(0x0c10, 0x0000) }, /* Broadcom BCM20702A0 */ + { USB_DEVICE(0x0b05, 0x17b5) }, { USB_DEVICE(0x04ca, 0x2003) }, { USB_DEVICE(0x0489, 0xe042) }, { USB_DEVICE(0x413c, 0x8197) }, diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index f4109fd..52146db 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1538,6 +1538,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c index 4dfa1ee..f8f892b 100644 --- a/drivers/input/joystick/walkera0701.c +++ b/drivers/input/joystick/walkera0701.c @@ -196,6 +196,7 @@ static void walkera0701_close(struct input_dev *dev) struct walkera_dev *w = input_get_drvdata(dev); parport_disable_irq(w->parport); + hrtimer_cancel(&w->timer); } static int walkera0701_connect(struct walkera_dev *w, int parport) @@ -224,6 +225,9 @@ static int walkera0701_connect(struct walkera_dev *w, int parport) if (parport_claim(w->pardevice)) goto init_err1; + hrtimer_init(&w->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + w->timer.function = timer_handler; + w->input_dev = input_allocate_device(); if (!w->input_dev) goto init_err2; @@ -254,8 +258,6 @@ static int walkera0701_connect(struct walkera_dev *w, int parport) if (err) goto init_err3; - hrtimer_init(&w->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - w->timer.function = timer_handler; return 0; init_err3: @@ -271,7 +273,6 @@ static int walkera0701_connect(struct walkera_dev *w, int parport) static void walkera0701_disconnect(struct walkera_dev *w) { - hrtimer_cancel(&w->timer); input_unregister_device(w->input_dev); parport_release(w->pardevice); parport_unregister_device(w->pardevice); diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 6a68041..59347d0 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -587,6 +587,7 @@ gpio_keys_get_devtree_pdata(struct device *dev) i = 0; for_each_child_of_node(node, pp) { + int gpio; enum of_gpio_flags flags; if (!of_find_property(pp, "gpios", NULL)) { @@ -595,9 +596,19 @@ gpio_keys_get_devtree_pdata(struct device *dev) continue; } + gpio = of_get_gpio_flags(pp, 0, &flags); + if (gpio < 0) { + error = gpio; + if (error != -EPROBE_DEFER) + dev_err(dev, + "Failed to get gpio flags, error: %d\n", + error); + goto err_free_pdata; + } + button = &pdata->buttons[i++]; - button->gpio = of_get_gpio_flags(pp, 0, &flags); + button->gpio = gpio; button->active_low = flags & OF_GPIO_ACTIVE_LOW; if (of_property_read_u32(pp, "linux,code", &button->code)) { diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index f2142de..8490930 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -136,6 +136,7 @@ gpio_keys_polled_get_devtree_pdata(struct device *dev) i = 0; for_each_child_of_node(node, pp) { + int gpio; enum of_gpio_flags flags; if (!of_find_property(pp, "gpios", NULL)) { @@ -144,9 +145,19 @@ gpio_keys_polled_get_devtree_pdata(struct device *dev) continue; } + gpio = of_get_gpio_flags(pp, 0, &flags); + if (gpio < 0) { + error = gpio; + if (error != -EPROBE_DEFER) + dev_err(dev, + "Failed to get gpio flags, error: %d\n", + error); + goto err_free_pdata; + } + button = &pdata->buttons[i++]; - button->gpio = of_get_gpio_flags(pp, 0, &flags); + button->gpio = gpio; button->active_low = flags & OF_GPIO_ACTIVE_LOW; if (of_property_read_u32(pp, "linux,code", &button->code)) { diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index e582922..cc7e0d4 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -791,7 +791,7 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse) fsp_set_slot(dev, 0, fgrs > 0, abs_x, abs_y); fsp_set_slot(dev, 1, false, 0, 0); } - if (fgrs > 0) { + if (fgrs == 1 || (fgrs == 2 && !(packet[0] & FSP_PB0_MFMC_FGR2))) { input_report_abs(dev, ABS_X, abs_x); input_report_abs(dev, ABS_Y, abs_y); } diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index d6cc77a..5f306f7 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -921,6 +921,7 @@ static int __init i8042_platform_init(void) int retval; #ifdef CONFIG_X86 + u8 a20_on = 0xdf; /* Just return if pre-detection shows no i8042 controller exist */ if (!x86_platform.i8042_detect()) return -ENODEV; @@ -960,6 +961,14 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_dritek_table)) i8042_dritek = true; + + /* + * A20 was already enabled during early kernel init. But some buggy + * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to + * resume from S3. So we do it here and hope that nothing breaks. + */ + i8042_command(&a20_on, 0x10d1); + i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */ #endif /* CONFIG_X86 */ return retval; diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 0a67031..c2bfe92 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -2034,7 +2034,8 @@ static const struct wacom_features wacom_features_0xD1 = .touch_max = 2 }; static const struct wacom_features wacom_features_0xD2 = { "Wacom Bamboo Craft", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, - 31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; + 31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, + .touch_max = 2 }; static const struct wacom_features wacom_features_0xD3 = { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13700, 1023, 31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index 8d082b4..d971817 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -53,6 +53,10 @@ #include #include "xpc.h" +#ifdef CONFIG_X86_64 +#include +#endif + /* define two XPC debug device structures to be used with dev_dbg() et al */ struct device_driver xpc_dbg_name = { @@ -1079,6 +1083,9 @@ xpc_system_reboot(struct notifier_block *nb, unsigned long event, void *unused) return NOTIFY_DONE; } +/* Used to only allow one cpu to complete disconnect */ +static unsigned int xpc_die_disconnecting; + /* * Notify other partitions to deactivate from us by first disengaging from all * references to our memory. @@ -1092,6 +1099,9 @@ xpc_die_deactivate(void) long keep_waiting; long wait_to_print; + if (cmpxchg(&xpc_die_disconnecting, 0, 1)) + return; + /* keep xpc_hb_checker thread from doing anything (just in case) */ xpc_exiting = 1; @@ -1159,7 +1169,7 @@ xpc_die_deactivate(void) * about the lack of a heartbeat. */ static int -xpc_system_die(struct notifier_block *nb, unsigned long event, void *unused) +xpc_system_die(struct notifier_block *nb, unsigned long event, void *_die_args) { #ifdef CONFIG_IA64 /* !!! temporary kludge */ switch (event) { @@ -1191,7 +1201,27 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *unused) break; } #else - xpc_die_deactivate(); + struct die_args *die_args = _die_args; + + switch (event) { + case DIE_TRAP: + if (die_args->trapnr == X86_TRAP_DF) + xpc_die_deactivate(); + + if (((die_args->trapnr == X86_TRAP_MF) || + (die_args->trapnr == X86_TRAP_XF)) && + !user_mode_vm(die_args->regs)) + xpc_die_deactivate(); + + break; + case DIE_INT3: + case DIE_DEBUG: + break; + case DIE_OOPS: + case DIE_GPF: + default: + xpc_die_deactivate(); + } #endif return NOTIFY_DONE; diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 963e2cc..8233e5e 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -609,8 +609,7 @@ void close_candev(struct net_device *dev) { struct can_priv *priv = netdev_priv(dev); - if (del_timer_sync(&priv->restart_timer)) - dev_put(dev); + del_timer_sync(&priv->restart_timer); can_flush_echo_skb(dev); } EXPORT_SYMBOL_GPL(close_candev); diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index d012982..c4c593d 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -487,6 +487,7 @@ static const struct driver_info wwan_info = { #define HUAWEI_VENDOR_ID 0x12D1 #define NOVATEL_VENDOR_ID 0x1410 #define ZTE_VENDOR_ID 0x19D2 +#define DELL_VENDOR_ID 0x413C static const struct usb_device_id products [] = { /* @@ -618,6 +619,20 @@ static const struct usb_device_id products [] = { .driver_info = 0, }, +/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ +{ + USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + +/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ +{ + USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* * WHITELIST!!! * diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 1ea91f4..9b950f5 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -383,6 +383,20 @@ static const struct usb_device_id products[] = { USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* Dell Wireless 5800 (Novatel E362) */ + USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&qmi_wwan_info, + }, + { /* Dell Wireless 5800 V2 (Novatel E362) */ + USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&qmi_wwan_info, + }, /* 3. Combined interface devices matching on interface number */ {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 777cd74..38bc5a7 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -409,7 +409,10 @@ static inline struct b43_dmadesc_meta *meta) { if (meta->skb) { - dev_kfree_skb_any(meta->skb); + if (ring->tx) + ieee80211_free_txskb(ring->dev->wl->hw, meta->skb); + else + dev_kfree_skb_any(meta->skb); meta->skb = NULL; } } @@ -1454,7 +1457,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb) if (unlikely(err == -ENOKEY)) { /* Drop this packet, as we don't have the encryption key * anymore and must not transmit it unencrypted. */ - dev_kfree_skb_any(skb); + ieee80211_free_txskb(dev->wl->hw, skb); err = 0; goto out; } diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index c5a99c8..2911e20 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -3397,7 +3397,7 @@ static void b43_tx_work(struct work_struct *work) break; } if (unlikely(err)) - dev_kfree_skb(skb); /* Drop it */ + ieee80211_free_txskb(wl->hw, skb); err = 0; } @@ -3419,7 +3419,7 @@ static void b43_op_tx(struct ieee80211_hw *hw, if (unlikely(skb->len < 2 + 2 + 6)) { /* Too short, this can't be a valid frame. */ - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); return; } B43_WARN_ON(skb_shinfo(skb)->nr_frags); @@ -4229,8 +4229,12 @@ redo: /* Drain all TX queues. */ for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) { - while (skb_queue_len(&wl->tx_queue[queue_num])) - dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num])); + while (skb_queue_len(&wl->tx_queue[queue_num])) { + struct sk_buff *skb; + + skb = skb_dequeue(&wl->tx_queue[queue_num]); + ieee80211_free_txskb(wl->hw, skb); + } } b43_mac_suspend(dev); diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c index 3533ab8..a73ff8c 100644 --- a/drivers/net/wireless/b43/pio.c +++ b/drivers/net/wireless/b43/pio.c @@ -196,7 +196,7 @@ static void b43_pio_cancel_tx_packets(struct b43_pio_txqueue *q) for (i = 0; i < ARRAY_SIZE(q->packets); i++) { pack = &(q->packets[i]); if (pack->skb) { - dev_kfree_skb_any(pack->skb); + ieee80211_free_txskb(q->dev->wl->hw, pack->skb); pack->skb = NULL; } } @@ -552,7 +552,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb) if (unlikely(err == -ENOKEY)) { /* Drop this packet, as we don't have the encryption key * anymore and must not transmit it unencrypted. */ - dev_kfree_skb_any(skb); + ieee80211_free_txskb(dev->wl->hw, skb); err = 0; goto out; } diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h index a29da67..482476f 100644 --- a/drivers/net/wireless/b43legacy/b43legacy.h +++ b/drivers/net/wireless/b43legacy/b43legacy.h @@ -13,6 +13,7 @@ #include #include +#include #include @@ -733,6 +734,10 @@ struct b43legacy_wldev { /* Firmware data */ struct b43legacy_firmware fw; + const struct firmware *fwp; /* needed to pass fw pointer */ + + /* completion struct for firmware loading */ + struct completion fw_load_complete; /* Devicelist in struct b43legacy_wl (all 802.11 cores) */ struct list_head list; diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 18e208e..8c3f70e 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1513,9 +1513,17 @@ static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl) "and download the correct firmware (version 3).\n"); } +static void b43legacy_fw_cb(const struct firmware *firmware, void *context) +{ + struct b43legacy_wldev *dev = context; + + dev->fwp = firmware; + complete(&dev->fw_load_complete); +} + static int do_request_fw(struct b43legacy_wldev *dev, const char *name, - const struct firmware **fw) + const struct firmware **fw, bool async) { char path[sizeof(modparam_fwpostfix) + 32]; struct b43legacy_fw_header *hdr; @@ -1528,7 +1536,24 @@ static int do_request_fw(struct b43legacy_wldev *dev, snprintf(path, ARRAY_SIZE(path), "b43legacy%s/%s.fw", modparam_fwpostfix, name); - err = request_firmware(fw, path, dev->dev->dev); + b43legacyinfo(dev->wl, "Loading firmware %s\n", path); + if (async) { + init_completion(&dev->fw_load_complete); + err = request_firmware_nowait(THIS_MODULE, 1, path, + dev->dev->dev, GFP_KERNEL, + dev, b43legacy_fw_cb); + if (err) { + b43legacyerr(dev->wl, "Unable to load firmware\n"); + return err; + } + /* stall here until fw ready */ + wait_for_completion(&dev->fw_load_complete); + if (!dev->fwp) + err = -EINVAL; + *fw = dev->fwp; + } else { + err = request_firmware(fw, path, dev->dev->dev); + } if (err) { b43legacyerr(dev->wl, "Firmware file \"%s\" not found " "or load failed.