diff options
author | Mike Pagano <mpagano@gentoo.org> | 2018-11-10 16:26:21 -0500 |
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committer | Mike Pagano <mpagano@gentoo.org> | 2018-11-10 16:27:09 -0500 |
commit | 91ec27f204e4cbcedf978499fa2d3dd4f805339d (patch) | |
tree | 5ee2b297ffab023e018e47beb1621b142b98cacb | |
parent | Linux patch 4.4.162 (diff) | |
download | linux-patches-4.4-164.tar.gz linux-patches-4.4-164.tar.bz2 linux-patches-4.4-164.zip |
Linux patch 4.4.1634.4-164
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
-rw-r--r-- | 0000_README | 4 | ||||
-rw-r--r-- | 1162_linux-4.4.163.patch | 3554 |
2 files changed, 3558 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 98ec4834..3fa80ea2 100644 --- a/0000_README +++ b/0000_README @@ -691,6 +691,10 @@ Patch: 1161_linux-4.4.162.patch From: http://www.kernel.org Desc: Linux 4.4.162 +Patch: 1162_linux-4.4.163.patch +From: http://www.kernel.org +Desc: Linux 4.4.163 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1162_linux-4.4.163.patch b/1162_linux-4.4.163.patch new file mode 100644 index 00000000..ae6d7c9f --- /dev/null +++ b/1162_linux-4.4.163.patch @@ -0,0 +1,3554 @@ +diff --git a/Makefile b/Makefile +index 00ff2dd68ff1..4e3179768eea 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 4 + PATCHLEVEL = 4 +-SUBLEVEL = 162 ++SUBLEVEL = 163 + EXTRAVERSION = + NAME = Blurry Fish Butt + +diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi +index 53fd75c8ffcf..47894b41e4e2 100644 +--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi ++++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi +@@ -130,6 +130,17 @@ + }; + }; + ++&cpu0 { ++ /* CPU rated to 1GHz, not 1.2GHz as per the default settings */ ++ operating-points = < ++ /* kHz uV */ ++ 166666 850000 ++ 400000 900000 ++ 800000 1050000 ++ 1000000 1200000 ++ >; ++}; ++ + &esdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_esdhc1>; +diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi +index e00d50ef678f..3ff5ea16ebb3 100644 +--- a/arch/arm/boot/dts/qcom-apq8064.dtsi ++++ b/arch/arm/boot/dts/qcom-apq8064.dtsi +@@ -577,7 +577,7 @@ + }; + + sata0: sata@29000000 { +- compatible = "generic-ahci"; ++ compatible = "qcom,apq8064-ahci", "generic-ahci"; + status = "disabled"; + reg = <0x29000000 0x180>; + interrupts = <GIC_SPI 209 IRQ_TYPE_NONE>; +@@ -599,6 +599,7 @@ + + phys = <&sata_phy0>; + phy-names = "sata-phy"; ++ ports-implemented = <0x1>; + }; + + /* Temporary fixed regulator */ +diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c +index 0c81056c1dd7..2a3feb73de0b 100644 +--- a/arch/arm/mm/ioremap.c ++++ b/arch/arm/mm/ioremap.c +@@ -460,7 +460,7 @@ void pci_ioremap_set_mem_type(int mem_type) + + int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr) + { +- BUG_ON(offset + SZ_64K > IO_SPACE_LIMIT); ++ BUG_ON(offset + SZ_64K - 1 > IO_SPACE_LIMIT); + + return ioremap_page_range(PCI_IO_VIRT_BASE + offset, + PCI_IO_VIRT_BASE + offset + SZ_64K, +diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c +index 86485415c5f0..be7f8416809f 100644 +--- a/arch/arm64/mm/fault.c ++++ b/arch/arm64/mm/fault.c +@@ -107,26 +107,27 @@ int ptep_set_access_flags(struct vm_area_struct *vma, + /* only preserve the access flags and write permission */ + pte_val(entry) &= PTE_AF | PTE_WRITE | PTE_DIRTY; + +- /* +- * PTE_RDONLY is cleared by default in the asm below, so set it in +- * back if necessary (read-only or clean PTE). +- */ ++ /* set PTE_RDONLY if actual read-only or clean PTE */ + if (!pte_write(entry) || !pte_sw_dirty(entry)) + pte_val(entry) |= PTE_RDONLY; + + /* + * Setting the flags must be done atomically to avoid racing with the +- * hardware update of the access/dirty state. ++ * hardware update of the access/dirty state. The PTE_RDONLY bit must ++ * be set to the most permissive (lowest value) of *ptep and entry ++ * (calculated as: a & b == ~(~a | ~b)). + */ ++ pte_val(entry) ^= PTE_RDONLY; + asm volatile("// ptep_set_access_flags\n" + " prfm pstl1strm, %2\n" + "1: ldxr %0, %2\n" +- " and %0, %0, %3 // clear PTE_RDONLY\n" ++ " eor %0, %0, %3 // negate PTE_RDONLY in *ptep\n" + " orr %0, %0, %4 // set flags\n" ++ " eor %0, %0, %3 // negate final PTE_RDONLY\n" + " stxr %w1, %0, %2\n" + " cbnz %w1, 1b\n" + : "=&r" (old_pteval), "=&r" (tmp), "+Q" (pte_val(*ptep)) +- : "L" (~PTE_RDONLY), "r" (pte_val(entry))); ++ : "L" (PTE_RDONLY), "r" (pte_val(entry))); + + flush_tlb_fix_spurious_fault(vma, address); + return 1; +diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S +index 554d1da97743..21f4a9fe82fa 100644 +--- a/arch/mips/dec/int-handler.S ++++ b/arch/mips/dec/int-handler.S +@@ -147,23 +147,12 @@ + * Find irq with highest priority + */ + # open coded PTR_LA t1, cpu_mask_nr_tbl +-#if (_MIPS_SZPTR == 32) ++#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) + # open coded la t1, cpu_mask_nr_tbl + lui t1, %hi(cpu_mask_nr_tbl) + addiu t1, %lo(cpu_mask_nr_tbl) +- +-#endif +-#if (_MIPS_SZPTR == 64) +- # open coded dla t1, cpu_mask_nr_tbl +- .set push +- .set noat +- lui t1, %highest(cpu_mask_nr_tbl) +- lui AT, %hi(cpu_mask_nr_tbl) +- daddiu t1, t1, %higher(cpu_mask_nr_tbl) +- daddiu AT, AT, %lo(cpu_mask_nr_tbl) +- dsll t1, 32 +- daddu t1, t1, AT +- .set pop ++#else ++#error GCC `-msym32' option required for 64-bit DECstation builds + #endif + 1: lw t2,(t1) + nop +@@ -214,23 +203,12 @@ + * Find irq with highest priority + */ + # open coded PTR_LA t1,asic_mask_nr_tbl +-#if (_MIPS_SZPTR == 32) ++#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) + # open coded la t1, asic_mask_nr_tbl + lui t1, %hi(asic_mask_nr_tbl) + addiu t1, %lo(asic_mask_nr_tbl) +- +-#endif +-#if (_MIPS_SZPTR == 64) +- # open coded dla t1, asic_mask_nr_tbl +- .set push +- .set noat +- lui t1, %highest(asic_mask_nr_tbl) +- lui AT, %hi(asic_mask_nr_tbl) +- daddiu t1, t1, %higher(asic_mask_nr_tbl) +- daddiu AT, AT, %lo(asic_mask_nr_tbl) +- dsll t1, 32 +- daddu t1, t1, AT +- .set pop ++#else ++#error GCC `-msym32' option required for 64-bit DECstation builds + #endif + 2: lw t2,(t1) + nop +diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h +index 2f021cdfba4f..742223716fc8 100644 +--- a/arch/mips/include/asm/fpu_emulator.h ++++ b/arch/mips/include/asm/fpu_emulator.h +@@ -66,6 +66,8 @@ extern int do_dsemulret(struct pt_regs *xcp); + extern int fpu_emulator_cop1Handler(struct pt_regs *xcp, + struct mips_fpu_struct *ctx, int has_fpu, + void *__user *fault_addr); ++void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, ++ struct task_struct *tsk); + int process_fpemu_return(int sig, void __user *fault_addr, + unsigned long fcr31); + int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, +@@ -92,4 +94,15 @@ static inline void fpu_emulator_init_fpu(void) + set_fpr64(&t->thread.fpu.fpr[i], 0, SIGNALLING_NAN); + } + ++/* ++ * Mask the FCSR Cause bits according to the Enable bits, observing ++ * that Unimplemented is always enabled. ++ */ ++static inline unsigned long mask_fcr31_x(unsigned long fcr31) ++{ ++ return fcr31 & (FPU_CSR_UNI_X | ++ ((fcr31 & FPU_CSR_ALL_E) << ++ (ffs(FPU_CSR_ALL_X) - ffs(FPU_CSR_ALL_E)))); ++} ++ + #endif /* _ASM_FPU_EMULATOR_H */ +diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h +index ebb5c0f2f90d..c0ae27971e31 100644 +--- a/arch/mips/include/asm/switch_to.h ++++ b/arch/mips/include/asm/switch_to.h +@@ -75,6 +75,22 @@ do { if (cpu_has_rw_llb) { \ + } \ + } while (0) + ++/* ++ * Check FCSR for any unmasked exceptions pending set with `ptrace', ++ * clear them and send a signal. ++ */ ++#define __sanitize_fcr31(next) \ ++do { \ ++ unsigned long fcr31 = mask_fcr31_x(next->thread.fpu.fcr31); \ ++ void __user *pc; \ ++ \ ++ if (unlikely(fcr31)) { \ ++ pc = (void __user *)task_pt_regs(next)->cp0_epc; \ ++ next->thread.fpu.fcr31 &= ~fcr31; \ ++ force_fcr31_sig(fcr31, pc, next); \ ++ } \ ++} while (0) ++ + /* + * For newly created kernel threads switch_to() will return to + * ret_from_kernel_thread, newly created user threads to ret_from_fork. +@@ -85,6 +101,8 @@ do { if (cpu_has_rw_llb) { \ + do { \ + __mips_mt_fpaff_switch_to(prev); \ + lose_fpu_inatomic(1, prev); \ ++ if (tsk_used_math(next)) \ ++ __sanitize_fcr31(next); \ + if (cpu_has_dsp) { \ + __save_dsp(prev); \ + __restore_dsp(next); \ +diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h +index 9b44d5a816fa..1b6f2f219298 100644 +--- a/arch/mips/include/uapi/asm/inst.h ++++ b/arch/mips/include/uapi/asm/inst.h +@@ -846,7 +846,7 @@ struct mm16_r3_format { /* Load from global pointer format */ + struct mm16_r5_format { /* Load/store from stack pointer format */ + __BITFIELD_FIELD(unsigned int opcode : 6, + __BITFIELD_FIELD(unsigned int rt : 5, +- __BITFIELD_FIELD(signed int simmediate : 5, ++ __BITFIELD_FIELD(unsigned int imm : 5, + __BITFIELD_FIELD(unsigned int : 16, /* Ignored */ + ;)))) + }; +diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c +index cbe0f025856d..7b887027dca2 100644 +--- a/arch/mips/kernel/mips-r2-to-r6-emul.c ++++ b/arch/mips/kernel/mips-r2-to-r6-emul.c +@@ -900,7 +900,7 @@ static inline int mipsr2_find_op_func(struct pt_regs *regs, u32 inst, + * mipsr2_decoder: Decode and emulate a MIPS R2 instruction + * @regs: Process register set + * @inst: Instruction to decode and emulate +- * @fcr31: Floating Point Control and Status Register returned ++ * @fcr31: Floating Point Control and Status Register Cause bits returned + */ + int mipsr2_decoder(struct pt_regs *regs, u32 inst, unsigned long *fcr31) + { +@@ -1183,13 +1183,13 @@ fpu_emul: + + err = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 0, + &fault_addr); +- *fcr31 = current->thread.fpu.fcr31; + + /* +- * We can't allow the emulated instruction to leave any of +- * the cause bits set in $fcr31. ++ * We can't allow the emulated instruction to leave any ++ * enabled Cause bits set in $fcr31. + */ +- current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; ++ *fcr31 = res = mask_fcr31_x(current->thread.fpu.fcr31); ++ current->thread.fpu.fcr31 &= ~res; + + /* + * this is a tricky issue - lose_fpu() uses LL/SC atomics +diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c +index ed6cac4a4df0..ebd8a715fe38 100644 +--- a/arch/mips/kernel/process.c ++++ b/arch/mips/kernel/process.c +@@ -207,7 +207,7 @@ static inline int is_ra_save_ins(union mips_instruction *ip, int *poff) + if (ip->mm16_r5_format.rt != 31) + return 0; + +- *poff = ip->mm16_r5_format.simmediate; ++ *poff = ip->mm16_r5_format.imm; + *poff = (*poff << 2) / sizeof(ulong); + return 1; + +@@ -341,6 +341,7 @@ static int get_frame_info(struct mips_frame_info *info) + bool is_mmips = IS_ENABLED(CONFIG_CPU_MICROMIPS); + union mips_instruction insn, *ip, *ip_end; + const unsigned int max_insns = 128; ++ unsigned int last_insn_size = 0; + unsigned int i; + + info->pc_offset = -1; +@@ -352,15 +353,19 @@ static int get_frame_info(struct mips_frame_info *info) + + ip_end = (void *)ip + info->func_size; + +- for (i = 0; i < max_insns && ip < ip_end; i++, ip++) { ++ for (i = 0; i < max_insns && ip < ip_end; i++) { ++ ip = (void *)ip + last_insn_size; + if (is_mmips && mm_insn_16bit(ip->halfword[0])) { + insn.halfword[0] = 0; + insn.halfword[1] = ip->halfword[0]; ++ last_insn_size = 2; + } else if (is_mmips) { + insn.halfword[0] = ip->halfword[1]; + insn.halfword[1] = ip->halfword[0]; ++ last_insn_size = 4; + } else { + insn.word = ip->word; ++ last_insn_size = 4; + } + + if (is_jump_ins(&insn)) +@@ -382,8 +387,6 @@ static int get_frame_info(struct mips_frame_info *info) + tmp = (ip->halfword[0] >> 1); + info->frame_size = -(signed short)(tmp & 0xf); + } +- ip = (void *) &ip->halfword[1]; +- ip--; + } else + #endif + info->frame_size = - ip->i_format.simmediate; +diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c +index 5a869515b393..9d04392f7ef0 100644 +--- a/arch/mips/kernel/ptrace.c ++++ b/arch/mips/kernel/ptrace.c +@@ -79,16 +79,15 @@ void ptrace_disable(struct task_struct *child) + } + + /* +- * Poke at FCSR according to its mask. Don't set the cause bits as +- * this is currently not handled correctly in FP context restoration +- * and will cause an oops if a corresponding enable bit is set. ++ * Poke at FCSR according to its mask. Set the Cause bits even ++ * if a corresponding Enable bit is set. This will be noticed at ++ * the time the thread is switched to and SIGFPE thrown accordingly. + */ + static void ptrace_setfcr31(struct task_struct *child, u32 value) + { + u32 fcr31; + u32 mask; + +- value &= ~FPU_CSR_ALL_X; + fcr31 = child->thread.fpu.fcr31; + mask = boot_cpu_data.fpu_msk31; + child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask); +diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c +index 1b901218e3ae..6abd6b41c13d 100644 +--- a/arch/mips/kernel/traps.c ++++ b/arch/mips/kernel/traps.c +@@ -706,6 +706,32 @@ asmlinkage void do_ov(struct pt_regs *regs) + exception_exit(prev_state); + } + ++/* ++ * Send SIGFPE according to FCSR Cause bits, which must have already ++ * been masked against Enable bits. This is impotant as Inexact can ++ * happen together with Overflow or Underflow, and `ptrace' can set ++ * any bits. ++ */ ++void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, ++ struct task_struct *tsk) ++{ ++ struct siginfo si = { .si_addr = fault_addr, .si_signo = SIGFPE }; ++ ++ if (fcr31 & FPU_CSR_INV_X) ++ si.si_code = FPE_FLTINV; ++ else if (fcr31 & FPU_CSR_DIV_X) ++ si.si_code = FPE_FLTDIV; ++ else if (fcr31 & FPU_CSR_OVF_X) ++ si.si_code = FPE_FLTOVF; ++ else if (fcr31 & FPU_CSR_UDF_X) ++ si.si_code = FPE_FLTUND; ++ else if (fcr31 & FPU_CSR_INE_X) ++ si.si_code = FPE_FLTRES; ++ else ++ si.si_code = __SI_FAULT; ++ force_sig_info(SIGFPE, &si, tsk); ++} ++ + int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31) + { + struct siginfo si = { 0 }; +@@ -715,27 +741,7 @@ int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31) + return 0; + + case SIGFPE: +- si.si_addr = fault_addr; +- si.si_signo = sig; +- /* +- * Inexact can happen together with Overflow or Underflow. +- * Respect the mask to deliver the correct exception. +- */ +- fcr31 &= (fcr31 & FPU_CSR_ALL_E) << +- (ffs(FPU_CSR_ALL_X) - ffs(FPU_CSR_ALL_E)); +- if (fcr31 & FPU_CSR_INV_X) +- si.si_code = FPE_FLTINV; +- else if (fcr31 & FPU_CSR_DIV_X) +- si.si_code = FPE_FLTDIV; +- else if (fcr31 & FPU_CSR_OVF_X) +- si.si_code = FPE_FLTOVF; +- else if (fcr31 & FPU_CSR_UDF_X) +- si.si_code = FPE_FLTUND; +- else if (fcr31 & FPU_CSR_INE_X) +- si.si_code = FPE_FLTRES; +- else +- si.si_code = __SI_FAULT; +- force_sig_info(sig, &si, current); ++ force_fcr31_sig(fcr31, fault_addr, current); + return 1; + + case SIGBUS: +@@ -798,13 +804,13 @@ static int simulate_fp(struct pt_regs *regs, unsigned int opcode, + /* Run the emulator */ + sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, + &fault_addr); +- fcr31 = current->thread.fpu.fcr31; + + /* +- * We can't allow the emulated instruction to leave any of +- * the cause bits set in $fcr31. ++ * We can't allow the emulated instruction to leave any ++ * enabled Cause bits set in $fcr31. + */ +- current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; ++ fcr31 = mask_fcr31_x(current->thread.fpu.fcr31); ++ current->thread.fpu.fcr31 &= ~fcr31; + + /* Restore the hardware register state */ + own_fpu(1); +@@ -830,7 +836,7 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31) + goto out; + + /* Clear FCSR.Cause before enabling interrupts */ +- write_32bit_cp1_register(CP1_STATUS, fcr31 & ~FPU_CSR_ALL_X); ++ write_32bit_cp1_register(CP1_STATUS, fcr31 & ~mask_fcr31_x(fcr31)); + local_irq_enable(); + + die_if_kernel("FP exception in kernel code", regs); +@@ -852,13 +858,13 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31) + /* Run the emulator */ + sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, + &fault_addr); +- fcr31 = current->thread.fpu.fcr31; + + /* +- * We can't allow the emulated instruction to leave any of +- * the cause bits set in $fcr31. ++ * We can't allow the emulated instruction to leave any ++ * enabled Cause bits set in $fcr31. + */ +- current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; ++ fcr31 = mask_fcr31_x(current->thread.fpu.fcr31); ++ current->thread.fpu.fcr31 &= ~fcr31; + + /* Restore the hardware register state */ + own_fpu(1); /* Using the FPU again. */ +@@ -1431,13 +1437,13 @@ asmlinkage void do_cpu(struct pt_regs *regs) + + sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 0, + &fault_addr); +- fcr31 = current->thread.fpu.fcr31; + + /* + * We can't allow the emulated instruction to leave +- * any of the cause bits set in $fcr31. ++ * any enabled Cause bits set in $fcr31. + */ +- current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; ++ fcr31 = mask_fcr31_x(current->thread.fpu.fcr31); ++ current->thread.fpu.fcr31 &= ~fcr31; + + /* Send a signal if required. */ + if (!process_fpemu_return(sig, fault_addr, fcr31) && !err) +diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h +index 8c2a8c937540..c1263fc390db 100644 +--- a/arch/sparc/include/asm/page_64.h ++++ b/arch/sparc/include/asm/page_64.h +@@ -25,6 +25,7 @@ + #define HPAGE_MASK (~(HPAGE_SIZE - 1UL)) + #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) + #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA ++#define REAL_HPAGE_PER_HPAGE (_AC(1,UL) << (HPAGE_SHIFT - REAL_HPAGE_SHIFT)) + #endif + + #ifndef __ASSEMBLY__ +diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c +index 9f9614df9e1e..c2b202d763a1 100644 +--- a/arch/sparc/kernel/pci.c ++++ b/arch/sparc/kernel/pci.c +@@ -245,6 +245,18 @@ static void pci_parse_of_addrs(struct platform_device *op, + } + } + ++static void pci_init_dev_archdata(struct dev_archdata *sd, void *iommu, ++ void *stc, void *host_controller, ++ struct platform_device *op, ++ int numa_node) ++{ ++ sd->iommu = iommu; ++ sd->stc = stc; ++ sd->host_controller = host_controller; ++ sd->op = op; ++ sd->numa_node = numa_node; ++} ++ + static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, + struct device_node *node, + struct pci_bus *bus, int devfn) +@@ -259,13 +271,10 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, + if (!dev) + return NULL; + ++ op = of_find_device_by_node(node); + sd = &dev->dev.archdata; +- sd->iommu = pbm->iommu; +- sd->stc = &pbm->stc; +- sd->host_controller = pbm; +- sd->op = op = of_find_device_by_node(node); +- sd->numa_node = pbm->numa_node; +- ++ pci_init_dev_archdata(sd, pbm->iommu, &pbm->stc, pbm, op, ++ pbm->numa_node); + sd = &op->dev.archdata; + sd->iommu = pbm->iommu; + sd->stc = &pbm->stc; +@@ -1003,9 +1012,13 @@ int pcibios_add_device(struct pci_dev *dev) + * Copy dev_archdata from PF to VF + */ + if (dev->is_virtfn) { ++ struct dev_archdata *psd; ++ + pdev = dev->physfn; +- memcpy(&dev->dev.archdata, &pdev->dev.archdata, +- sizeof(struct dev_archdata)); ++ psd = &pdev->dev.archdata; ++ pci_init_dev_archdata(&dev->dev.archdata, psd->iommu, ++ psd->stc, psd->host_controller, NULL, ++ psd->numa_node); + } + return 0; + } +diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S +index 54f98706b03b..5a8cb37f0a3b 100644 +--- a/arch/sparc/lib/U3memcpy.S ++++ b/arch/sparc/lib/U3memcpy.S +@@ -145,13 +145,13 @@ ENDPROC(U3_retl_o2_plus_GS_plus_0x08) + ENTRY(U3_retl_o2_and_7_plus_GS) + and %o2, 7, %o2 + retl +- add %o2, GLOBAL_SPARE, %o2 ++ add %o2, GLOBAL_SPARE, %o0 + ENDPROC(U3_retl_o2_and_7_plus_GS) + ENTRY(U3_retl_o2_and_7_plus_GS_plus_8) + add GLOBAL_SPARE, 8, GLOBAL_SPARE + and %o2, 7, %o2 + retl +- add %o2, GLOBAL_SPARE, %o2 ++ add %o2, GLOBAL_SPARE, %o0 + ENDPROC(U3_retl_o2_and_7_plus_GS_plus_8) + #endif + +diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c +index e15f33715103..b01ec72522cb 100644 +--- a/arch/sparc/mm/fault_64.c ++++ b/arch/sparc/mm/fault_64.c +@@ -487,6 +487,7 @@ good_area: + tsb_grow(mm, MM_TSB_BASE, mm_rss); + #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) + mm_rss = mm->context.hugetlb_pte_count + mm->context.thp_pte_count; ++ mm_rss *= REAL_HPAGE_PER_HPAGE; + if (unlikely(mm_rss > + mm->context.tsb_block[MM_TSB_HUGE].tsb_rss_limit)) { + if (mm->context.tsb_block[MM_TSB_HUGE].tsb) +diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c +index 3659d37b4d81..c56a195c9071 100644 +--- a/arch/sparc/mm/tlb.c ++++ b/arch/sparc/mm/tlb.c +@@ -174,10 +174,25 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, + return; + + if ((pmd_val(pmd) ^ pmd_val(orig)) & _PAGE_PMD_HUGE) { +- if (pmd_val(pmd) & _PAGE_PMD_HUGE) +- mm->context.thp_pte_count++; +- else +- mm->context.thp_pte_count--; ++ /* ++ * Note that this routine only sets pmds for THP pages. ++ * Hugetlb pages are handled elsewhere. We need to check ++ * for huge zero page. Huge zero pages are like hugetlb ++ * pages in that there is no RSS, but there is the need ++ * for TSB entries. So, huge zero page counts go into ++ * hugetlb_pte_count. ++ */ ++ if (pmd_val(pmd) & _PAGE_PMD_HUGE) { ++ if (is_huge_zero_page(pmd_page(pmd))) ++ mm->context.hugetlb_pte_count++; ++ else ++ mm->context.thp_pte_count++; ++ } else { ++ if (is_huge_zero_page(pmd_page(orig))) ++ mm->context.hugetlb_pte_count--; ++ else ++ mm->context.thp_pte_count--; ++ } + + /* Do not try to allocate the TSB hash table if we + * don't have one already. We have various locks held +@@ -204,6 +219,9 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, + } + } + ++/* ++ * This routine is only called when splitting a THP ++ */ + void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, + pmd_t *pmdp) + { +@@ -213,6 +231,15 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, + + set_pmd_at(vma->vm_mm, address, pmdp, entry); + flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE); ++ ++ /* ++ * set_pmd_at() will not be called in a way to decrement ++ * thp_pte_count when splitting a THP, so do it now. ++ * Sanity check pmd before doing the actual decrement. ++ */ ++ if ((pmd_val(entry) & _PAGE_PMD_HUGE) && ++ !is_huge_zero_page(pmd_page(entry))) ++ (vma->vm_mm)->context.thp_pte_count--; + } + + void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, +diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c +index 266411291634..84cd593117a6 100644 +--- a/arch/sparc/mm/tsb.c ++++ b/arch/sparc/mm/tsb.c +@@ -489,8 +489,10 @@ retry_tsb_alloc: + + int init_new_context(struct task_struct *tsk, struct mm_struct *mm) + { ++ unsigned long mm_rss = get_mm_rss(mm); + #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) +- unsigned long total_huge_pte_count; ++ unsigned long saved_hugetlb_pte_count; ++ unsigned long saved_thp_pte_count; + #endif + unsigned int i; + +@@ -503,10 +505,12 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) + * will re-increment the counters as the parent PTEs are + * copied into the child address space. + */ +- total_huge_pte_count = mm->context.hugetlb_pte_count + +- mm->context.thp_pte_count; ++ saved_hugetlb_pte_count = mm->context.hugetlb_pte_count; ++ saved_thp_pte_count = mm->context.thp_pte_count; + mm->context.hugetlb_pte_count = 0; + mm->context.thp_pte_count = 0; ++ ++ mm_rss -= saved_thp_pte_count * (HPAGE_SIZE / PAGE_SIZE); + #endif + + /* copy_mm() copies over the parent's mm_struct before calling +@@ -519,11 +523,13 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) + /* If this is fork, inherit the