\n", path); @@ -1580,7 +1605,7 @@ static void b43legacy_request_firmware(struct work_struct *work) filename = "ucode4"; else filename = "ucode5"; - err = do_request_fw(dev, filename, &fw->ucode); + err = do_request_fw(dev, filename, &fw->ucode, true); if (err) goto err_load; } @@ -1589,7 +1614,7 @@ static void b43legacy_request_firmware(struct work_struct *work) filename = "pcm4"; else filename = "pcm5"; - err = do_request_fw(dev, filename, &fw->pcm); + err = do_request_fw(dev, filename, &fw->pcm, false); if (err) goto err_load; } @@ -1607,7 +1632,7 @@ static void b43legacy_request_firmware(struct work_struct *work) default: goto err_no_initvals; } - err = do_request_fw(dev, filename, &fw->initvals); + err = do_request_fw(dev, filename, &fw->initvals, false); if (err) goto err_load; } @@ -1627,7 +1652,7 @@ static void b43legacy_request_firmware(struct work_struct *work) default: goto err_no_initvals; } - err = do_request_fw(dev, filename, &fw->initvals_band); + err = do_request_fw(dev, filename, &fw->initvals_band, false); if (err) goto err_load; } diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index effb044..4191294 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -47,6 +47,7 @@ static struct usb_device_id p54u_table[] = { {USB_DEVICE(0x0411, 0x0050)}, /* Buffalo WLI2-USB2-G54 */ {USB_DEVICE(0x045e, 0x00c2)}, /* Microsoft MN-710 */ {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */ + {USB_DEVICE(0x0675, 0x0530)}, /* DrayTek Vigor 530 */ {USB_DEVICE(0x06b9, 0x0120)}, /* Thomson SpeedTouch 120g */ {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */ {USB_DEVICE(0x07aa, 0x001c)}, /* Corega CG-WLUSB2GT */ @@ -82,6 +83,8 @@ static struct usb_device_id p54u_table[] = { {USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */ {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ + {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */ + {USB_DEVICE(0x083a, 0x4503)}, /* T-Com Sinus 154 data II */ {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ {USB_DEVICE(0x083a, 0xc501)}, /* Zoom Wireless-G 4410 */ {USB_DEVICE(0x083a, 0xf503)}, /* Accton FD7050E ver 1010ec */ @@ -101,6 +104,7 @@ static struct usb_device_id p54u_table[] = { {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ + /* {USB_DEVICE(0x15a9, 0x0002)}, * Also SparkLAN WL-682 with 3887 */ {USB_DEVICE(0x1668, 0x1050)}, /* Actiontec 802UIG-1 */ {USB_DEVICE(0x1740, 0x1000)}, /* Senao NUB-350 */ {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index e3ea4b3..46ccbf7 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -210,17 +210,16 @@ static void _usb_writeN_sync(struct rtl_priv *rtlpriv, u32 addr, void *data, u16 index = REALTEK_USB_VENQT_CMD_IDX; int pipe = usb_sndctrlpipe(udev, 0); /* write_out */ u8 *buffer; - dma_addr_t dma_addr; - wvalue = (u16)(addr&0x0000ffff); - buffer = usb_alloc_coherent(udev, (size_t)len, GFP_ATOMIC, &dma_addr); + wvalue = (u16)(addr & 0x0000ffff); + buffer = kmalloc(len, GFP_ATOMIC); if (!buffer) return; memcpy(buffer, data, len); usb_control_msg(udev, pipe, request, reqtype, wvalue, index, buffer, len, 50); - usb_free_coherent(udev, (size_t)len, buffer, dma_addr); + kfree(buffer); } static void _rtl_usb_io_handler_init(struct device *dev, diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 6c94fc9..6c66c5b 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -256,31 +256,26 @@ struct drv_dev_and_id { static long local_pci_probe(void *_ddi) { struct drv_dev_and_id *ddi = _ddi; - struct device *dev = &ddi->dev->dev; - struct device *parent = dev->parent; + struct pci_dev *pci_dev = ddi->dev; + struct pci_driver *pci_drv = ddi->drv; + struct device *dev = &pci_dev->dev; int rc; - /* The parent bridge must be in active state when probing */ - if (parent) - pm_runtime_get_sync(parent); - /* Unbound PCI devices are always set to disabled and suspended. - * During probe, the device is set to enabled and active and the - * usage count is incremented. If the driver supports runtime PM, - * it should call pm_runtime_put_noidle() in its probe routine and - * pm_runtime_get_noresume() in its remove routine. + /* + * Unbound PCI devices are always put in D0, regardless of + * runtime PM status. During probe, the device is set to + * active and the usage count is incremented. If the driver + * supports runtime PM, it should call pm_runtime_put_noidle() + * in its probe routine and pm_runtime_get_noresume() in its + * remove routine. */ - pm_runtime_get_noresume(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - - rc = ddi->drv->probe(ddi->dev, ddi->id); + pm_runtime_get_sync(dev); + pci_dev->driver = pci_drv; + rc = pci_drv->probe(pci_dev, ddi->id); if (rc) { - pm_runtime_disable(dev); - pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev); + pci_dev->driver = NULL; + pm_runtime_put_sync(dev); } - if (parent) - pm_runtime_put(parent); return rc; } @@ -330,10 +325,8 @@ __pci_device_probe(struct pci_driver *drv, struct pci_dev *pci_dev) id = pci_match_device(drv, pci_dev); if (id) error = pci_call_probe(drv, pci_dev, id); - if (error >= 0) { - pci_dev->driver = drv; + if (error >= 0) error = 0; - } } return error; } @@ -369,9 +362,7 @@ static int pci_device_remove(struct device * dev) } /* Undo the runtime PM settings in local_pci_probe() */ - pm_runtime_disable(dev); - pm_runtime_set_suspended(dev); - pm_runtime_put_noidle(dev); + pm_runtime_put_sync(dev); /* * If the device is still on, set the power state as "unknown", @@ -994,6 +985,13 @@ static int pci_pm_runtime_suspend(struct device *dev) pci_power_t prev = pci_dev->current_state; int error; + /* + * If pci_dev->driver is not set (unbound), the device should + * always remain in D0 regardless of the runtime PM status + */ + if (!pci_dev->driver) + return 0; + if (!pm || !pm->runtime_suspend) return -ENOSYS; @@ -1029,6 +1027,13 @@ static int pci_pm_runtime_resume(struct device *dev) struct pci_dev *pci_dev = to_pci_dev(dev); const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + /* + * If pci_dev->driver is not set (unbound), the device should + * always remain in D0 regardless of the runtime PM status + */ + if (!pci_dev->driver) + return 0; + if (!pm || !pm->runtime_resume) return -ENOSYS; @@ -1046,8 +1051,16 @@ static int pci_pm_runtime_resume(struct device *dev) static int pci_pm_runtime_idle(struct device *dev) { + struct pci_dev *pci_dev = to_pci_dev(dev); const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + /* + * If pci_dev->driver is not set (unbound), the device should + * always remain in D0 regardless of the runtime PM status + */ + if (!pci_dev->driver) + goto out; + if (!pm) return -ENOSYS; @@ -1057,8 +1070,8 @@ static int pci_pm_runtime_idle(struct device *dev) return ret; } +out: pm_runtime_suspend(dev); - return 0; } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index aabf647..8e06adb 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1900,6 +1900,8 @@ void pci_pm_init(struct pci_dev *dev) u16 pmc; pm_runtime_forbid(&dev->dev); + pm_runtime_set_active(&dev->dev); + pm_runtime_enable(&dev->dev); device_enable_async_suspend(&dev->dev); dev->wakeup_prepared = false; diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 0761d90..ebb3e5f 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -134,10 +134,28 @@ static int pcie_port_runtime_resume(struct device *dev) return 0; } +static int pci_dev_pme_poll(struct pci_dev *pdev, void *data) +{ + bool *pme_poll = data; + + if (pdev->pme_poll) + *pme_poll = true; + return 0; +} + static int pcie_port_runtime_idle(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); + bool pme_poll = false; + + /* + * If any subordinate device needs pme poll, we should keep + * the port in D0, because we need port in D0 to poll it. + */ + pci_walk_bus(pdev->subordinate, pci_dev_pme_poll, &pme_poll); /* Delay for a short while to prevent too frequent suspend/resume */ - pm_schedule_suspend(dev, 10); + if (!pme_poll) + pm_schedule_suspend(dev, 10); return -EBUSY; } #else diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 7a451ff..7eb4d16 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2686,7 +2686,7 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) if (PCI_FUNC(dev->devfn)) return; /* - * RICOH 0xe823 SD/MMC card reader fails to recognize + * RICOH 0xe822 and 0xe823 SD/MMC card readers fail to recognize * certain types of SD/MMC cards. Lowering the SD base * clock frequency from 200Mhz to 50Mhz fixes this issue. * @@ -2697,7 +2697,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) * 0xf9 - Key register for 0x150 * 0xfc - key register for 0xe1 */ - if (dev->device == PCI_DEVICE_ID_RICOH_R5CE823) { + if (dev->device == PCI_DEVICE_ID_RICOH_R5CE822 || + dev->device == PCI_DEVICE_ID_RICOH_R5CE823) { pci_write_config_byte(dev, 0xf9, 0xfc); pci_write_config_byte(dev, 0x150, 0x10); pci_write_config_byte(dev, 0xf9, 0x00); @@ -2724,6 +2725,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev) } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832); +DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832); #endif /*CONFIG_MMC_RICOH_MMC*/ diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index ec8e914..767f526 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -58,7 +58,7 @@ static inline int __init is_exclusive_device(struct acpi_device *dev) if (!(('0' <= (c) && (c) <= '9') || ('A' <= (c) && (c) <= 'F'))) \ return 0 #define TEST_ALPHA(c) \ - if (!('@' <= (c) || (c) <= 'Z')) \ + if (!('A' <= (c) && (c) <= 'Z')) \ return 0 static int __init ispnpidacpi(const char *id) { diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index f8a0aab..5143629 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -244,7 +244,6 @@ void rtc_device_unregister(struct rtc_device *rtc) rtc_proc_del_device(rtc); device_unregister(&rtc->dev); rtc->ops = NULL; - ida_simple_remove(&rtc_ida, rtc->id); mutex_unlock(&rtc->ops_lock); put_device(&rtc->dev); } diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index 07bf193..75485c4 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -70,7 +70,7 @@ | ALARM_SEC_BIT) #define VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */ -#define VT8500_RTC_CR_24H (1 << 1) /* 24h time format */ +#define VT8500_RTC_CR_12H (1 << 1) /* 12h time format */ #define VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */ #define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */ #define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */ @@ -119,7 +119,7 @@ static int vt8500_rtc_read_time(struct device *dev, struct rtc_time *tm) tm->tm_min = bcd2bin((time & TIME_MIN_MASK) >> TIME_MIN_S); tm->tm_hour = bcd2bin((time & TIME_HOUR_MASK) >> TIME_HOUR_S); tm->tm_mday = bcd2bin(date & DATE_DAY_MASK); - tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S); + tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S) - 1; tm->tm_year = bcd2bin((date & DATE_YEAR_MASK) >> DATE_YEAR_S) + ((date >> DATE_CENTURY_S) & 1 ? 200 : 100); tm->tm_wday = (time & TIME_DOW_MASK) >> TIME_DOW_S; @@ -138,8 +138,9 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm) } writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S) - | (bin2bcd(tm->tm_mon) << DATE_MONTH_S) - | (bin2bcd(tm->tm_mday)), + | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S) + | (bin2bcd(tm->tm_mday)) + | ((tm->tm_year >= 200) << DATE_CENTURY_S), vt8500_rtc->regbase + VT8500_RTC_DS); writel((bin2bcd(tm->tm_wday) << TIME_DOW_S) | (bin2bcd(tm->tm_hour) << TIME_HOUR_S) @@ -249,7 +250,7 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev) } /* Enable RTC and set it to 24-hour mode */ - writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H, + writel(VT8500_RTC_CR_ENABLE, vt8500_rtc->regbase + VT8500_RTC_CR); vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev, diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c index 732f2ad..5249223 100644 --- a/drivers/staging/omapdrm/omap_crtc.c +++ b/drivers/staging/omapdrm/omap_crtc.c @@ -19,7 +19,7 @@ #include "omap_drv.h" -#include "drm_mode.h" +#include #include "drm_crtc.h" #include "drm_crtc_helper.h" diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index f69d029..b726c49 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -385,8 +385,9 @@ EXPORT_SYMBOL_GPL(ci13xxx_add_device); void ci13xxx_remove_device(struct platform_device *pdev) { + int id = pdev->id; platform_device_unregister(pdev); - ida_simple_remove(&ci_ida, pdev->id); + ida_simple_remove(&ci_ida, id); } EXPORT_SYMBOL_GPL(ci13xxx_remove_device); diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 1ed5afd..a557658 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1806,29 +1806,8 @@ free_interfaces: goto free_interfaces; } - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - USB_REQ_SET_CONFIGURATION, 0, configuration, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT); - if (ret < 0) { - /* All the old state is gone, so what else can we do? - * The device is probably useless now anyway. - */ - cp = NULL; - } - - dev->actconfig = cp; - if (!cp) { - usb_set_device_state(dev, USB_STATE_ADDRESS); - usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); - /* Leave LPM disabled while the device is unconfigured. */ - mutex_unlock(hcd->bandwidth_mutex); - usb_autosuspend_device(dev); - goto free_interfaces; - } - mutex_unlock(hcd->bandwidth_mutex); - usb_set_device_state(dev, USB_STATE_CONFIGURED); - - /* Initialize the new interface structures and the + /* + * Initialize the new interface structures and the * hc/hcd/usbcore interface/endpoint state. */ for (i = 0; i < nintf; ++i) { @@ -1872,6 +1851,35 @@ free_interfaces: } kfree(new_interfaces); + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + USB_REQ_SET_CONFIGURATION, 0, configuration, 0, + NULL, 0, USB_CTRL_SET_TIMEOUT); + if (ret < 0 && cp) { + /* + * All the old state is gone, so what else can we do? + * The device is probably useless now anyway. + */ + usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); + for (i = 0; i < nintf; ++i) { + usb_disable_interface(dev, cp->interface[i], true); + put_device(&cp->interface[i]->dev); + cp->interface[i] = NULL; + } + cp = NULL; + } + + dev->actconfig = cp; + mutex_unlock(hcd->bandwidth_mutex); + + if (!cp) { + usb_set_device_state(dev, USB_STATE_ADDRESS); + + /* Leave LPM disabled while the device is unconfigured. */ + usb_autosuspend_device(dev); + return ret; + } + usb_set_device_state(dev, USB_STATE_CONFIGURED); + if (cp->string == NULL && !