parent's TSB size. We would + * grow it to that size on the first page fault anyways. + */ +- tsb_grow(mm, MM_TSB_BASE, get_mm_rss(mm)); ++ tsb_grow(mm, MM_TSB_BASE, mm_rss); + + #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) +- if (unlikely(total_huge_pte_count)) +- tsb_grow(mm, MM_TSB_HUGE, total_huge_pte_count); ++ if (unlikely(saved_hugetlb_pte_count + saved_thp_pte_count)) ++ tsb_grow(mm, MM_TSB_HUGE, ++ (saved_hugetlb_pte_count + saved_thp_pte_count) * ++ REAL_HPAGE_PER_HPAGE); + #endif + + if (unlikely(!mm->context.tsb_block[MM_TSB_BASE].tsb)) +diff --git a/arch/um/Makefile b/arch/um/Makefile +index 9ccf462131c4..d9cd7ed27834 100644 +--- a/arch/um/Makefile ++++ b/arch/um/Makefile +@@ -59,10 +59,14 @@ KBUILD_CPPFLAGS += -I$(srctree)/$(HOST_DIR)/um + # Same things for in6addr_loopback and mktime - found in libc. For these two we + # only get link-time error, luckily. + # ++# -Dlongjmp=kernel_longjmp prevents anything from referencing the libpthread.a ++# embedded copy of longjmp, same thing for setjmp. ++# + # These apply to USER_CFLAGS to. + + KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arch_um__ \ + $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \ ++ -Dlongjmp=kernel_longjmp -Dsetjmp=kernel_setjmp \ + -Din6addr_loopback=kernel_in6addr_loopback \ + -Din6addr_any=kernel_in6addr_any -Dstrrchr=kernel_strrchr + +diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h +index e0ba66ca68c6..f5e780bfa2b3 100644 +--- a/arch/x86/include/asm/percpu.h ++++ b/arch/x86/include/asm/percpu.h +@@ -184,22 +184,22 @@ do { \ + typeof(var) pfo_ret__; \ + switch (sizeof(var)) { \ + case 1: \ +- asm(op "b "__percpu_arg(1)",%0" \ ++ asm volatile(op "b "__percpu_arg(1)",%0"\ + : "=q" (pfo_ret__) \ + : "m" (var)); \ + break; \ + case 2: \ +- asm(op "w "__percpu_arg(1)",%0" \ ++ asm volatile(op "w "__percpu_arg(1)",%0"\ + : "=r" (pfo_ret__) \ + : "m" (var)); \ + break; \ + case 4: \ +- asm(op "l "__percpu_arg(1)",%0" \ ++ asm volatile(op "l "__percpu_arg(1)",%0"\ + : "=r" (pfo_ret__) \ + : "m" (var)); \ + break; \ + case 8: \ +- asm(op "q "__percpu_arg(1)",%0" \ ++ asm volatile(op "q "__percpu_arg(1)",%0"\ + : "=r" (pfo_ret__) \ + : "m" (var)); \ + break; \ +diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c +index d39c09119db6..590c8fd2ed9b 100644 +--- a/arch/x86/kernel/time.c ++++ b/arch/x86/kernel/time.c +@@ -23,7 +23,7 @@ + #include <asm/time.h> + + #ifdef CONFIG_X86_64 +-__visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES; ++__visible volatile unsigned long jiffies __cacheline_aligned_in_smp = INITIAL_JIFFIES; + #endif + + unsigned long profile_pc(struct pt_regs *regs) +diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c +index 0e1dd7d47f05..26598e08666c 100644 +--- a/arch/x86/mm/pageattr.c ++++ b/arch/x86/mm/pageattr.c +@@ -955,11 +955,11 @@ static void populate_pte(struct cpa_data *cpa, + } + } + +-static int populate_pmd(struct cpa_data *cpa, +- unsigned long start, unsigned long end, +- unsigned num_pages, pud_t *pud, pgprot_t pgprot) ++static long populate_pmd(struct cpa_data *cpa, ++ unsigned long start, unsigned long end, ++ unsigned num_pages, pud_t *pud, pgprot_t pgprot) + { +- unsigned int cur_pages = 0; ++ long cur_pages = 0; + pmd_t *pmd; + pgprot_t pmd_pgprot; + +@@ -1029,12 +1029,12 @@ static int populate_pmd(struct cpa_data *cpa, + return num_pages; + } + +-static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, +- pgprot_t pgprot) ++static long populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, ++ pgprot_t pgprot) + { + pud_t *pud; + unsigned long end; +- int cur_pages = 0; ++ long cur_pages = 0; + pgprot_t pud_pgprot; + + end = start + (cpa->numpages << PAGE_SHIFT); +@@ -1090,7 +1090,7 @@ static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, + + /* Map trailing leftover */ + if (start < end) { +- int tmp; ++ long tmp; + + pud = pud_offset(pgd, start); + if (pud_none(*pud)) +@@ -1116,7 +1116,7 @@ static int populate_pgd(struct cpa_data *cpa, unsigned long addr) + pgprot_t pgprot = __pgprot(_KERNPG_TABLE); + pud_t *pud = NULL; /* shut up gcc */ + pgd_t *pgd_entry; +- int ret; ++ long ret; + + pgd_entry = cpa->pgd + pgd_index(addr); + +@@ -1351,7 +1351,8 @@ static int cpa_process_alias(struct cpa_data *cpa) + + static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias) + { +- int ret, numpages = cpa->numpages; ++ unsigned long numpages = cpa->numpages; ++ int ret; + + while (numpages) { + /* +diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c +index 0ae7e9fa348d..89f90549c6a8 100644 +--- a/arch/x86/pci/fixup.c ++++ b/arch/x86/pci/fixup.c +@@ -541,9 +541,16 @@ static void twinhead_reserve_killing_zone(struct pci_dev *dev) + } + DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x27B9, twinhead_reserve_killing_zone); + ++/* ++ * Broadwell EP Home Agent BARs erroneously return non-zero values when read. ++ * ++ * See http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v4-spec-update.html ++ * entry BDF2. ++ */ + static void pci_bdwep_bar(struct pci_dev *dev) + { + dev->non_compliant_bars = 1; + } ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_bdwep_bar); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_bdwep_bar); + DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_bdwep_bar); +diff --git a/arch/x86/um/setjmp_32.S b/arch/x86/um/setjmp_32.S +index b766792c9933..39053192918d 100644 +--- a/arch/x86/um/setjmp_32.S ++++ b/arch/x86/um/setjmp_32.S +@@ -16,9 +16,9 @@ + + .text + .align 4 +- .globl setjmp +- .type setjmp, @function +-setjmp: ++ .globl kernel_setjmp ++ .type kernel_setjmp, @function ++kernel_setjmp: + #ifdef _REGPARM + movl %eax,%edx + #else +@@ -35,13 +35,13 @@ setjmp: + movl %ecx,20(%edx) # Return address + ret + +- .size setjmp,.-setjmp ++ .size kernel_setjmp,.-kernel_setjmp + + .text + .align 4 +- .globl longjmp +- .type longjmp, @function +-longjmp: ++ .globl kernel_longjmp ++ .type kernel_longjmp, @function ++kernel_longjmp: + #ifdef _REGPARM + xchgl %eax,%edx + #else +@@ -55,4 +55,4 @@ longjmp: + movl 16(%edx),%edi + jmp *20(%edx) + +- .size longjmp,.-longjmp ++ .size kernel_longjmp,.-kernel_longjmp +diff --git a/arch/x86/um/setjmp_64.S b/arch/x86/um/setjmp_64.S +index 45f547b4043e..c56942e1a38c 100644 +--- a/arch/x86/um/setjmp_64.S ++++ b/arch/x86/um/setjmp_64.S +@@ -18,9 +18,9 @@ + + .text + .align 4 +- .globl setjmp +- .type setjmp, @function +-setjmp: ++ .globl kernel_setjmp ++ .type kernel_setjmp, @function ++kernel_setjmp: + pop %rsi # Return address, and adjust the stack + xorl %eax,%eax # Return value + movq %rbx,(%rdi) +@@ -34,13 +34,13 @@ setjmp: + movq %rsi,56(%rdi) # Return address + ret + +- .size setjmp,.-setjmp ++ .size kernel_setjmp,.-kernel_setjmp + + .text + .align 4 +- .globl longjmp +- .type longjmp, @function +-longjmp: ++ .globl kernel_longjmp ++ .type kernel_longjmp, @function ++kernel_longjmp: + movl %esi,%eax # Return value (int) + movq (%rdi),%rbx + movq 8(%rdi),%rsp +@@ -51,4 +51,4 @@ longjmp: + movq 48(%rdi),%r15 + jmp *56(%rdi) + +- .size longjmp,.-longjmp ++ .size kernel_longjmp,.