(dev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS)) cp->string = usb_cache_string(dev, cp->desc.iConfiguration); diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c index 95bc94f..2dc0f07 100644 --- a/drivers/usb/gadget/f_ecm.c +++ b/drivers/usb/gadget/f_ecm.c @@ -808,9 +808,9 @@ fail: /* we might as well release our claims on endpoints */ if (ecm->notify) ecm->notify->driver_data = NULL; - if (ecm->port.out_ep->desc) + if (ecm->port.out_ep) ecm->port.out_ep->driver_data = NULL; - if (ecm->port.in_ep->desc) + if (ecm->port.in_ep) ecm->port.in_ep->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c index 1a7b2dd..a9cf2052 100644 --- a/drivers/usb/gadget/f_eem.c +++ b/drivers/usb/gadget/f_eem.c @@ -319,10 +319,9 @@ fail: if (f->hs_descriptors) usb_free_descriptors(f->hs_descriptors); - /* we might as well release our claims on endpoints */ - if (eem->port.out_ep->desc) + if (eem->port.out_ep) eem->port.out_ep->driver_data = NULL; - if (eem->port.in_ep->desc) + if (eem->port.in_ep) eem->port.in_ep->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c index 8ed1259..b2accca 100644 --- a/drivers/usb/gadget/f_midi.c +++ b/drivers/usb/gadget/f_midi.c @@ -415,6 +415,7 @@ static void f_midi_unbind(struct usb_configuration *c, struct usb_function *f) midi->id = NULL; usb_free_descriptors(f->descriptors); + usb_free_descriptors(f->hs_descriptors); kfree(midi); } diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c index b651b52..5e04e93 100644 --- a/drivers/usb/gadget/f_ncm.c +++ b/drivers/usb/gadget/f_ncm.c @@ -1259,9 +1259,9 @@ fail: /* we might as well release our claims on endpoints */ if (ncm->notify) ncm->notify->driver_data = NULL; - if (ncm->port.out_ep->desc) + if (ncm->port.out_ep) ncm->port.out_ep->driver_data = NULL; - if (ncm->port.in_ep->desc) + if (ncm->port.in_ep) ncm->port.in_ep->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 8ee9268..a6c19a4 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -531,7 +531,7 @@ int pn_bind(struct usb_configuration *c, struct usb_function *f) req = usb_ep_alloc_request(fp->out_ep, GFP_KERNEL); if (!req) - goto err; + goto err_req; req->complete = pn_rx_complete; fp->out_reqv[i] = req; @@ -540,14 +540,18 @@ int pn_bind(struct usb_configuration *c, struct usb_function *f) /* Outgoing USB requests */ fp->in_req = usb_ep_alloc_request(fp->in_ep, GFP_KERNEL); if (!fp->in_req) - goto err; + goto err_req; INFO(cdev, "USB CDC Phonet function\n"); INFO(cdev, "using %s, OUT %s, IN %s\n", cdev->gadget->name, fp->out_ep->name, fp->in_ep->name); return 0; +err_req: + for (i = 0; i < phonet_rxq_size && fp->out_reqv[i]; i++) + usb_ep_free_request(fp->out_ep, fp->out_reqv[i]); err: + if (fp->out_ep) fp->out_ep->driver_data = NULL; if (fp->in_ep) diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index b1681e4..47953fe 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -803,9 +803,9 @@ fail: /* we might as well release our claims on endpoints */ if (rndis->notify) rndis->notify->driver_data = NULL; - if (rndis->port.out_ep->desc) + if (rndis->port.out_ep) rndis->port.out_ep->driver_data = NULL; - if (rndis->port.in_ep->desc) + if (rndis->port.in_ep) rndis->port.in_ep->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c index 4060c0b..deb437c 100644 --- a/drivers/usb/gadget/f_subset.c +++ b/drivers/usb/gadget/f_subset.c @@ -370,9 +370,9 @@ fail: usb_free_descriptors(f->hs_descriptors); /* we might as well release our claims on endpoints */ - if (geth->port.out_ep->desc) + if (geth->port.out_ep) geth->port.out_ep->driver_data = NULL; - if (geth->port.in_ep->desc) + if (geth->port.in_ep) geth->port.in_ep->driver_data = NULL; ERROR(cdev, "%s: can't bind, err %d\n", f->name, status); diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c index 2a8bf06..10f13c1 100644 --- a/drivers/usb/gadget/f_uvc.c +++ b/drivers/usb/gadget/f_uvc.c @@ -417,7 +417,6 @@ uvc_register_video(struct uvc_device *uvc) return -ENOMEM; video->parent = &cdev->gadget->dev; - video->minor = -1; video->fops = &uvc_v4l2_fops; video->release = video_device_release; strncpy(video->name, cdev->gadget->name, sizeof(video->name)); @@ -577,23 +576,12 @@ uvc_function_unbind(struct usb_configuration *c, struct usb_function *f) INFO(cdev, "uvc_function_unbind\n"); - if (uvc->vdev) { - if (uvc->vdev->minor == -1) - video_device_release(uvc->vdev); - else - video_unregister_device(uvc->vdev); - uvc->vdev = NULL; - } - - if (uvc->control_ep) - uvc->control_ep->driver_data = NULL; - if (uvc->video.ep) - uvc->video.ep->driver_data = NULL; + video_unregister_device(uvc->vdev); + uvc->control_ep->driver_data = NULL; + uvc->video.ep->driver_data = NULL; - if (uvc->control_req) { - usb_ep_free_request(cdev->gadget->ep0, uvc->control_req); - kfree(uvc->control_buf); - } + usb_ep_free_request(cdev->gadget->ep0, uvc->control_req); + kfree(uvc->control_buf); kfree(f->descriptors); kfree(f->hs_descriptors); @@ -740,7 +728,22 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) return 0; error: - uvc_function_unbind(c, f); + if (uvc->vdev) + video_device_release(uvc->vdev); + + if (uvc->control_ep) + uvc->control_ep->driver_data = NULL; + if (uvc->video.ep) + uvc->video.ep->driver_data = NULL; + + if (uvc->control_req) { + usb_ep_free_request(cdev->gadget->ep0, uvc->control_req); + kfree(uvc->control_buf); + } + + kfree(f->descriptors); + kfree(f->hs_descriptors); + kfree(f->ss_descriptors); return ret; } diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c index 97e68b3..4959609 100644 --- a/drivers/usb/gadget/tcm_usb_gadget.c +++ b/drivers/usb/gadget/tcm_usb_gadget.c @@ -2139,6 +2139,7 @@ static struct usb_descriptor_header *uasp_fs_function_desc[] = { (struct usb_descriptor_header *) &uasp_status_pipe_desc, (struct usb_descriptor_header *) &uasp_fs_cmd_desc, (struct usb_descriptor_header *) &uasp_cmd_pipe_desc, + NULL, }; static struct usb_descriptor_header *uasp_hs_function_desc[] = { diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 2cb7d37..f42b68e 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -334,7 +334,8 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev) pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == 0x1E26 || pdev->device == 0x8C2D || - pdev->device == 0x8C26); + pdev->device == 0x8C26 || + pdev->device == 0x9C26); } static void ehci_enable_xhci_companion(void) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 39f9e4a..eb5563a 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -723,6 +723,7 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done, } #define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31 +#define PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI 0x9C31 bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev) { @@ -736,7 +737,8 @@ bool usb_is_intel_lpt_switchable_xhci(struct pci_dev *pdev) { return pdev->class == PCI_CLASS_SERIAL_USB_XHCI && pdev->vendor == PCI_VENDOR_ID_INTEL && - pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI; + (pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI); } bool usb_is_intel_switchable_xhci(struct pci_dev *pdev) diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 487bc08..fb51c70 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -205,7 +205,12 @@ static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci, next = xhci_segment_alloc(xhci, cycle_state, flags); if (!next) { - xhci_free_segments_for_ring(xhci, *first); + prev = *first; + while (prev) { + next = prev->next; + xhci_segment_free(xhci, prev); + prev = next; + } return -ENOMEM; } xhci_link_segments(xhci, prev, next, type); @@ -258,7 +263,7 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci, return ring; fail: - xhci_ring_free(xhci, ring); + kfree(ring); return NULL; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 4e1a894..1189cf3 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3071,11 +3071,11 @@ static u32 xhci_td_remainder(unsigned int remainder) } /* - * For xHCI 1.0 host controllers, TD size is the number of packets remaining in - * the TD (*not* including this TRB). + * For xHCI 1.0 host controllers, TD size is the number of max packet sized + * packets remaining in the TD (*not* including this TRB). * * Total TD packet count = total_packet_count = - * roundup(TD size in bytes / wMaxPacketSize) + * DIV_ROUND_UP(TD size in bytes / wMaxPacketSize) * * Packets transferred up to and including this TRB = packets_transferred = * rounddown(total bytes transferred including this TRB / wMaxPacketSize) @@ -3083,15 +3083,16 @@ static u32 xhci_td_remainder(unsigned int remainder) * TD size = total_packet_count - packets_transferred * * It must fit in bits 21:17, so it can't be bigger than 31. + * The last TRB in a TD must have the TD size set to zero. */ - static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len, - unsigned int total_packet_count, struct urb *urb) + unsigned int total_packet_count, struct urb *urb, + unsigned int num_trbs_left) { int packets_transferred; /* One TRB with a zero-length data packet. */ - if (running_total == 0 && trb_buff_len == 0) + if (num_trbs_left == 0 || (running_total == 0 && trb_buff_len == 0)) return 0; /* All the TRB queueing functions don't count the current TRB in @@ -3100,7 +3101,9 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len, packets_transferred = (running_total + trb_buff_len) / usb_endpoint_maxp(&urb->ep->desc); - return xhci_td_remainder(total_packet_count - packets_transferred); + if ((total_packet_count - packets_transferred) > 31) + return 31 << 17; + return (total_packet_count - packets_transferred) << 17; } static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, @@ -3127,7 +3130,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, num_trbs = count_sg_trbs_needed(xhci, urb); num_sgs = urb->num_mapped_sgs; - total_packet_count = roundup(urb->transfer_buffer_length, + total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length, usb_endpoint_maxp(&urb->ep->desc)); trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id], @@ -3210,7 +3213,8 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, running_total); } else { remainder = xhci_v1_0_td_remainder(running_total, - trb_buff_len, total_packet_count, urb); + trb_buff_len, total_packet_count, urb, + num_trbs - 1); } length_field = TRB_LEN(trb_buff_len) | remainder | @@ -3318,7 +3322,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, start_cycle = ep_ring->cycle_state; running_total = 0; - total_packet_count = roundup(urb->transfer_buffer_length, + total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length, usb_endpoint_maxp(&urb->ep->desc)); /* How much data is in the first TRB? */ addr = (u64) urb->transfer_dma; @@ -3364,7 +3368,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, running_total); } else { remainder = xhci_v1_0_td_remainder(running_total, - trb_buff_len, total_packet_count, urb); + trb_buff_len, total_packet_count, urb, + num_trbs - 1); } length_field = TRB_LEN(trb_buff_len) | remainder | @@ -3627,7 +3632,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, addr = start_addr + urb->iso_frame_desc[i].offset; td_len = urb->iso_frame_desc[i].length; td_remain_len = td_len; - total_packet_count = roundup(td_len, + total_packet_count = DIV_ROUND_UP(td_len, usb_endpoint_maxp(&urb->ep->desc)); /* A zero-length transfer still involves at least one packet. */ if (total_packet_count == 0) @@ -3706,7 +3711,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } else { remainder = xhci_v1_0_td_remainder( running_total, trb_buff_len, - total_packet_count, urb); + total_packet_count, urb, + (trbs_per_td - j - 1)); } length_field = TRB_LEN(trb_buff_len) | remainder | diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index c9e419f..389829e 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -480,7 +480,7 @@ static bool compliance_mode_recovery_timer_quirk_check(void) if (strstr(dmi_product_name, "Z420") || strstr(dmi_product_name, "Z620") || strstr(dmi_product_name, "Z820") || - strstr(dmi_product_name, "Z1")) + strstr(dmi_product_name, "Z1 Workstation")) return true; return false; @@ -2254,7 +2254,7 @@ static bool xhci_is_async_ep(unsigned int ep_type) static bool xhci_is_sync_in_ep(unsigned int ep_type) { - return (ep_type == ISOC_IN_EP || ep_type != INT_IN_EP); + return (ep_type == ISOC_IN_EP || ep_type == INT_IN_EP); } static unsigned int xhci_get_ss_bw_consumed(struct xhci_bw_info *ep_bw) diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index e19da82..3a6c2fd 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -1314,6 +1314,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +EXPORT_SYMBOL_GPL(cppi_interrupt); /* Instantiate a software object representing a DMA controller. */ struct dma_controller *__devinit diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index ff5f112..72b9239 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -377,7 +377,8 @@ static int dsps_musb_init(struct musb *musb) /* mentor core register starts at offset of 0x400 from musb base */ musb->mregs += wrp->musb_core_offset; - /* Get the NOP PHY */ + /* NOP driver needs change if supporting dual instance */ + usb_nop_xceiv_register(); musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); if (IS_ERR_OR_NULL(musb->xceiv)) return -ENODEV; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index e639584..286c30c 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -135,6 +135,13 @@ static int vring_add_indirect(struct vring_virtqueue *vq, unsigned head; int i; + /* + * We require lowmem mappings for the descriptors because + * otherwise virt_to_phys will give us bogus addresses in the + * virtqueue. + */ + gfp &= ~(__GFP_HIGHMEM | __GFP_HIGH); + desc = kmalloc((out + in) * sizeof(struct vring_desc), gfp); if (!desc) return -ENOMEM; diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 790b3cd..772428d 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -176,7 +176,10 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs) goto _error; bprm->argc ++; - bprm->interp = iname; /* for binfmt_script */ + /* Update interp in case binfmt_script needs it. */ + retval = bprm_change_interp(iname, bprm); + if (retval < 0) + goto _error; interp_file = open_exec (iname); retval = PTR_ERR (interp_file); diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c index d3b8c1f..df49d48 100644 --- a/fs/binfmt_script.c +++ b/fs/binfmt_script.c @@ -82,7 +82,9 @@ static int load_script(struct linux_binprm *bprm,struct pt_regs *regs) retval = copy_strings_kernel(1, &i_name, bprm); if (retval) return retval; bprm->argc++; - bprm->interp = interp; + retval = bprm_change_interp(interp, bprm); + if (retval < 0) + return retval; /* * OK, now restart the process with the interpreter's dentry. diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 1c576e8..dd538b4 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -66,18 +66,21 @@ static inline void dump_cifs_file_struct(struct file *file, char *label) #endif /* DEBUG2 */ /* + * Attempt to preload the dcache with the results from the FIND_FIRST/NEXT + * * Find the dentry that matches "name". If there isn't one, create one. If it's * a negative dentry or the uniqueid changed, then drop it and recreate it. */ -static struct dentry * -cifs_readdir_lookup(struct dentry *parent, struct qstr *name, +static void +cifs_prime_dcache(struct dentry *parent, struct qstr *name, struct cifs_fattr *fattr) { struct dentry *dentry, *alias; struct inode *inode; struct super_block *sb = parent->d_inode->i_sb; + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); - cFYI(1, "For %s", name->name); + cFYI(1, "%s: for %s", __func__, name->name); if (parent->d_op && parent->d_op->d_hash) parent->d_op->d_hash(parent, parent->d_inode, name); @@ -87,37 +90,42 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name, dentry = d_lookup(parent, name); if (dentry) { int err; + inode = dentry->d_inode; - /* update inode in place if i_ino didn't change */ - if (inode && CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) { - cifs_fattr_to_inode(inode, fattr); - return dentry; + if (inode) { + /* + * If we're generating inode numbers, then we don't + * want to clobber the existing one with the one that + * the readdir code created. + */ + if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) + fattr->cf_uniqueid = CIFS_I(inode)->uniqueid; + + /* update inode in place if i_ino didn't change */ + if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) { + cifs_fattr_to_inode(inode, fattr); + goto out; + } } err = d_invalidate(dentry); dput(dentry); if (err) - return NULL; + return; } dentry = d_alloc(parent, name); - if (dentry == NULL) - return NULL; + if (!dentry) + return; inode = cifs_iget(sb, fattr); - if (!inode) { - dput(dentry); - return NULL; - } + if (!inode) + goto out; alias = d_materialise_unique(dentry, inode); - if (alias != NULL) { - dput(dentry); - if (IS_ERR(alias)) - return NULL; - dentry = alias; - } - - return dentry; + if (alias && !IS_ERR(alias)) + dput(alias); +out: + dput(dentry); } static void @@ -652,7 +660,6 @@ static int cifs_filldir(char *find_entry, struct file *file, filldir_t filldir, struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifs_dirent de = { NULL, }; struct cifs_fattr fattr; - struct dentry *dentry; struct qstr name; int rc = 0; ino_t ino; @@ -723,13 +730,11 @@ static int cifs_filldir(char *find_entry, struct file *file, filldir_t filldir, */ fattr.cf_flags |= CIFS_FATTR_NEED_REVAL; - ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid); - dentry = cifs_readdir_lookup(file->f_dentry, &name, &fattr); + cifs_prime_dcache(file->f_dentry, &name, &fattr); + ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid); rc = filldir(dirent, name.name, name.len, file->f_pos, ino, fattr.cf_dtype); - - dput(dentry); return rc; } diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 34cea27..591bf19 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -53,6 +53,13 @@ send_nt_cancel(struct TCP_Server_Info *server, void *buf, mutex_unlock(&server->srv_mutex); return rc; } + + /* + * The response to this call was already factored into the sequence + * number when the call went out, so we must adjust it back downward + * after signing here. + */ + --server->sequence_number; rc = smb_send(server, in_buf, be32_to_cpu(in_buf->smb_buf_length)); mutex_unlock(&server->srv_mutex); diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index cf33622..e7f9dbc 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -425,7 +425,7 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) } cFYI(1, "sec_flags 0x%x", sec_flags); - if (sec_flags & CIFSSEC_MUST_SIGN) { + if ((sec_flags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) { cFYI(1, "Signing required"); if (!(server->sec_mode & (SMB2_NEGOTIATE_SIGNING_REQUIRED | SMB2_NEGOTIATE_SIGNING_ENABLED))) { diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 76d974c..1a52868 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -144,9 +144,6 @@ smb_send_kvec(struct TCP_Server_Info *server, struct kvec *iov, size_t n_vec, *sent = 0; - if (ssocket == NULL) - return -ENOTSOCK; /* BB eventually add reconnect code here */ - smb_msg.msg_name = (struct sockaddr *) &server->dstaddr; smb_msg.msg_namelen = sizeof(struct sockaddr); smb_msg.msg_control = NULL; @@ -291,6 +288,9 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst) struct socket *ssocket = server->ssocket; int val = 1; + if (ssocket == NULL) + return -ENOTSOCK; + cFYI(1, "Sending smb: smb_len=%u", smb_buf_length); dump_smb(iov[0].iov_base, iov[0].iov_len); diff --git a/fs/dcache.c b/fs/dcache.c index 3a463d0..0d0adb6 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1583,7 +1583,7 @@ EXPORT_SYMBOL(d_find_any_alias); */ struct dentry *d_obtain_alias(struct inode *inode) { - static const struct qstr anonstring = { .name = "" }; + static const struct qstr anonstring = QSTR_INIT("/", 1); struct dentry *tmp; struct dentry *res; diff --git a/fs/exec.c b/fs/exec.c index 0039055..c6e6de4 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1175,9 +1175,24 @@ void free_bprm(struct linux_binprm *bprm) mutex_unlock(¤t->signal->cred_guard_mutex); abort_creds(bprm->cred); } + /* If a binfmt changed the interp, free it. */ + if (bprm->interp != bprm->filename) + kfree(bprm->interp); kfree(bprm); } +int bprm_change_interp(char *interp, struct linux_binprm *bprm) +{ + /* If a binfmt changed the interp, free it first. */ + if (bprm->interp != bprm->filename) + kfree(bprm->interp); + bprm->interp = kstrdup(interp, GFP_KERNEL); + if (!bprm->interp) + return -ENOMEM; + return 0; +} +EXPORT_SYMBOL(bprm_change_interp); + /* * install the new credentials for this executable */ diff --git a/fs/file_table.c b/fs/file_table.c index a72bf9d..de9e965 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -458,8 +458,8 @@ void mark_files_ro(struct super_block *sb) spin_unlock(&f->f_lock); if (file_check_writeable(f) != 0) continue; + __mnt_drop_write(f->f_path.mnt); file_release_write(f); - mnt_drop_write_file(f); } while_file_list_for_each_entry; lg_global_unlock(&files_lglock); } diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index 76b4a7a..36b2e7a 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -205,7 +205,7 @@ static u32 initiate_bulk_draining(struct nfs_client *clp, list_for_each_entry(lo, &server->layouts, plh_layouts) { ino = igrab(lo->plh_inode); - if (ino) + if (!ino) continue; spin_lock(&ino->i_lock); /* Is this layout in the process of being freed? */ diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 8b39a42..5e8d24d 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -615,8 +615,7 @@ EXPORT_SYMBOL_GPL(nfs_create_rpc_client); */ static void nfs_destroy_server(struct nfs_server *server) { - if (!(server->flags & NFS_MOUNT_LOCAL_FLOCK) || - !(server->flags & NFS_MOUNT_LOCAL_FCNTL)) + if (server->nlm_host) nlmclnt_done(server->nlm_host); } diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index b9e66b7..c99f07e 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1156,11 +1156,14 @@ static int nfs_dentry_delete(const struct dentry *dentry) } +/* Ensure that we revalidate inode->i_nlink */ static void nfs_drop_nlink(struct inode *inode) { spin_lock(&inode->i_lock); - if (inode->i_nlink > 0) - drop_nlink(inode); + /* drop the inode if we're reasonably sure this is the last link */ + if (inode->i_nlink == 1) + clear_nlink(inode); + NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR; spin_unlock(&inode->i_lock); } @@ -1175,8 +1178,8 @@ static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode) NFS_I(inode)->cache_validity |= NFS_INO_INVALID_DATA; if (dentry->d_flags & DCACHE_NFSFS_RENAMED) { - drop_nlink(inode); nfs_complete_unlink(dentry, inode); + nfs_drop_nlink(inode); } iput(inode); } @@ -1647,10 +1650,8 @@ static int nfs_safe_remove(struct dentry *dentry) if (inode != NULL) { NFS_PROTO(inode)->return_delegation(inode); error = NFS_PROTO(dir)->remove(dir, &dentry->d_name); - /* The VFS may want to delete this inode */ if (error == 0) nfs_drop_nlink(inode); - nfs_mark_for_revalidate(inode); } else error = NFS_PROTO(dir)->remove(dir, &dentry->d_name); if (error == -ENOENT) @@ -2147,12 +2148,16 @@ static int nfs_open_permission_mask(int openflags) { int mask = 0; - if ((openflags & O_ACCMODE) != O_WRONLY) - mask |= MAY_READ; - if ((openflags & O_ACCMODE) != O_RDONLY) - mask |= MAY_WRITE; - if (openflags & __FMODE_EXEC) - mask |= MAY_EXEC; + if (openflags & __FMODE_EXEC) { + /* ONLY check exec rights */ + mask = MAY_EXEC; + } else { + if ((openflags & O_ACCMODE) != O_WRONLY) + mask |= MAY_READ; + if ((openflags & O_ACCMODE) != O_RDONLY) + mask |= MAY_WRITE; + } + return mask; } diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index cae26cb..594f4e7 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -266,14 +266,6 @@ static void nfs_direct_read_completion(struct nfs_pgio_header *hdr) struct nfs_page *req = nfs_list_entry(hdr->pages.next); struct page *page = req->wb_page; - if (test_bit(NFS_IOHDR_EOF, &hdr->flags)) { - if (bytes > hdr->good_bytes) - zero_user(page, 0, PAGE_SIZE); - else if (hdr->good_bytes - bytes < PAGE_SIZE) - zero_user_segment(page, - hdr->good_bytes & ~PAGE_MASK, - PAGE_SIZE); - } if (!PageCompound(page)) { if (test_bit(NFS_IOHDR_ERROR, &hdr->flags)) { if (bytes < hdr->good_bytes) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5eec442..4432b2f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1721,7 +1721,8 @@ static int _nfs4_recover_proc_open(struct nfs4_opendata *data) static int nfs4_opendata_access(struct rpc_cred *cred, struct nfs4_opendata *opendata, - struct nfs4_state *state, fmode_t fmode) + struct nfs4_state *state, fmode_t fmode, + int openflags) { struct nfs_access_entry cache; u32 mask; @@ -1733,11 +1734,14 @@ static int nfs4_opendata_access(struct rpc_cred *cred, mask = 0; /* don't check MAY_WRITE - a newly created file may not have - * write mode bits, but POSIX allows the creating process to write */ - if (fmode & FMODE_READ) - mask |= MAY_READ; - if (fmode & FMODE_EXEC) - mask |= MAY_EXEC; + * write mode bits, but POSIX allows the creating process to write. + * use openflags to check for exec, because fmode won't + * always have FMODE_EXEC set when file open for exec. */ + if (openflags & __FMODE_EXEC) { + /* ONLY check for exec rights */ + mask = MAY_EXEC; + } else if (fmode & FMODE_READ) + mask = MAY_READ; cache.cred = cred; cache.jiffies = jiffies; @@ -2009,7 +2013,7 @@ static int _nfs4_do_open(struct inode *dir, if (server->caps & NFS_CAP_POSIX_LOCK) set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); - status = nfs4_opendata_access(cred, opendata, state, fmode); + status = nfs4_opendata_access(cred, opendata, state, fmode, flags); if (status != 0) goto err_opendata_put; @@ -3937,8 +3941,13 @@ static ssize_t __nfs4_get_acl_uncached(struct inode *inode, void *buf, size_t bu goto out_free; } nfs4_write_cached_acl(inode, pages, res.acl_data_offset, res.acl_len); - if (buf) + if (buf) { + if (res.acl_len > buflen) { + ret = -ERANGE; + goto out_free; + } _copy_from_pages(buf, pages, res.acl_data_offset, res.acl_len); + } out_ok: ret = res.acl_len; out_free: @@ -6138,13 +6147,26 @@ static void nfs41_sequence_prepare(struct rpc_task *task, void *data) rpc_call_start(task); } +static void nfs41_sequence_prepare_privileged(struct rpc_task *task, void *data) +{ + rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED); + nfs41_sequence_prepare(task, data); +} + static const struct rpc_call_ops nfs41_sequence_ops = { .rpc_call_done = nfs41_sequence_call_done, .rpc_call_prepare = nfs41_sequence_prepare, .rpc_release = nfs41_sequence_release, }; -static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred) +static const struct rpc_call_ops nfs41_sequence_privileged_ops = { + .rpc_call_done = nfs41_sequence_call_done, + .rpc_call_prepare = nfs41_sequence_prepare_privileged, + .rpc_release = nfs41_sequence_release, +}; + +static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred, + const struct rpc_call_ops *seq_ops) { struct nfs4_sequence_data *calldata; struct rpc_message msg = { @@ -6154,7 +6176,7 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_ struct rpc_task_setup task_setup_data = { .rpc_client = clp->cl_rpcclient, .rpc_message = &msg, - .callback_ops = &nfs41_sequence_ops, + .callback_ops = seq_ops, .flags = RPC_TASK_ASYNC | RPC_TASK_SOFT, }; @@ -6181,7 +6203,7 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cr if ((renew_flags & NFS4_RENEW_TIMEOUT) == 0) return 0; - task = _nfs41_proc_sequence(clp, cred); + task = _nfs41_proc_sequence(clp, cred, &nfs41_sequence_ops); if (IS_ERR(task)) ret = PTR_ERR(task); else @@ -6195,7 +6217,7 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred) struct rpc_task *task; int ret; - task = _nfs41_proc_sequence(clp, cred); + task = _nfs41_proc_sequence(clp, cred, &nfs41_sequence_privileged_ops); if (IS_ERR(task)) { ret = PTR_ERR(task); goto out; diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 2878f97..b7f7538 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -254,7 +254,7 @@ static void pnfs_layout_set_fail_bit(struct pnfs_layout_hdr *lo, int fail_bit) { lo->plh_retry_timestamp = jiffies; - if (test_and_set_bit(fail_bit, &lo->plh_flags)) + if (!test_and_set_bit(fail_bit, &lo->plh_flags)) atomic_inc(&lo->plh_refcount); } diff --git a/fs/nfs/read.c b/fs/nfs/read.c index b6bdb18..a5e5d98 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -91,12 +91,16 @@ void nfs_readdata_release(struct nfs_read_data *rdata) put_nfs_open_context(rdata->args.context); if (rdata->pages.pagevec != rdata->pages.page_array) kfree(rdata->pages.pagevec); - if (rdata != &read_header->rpc_data) - kfree(rdata); - else + if (rdata == &read_header->rpc_data) { rdata->header = NULL; + rdata = NULL; + } if (atomic_dec_and_test(&hdr->refcnt)) hdr->completion_ops->completion(hdr); + /* Note: we only free the rpc_task after callbacks are done. + * See the comment in rpc_free_task() for why + */ + kfree(rdata); } EXPORT_SYMBOL_GPL(nfs_readdata_release); diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 652d3f7..00be08f 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1150,7 +1150,7 @@ static int nfs_get_option_str(substring_t args[], char **option) { kfree(*option); *option = match_strdup(args); - return !option; + return !*option; } static int nfs_get_option_ul(substring_t args[], unsigned long *option) diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 9347ab7..8b67dc3 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -126,12 +126,16 @@ void nfs_writedata_release(struct nfs_write_data *wdata) put_nfs_open_context(wdata->args.context); if (wdata->pages.pagevec != wdata->pages.page_array) kfree(wdata->pages.pagevec); - if (wdata != &write_header->rpc_data) - kfree(wdata); - else + if (wdata == &write_header->rpc_data) { wdata->header = NULL; + wdata = NULL; + } if (atomic_dec_and_test(&hdr->refcnt)) hdr->completion_ops->completion(hdr); + /* Note: we only free the rpc_task after callbacks are done. + * See the comment in rpc_free_task() for why + */ + kfree(wdata); } EXPORT_SYMBOL_GPL(nfs_writedata_release); @@ -202,7 +206,6 @@ out: /* A writeback failed: mark the page as bad, and invalidate the page cache */ static void nfs_set_pageerror(struct page *page) { - SetPageError(page); nfs_zap_mapping(page_file_mapping(page)->host, page_file_mapping(page)); } @@ -884,7 +887,7 @@ static bool nfs_write_pageuptodate(struct page *page, struct inode *inode) { if (nfs_have_delegated_attributes(inode)) goto out; - if (NFS_I(inode)->cache_validity & NFS_INO_REVAL_PAGECACHE) + if (NFS_I(inode)->cache_validity & (NFS_INO_INVALID_DATA|NFS_INO_REVAL_PAGECACHE)) return false; out: return PageUptodate(page) != 0; diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 6c9a4b2..f75af01 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -194,6 +194,7 @@ static __be32 do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open) { struct svc_fh *resfh; + int accmode; __be32 status; resfh = kmalloc(sizeof(struct svc_fh), GFP_KERNEL); @@ -253,9 +254,10 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o /* set reply cache */ fh_copy_shallow(&open->op_openowner->oo_owner.so_replay.rp_openfh, &resfh->fh_handle); - if (!open->op_created) - status = do_open_permission(rqstp, resfh, open, - NFSD_MAY_NOP); + accmode = NFSD_MAY_NOP; + if (open->op_created) + accmode |= NFSD_MAY_OWNER_OVERRIDE; + status = do_open_permission(rqstp, resfh, open, accmode); set_change_info(&open->op_cinfo, current_fh); fh_dup2(current_fh, resfh); out: diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index d0237f8..503e15e 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2340,7 +2340,7 @@ nfsd4_init_slabs(void) if (openowner_slab == NULL) goto out_nomem; lockowner_slab = kmem_cache_create("nfsd4_lockowners", - sizeof(struct nfs4_openowner), 0, 0, NULL); + sizeof(struct nfs4_lockowner), 0, 0, NULL); if (lockowner_slab == NULL) goto out_nomem; file_slab = kmem_cache_create("nfsd4_files", diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index fd548d1..ac6850f 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2946,11 +2946,16 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr, len = maxcount; v = 0; while (len > 0) { - pn = resp->rqstp->rq_resused++; + pn = resp->rqstp->rq_resused; + if (!resp->rqstp->rq_respages[pn]) { /* ran out of pages */ + maxcount -= len; + break; + } resp->rqstp->rq_vec[v].iov_base = page_address(resp->rqstp->rq_respages[pn]); resp->rqstp->rq_vec[v].iov_len = len < PAGE_SIZE ? len : PAGE_SIZE; + resp->rqstp->rq_resused++; v++; len -= PAGE_SIZE; } @@ -2996,6 +3001,8 @@ nfsd4_encode_readlink(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd return nfserr; if (resp->xbuf->page_len) return nfserr_resource; + if (!resp->rqstp->rq_respages[resp->rqstp->rq_resused]) + return nfserr_resource; page = page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused++]); @@ -3045,6 +3052,8 @@ nfsd4_encode_readdir(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4 return nfserr; if (resp->xbuf->page_len) return nfserr_resource; + if (!resp->rqstp->rq_respages[resp->rqstp->rq_resused]) + return nfserr_resource; RESERVE_SPACE(NFS4_VERIFIER_SIZE); savep = p; diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 2013aa00..30d3784 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -640,7 +640,7 @@ nfsd_dispatch(struct svc_rqst *rqstp, __be32 *statp) } /* Store reply in cache. */ - nfsd_cache_update(rqstp, proc->pc_cachetype, statp + 1); + nfsd_cache_update(rqstp, rqstp->rq_cachetype, statp + 1); return 1; } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index c120b48..f59169e 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1485,13 +1485,19 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, case NFS3_CREATE_EXCLUSIVE: if ( dchild->d_inode->i_mtime.tv_sec == v_mtime && dchild->d_inode->i_atime.tv_sec == v_atime - && dchild->d_inode->i_size == 0 ) + && dchild->d_inode->i_size == 0 ) { + if (created) + *created = 1; break; + } case NFS4_CREATE_EXCLUSIVE4_1: if ( dchild->d_inode->i_mtime.tv_sec == v_mtime && dchild->d_inode->i_atime.tv_sec == v_atime - && dchild->d_inode->i_size == 0 ) + && dchild->d_inode->i_size == 0 ) { + if (created) + *created = 1; goto set_attr; + } /* fallthru */ case NFS3_CREATE_GUARDED: err = nfserr_exist; diff --git a/fs/proc/array.c b/fs/proc/array.c index c1c207c..bd31e02 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -212,7 +212,7 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns, group_info = cred->group_info; task_unlock(p); - for (g = 0; g < min(group_info->ngroups, NGROUPS_SMALL); g++) + for (g = 0; g < group_info->ngroups; g++) seq_printf(m, "%d ", from_kgid_munged(user_ns, GROUP_AT(group_info, g))); put_cred(cred); diff --git a/fs/splice.c b/fs/splice.c index 13e5b47..48c7bd1 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -696,8 +696,10 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe, return -EINVAL; more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0; - if (sd->len < sd->total_len) + + if (sd->len < sd->total_len && pipe->nrbufs > 1) more |= MSG_SENDPAGE_NOTLAST; + return file->f_op->sendpage(file, buf->page, buf->offset, sd->len, &pos, more); } diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index e57e2da..e0e9ee0 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -124,7 +124,7 @@ xfs_setfilesize_trans_alloc( ioend->io_append_trans = tp; /* - * We will pass freeze protection with a transaction. So tell lockdep + * We may pass freeze protection with a transaction. So tell lockdep * we released it. */ rwsem_release(&ioend->io_inode->i_sb->s_writers.lock_map[SB_FREEZE_FS-1], @@ -149,11 +149,13 @@ xfs_setfilesize( xfs_fsize_t isize; /* - * The transaction was allocated in the I/O submission thread, - * thus we need to mark ourselves as beeing in a transaction - * manually. + * The transaction may have been allocated in the I/O submission thread, + * thus we need to mark ourselves as beeing in a transaction manually. + * Similarly for freeze protection. */ current_set_flags_nested(&tp->t_pflags, PF_FSTRANS); + rwsem_acquire_read(&VFS_I(ip)->i_sb->s_writers.lock_map[SB_FREEZE_FS-1], + 0, 1, _THIS_IP_); xfs_ilock(ip, XFS_ILOCK_EXCL); isize = xfs_new_eof(ip, ioend->io_offset + ioend->io_size); @@ -187,7 +189,8 @@ xfs_finish_ioend( if (ioend->io_type == XFS_IO_UNWRITTEN) queue_work(mp->m_unwritten_workqueue, &ioend->io_work); - else if (ioend->io_append_trans) + else if (ioend->io_append_trans || + (ioend->io_isdirect && xfs_ioend_is_append(ioend))) queue_work(mp->m_data_workqueue, &ioend->io_work); else xfs_destroy_ioend(ioend); @@ -205,15 +208,6 @@ xfs_end_io( struct xfs_inode *ip = XFS_I(ioend->io_inode); int error = 0; - if (ioend->io_append_trans) { - /* - * We've got freeze protection passed with the transaction. - * Tell lockdep about it. - */ - rwsem_acquire_read( - &ioend->io_inode->i_sb->s_writers.lock_map[SB_FREEZE_FS-1], - 0, 1, _THIS_IP_); - } if (XFS_FORCED_SHUTDOWN(ip->i_mount)) { ioend->io_error = -EIO; goto done; @@ -226,35 +220,31 @@ xfs_end_io( * range to normal written extens after the data I/O has finished. */ if (ioend->io_type == XFS_IO_UNWRITTEN) { + error = xfs_iomap_write_unwritten(ip, ioend->io_offset, + ioend->io_size); + } else if (ioend->io_isdirect && xfs_ioend_is_append(ioend)) { /* - * For buffered I/O we never preallocate a transaction when - * doing the unwritten extent conversion, but for direct I/O - * we do not know if we are converting an unwritten extent - * or not at the point where we preallocate the transaction. + * For direct I/O we do not know if we need to allocate blocks + * or not so we can't preallocate an append transaction as that + * results in nested reservations and log space deadlocks. Hence + * allocate the transaction here. While this is sub-optimal and + * can block IO completion for some time, we're stuck with doing + * it this way until we can pass the ioend to the direct IO + * allocation callbacks and avoid nesting that way. */ - if (ioend->io_append_trans) { - ASSERT(ioend->io_isdirect); - - current_set_flags_nested( - &ioend->io_append_trans->t_pflags, PF_FSTRANS); - xfs_trans_cancel(ioend->io_append_trans, 0); - } - - error = xfs_iomap_write_unwritten(ip, ioend->io_offset, - ioend->io_size); - if (error) { - ioend->io_error = -error; + error = xfs_setfilesize_trans_alloc(ioend); + if (error) goto done; - } + error = xfs_setfilesize(ioend); } else if (ioend->io_append_trans) { error = xfs_setfilesize(ioend); - if (error) - ioend->io_error = -error; } else { ASSERT(!xfs_ioend_is_append(ioend)); } done: + if (error) + ioend->io_error = -error; xfs_destroy_ioend(ioend); } @@ -1432,25 +1422,21 @@ xfs_vm_direct_IO( size_t size = iov_length(iov, nr_segs); /* - * We need to preallocate a transaction for a size update - * here. In the case that this write both updates the size - * and converts at least on unwritten extent we will cancel - * the still clean transaction after the I/O has finished. + * We cannot preallocate a size update transaction here as we + * don't know whether allocation is necessary or not. Hence we + * can only tell IO completion that one is necessary if we are + * not doing unwritten extent conversion. */ iocb->private = ioend = xfs_alloc_ioend(inode, XFS_IO_DIRECT); - if (offset + size > XFS_I(inode)->i_d.di_size) { - ret = xfs_setfilesize_trans_alloc(ioend); - if (ret) - goto out_destroy_ioend; + if (offset + size > XFS_I(inode)->i_d.di_size) ioend->io_isdirect = 1; - } ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, nr_segs, xfs_get_blocks_direct, xfs_end_io_direct_write, NULL, 0); if (ret != -EIOCBQUEUED && iocb->private) - goto out_trans_cancel; + goto out_destroy_ioend; } else { ret = __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, nr_segs, @@ -1460,15 +1446,6 @@ xfs_vm_direct_IO( return ret; -out_trans_cancel: - if (ioend->io_append_trans) { - current_set_flags_nested(&ioend->io_append_trans->t_pflags, - PF_FSTRANS); - rwsem_acquire_read( - &inode->i_sb->s_writers.lock_map[SB_FREEZE_FS-1], - 0, 1, _THIS_IP_); - xfs_trans_cancel(ioend->io_append_trans, 0); - } out_destroy_ioend: xfs_destroy_ioend(ioend); return ret; diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 4dad756..a54c292 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -458,7 +458,8 @@ xfs_log_reserve( tic->t_trans_type = t_type; *ticp = tic; - xlog_grant_push_ail(log, tic->t_unit_res * tic->t_cnt); + xlog_grant_push_ail(log, tic->t_cnt ? tic->t_unit_res * tic->t_cnt + : tic->t_unit_res); trace_xfs_log_reserve(log, tic); diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 2e86fa0..335a340 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -1453,7 +1453,7 @@ xfs_qm_dqreclaim_one( int error; if (!xfs_dqlock_nowait(dqp)) - goto out_busy; + goto out_move_tail; /* * This dquot has acquired a reference in the meantime remove it from @@ -1476,7 +1476,7 @@ xfs_qm_dqreclaim_one( * getting flushed to disk, we don't want to reclaim it. */ if (!xfs_dqflock_nowait(dqp)) - goto out_busy; + goto out_unlock_move_tail; if (XFS_DQ_IS_DIRTY(dqp)) { struct xfs_buf *bp = NULL; @@ -1487,7 +1487,7 @@ xfs_qm_dqreclaim_one( if (error) { xfs_warn(mp, "%s: dquot %p flush failed", __func__, dqp); - goto out_busy; + goto out_unlock_move_tail; } xfs_buf_delwri_queue(bp, buffer_list); @@ -1496,7 +1496,7 @@ xfs_qm_dqreclaim_one( * Give the dquot another try on the freelist, as the * flushing will take some time. */ - goto out_busy; + goto out_unlock_move_tail; } xfs_dqfunlock(dqp); @@ -1515,14 +1515,13 @@ xfs_qm_dqreclaim_one( XFS_STATS_INC(xs_qm_dqreclaims); return; -out_busy: - xfs_dqunlock(dqp); - /* * Move the dquot to the tail of the list so that we don't spin on it. */ +out_unlock_move_tail: + xfs_dqunlock(dqp); +out_move_tail: list_move_tail(&dqp->q_lru, &qi->qi_lru_list); - trace_xfs_dqreclaim_busy(dqp); XFS_STATS_INC(xs_qm_dqreclaim_misses); } diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index ed6642a..25f01d0 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -78,6 +78,14 @@ struct mmu_gather_batch { #define MAX_GATHER_BATCH \ ((PAGE_SIZE - sizeof(struct mmu_gather_batch)) / sizeof(void *)) +/* + * Limit the maximum number of mmu_gather batches to reduce a risk of soft + * lockups for non-preemptible kernels on huge machines when a lot of memory + * is zapped during unmapping. + * 10K pages freed at once should be safe even without a preemption point. + */ +#define MAX_GATHER_BATCH_COUNT (10000UL/MAX_GATHER_BATCH) + /* struct mmu_gather is an opaque type used by the mm code for passing around * any data needed by arch specific code for tlb_remove_page. */ @@ -96,6 +104,7 @@ struct mmu_gather { struct mmu_gather_batch *active; struct mmu_gather_batch local; struct page *__pages[MMU_GATHER_BUNDLE]; + unsigned int batch_count; }; #define HAVE_GENERIC_MMU_GATHER diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index cfcc6bf..de0628e 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -114,6 +114,7 @@ extern int setup_arg_pages(struct linux_binprm * bprm, unsigned long stack_top, int executable_stack); extern int bprm_mm_init(struct linux_binprm *bprm); +extern int bprm_change_interp(char *interp, struct linux_binprm *bprm); extern int copy_strings_kernel(int argc, const char *const *argv, struct linux_binprm *bprm); extern int prepare_bprm_creds(struct linux_binprm *bprm); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index f8a030c..4cd1d0f 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -34,7 +34,6 @@ extern int cgroup_lock_is_held(void); extern bool cgroup_lock_live_group(struct cgroup *cgrp); extern void cgroup_unlock(void); extern void cgroup_fork(struct task_struct *p); -extern void cgroup_fork_callbacks(struct task_struct *p); extern void cgroup_post_fork(struct task_struct *p); extern void cgroup_exit(struct task_struct *p, int run_callbacks); extern int cgroupstats_build(struct cgroupstats *stats, diff --git a/include/linux/freezer.h b/include/linux/freezer.h index d09af4b..ee89932 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -75,28 +75,62 @@ static inline bool cgroup_freezing(struct task_struct *task) */ -/* Tell the freezer not to count the current task as freezable. */ +/** + * freezer_do_not_count - tell freezer to ignore %current + * + * Tell freezers to ignore the current task when determining whether the + * target frozen state is reached. IOW, the current task will be + * considered frozen enough by freezers. + * + * The caller shouldn't do anything which isn't allowed for a frozen task + * until freezer_cont() is called. Usually, freezer[_do_not]_count() pair + * wrap a scheduling operation and nothing much else. + */ static inline void freezer_do_not_count(void) { current->flags |= PF_FREEZER_SKIP; } -/* - * Tell the freezer to count the current task as freezable again and try to - * freeze it. +/** + * freezer_count - tell freezer to stop ignoring %current + * + * Undo freezer_do_not_count(). It tells freezers that %current should be + * considered again and tries to freeze if freezing condition is already in + * effect. */ static inline void freezer_count(void) { current->flags &= ~PF_FREEZER_SKIP; + /* + * If freezing is in progress, the following paired with smp_mb() + * in freezer_should_skip() ensures that either we see %true + * freezing() or freezer_should_skip() sees !PF_FREEZER_SKIP. + */ + smp_mb(); try_to_freeze(); } -/* - * Check if the task should be counted as freezable by the freezer +/** + * freezer_should_skip - whether to skip a task when determining frozen + * state is reached + * @p: task in quesion + * + * This function is used by freezers after establishing %true freezing() to + * test whether a task should be skipped when determining the target frozen + * state is reached. IOW, if this function returns %true, @p is considered + * frozen enough. */ -static inline int freezer_should_skip(struct task_struct *p) +static inline bool freezer_should_skip(struct task_struct *p) { - return !!