-kernel_longjmp +diff --git a/crypto/shash.c b/crypto/shash.c +index 5444b429e35d..4f89f78031e2 100644 +--- a/crypto/shash.c ++++ b/crypto/shash.c +@@ -41,7 +41,7 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key, + int err; + + absize = keylen + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)); +- buffer = kmalloc(absize, GFP_KERNEL); ++ buffer = kmalloc(absize, GFP_ATOMIC); + if (!buffer) + return -ENOMEM; + +diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c +index 34fdaa6e99ba..5f1f049063dd 100644 +--- a/drivers/ata/ahci.c ++++ b/drivers/ata/ahci.c +@@ -619,8 +619,11 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev, + static int ahci_pci_reset_controller(struct ata_host *host) + { + struct pci_dev *pdev = to_pci_dev(host->dev); ++ int rc; + +- ahci_reset_controller(host); ++ rc = ahci_reset_controller(host); ++ if (rc) ++ return rc; + + if (pdev->vendor == PCI_VENDOR_ID_INTEL) { + struct ahci_host_priv *hpriv = host->private_data; +diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c +index e759100e41a7..28894878dcd5 100644 +--- a/drivers/char/tpm/tpm-chip.c ++++ b/drivers/char/tpm/tpm-chip.c +@@ -230,7 +230,11 @@ struct tpm_chip *tpmm_chip_alloc(struct device *dev, + chip->cdev.owner = dev->driver->owner; + chip->cdev.kobj.parent = &chip->dev.kobj; + +- devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev); ++ rc = devm_add_action(dev, (void (*)(void *)) put_device, &chip->dev); ++ if (rc) { ++ put_device(&chip->dev); ++ return ERR_PTR(rc); ++ } + + return chip; + } +diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c +index 848b93ee930f..64a2e02b87d7 100644 +--- a/drivers/devfreq/tegra-devfreq.c ++++ b/drivers/devfreq/tegra-devfreq.c +@@ -688,9 +688,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev) + } + + irq = platform_get_irq(pdev, 0); +- if (irq <= 0) { +- dev_err(&pdev->dev, "Failed to get IRQ\n"); +- return -ENODEV; ++ if (irq < 0) { ++ dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq); ++ return irq; + } + + platform_set_drvdata(pdev, tegra); +diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c +index 22523aae8abe..3abf066f93d3 100644 +--- a/drivers/gpio/gpio-msic.c ++++ b/drivers/gpio/gpio-msic.c +@@ -266,8 +266,8 @@ static int platform_msic_gpio_probe(struct platform_device *pdev) + int i; + + if (irq < 0) { +- dev_err(dev, "no IRQ line\n"); +- return -EINVAL; ++ dev_err(dev, "no IRQ line: %d\n", irq); ++ return irq; + } + + if (!pdata || !pdata->gpio_base) { +diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c +index e40a1b07a014..343476d15726 100644 +--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c ++++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c +@@ -235,7 +235,7 @@ void + nouveau_fbcon_accel_save_disable(struct drm_device *dev) + { + struct nouveau_drm *drm = nouveau_drm(dev); +- if (drm->fbcon) { ++ if (drm->fbcon && drm->fbcon->helper.fbdev) { + drm->fbcon->saved_flags = drm->fbcon->helper.fbdev->flags; + drm->fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; + } +@@ -245,7 +245,7 @@ void + nouveau_fbcon_accel_restore(struct drm_device *dev) + { + struct nouveau_drm *drm = nouveau_drm(dev); +- if (drm->fbcon) { ++ if (drm->fbcon && drm->fbcon->helper.fbdev) { + drm->fbcon->helper.fbdev->flags = drm->fbcon->saved_flags; + } + } +@@ -257,7 +257,8 @@ nouveau_fbcon_accel_fini(struct drm_device *dev) + struct nouveau_fbdev *fbcon = drm->fbcon; + if (fbcon && drm->channel) { + console_lock(); +- fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; ++ if (fbcon->helper.fbdev) ++ fbcon->helper.fbdev->flags |= FBINFO_HWACCEL_DISABLED; + console_unlock(); + nouveau_channel_idle(drm->channel); + nvif_object_fini(&fbcon->twod); +diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c +index 53d3d1d45b48..ce1b10a2ae85 100644 +--- a/drivers/gpu/host1x/dev.c ++++ b/drivers/gpu/host1x/dev.c +@@ -116,8 +116,8 @@ static int host1x_probe(struct platform_device *pdev) + + syncpt_irq = platform_get_irq(pdev, 0); + if (syncpt_irq < 0) { +- dev_err(&pdev->dev, "failed to get IRQ\n"); +- return -ENXIO; ++ dev_err(&pdev->dev, "failed to get IRQ: %d\n", syncpt_irq); ++ return syncpt_irq; + } + + host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); +diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c +index 564adf3116e8..4b3a00855f52 100644 +--- a/drivers/infiniband/core/ucm.c ++++ b/drivers/infiniband/core/ucm.c +@@ -46,6 +46,8 @@ + #include <linux/mutex.h> + #include <linux/slab.h> + ++#include <linux/nospec.h> ++ + #include <asm/uaccess.h> + + #include <rdma/ib.h> +@@ -1115,6 +1117,7 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, + + if (hdr.cmd >= ARRAY_SIZE(ucm_cmd_table)) + return -EINVAL; ++ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucm_cmd_table)); + + if (hdr.in + sizeof(hdr) > len) + return -EINVAL; +diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c +index 7525e9f6949e..3e4d3d5560bf 100644 +--- a/drivers/infiniband/core/ucma.c ++++ b/drivers/infiniband/core/ucma.c +@@ -44,6 +44,8 @@ + #include <linux/module.h> + #include <linux/nsproxy.h> + ++#include <linux/nospec.h> ++ + #include <rdma/rdma_user_cm.h> + #include <rdma/ib_marshall.h> + #include <rdma/rdma_cm.h> +@@ -1627,6 +1629,7 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf, + + if (hdr.cmd >= ARRAY_SIZE(ucma_cmd_table)) + return -EINVAL; ++ hdr.cmd = array_index_nospec(hdr.cmd, ARRAY_SIZE(ucma_cmd_table)); + + if (hdr.in + sizeof(hdr) > len) + return -EINVAL; +diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c +index a716482774db..b3119589a444 100644 +--- a/drivers/input/mouse/elan_i2c_core.c ++++ b/drivers/input/mouse/elan_i2c_core.c +@@ -1251,6 +1251,7 @@ static const struct acpi_device_id elan_acpi_id[] = { + { "ELAN0611", 0 }, + { "ELAN0612", 0 }, + { "ELAN0618", 0 }, ++ { "ELAN061C", 0 }, + { "ELAN061D", 0 }, + { "ELAN0622", 0 }, + { "ELAN1000", 0 }, +diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c +index 74bf1a17ae7c..b90776ef56ec 100644 +--- a/drivers/isdn/gigaset/ser-gigaset.c ++++ b/drivers/isdn/gigaset/ser-gigaset.c +@@ -373,13 +373,7 @@ static void gigaset_freecshw(struct cardstate *cs) + + static void gigaset_device_release(struct device *dev) + { +- struct cardstate *cs = dev_get_drvdata(dev); +- +- if (!cs) +- return; +- dev_set_drvdata(dev, NULL); +- kfree(cs->hw.ser); +- cs->hw.ser = NULL; ++ kfree(container_of(dev, struct ser_cardstate, dev.dev)); + } + + /* +@@ -408,7 +402,6 @@ static int gigaset_initcshw(struct cardstate *cs) + cs->hw.ser = NULL; + return rc; + } +- dev_set_drvdata(&cs->hw.ser->dev.dev, cs); + + tasklet_init(&cs->write_tasklet, + gigaset_modem_fill, (unsigned long) cs); +diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c +index cafc34938a79..91d709efef7a 100644 +--- a/drivers/media/usb/usbvision/usbvision-video.c ++++ b/drivers/media/usb/usbvision/usbvision-video.c +@@ -1461,13 +1461,6 @@ static int usbvision_probe(struct usb_interface *intf, + printk(KERN_INFO "%s: %s found\n", __func__, + usbvision_device_data[model].model_string); + +- /* +- * this is a security check. +- * an exploit using an incorrect bInterfaceNumber is known +- */ +- if (ifnum >= USB_MAXINTERFACES || !dev->actconfig->interface[ifnum]) +- return -ENODEV; +- + if (usbvision_device_data[model].interface >= 0) + interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0]; + else if (ifnum < dev->actconfig->desc.bNumInterfaces) +diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c +index e6e4bacb09ee..12099b09a9a7 100644 +--- a/drivers/mfd/db8500-prcmu.c ++++ b/drivers/mfd/db8500-prcmu.c +@@ -2048,6 +2048,7 @@ int db8500_prcmu_config_hotmon(u8 low, u8 high) + + return 0; + } ++EXPORT_SYMBOL_GPL(db8500_prcmu_config_hotmon); + + static int config_hot_period(u16 val) + { +@@ -2074,11 +2075,13 @@ int db8500_prcmu_start_temp_sense(u16 cycles32k) + + return config_hot_period(cycles32k); + } ++EXPORT_SYMBOL_GPL(db8500_prcmu_start_temp_sense); + + int db8500_prcmu_stop_temp_sense(void) + { + return config_hot_period(0xFFFF); + } ++EXPORT_SYMBOL_GPL(db8500_prcmu_stop_temp_sense); + + static int prcmu_a9wdog(u8 cmd, u8 d0, u8 d1, u8 d2, u8 d3) + { +diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c +index 64d6f053c2a5..276998ea0267 100644 +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -708,6 +708,12 @@ static const struct flash_info spi_nor_ids[] = { + + /* ISSI */ + { "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) }, ++ { "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, ++ { "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, ++ { "is25wp128", INFO(0x9d7018, 0, 64 * 1024, 256, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + + /* Macronix */ + { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) }, +diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c +index 78da1b7b4d86..a32dcb6718ca 100644 +--- a/drivers/net/bonding/bond_main.c ++++ b/drivers/net/bonding/bond_main.c +@@ -1107,11 +1107,11 @@ static void bond_compute_features(struct bonding *bond) + gso_max_size = min(gso_max_size, slave->dev->gso_max_size); + gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs); + } ++ bond_dev->hard_header_len = max_hard_header_len; + + done: + bond_dev->vlan_features = vlan_features; + bond_dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL; +- bond_dev->hard_header_len = max_hard_header_len; + bond_dev->gso_max_segs = gso_max_segs; + netif_set_gso_max_size(bond_dev, gso_max_size); + +diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +index 7ae8374bff13..3dd4c39640dc 100644 +--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c ++++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +@@ -2147,6 +2147,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EPERM; + if (copy_from_user(&t, useraddr, sizeof(t))) + return -EFAULT; ++ if (t.cmd != CHELSIO_SET_QSET_PARAMS) ++ return -EINVAL; + if (t.qset_idx >= SGE_QSETS) + return -EINVAL; + if (!in_range(t.intr_lat, 0, M_NEWTIMER) || +@@ -2246,6 +2248,9 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + if (copy_from_user(&t, useraddr, sizeof(t))) + return -EFAULT; + ++ if (t.cmd != CHELSIO_GET_QSET_PARAMS) ++ return -EINVAL; ++ + /* Display qsets for all ports when offload enabled */ + if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) { + q1 = 0; +@@ -2291,6 +2296,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EBUSY; + if (copy_from_user(&edata, useraddr, sizeof(edata))) + return -EFAULT; ++ if (edata.cmd != CHELSIO_SET_QSET_NUM) ++ return -EINVAL; + if (edata.val < 1 || + (edata.val > 1 && !(adapter->flags & USING_MSIX))) + return -EINVAL; +@@ -2331,6 +2338,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EPERM; + if (copy_from_user(&t, useraddr, sizeof(t))) + return -EFAULT; ++ if (t.cmd != CHELSIO_LOAD_FW) ++ return -EINVAL; + /* Check t.len sanity ? */ + fw_data = memdup_user(useraddr + sizeof(t), t.len); + if (IS_ERR(fw_data)) +@@ -2354,6 +2363,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EBUSY; + if (copy_from_user(&m, useraddr, sizeof(m))) + return -EFAULT; ++ if (m.cmd != CHELSIO_SETMTUTAB) ++ return -EINVAL; + if (m.nmtus != NMTUS) + return -EINVAL; + if (m.mtus[0] < 81) /* accommodate SACK */ +@@ -2395,6 +2406,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EBUSY; + if (copy_from_user(&m, useraddr, sizeof(m))) + return -EFAULT; ++ if (m.cmd != CHELSIO_SET_PM) ++ return -EINVAL; + if (!is_power_of_2(m.rx_pg_sz) || + !is_power_of_2(m.tx_pg_sz)) + return -EINVAL; /* not power of 2 */ +@@ -2428,6 +2441,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EIO; /* need the memory controllers */ + if (copy_from_user(&t, useraddr, sizeof(t))) + return -EFAULT; ++ if (t.cmd != CHELSIO_GET_MEM) ++ return -EINVAL; + if ((t.addr & 7) || (t.len & 7)) + return -EINVAL; + if (t.mem_id == MEM_CM) +@@ -2480,6 +2495,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr) + return -EAGAIN; + if (copy_from_user(&t, useraddr, sizeof(t))) + return -EFAULT; ++ if (t.cmd != CHELSIO_SET_TRACE_FILTER) ++ return -EINVAL; + + tp = (const struct trace_params *)&t.sip; + if (t.config_tx) +diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c +index f3f3b95d5512..97bf0c3d5c69 100644 +--- a/drivers/net/ethernet/intel/igb/e1000_82575.c ++++ b/drivers/net/ethernet/intel/igb/e1000_82575.c +@@ -223,17 +223,6 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw) + hw->bus.func = (rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) >> + E1000_STATUS_FUNC_SHIFT; + +- /* Make sure the PHY is in a good state. Several people have reported +- * firmware leaving the PHY's page select register set to something +- * other than the default of zero, which causes the PHY ID read to +- * access something other than the intended register. +- */ +- ret_val = hw->phy.ops.reset(hw); +- if (ret_val) { +- hw_dbg("Error resetting the PHY.\n"); +- goto out; +- } +- + /* Set phy->phy_addr and phy->id. */ + ret_val = igb_get_phy_id_82575(hw); + if (ret_val) +diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h +index 1d2174526a4c..18e4e4a69262 100644 +--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h ++++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h +@@ -312,7 +312,7 @@ enum ixgbe_ring_f_enum { + }; + + #define IXGBE_MAX_RSS_INDICES 16 +-#define IXGBE_MAX_RSS_INDICES_X550 64 ++#define IXGBE_MAX_RSS_INDICES_X550 63 + #define IXGBE_MAX_VMDQ_INDICES 64 + #define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */ + #define IXGBE_MAX_FCOE_INDICES 8 +diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +index 995f03107eac..04bc4df82fa7 100644 +--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h ++++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +@@ -3508,7 +3508,7 @@ struct ixgbe_info { + + #define IXGBE_FUSES0_GROUP(_i) (0x11158 + ((_i) * 4)) + #define IXGBE_FUSES0_300MHZ BIT(5) +-#define IXGBE_FUSES0_REV1 BIT(6) ++#define IXGBE_FUSES0_REV_MASK (3 << 6) + + #define IXGBE_KRM_PORT_CAR_GEN_CTRL(P) ((P) ? 0x8010 : 0x4010) + #define IXGBE_KRM_LINK_CTRL_1(P) ((P) ? 0x820C : 0x420C) +diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +index a75f2e3ce86f..ffd2e74e5638 100644 +--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c ++++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +@@ -1873,10 +1873,6 @@ static s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) + u32 save_autoneg; + bool link_up; + +- /* SW LPLU not required on later HW revisions. */ +- if (IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))) +- return 0; +- + /* If blocked by MNG FW, then don't restart AN */ + if (ixgbe_check_reset_blocked(hw)) + return 0; +@@ -2030,8 +2026,9 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) + } + + /* setup SW LPLU only for first revision */ +- if (!(IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, +- IXGBE_FUSES0_GROUP(0)))) ++ if (hw->mac.type == ixgbe_mac_X550EM_x && ++ !(IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0)) & ++ IXGBE_FUSES0_REV_MASK)) + phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em; + + phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em; +diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +index 50bbad37d640..723bda33472a 100644 +--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c ++++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +@@ -1014,6 +1014,8 @@ static int ixgbevf_poll(struct napi_struct *napi, int budget) + ixgbevf_for_each_ring(ring, q_vector->tx) + clean_complete &= ixgbevf_clean_tx_irq(q_vector, ring); + ++ if (budget <= 0) ++ return budget; + #ifdef CONFIG_NET_RX_BUSY_POLL + if (!ixgbevf_qv_lock_napi(q_vector)) + return budget; +diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c +index 4dccf7287f0f..52e4ed2f639d 100644 +--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c ++++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c +@@ -251,8 +251,11 @@ static u32 freq_to_shift(u16 freq) + { + u32 freq_khz = freq * 1000; + u64 max_val_cycles = freq_khz * 1000 * MLX4_EN_WRAP_AROUND_SEC; ++ u64 tmp_rounded = ++ roundup_pow_of_two(max_val_cycles) > max_val_cycles ? ++ roundup_pow_of_two(max_val_cycles) - 1 : UINT_MAX; + u64 