(p->flags & PF_FREEZER_SKIP); + /* + * The following smp_mb() paired with the one in freezer_count() + * ensures that either freezer_count() sees %true freezing() or we + * see cleared %PF_FREEZER_SKIP and return %false. This makes it + * impossible for a task to slip frozen state testing after + * clearing %PF_FREEZER_SKIP. + */ + smp_mb(); + return p->flags & PF_FREEZER_SKIP; } /* diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h index d73878c..ce8217f 100644 --- a/include/linux/hugetlb_cgroup.h +++ b/include/linux/hugetlb_cgroup.h @@ -62,7 +62,7 @@ extern void hugetlb_cgroup_uncharge_page(int idx, unsigned long nr_pages, struct page *page); extern void hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup *h_cg); -extern int hugetlb_cgroup_file_init(int idx) __init; +extern void hugetlb_cgroup_file_init(void) __init; extern void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage); @@ -111,9 +111,8 @@ hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages, return; } -static inline int __init hugetlb_cgroup_file_init(int idx) +static inline void hugetlb_cgroup_file_init(void) { - return 0; } static inline void hugetlb_cgroup_migrate(struct page *oldhpage, diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 7d8dfc7..b35fd0d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -77,13 +77,15 @@ /* * Divide positive or negative dividend by positive divisor and round - * to closest integer. Result is undefined for negative divisors. + * to closest integer. Result is undefined for negative divisors and + * for negative dividends if the divisor variable type is unsigned. */ #define DIV_ROUND_CLOSEST(x, divisor)( \ { \ typeof(x) __x = x; \ typeof(divisor) __d = divisor; \ - (((typeof(x))-1) > 0 || (__x) > 0) ? \ + (((typeof(x))-1) > 0 || \ + ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ (((__x) + ((__d) / 2)) / (__d)) : \ (((__x) - ((__d) / 2)) / (__d)); \ } \ diff --git a/include/linux/libata.h b/include/linux/libata.h index 77eeeda..e931c9a 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -163,6 +163,7 @@ enum { ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */ ATA_DFLAG_DEVSLP = (1 << 27), /* device supports Device Sleep */ + ATA_DFLAG_ACPI_DISABLED = (1 << 28), /* ACPI for the device is disabled */ ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index b5d1384..70473da 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -362,7 +362,7 @@ static inline void ClearPageCompound(struct page *page) * pages on the LRU and/or pagecache. */ TESTPAGEFLAG(Compound, compound) -__PAGEFLAG(Head, compound) +__SETPAGEFLAG(Head, compound) __CLEARPAGEFLAG(Head, compound) /* * PG_reclaim is used in combination with PG_compound to mark the @@ -374,8 +374,14 @@ __PAGEFLAG(Head, compound) * PG_compound & PG_reclaim => Tail page * PG_compound & ~PG_reclaim => Head page */ +#define PG_head_mask ((1L << PG_compound)) #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim)) +static inline int PageHead(struct page *page) +{ + return ((page->flags & PG_head_tail_mask) == PG_head_mask); +} + static inline int PageTail(struct page *page) { return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask); diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 9d36b82..d16ad56 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1568,6 +1568,7 @@ #define PCI_DEVICE_ID_RICOH_RL5C476 0x0476 #define PCI_DEVICE_ID_RICOH_RL5C478 0x0478 #define PCI_DEVICE_ID_RICOH_R5C822 0x0822 +#define PCI_DEVICE_ID_RICOH_R5CE822 0xe822 #define PCI_DEVICE_ID_RICOH_R5CE823 0xe823 #define PCI_DEVICE_ID_RICOH_R5C832 0x0832 #define PCI_DEVICE_ID_RICOH_R5C843 0x0843 diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h index 4fd8a4b..e5062c9 100644 --- a/include/net/gro_cells.h +++ b/include/net/gro_cells.h @@ -17,7 +17,6 @@ struct gro_cells { static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *skb) { - unsigned long flags; struct gro_cell *cell = gcells->cells; struct net_device *dev = skb->dev; @@ -35,32 +34,37 @@ static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *s return; } - spin_lock_irqsave(&cell->napi_skbs.lock, flags); + /* We run in BH context */ + spin_lock(&cell->napi_skbs.lock); __skb_queue_tail(&cell->napi_skbs, skb); if (skb_queue_len(&cell->napi_skbs) == 1) napi_schedule(&cell->napi); - spin_unlock_irqrestore(&cell->napi_skbs.lock, flags); + spin_unlock(&cell->napi_skbs.lock); } +/* called unser BH context */ static inline int gro_cell_poll(struct napi_struct *napi, int budget) { struct gro_cell *cell = container_of(napi, struct gro_cell, napi); struct sk_buff *skb; int work_done = 0; + spin_lock(&cell->napi_skbs.lock); while (work_done < budget) { - skb = skb_dequeue(&cell->napi_skbs); + skb = __skb_dequeue(&cell->napi_skbs); if (!skb) break; - + spin_unlock(&cell->napi_skbs.lock); napi_gro_receive(napi, skb); work_done++; + spin_lock(&cell->napi_skbs.lock); } if (work_done < budget) napi_complete(napi); + spin_unlock(&cell->napi_skbs.lock); return work_done; } diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index ba1d361..1832927 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -318,6 +318,7 @@ extern void inet_csk_reqsk_queue_prune(struct sock *parent, const unsigned long max_rto); extern void inet_csk_destroy_sock(struct sock *sk); +extern void inet_csk_prepare_forced_close(struct sock *sk); /* * LISTEN is a special case for poll.. diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 980d263..6b305d7 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -78,6 +78,13 @@ struct ra_msg { __be32 retrans_timer; }; +struct rd_msg { + struct icmp6hdr icmph; + struct in6_addr target; + struct in6_addr dest; + __u8 opt[0]; +}; + struct nd_opt_hdr { __u8 nd_opt_type; __u8 nd_opt_len; diff --git a/kernel/cgroup.c b/kernel/cgroup.c index f24f724..ad99830 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2744,9 +2744,7 @@ static int cgroup_create_dir(struct cgroup *cgrp, struct dentry *dentry, dentry->d_fsdata = cgrp; inc_nlink(parent->d_inode); rcu_assign_pointer(cgrp->dentry, dentry); - dget(dentry); } - dput(dentry); return error; } @@ -2791,12 +2789,6 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys, simple_xattrs_init(&cft->xattrs); - /* does @cft->flags tell us to skip creation on @cgrp? */ - if ((cft->flags & CFTYPE_NOT_ON_ROOT) && !cgrp->parent) - return 0; - if ((cft->flags & CFTYPE_ONLY_ON_ROOT) && cgrp->parent) - return 0; - if (subsys && !test_bit(ROOT_NOPREFIX, &cgrp->root->flags)) { strcpy(name, subsys->name); strcat(name, "."); @@ -2837,6 +2829,12 @@ static int cgroup_addrm_files(struct cgroup *cgrp, struct cgroup_subsys *subsys, int err, ret = 0; for (cft = cfts; cft->name[0] != '\0'; cft++) { + /* does cft->flags tell us to skip this file on @cgrp? */ + if ((cft->flags & CFTYPE_NOT_ON_ROOT) && !cgrp->parent) + continue; + if ((cft->flags & CFTYPE_ONLY_ON_ROOT) && cgrp->parent) + continue; + if (is_add) err = cgroup_add_file(cgrp, subsys, cft); else @@ -4832,44 +4830,19 @@ void cgroup_fork(struct task_struct *child) } /** - * cgroup_fork_callbacks - run fork callbacks - * @child: the new task - * - * Called on a new task very soon before adding it to the - * tasklist. No need to take any locks since no-one can - * be operating on this task. - */ -void cgroup_fork_callbacks(struct task_struct *child) -{ - if (need_forkexit_callback) { - int i; - for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) { - struct cgroup_subsys *ss = subsys[i]; - - /* - * forkexit callbacks are only supported for - * builtin subsystems. - */ - if (!ss || ss->module) - continue; - - if (ss->fork) - ss->fork(child); - } - } -} - -/** * cgroup_post_fork - called on a new task after adding it to the task list * @child: the task in question * - * Adds the task to the list running through its css_set if necessary. - * Has to be after the task is visible on the task list in case we race - * with the first call to cgroup_iter_start() - to guarantee that the - * new task ends up on its list. + * Adds the task to the list running through its css_set if necessary and + * call the subsystem fork() callbacks. Has to be after the task is + * visible on the task list in case we race with the first call to + * cgroup_iter_start() - to guarantee that the new task ends up on its + * list. */ void cgroup_post_fork(struct task_struct *child) { + int i; + /* * use_task_css_set_links is set to 1 before we walk the tasklist * under the tasklist_lock and we read it here after we added the child @@ -4889,7 +4862,30 @@ void cgroup_post_fork(struct task_struct *child) task_unlock(child); write_unlock(&css_set_lock); } + + /* + * Call ss->fork(). This must happen after @child is linked on + * css_set; otherwise, @child might change state between ->fork() + * and addition to css_set. + */ + if (need_forkexit_callback) { + for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) { + struct cgroup_subsys *ss = subsys[i]; + + /* + * fork/exit callbacks are supported only for + * builtin subsystems and we don't need further + * synchronization as they never go away. + */ + if (!ss || ss->module) + continue; + + if (ss->fork) + ss->fork(child); + } + } } + /** * cgroup_exit - detach cgroup from exiting task * @tsk: pointer to task_struct of exiting process diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index b1724ce..12bfedb 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -186,23 +186,15 @@ static void freezer_fork(struct task_struct *task) { struct freezer *freezer; - /* - * No lock is needed, since the task isn't on tasklist yet, - * so it can't be moved to another cgroup, which means the - * freezer won't be removed and will be valid during this - * function call. Nevertheless, apply RCU read-side critical - * section to suppress RCU lockdep false positives. - */ rcu_read_lock(); freezer = task_freezer(task); - rcu_read_unlock(); /* * The root cgroup is non-freezable, so we can skip the * following check. */ if (!freezer->css.cgroup->parent) - return; + goto out; spin_lock_irq(&freezer->lock); BUG_ON(freezer->state == CGROUP_FROZEN); @@ -210,7 +202,10 @@ static void freezer_fork(struct task_struct *task) /* Locking avoids race with FREEZING -> THAWED transitions. */ if (freezer->state == CGROUP_FREEZING) freeze_task(task); + spin_unlock_irq(&freezer->lock); +out: + rcu_read_unlock(); } /* diff --git a/kernel/fork.c b/kernel/fork.c index 8b20ab7..acc4cb6 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1135,7 +1135,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, { int retval; struct task_struct *p; - int cgroup_callbacks_done = 0; if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS)) return ERR_PTR(-EINVAL); @@ -1393,12 +1392,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, INIT_LIST_HEAD(&p->thread_group); p->task_works = NULL; - /* Now that the task is set up, run cgroup callbacks if - * necessary. We need to run them before the task is visible - * on the tasklist. */ - cgroup_fork_callbacks(p); - cgroup_callbacks_done = 1; - /* Need tasklist lock for parent etc handling! */ write_lock_irq(&tasklist_lock); @@ -1503,7 +1496,7 @@ bad_fork_cleanup_cgroup: #endif if (clone_flags & CLONE_THREAD) threadgroup_change_end(current); - cgroup_exit(p, cgroup_callbacks_done); + cgroup_exit(p, 0); delayacct_tsk_free(p); module_put(task_thread_info(p)->exec_domain->module); bad_fork_cleanup_count: diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 4c69326..e48caf8 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -716,6 +716,7 @@ static void irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) { cpumask_var_t mask; + bool valid = true; if (!test_and_clear_bit(IRQTF_AFFINITY, &action->thread_flags)) return; @@ -730,10 +731,18 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) } raw_spin_lock_irq(&desc->lock); - cpumask_copy(mask, desc->irq_data.affinity); + /* + * This code is triggered unconditionally. Check the affinity + * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out. + */ + if (desc->irq_data.affinity) + cpumask_copy(mask, desc->irq_data.affinity); + else + valid = false; raw_spin_unlock_irq(&desc->lock); - set_cpus_allowed_ptr(current, mask); + if (valid) + set_cpus_allowed_ptr(current, mask); free_cpumask_var(mask); } #else @@ -936,6 +945,16 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) */ get_task_struct(t); new->thread = t; + /* + * Tell the thread to set its affinity. This is + * important for shared interrupt handlers as we do + * not invoke setup_affinity() for the secondary + * handlers as everything is already set up. Even for + * interrupts marked with IRQF_NO_BALANCE this is + * correct as we want the thread to move to the cpu(s) + * on which the requesting code placed the interrupt. + */ + set_bit(IRQTF_AFFINITY, &new->thread_flags); } if (!alloc_cpumask_var(&mask, GFP_KERNEL)) { diff --git a/kernel/printk.c b/kernel/printk.c index 2d607f4..f8e0b5a 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -847,10 +847,11 @@ static size_t print_time(u64 ts, char *buf) if (!printk_time) return 0; + rem_nsec = do_div(ts, 1000000000); + if (!buf) - return 15; + return snprintf(NULL, 0, "[%5lu.000000] ", (unsigned long)ts); - rem_nsec = do_div(ts, 1000000000); return sprintf(buf, "[%5lu.%06lu] ", (unsigned long)ts, rem_nsec / 1000); } diff --git a/kernel/signal.c b/kernel/signal.c index 0af8868..e4d4014 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3221,6 +3221,7 @@ SYSCALL_DEFINE1(ssetmask, int, newmask) int old = current->blocked.sig[0]; sigset_t newset; + siginitset(&newset, newmask); set_current_blocked(&newset); return old; diff --git a/lib/atomic64.c b/lib/atomic64.c index 9785378..08a4f06 100644 --- a/lib/atomic64.c +++ b/lib/atomic64.c @@ -31,7 +31,11 @@ static union { raw_spinlock_t lock; char pad[L1_CACHE_BYTES]; -} atomic64_lock[NR_LOCKS] __cacheline_aligned_in_smp; +} atomic64_lock[NR_LOCKS] __cacheline_aligned_in_smp = { + [0 ... (NR_LOCKS - 1)] = { + .lock = __RAW_SPIN_LOCK_UNLOCKED(atomic64_lock.lock), + }, +}; static inline raw_spinlock_t *lock_addr(const atomic64_t *v) { @@ -173,14 +177,3 @@ int atomic64_add_unless(atomic64_t *v, long long a, long long u) return ret; } EXPORT_SYMBOL(atomic64_add_unless); - -static int init_atomic64_lock(void) -{ - int i; - - for (i = 0; i < NR_LOCKS; ++i) - raw_spin_lock_init(&atomic64_lock[i].lock); - return 0; -} - -pure_initcall(init_atomic64_lock); diff --git a/mm/highmem.c b/mm/highmem.c index 2da13a5..09fc744 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -105,6 +105,7 @@ struct page *kmap_to_page(void *vaddr) return virt_to_page(addr); } +EXPORT_SYMBOL(kmap_to_page); static void flush_all_zero_pkmaps(void) { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 59a0059..f198aca 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1906,14 +1906,12 @@ static int __init hugetlb_init(void) default_hstate.max_huge_pages = default_hstate_max_huge_pages; hugetlb_init_hstates(); - gather_bootmem_prealloc(); - report_hugepages(); hugetlb_sysfs_init(); - hugetlb_register_all_nodes(); + hugetlb_cgroup_file_init(); return 0; } @@ -1943,13 +1941,6 @@ void __init hugetlb_add_hstate(unsigned order) h->next_nid_to_free = first_node(node_states[N_HIGH_MEMORY]); snprintf(h->name, HSTATE_NAME_LEN, "hugepages-%lukB", huge_page_size(h)/1024); - /* - * Add cgroup control files only if the huge page consists - * of more than two normal pages. This is because we use - * page[2].lru.next for storing cgoup details. - */ - if (order >= HUGETLB_CGROUP_MIN_ORDER) - hugetlb_cgroup_file_init(hugetlb_max_hstate - 1); parsed_hstate = h; } diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index a3f358f..a0143e5 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -340,7 +340,7 @@ static char *mem_fmt(char *buf, int size, unsigned long hsize) return buf; } -int __init hugetlb_cgroup_file_init(int idx) +static void __init __hugetlb_cgroup_file_init(int idx) { char buf[32]; struct cftype *cft; @@ -382,7 +382,22 @@ int __init hugetlb_cgroup_file_init(int idx) WARN_ON(cgroup_add_cftypes(&hugetlb_subsys, h->cgroup_files)); - return 0; + return; +} + +void __init hugetlb_cgroup_file_init(void) +{ + struct hstate *h; + + for_each_hstate(h) { + /* + * Add cgroup control files only if the huge page consists + * of more than two normal pages. This is because we use + * page[2].lru.next for storing cgroup details. + */ + if (huge_page_order(h) >= HUGETLB_CGROUP_MIN_ORDER) + __hugetlb_cgroup_file_init(hstate_index(h)); + } } /* diff --git a/mm/memory.c b/mm/memory.c index 221fc9f..f2973b2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -182,10 +182,14 @@ static int tlb_next_batch(struct mmu_gather *tlb) return 1; } + if (tlb->batch_count == MAX_GATHER_BATCH_COUNT) + return 0; + batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0); if (!batch) return 0; + tlb->batch_count++; batch->next = NULL; batch->nr = 0; batch->max = MAX_GATHER_BATCH; @@ -214,6 +218,7 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm) tlb->local.nr = 0; tlb->local.max = ARRAY_SIZE(tlb->__pages); tlb->active = &tlb->local; + tlb->batch_count = 0; #ifdef CONFIG_HAVE_RCU_TABLE_FREE tlb->batch = NULL; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 4ea600d..002c281 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2372,8 +2372,7 @@ void numa_default_policy(void) */ /* - * "local" is pseudo-policy: MPOL_PREFERRED with MPOL_F_LOCAL flag - * Used only for mpol_parse_str() and mpol_to_str() + * "local" is implemented internally by MPOL_PREFERRED with MPOL_F_LOCAL flag. */ #define MPOL_LOCAL MPOL_MAX static const char * const policy_modes[] = @@ -2388,28 +2387,21 @@ static const char * const policy_modes[] = #ifdef CONFIG_TMPFS /** - * mpol_parse_str - parse string to mempolicy + * mpol_parse_str - parse string to mempolicy, for tmpfs mpol mount option. * @str: string containing mempolicy to parse * @mpol: pointer to struct mempolicy pointer, returned on success. - * @no_context: flag whether to "contextualize" the mempolicy + * @unused: redundant argument, to be removed later. * * Format of input: * [=][:] * - * if @no_context is true, save the input nodemask in w.user_nodemask in - * the returned mempolicy. This will be used to "clone" the mempolicy in - * a specific context [cpuset] at a later time. Used to parse tmpfs mpol - * mount option. Note that if 'static' or 'relative' mode flags were - * specified, the input nodemask will already have been saved. Saving - * it again is redundant, but safe. - * * On success, returns 0, else 1 */ -int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context) +int mpol_parse_str(char *str, struct mempolicy **mpol, int unused) { struct mempolicy *new = NULL; unsigned short mode; - unsigned short uninitialized_var(mode_flags); + unsigned short mode_flags; nodemask_t nodes; char *nodelist = strchr(str, ':'); char *flags = strchr(str, '='); @@ -2497,24 +2489,23 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context) if (IS_ERR(new)) goto out; - if (no_context) { - /* save for contextualization */ - new->w.user_nodemask = nodes; - } else { - int ret; - NODEMASK_SCRATCH(scratch); - if (scratch) { - task_lock(current); - ret = mpol_set_nodemask(new, &nodes, scratch); - task_unlock(current); - } else - ret = -ENOMEM; - NODEMASK_SCRATCH_FREE(scratch); - if (ret) { - mpol_put(new); - goto out; - } - } + /* + * Save nodes for mpol_to_str() to show the tmpfs mount options + * for /proc/mounts, /proc/pid/mounts and /proc/pid/mountinfo. + */ + if (mode != MPOL_PREFERRED) + new->v.nodes = nodes; + else if (nodelist) + new->v.preferred_node = first_node(nodes); + else + new->flags |= MPOL_F_LOCAL; + + /* + * Save nodes for contextualization: this will be used to "clone" + * the mempolicy in a specific context [cpuset] at a later time. + */ + new->w.user_nodemask = nodes; + err = 0; out: @@ -2534,13 +2525,13 @@ out: * @buffer: to contain formatted mempolicy string * @maxlen: length of @buffer * @pol: pointer to mempolicy to be formatted - * @no_context: "context free" mempolicy - use nodemask in w.user_nodemask + * @unused: redundant argument, to be removed later. * * Convert a mempolicy into a string. * Returns the number of characters in buffer (if positive) * or an error (negative) */ -int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) +int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int unused) { char *p = buffer; int l; @@ -2566,7 +2557,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) case MPOL_PREFERRED: nodes_clear(nodes); if (flags & MPOL_F_LOCAL) - mode = MPOL_LOCAL; /* pseudo-policy */ + mode = MPOL_LOCAL; else node_set(pol->v.preferred_node, nodes); break; @@ -2574,10 +2565,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context) case MPOL_BIND: /* Fall through */ case MPOL_INTERLEAVE: - if (no_context) - nodes = pol->w.user_nodemask; - else - nodes = pol->v.nodes; + nodes = pol->v.nodes; break; default: diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 830893b..c0fa8bd 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -201,6 +201,18 @@ static unsigned long highmem_dirtyable_memory(unsigned long total) zone_reclaimable_pages(z) - z->dirty_balance_reserve; } /* + * Unreclaimable memory (kernel memory or anonymous memory + * without swap) can bring down the dirtyable pages below + * the zone's dirty balance reserve and the above calculation + * will underflow. However we still want to add in nodes + * which are below threshold (negative values) to get a more + * accurate calculation but make sure that the total never + * underflows. + */ + if ((long)x < 0) + x = 0; + + /* * Make sure that the number of highmem pages is never larger * than the number of the total dirtyable memory. This can only * occur in very strange VM situations but we want to make sure @@ -222,8 +234,8 @@ static unsigned long global_dirtyable_memory(void) { unsigned long x; - x = global_page_state(NR_FREE_PAGES) + global_reclaimable_pages() - - dirty_balance_reserve; + x = global_page_state(NR_FREE_PAGES) + global_reclaimable_pages(); + x -= min(x, dirty_balance_reserve); if (!vm_highmem_is_dirtyable) x -= highmem_dirtyable_memory(x); @@ -290,9 +302,12 @@ static unsigned long zone_dirtyable_memory(struct zone *zone) * highmem zone can hold its share of dirty pages, so we don't * care about vm_highmem_is_dirtyable here. */ - return zone_page_state(zone, NR_FREE_PAGES) + - zone_reclaimable_pages(zone) - - zone->dirty_balance_reserve; + unsigned long nr_pages = zone_page_state(zone, NR_FREE_PAGES) + + zone_reclaimable_pages(zone); + + /* don't allow this to underflow */ + nr_pages -= min(nr_pages, zone->dirty_balance_reserve); + return nr_pages; } /** diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 35b8911..fd05c81 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include #include @@ -325,7 +326,7 @@ static int p9_get_mapped_pages(struct virtio_chan *chan, int count = nr_pages; while (nr_pages) { s = rest_of_page(data); - pages[index++] = virt_to_page(data); + pages[index++] = kmap_to_page(data); data += s; nr_pages--; } diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index b02b75d..c6fcc76 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -119,7 +119,7 @@ batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv) unsigned int msecs; msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER; - msecs += (random32() % 2 * BATADV_JITTER); + msecs += random32() % (2 * BATADV_JITTER); return jiffies + msecs_to_jiffies(msecs); } diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index a0a2f97..e48bfdb 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1793,6 +1793,8 @@ void hci_unregister_dev(struct hci_dev *hdev) for (i = 0; i < NUM_REASSEMBLY; i++) kfree_skb(hdev->reassembly[i]); + cancel_work_sync(&hdev->power_on); + if (!test_bit(HCI_INIT, &hdev->flags) && !test_bit(HCI_SETUP, &hdev->dev_flags)) { hci_dev_lock(hdev); diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index b3226f3..868a909 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -467,7 +467,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f long timeo; int err = 0; - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); if (sk->sk_type != SOCK_STREAM) { err = -EINVAL; @@ -504,7 +504,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f release_sock(sk); timeo = schedule_timeout(timeo); - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); } __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index dc42b91..caa109d 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -131,15 +131,6 @@ static int sco_conn_del(struct hci_conn *hcon, int err) sco_sock_clear_timer(sk); sco_chan_del(sk, err); bh_unlock_sock(sk); - - sco_conn_lock(conn); - conn->sk = NULL; - sco_pi(sk)->conn = NULL; - sco_conn_unlock(conn); - - if (conn->hcon) - hci_conn_put(conn->hcon); - sco_sock_kill(sk); } @@ -830,6 +821,16 @@ static void sco_chan_del(struct sock *sk, int err) BT_DBG("sk %p, conn %p, err %d", sk, conn, err); + if (conn) { + sco_conn_lock(conn); + conn->sk = NULL; + sco_pi(sk)->conn = NULL; + sco_conn_unlock(conn); + + if (conn->hcon) + hci_conn_put(conn->hcon); + } + sk->sk_state = BT_CLOSED; sk->sk_err = err; sk->sk_state_change(sk); diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 176ecdb..4f9f5eb 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -439,8 +439,8 @@ exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; put_and_exit: - bh_unlock_sock(newsk); - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + dccp_done(newsk); goto exit; } diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 56840b2..6e05981 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -585,7 +585,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, newinet->inet_rcv_saddr = LOOPBACK4_IPV6; if (__inet_inherit_port(sk, newsk) < 0) { - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + dccp_done(newsk); goto out; } __inet6_hash(newsk, NULL); diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index d34ce29..13a13e8 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -699,6 +699,22 @@ void inet_csk_destroy_sock(struct sock *sk) } EXPORT_SYMBOL(inet_csk_destroy_sock); +/* This function allows to force a closure of a socket after the call to + * tcp/dccp_create_openreq_child(). + */ +void inet_csk_prepare_forced_close(struct sock *sk) +{ + /* sk_clone_lock locked the socket and set refcnt to 2 */ + bh_unlock_sock(sk); + sock_put(sk); + + /* The below has to be done to allow calling inet_csk_destroy_sock */ + sock_set_flag(sk, SOCK_DEAD); + percpu_counter_inc(sk->sk_prot->orphan_count); + inet_sk(sk)->inet_num = 0; +} +EXPORT_SYMBOL(inet_csk_prepare_forced_close); + int inet_csk_listen_start(struct sock *sk, const int nr_table_entries) { struct inet_sock *inet = inet_sk(sk); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 0c4a643..bc3cb46 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1774,10 +1774,8 @@ exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; put_and_exit: - tcp_clear_xmit_timers(newsk); - tcp_cleanup_congestion_control(newsk); - bh_unlock_sock(newsk); - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + tcp_done(newsk); goto exit; } EXPORT_SYMBOL(tcp_v4_syn_recv_sock); diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 2edce30..89dab79 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1333,6 +1333,12 @@ out: static void ndisc_redirect_rcv(struct sk_buff *skb) { + u8 *hdr; + struct ndisc_options ndopts; + struct rd_msg *msg = (struct rd_msg *)skb_transport_header(skb); + u32 ndoptlen = skb->tail - (skb->transport_header + + offsetof(struct rd_msg, opt)); + #ifdef CONFIG_IPV6_NDISC_NODETYPE switch (skb->ndisc_nodetype) { case NDISC_NODETYPE_HOST: @@ -1349,6 +1355,17 @@ static void ndisc_redirect_rcv(struct sk_buff *skb) return; } + if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) + return; + + if (!ndopts.nd_opts_rh) + return; + + hdr = (u8 *)ndopts.nd_opts_rh; + hdr += 8; + if (!pskb_pull(skb, hdr - skb_transport_header(skb))) + return; + icmpv6_notify(skb, NDISC_REDIRECT, 0, 0); } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 26175bf..73f2a6b 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1384,7 +1384,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, #endif if (__inet_inherit_port(sk, newsk) < 0) { - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + tcp_done(newsk); goto out; } __inet6_hash(newsk, NULL); diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c index f30f6d4..c5e24c8 100644 --- a/net/mac802154/wpan.c +++ b/net/mac802154/wpan.c @@ -387,7 +387,7 @@ void mac802154_wpan_setup(struct net_device *dev) static int mac802154_process_data(struct net_device *dev, struct sk_buff *skb) { - return netif_rx(skb); + return netif_rx_ni(skb); } static int diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 9d75b77..e9ea2f3 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -874,7 +874,7 @@ ok: q->now = psched_get_time(); start_at = jiffies; - next_event = q->now + 5 * PSCHED_TICKS_PER_SEC; + next_event = q->now + 5LLU * PSCHED_TICKS_PER_SEC; for (level = 0; level < TC_HTB_MAXDEPTH; level++) { /* common case optimization - skip event handler quickly */ diff --git a/net/sctp/probe.c b/net/sctp/probe.c index bc6cd75..5f7518d 100644 --- a/net/sctp/probe.c +++ b/net/sctp/probe.c @@ -122,7 +122,8 @@ static const struct file_operations sctpprobe_fops = { .llseek = noop_llseek, }; -sctp_disposition_t jsctp_sf_eat_sack(const struct sctp_endpoint *ep, +sctp_disposition_t jsctp_sf_eat_sack(struct net *net, + const struct sctp_endpoint *ep, const struct sctp_association *asoc, const sctp_subtype_t type, void *arg, diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index f9d870e..a9652d6 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2557,10 +2557,6 @@ static int azx_runtime_suspend(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; - if (!power_save_controller || - !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) - return -EAGAIN; - azx_stop_chip(chip); azx_clear_irq_pending(chip); return 0; @@ -2575,12 +2571,25 @@ static int azx_runtime_resume(struct device *dev) azx_init_chip(chip, 1); return 0; } + +static int azx_runtime_idle(struct device *dev) +{ + struct snd_card *card = dev_get_drvdata(dev); + struct azx *chip = card->private_data; + + if (!power_save_controller || + !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) + return -EBUSY; + + return 0; +} + #endif /* CONFIG_PM_RUNTIME */ #ifdef CONFIG_PM static const struct dev_pm_ops azx_pm = { SET_SYSTEM_SLEEP_PM_OPS(azx_suspend, azx_resume) - SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, NULL) + SET_RUNTIME_PM_OPS(azx_runtime_suspend, azx_runtime_resume, azx_runtime_idle) }; #define AZX_PM_OPS &azx_pm diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 03b1dc3..a7b522a 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -4453,6 +4453,7 @@ static const struct snd_pci_quirk cxt5051_fixups[] = { }; static const struct snd_pci_quirk cxt5066_fixups[] = { + SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410), SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410), diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 71555cc..4642c68 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -431,9 +431,11 @@ static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid) if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); - /* Disable pin out until stream is active*/ + /* Enable pin out: some machines with GM965 gets broken output when + * the pin is disabled or changed while using with HDMI + */ snd_hda_codec_write(codec, pin_nid, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0); + AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); } static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid) @@ -1338,7 +1340,6 @@ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, struct hdmi_spec *spec = codec->spec; int pin_idx = hinfo_to_pin_index(spec, hinfo); hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid; - int pinctl; bool non_pcm; non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); @@ -1347,11 +1348,6 @@ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, hdmi_setup_audio_infoframe(codec, pin_idx, non_pcm, substream); - pinctl = snd_hda_codec_read(codec, pin_nid, 0, - AC_VERB_GET_PIN_WIDGET_CONTROL, 0); - snd_hda_codec_write(codec, pin_nid, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl | PIN_OUT); - return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); } @@ -1371,7 +1367,6 @@ static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, int cvt_idx, pin_idx; struct hdmi_spec_per_cvt *per_cvt; struct hdmi_spec_per_pin *per_pin; - int pinctl; if (hinfo->nid) { cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid); @@ -1388,11 +1383,6 @@ static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, return -EINVAL; per_pin = &spec->pins[pin_idx]; - pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, - AC_VERB_GET_PIN_WIDGET_CONTROL, 0); - snd_hda_codec_write(codec, per_pin->pin_nid, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, - pinctl & ~PIN_OUT); snd_hda_spdif_ctls_unassign(codec, pin_idx); per_pin->chmap_set = false; memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index ad68d22..4bbabdc 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5986,6 +5986,30 @@ static void alc269_fixup_quanta_mute(struct hda_codec *codec, spec->automute_hook = alc269_quanta_automute; } +/* update mute-LED according to the speaker mute state via mic1 VREF pin */ +static void alc269_fixup_mic1_mute_hook(void *private_data, int enabled) +{ + struct hda_codec *codec = private_data; + unsigned int pinval = AC_PINCTL_IN_EN + (enabled ? + AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_80); + snd_hda_set_pin_ctl_cache(codec, 0x18, pinval); +} + +static void alc269_fixup_mic1_mute(struct hda_codec *codec, + const struct alc_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + switch (action) { + case ALC_FIXUP_ACT_BUILD: + spec->vmaster_mute.hook = alc269_fixup_mic1_mute_hook; + snd_hda_add_vmaster_hook(codec, &spec->vmaster_mute, true); + /* fallthru */ + case ALC_FIXUP_ACT_INIT: + snd_hda_sync_vmaster_hook(&spec->vmaster_mute); + break; + } +} + /* update mute-LED according to the speaker mute state via mic2 VREF pin */ static void alc269_fixup_mic2_mute_hook(void *private_data, int enabled) { @@ -6027,6 +6051,7 @@ enum { ALC269_FIXUP_DMIC, ALC269VB_FIXUP_AMIC, ALC269VB_FIXUP_DMIC, + ALC269_FIXUP_MIC1_MUTE_LED, ALC269_FIXUP_MIC2_MUTE_LED, ALC269_FIXUP_INV_DMIC, ALC269_FIXUP_LENOVO_DOCK, @@ -6153,6 +6178,10 @@ static const struct alc_fixup alc269_fixups[] = { { } }, }, + [ALC269_FIXUP_MIC1_MUTE_LED] = { + .type = ALC_FIXUP_FUNC, + .v.func = alc269_fixup_mic1_mute, + }, [ALC269_FIXUP_MIC2_MUTE_LED] = { .type = ALC_FIXUP_FUNC, .v.func = alc269_fixup_mic2_mute, @@ -6181,6 +6210,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x029b, "Acer 1810TZ", ALC269_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_MIC2_MUTE_LED), + SND_PCI_QUIRK(0x103c, 0x1972, "HP Pavilion 17", ALC269_FIXUP_MIC1_MUTE_LED), SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC), SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_DMIC), SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW), @@ -6535,8 +6565,8 @@ static void alc861vd_fixup_dallas(struct hda_codec *codec, const struct alc_fixup *fix, int action) { if (action == ALC_FIXUP_ACT_PRE_PROBE) { - snd_hda_override_pin_caps(codec, 0x18, 0x00001714); - snd_hda_override_pin_caps(codec, 0x19, 0x0000171c); + snd_hda_override_pin_caps(codec, 0x18, 0x00000734); + snd_hda_override_pin_caps(codec, 0x19, 0x0000073c); } } diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 9ba8af0..f3bae20 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1724,7 +1724,7 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = { SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1658, "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1659, - "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD), + "HP Pavilion dv7", STAC_HP_DV7_4000), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x165A, "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x165B, diff --git a/sound/usb/midi.c b/sound/usb/midi.c index eeefbce..34b9bb7 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -116,6 +116,7 @@ struct snd_usb_midi { struct list_head list; struct timer_list error_timer; spinlock_t disc_lock; + struct rw_semaphore disc_rwsem; struct mutex mutex; u32 usb_id; int next_midi_device; @@ -125,8 +126,10 @@ struct snd_usb_midi { struct snd_usb_midi_in_endpoint *in; } endpoints[MIDI_MAX_ENDPOINTS]; unsigned long input_triggered; - unsigned int opened; + bool autopm_reference; + unsigned int opened[2]; unsigned char disconnected; + unsigned char input_running; struct snd_kcontrol *roland_load_ctl; }; @@ -148,7 +151,6 @@ struct snd_usb_midi_out_endpoint { struct snd_usb_midi_out_endpoint* ep; struct snd_rawmidi_substream *substream; int active; - bool autopm_reference; uint8_t cable; /* cable number << 4 */ uint8_t state; #define STATE_UNKNOWN 0 @@ -1033,29 +1035,58 @@ static void update_roland_altsetting(struct snd_usb_midi* umidi) snd_usbmidi_input_start(&umidi->list); } -static void substream_open(struct snd_rawmidi_substream *substream, int open) +static int substream_open(struct snd_rawmidi_substream *substream, int dir, + int open) { struct snd_usb_midi* umidi = substream->rmidi->private_data; struct snd_kcontrol *ctl; + int err; + + down_read(&umidi->disc_rwsem); + if (umidi->disconnected) { + up_read(&umidi->disc_rwsem); + return open ? -ENODEV : 0; + } mutex_lock(&umidi->mutex); if (open) { - if (umidi->opened++ == 0 && umidi->roland_load_ctl) { - ctl = umidi->roland_load_ctl; - ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; - snd_ctl_notify(umidi->card, + if (!umidi->opened[0] && !umidi->opened[1]) { + err = usb_autopm_get_interface(umidi->iface); + umidi->autopm_reference = err >= 0; + if (err < 0 && err != -EACCES) { + mutex_unlock(&umidi->mutex); + up_read(&umidi->disc_rwsem); + return -EIO; + } + if (umidi->roland_load_ctl) { + ctl = umidi->roland_load_ctl; + ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(umidi->card, SNDRV_CTL_EVENT_MASK_INFO, &ctl->id); - update_roland_altsetting(umidi); + update_roland_altsetting(umidi); + } } + umidi->opened[dir]++; + if (umidi->opened[1]) + snd_usbmidi_input_start(&umidi->list); } else { - if (--umidi->opened == 0 && umidi->roland_load_ctl) { - ctl = umidi->roland_load_ctl; - ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; - snd_ctl_notify(umidi->card, + umidi->opened[dir]--; + if (!umidi->opened[1]) + snd_usbmidi_input_stop(&umidi->list); + if (!umidi->opened[0] && !umidi->opened[1]) { + if (umidi->roland_load_ctl) { + ctl = umidi->roland_load_ctl; + ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; + snd_ctl_notify(umidi->card, SNDRV_CTL_EVENT_MASK_INFO, &ctl->id); + } + if (umidi->autopm_reference) + usb_autopm_put_interface(umidi->iface); } } mutex_unlock(&umidi->mutex); + up_read(&umidi->disc_rwsem); + return 0; } static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream) @@ -1063,7 +1094,6 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream) struct snd_usb_midi* umidi = substream->rmidi->private_data; struct usbmidi_out_port* port = NULL; int i, j; - int err; for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) if (umidi->endpoints[i].out) @@ -1076,25 +1106,15 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream) snd_BUG(); return -ENXIO; } - err = usb_autopm_get_interface(umidi->iface); - port->autopm_reference = err >= 0; - if (err < 0 && err != -EACCES) - return -EIO; + substream->runtime->private_data = port; port->state = STATE_UNKNOWN; - substream_open(substream, 1); - return 0; + return substream_open(substream, 0, 1); } static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream) { - struct snd_usb_midi* umidi = substream->rmidi->private_data; - struct usbmidi_out_port *port = substream->runtime->private_data; - - substream_open(substream, 0); - if (port->autopm_reference) - usb_autopm_put_interface(umidi->iface); - return 0; + return substream_open(substream, 0, 0); } static void snd_usbmidi_output_trigger(struct snd_rawmidi_substream *substream, int up) @@ -1147,14 +1167,12 @@ static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream) static int snd_usbmidi_input_open(struct snd_rawmidi_substream *substream) { - substream_open(substream, 1); - return 0; + return substream_open(substream, 1, 1); } static int snd_usbmidi_input_close(struct snd_rawmidi_substream *substream) { - substream_open(substream, 0); - return 0; + return substream_open(substream, 1, 0); } static void snd_usbmidi_input_trigger(struct snd_rawmidi_substream *substream, int up) @@ -1403,9 +1421,12 @@ void snd_usbmidi_disconnect(struct list_head* p) * a timer may submit an URB. To reliably break the cycle * a flag under lock must be used */ + down_write(&umidi->disc_rwsem); spin_lock_irq(&umidi->disc_lock); umidi->disconnected = 1; spin_unlock_irq(&umidi->disc_lock); + up_write(&umidi->disc_rwsem); + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i]; if (ep->out) @@ -2060,12 +2081,15 @@ void snd_usbmidi_input_stop(struct list_head* p) unsigned int i, j; umidi = list_entry(p, struct snd_usb_midi, list); + if (!umidi->input_running) + return; for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i]; if (ep->in) for (j = 0; j < INPUT_URBS; ++j) usb_kill_urb(ep->in->urbs[j]); } + umidi->input_running = 0; } static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint* ep) @@ -2090,8 +2114,11 @@ void snd_usbmidi_input_start(struct list_head* p) int i; umidi = list_entry(p, struct snd_usb_midi, list); + if (umidi->input_running || !umidi->opened[1]) + return; for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) snd_usbmidi_input_start_ep(umidi->endpoints[i].in); + umidi->input_running = 1; } /* @@ -2117,6 +2144,7 @@ int snd_usbmidi_create(struct snd_card *card, umidi->usb_protocol_ops = &snd_usbmidi_standard_ops; init_timer(&umidi->error_timer); spin_lock_init(&umidi->disc_lock); + init_rwsem(&umidi->disc_rwsem); mutex_init(&umidi->mutex); umidi->usb_id = USB_ID(le16_to_cpu(umidi->dev->descriptor.idVendor), le16_to_cpu(umidi->dev->descriptor.idProduct)); @@ -2229,9 +2257,6 @@ int snd_usbmidi_create(struct snd_card *card, } list_add_tail(&umidi->list, midi_list); - - for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) - snd_usbmidi_input_start_ep(umidi->endpoints[i].in); return 0; }