max_val_cycles_rounded = is_power_of_2(max_val_cycles + 1) ? +- max_val_cycles : roundup_pow_of_two(max_val_cycles) - 1; ++ max_val_cycles : tmp_rounded; + /* calculate max possible multiplier in order to fit in 64bit */ + u64 max_mul = div_u64(0xffffffffffffffffULL, max_val_cycles_rounded); + +diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h +index 22e72bf1ae48..7a716733d9ca 100644 +--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h ++++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h +@@ -586,6 +586,8 @@ int mlx5e_redirect_rqt(struct mlx5e_priv *priv, enum mlx5e_rqt_ix rqt_ix); + + int mlx5e_open_locked(struct net_device *netdev); + int mlx5e_close_locked(struct net_device *netdev); ++void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len, ++ int num_channels); + + static inline void mlx5e_tx_notify_hw(struct mlx5e_sq *sq, + struct mlx5e_tx_wqe *wqe, int bf_sz) +diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +index 7cc9df717323..7ee301310817 100644 +--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c ++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +@@ -385,6 +385,8 @@ static int mlx5e_set_channels(struct net_device *dev, + mlx5e_close_locked(dev); + + priv->params.num_channels = count; ++ mlx5e_build_default_indir_rqt(priv->params.indirection_rqt, ++ MLX5E_INDIR_RQT_SIZE, count); + + if (was_opened) + err = mlx5e_open_locked(dev); +diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +index 90e876ecc720..26d25ecdca7e 100644 +--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c ++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +@@ -1186,7 +1186,6 @@ static void mlx5e_fill_indir_rqt_rqns(struct mlx5e_priv *priv, void *rqtc) + ix = mlx5e_bits_invert(i, MLX5E_LOG_INDIR_RQT_SIZE); + + ix = priv->params.indirection_rqt[ix]; +- ix = ix % priv->params.num_channels; + MLX5_SET(rqtc, rqtc, rq_num[i], + test_bit(MLX5E_STATE_OPENED, &priv->state) ? + priv->channel[ix]->rq.rqn : +@@ -1304,7 +1303,7 @@ static void mlx5e_build_tir_ctx_lro(void *tirc, struct mlx5e_priv *priv) + lro_timer_supported_periods[2])); + } + +-static int mlx5e_modify_tir_lro(struct mlx5e_priv *priv, int tt) ++static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) + { + struct mlx5_core_dev *mdev = priv->mdev; + +@@ -1312,6 +1311,7 @@ static int mlx5e_modify_tir_lro(struct mlx5e_priv *priv, int tt) + void *tirc; + int inlen; + int err; ++ int tt; + + inlen = MLX5_ST_SZ_BYTES(modify_tir_in); + in = mlx5_vzalloc(inlen); +@@ -1323,7 +1323,11 @@ static int mlx5e_modify_tir_lro(struct mlx5e_priv *priv, int tt) + + mlx5e_build_tir_ctx_lro(tirc, priv); + +- err = mlx5_core_modify_tir(mdev, priv->tirn[tt], in, inlen); ++ for (tt = 0; tt < MLX5E_NUM_TT; tt++) { ++ err = mlx5_core_modify_tir(mdev, priv->tirn[tt], in, inlen); ++ if (err) ++ break; ++ } + + kvfree(in); + +@@ -1870,8 +1874,10 @@ static int mlx5e_set_features(struct net_device *netdev, + mlx5e_close_locked(priv->netdev); + + priv->params.lro_en = !!(features & NETIF_F_LRO); +- mlx5e_modify_tir_lro(priv, MLX5E_TT_IPV4_TCP); +- mlx5e_modify_tir_lro(priv, MLX5E_TT_IPV6_TCP); ++ err = mlx5e_modify_tirs_lro(priv); ++ if (err) ++ mlx5_core_warn(priv->mdev, "lro modify failed, %d\n", ++ err); + + if (was_opened) + err = mlx5e_open_locked(priv->netdev); +@@ -1976,12 +1982,20 @@ u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev) + 2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/; + } + ++void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len, ++ int num_channels) ++{ ++ int i; ++ ++ for (i = 0; i < len; i++) ++ indirection_rqt[i] = i % num_channels; ++} ++ + static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev, + struct net_device *netdev, + int num_channels) + { + struct mlx5e_priv *priv = netdev_priv(netdev); +- int i; + + priv->params.log_sq_size = + MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; +@@ -2005,8 +2019,8 @@ static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev, + netdev_rss_key_fill(priv->params.toeplitz_hash_key, + sizeof(priv->params.toeplitz_hash_key)); + +- for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) +- priv->params.indirection_rqt[i] = i % num_channels; ++ mlx5e_build_default_indir_rqt(priv->params.indirection_rqt, ++ MLX5E_INDIR_RQT_SIZE, num_channels); + + priv->params.lro_wqe_sz = + MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; +diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c +index c6782ebd35e1..93543e176829 100644 +--- a/drivers/net/ethernet/realtek/r8169.c ++++ b/drivers/net/ethernet/realtek/r8169.c +@@ -7540,17 +7540,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget) + struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); + struct net_device *dev = tp->dev; + u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow; +- int work_done= 0; ++ int work_done; + u16 status; + + status = rtl_get_events(tp); + rtl_ack_events(tp, status & ~tp->event_slow); + +- if (status & RTL_EVENT_NAPI_RX) +- work_done = rtl_rx(dev, tp, (u32) budget); ++ work_done = rtl_rx(dev, tp, (u32) budget); + +- if (status & RTL_EVENT_NAPI_TX) +- rtl_tx(dev, tp); ++ rtl_tx(dev, tp); + + if (status & tp->event_slow) { + enable_mask &= ~tp->event_slow; +diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +index bba670c42e37..90d95b3654f5 100644 +--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c ++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +@@ -130,7 +130,7 @@ static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg, + */ + int stmmac_mdio_reset(struct mii_bus *bus) + { +-#if defined(CONFIG_STMMAC_PLATFORM) ++#if IS_ENABLED(CONFIG_STMMAC_PLATFORM) + struct net_device *ndev = bus->priv; + struct stmmac_priv *priv = netdev_priv(ndev); + unsigned int mii_address = priv->hw->mii.addr; +diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c +index 7fbd8f044207..2092ef6431f2 100644 +--- a/drivers/net/usb/asix_common.c ++++ b/drivers/net/usb/asix_common.c +@@ -449,6 +449,9 @@ int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) + struct usbnet *dev = netdev_priv(net); + u8 opt = 0; + ++ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) ++ return -EINVAL; ++ + if (wolinfo->wolopts & WAKE_PHY) + opt |= AX_MONITOR_LINK; + if (wolinfo->wolopts & WAKE_MAGIC) +diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c +index e6338c16081a..e3f2e6098db4 100644 +--- a/drivers/net/usb/ax88179_178a.c ++++ b/drivers/net/usb/ax88179_178a.c +@@ -566,6 +566,9 @@ ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) + struct usbnet *dev = netdev_priv(net); + u8 opt = 0; + ++ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) ++ return -EINVAL; ++ + if (wolinfo->wolopts & WAKE_PHY) + opt |= AX_MONITOR_MODE_RWLC; + if (wolinfo->wolopts & WAKE_MAGIC) +diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c +index 1aede726052c..45a6a7cae4bf 100644 +--- a/drivers/net/usb/lan78xx.c ++++ b/drivers/net/usb/lan78xx.c +@@ -1051,19 +1051,10 @@ static int lan78xx_set_wol(struct net_device *netdev, + if (ret < 0) + return ret; + +- pdata->wol = 0; +- if (wol->wolopts & WAKE_UCAST) +- pdata->wol |= WAKE_UCAST; +- if (wol->wolopts & WAKE_MCAST) +- pdata->wol |= WAKE_MCAST; +- if (wol->wolopts & WAKE_BCAST) +- pdata->wol |= WAKE_BCAST; +- if (wol->wolopts & WAKE_MAGIC) +- pdata->wol |= WAKE_MAGIC; +- if (wol->wolopts & WAKE_PHY) +- pdata->wol |= WAKE_PHY; +- if (wol->wolopts & WAKE_ARP) +- pdata->wol |= WAKE_ARP; ++ if (wol->wolopts & ~WAKE_ALL) ++ return -EINVAL; ++ ++ pdata->wol = wol->wolopts; + + device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts); + +diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c +index 2bb336cb13ee..2d83689374bb 100644 +--- a/drivers/net/usb/r8152.c ++++ b/drivers/net/usb/r8152.c +@@ -3663,6 +3663,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) + if (!rtl_can_wakeup(tp)) + return -EOPNOTSUPP; + ++ if (wol->wolopts & ~WAKE_ANY) ++ return -EINVAL; ++ + ret = usb_autopm_get_interface(tp->intf); + if (ret < 0) + goto out_set_wol; +diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c +index 8dbe086e0a96..234febc6e1d9 100644 +--- a/drivers/net/usb/smsc75xx.c ++++ b/drivers/net/usb/smsc75xx.c +@@ -728,6 +728,9 @@ static int smsc75xx_ethtool_set_wol(struct net_device *net, + struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]); + int ret; + ++ if (wolinfo->wolopts & ~SUPPORTED_WAKE) ++ return -EINVAL; ++ + pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE; + + ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts); +diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c +index 66b3ab9f614e..7cee7777d13f 100644 +--- a/drivers/net/usb/smsc95xx.c ++++ b/drivers/net/usb/smsc95xx.c +@@ -727,6 +727,9 @@ static int smsc95xx_ethtool_set_wol(struct net_device *net, + struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); + int ret; + ++ if (wolinfo->wolopts & ~SUPPORTED_WAKE) ++ return -EINVAL; ++ + pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE; + + ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts); +diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c +index a50df0d8fb9a..004c955c1fd1 100644 +--- a/drivers/net/usb/sr9800.c ++++ b/drivers/net/usb/sr9800.c +@@ -421,6 +421,9 @@ sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) + struct usbnet *dev = netdev_priv(net); + u8 opt = 0; + ++ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC)) ++ return -EINVAL; ++ + if (wolinfo->wolopts & WAKE_PHY) + opt |= SR_MONITOR_LINK; + if (wolinfo->wolopts & WAKE_MAGIC) +diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +index 91da67657f81..72e1796c8167 100644 +--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +@@ -705,7 +705,7 @@ done: + int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, + struct sk_buff_head *pktq, uint totlen) + { +- struct sk_buff *glom_skb; ++ struct sk_buff *glom_skb = NULL; + struct sk_buff *skb; + u32 addr = sdiodev->sbwad; + int err = 0; +@@ -726,10 +726,8 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, + return -ENOMEM; + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr, + glom_skb); +- if (err) { +- brcmu_pkt_buf_free_skb(glom_skb); ++ if (err) + goto done; +- } + + skb_queue_walk(pktq, skb) { + memcpy(skb->data, glom_skb->data, skb->len); +@@ -740,6 +738,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev, + pktq); + + done: ++ brcmu_pkt_buf_free_skb(glom_skb); + return err; + } + +diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c +index c98cb962b454..05413176a5d6 100644 +--- a/drivers/net/wireless/mac80211_hwsim.c ++++ b/drivers/net/wireless/mac80211_hwsim.c +@@ -2547,8 +2547,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info, + list_add_tail(&data->list, &hwsim_radios); + spin_unlock_bh(&hwsim_radio_lock); + +- if (idx > 0) +- hwsim_mcast_new_radio(idx, info, param); ++ hwsim_mcast_new_radio(idx, info, param); + + return idx; + +diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c +index d877ff124365..4eb254a273f8 100644 +--- a/drivers/ptp/ptp_chardev.c ++++ b/drivers/ptp/ptp_chardev.c +@@ -23,6 +23,8 @@ + #include <linux/sched.h> + #include <linux/slab.h> + ++#include <linux/nospec.h> ++ + #include "ptp_private.h" + + static int ptp_disable_pinfunc(struct ptp_clock_info *ops, +@@ -224,6 +226,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) + err = -EINVAL; + break; + } ++ pin_index = array_index_nospec(pin_index, ops->n_pins); + if (mutex_lock_interruptible(&ptp->pincfg_mux)) + return -ERESTARTSYS; + pd = ops->pin_config[pin_index]; +@@ -242,6 +245,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg) + err = -EINVAL; + break; + } ++ pin_index = array_index_nospec(pin_index, ops->n_pins); + if (mutex_lock_interruptible(&ptp->pincfg_mux)) + return -ERESTARTSYS; + err = ptp_set_pinfunc(ptp, pin_index, pd.func, pd.chan); +diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c +index 8da8b46da722..1c447405ebbf 100644 +--- a/drivers/scsi/aacraid/linit.c ++++ b/drivers/scsi/aacraid/linit.c +@@ -1416,8 +1416,8 @@ static int aac_acquire_resources(struct aac_dev *dev) + /* After EEH recovery or suspend resume, max_msix count + * may change, therfore updating in init as well. + */ +- aac_adapter_start(dev); + dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix); ++ aac_adapter_start(dev); + } + return 0; + +diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c +index e415e1c58eb5..cf3ac0654a3a 100644 +--- a/drivers/scsi/aacraid/src.c ++++ b/drivers/scsi/aacraid/src.c +@@ -444,7 +444,7 @@ err_out: + return -1; + + err_blink: +- return (status > 16) & 0xFF; ++ return (status >> 16) & 0xFF; + } + + /** +diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c +index 692445bcca6f..850ddc5fac04 100644 +--- a/drivers/scsi/scsi_scan.c ++++ b/drivers/scsi/scsi_scan.c +@@ -381,11 +381,12 @@ static void scsi_target_reap_ref_release(struct kref *kref) + = container_of(kref, struct scsi_target, reap_ref); + + /* +- * if we get here and the target is still in the CREATED state that ++ * if we get here and the target is still in a CREATED state that + * means it was allocated but never made visible (because a scan + * turned up no LUNs), so don't call device_del() on it. + */ +- if (starget->state != STARGET_CREATED) { ++ if ((starget->state != STARGET_CREATED) && ++ (starget->state != STARGET_CREATED_REMOVE)) { + transport_remove_device(&starget->dev); + device_del(&starget->dev); + } +diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c +index 8db0c48943d6..085e470d1c49 100644 +--- a/drivers/scsi/scsi_sysfs.c ++++ b/drivers/scsi/scsi_sysfs.c +@@ -1212,11 +1212,15 @@ restart: + spin_lock_irqsave(shost->host_lock, flags); + list_for_each_entry(starget, &shost->__targets, siblings) { + if (starget->state == STARGET_DEL || +- starget->state == STARGET_REMOVE) ++ starget->state == STARGET_REMOVE || ++ starget->state == STARGET_CREATED_REMOVE) + continue; + if (starget->dev.parent == dev || &starget->dev == dev) { + kref_get(&starget->reap_ref); +- starget->state = STARGET_REMOVE; ++ if (starget->state == STARGET_CREATED) ++ starget->state = STARGET_CREATED_REMOVE; ++ else ++ starget->state = STARGET_REMOVE; + spin_unlock_irqrestore(shost->host_lock, flags); + __scsi_remove_target(starget); + scsi_target_reap(starget); +diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c +index 55789f7cda92..645f428ad0a2 100644 +--- a/drivers/spi/spi-bcm63xx-hsspi.c ++++ b/drivers/spi/spi-bcm63xx-hsspi.c +@@ -336,8 +336,8 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev) + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(dev, "no irq\n"); +- return -ENXIO; ++ dev_err(dev, "no irq: %d\n", irq); ++ return irq; + } + + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); +diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c +index bf9a610e5b89..f14500910bc2 100644 +--- a/drivers/spi/spi-bcm63xx.c ++++ b/drivers/spi/spi-bcm63xx.c +@@ -496,8 +496,8 @@ static int bcm63xx_spi_probe(struct platform_device *pdev) + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(dev, "no irq\n"); +- return -ENXIO; ++ dev_err(dev, "no irq: %d\n", irq); ++ return irq; + } + + clk = devm_clk_get(dev, "spi"); +diff --git a/drivers/spi/spi-xlp.c b/drivers/spi/spi-xlp.c +index 8f04feca6ee3..0ddb0adaa8aa 100644 +--- a/drivers/spi/spi-xlp.c ++++ b/drivers/spi/spi-xlp.c +@@ -392,8 +392,8 @@ static int xlp_spi_probe(struct platform_device *pdev) + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(&pdev->dev, "no IRQ resource found\n"); +- return -EINVAL; ++ dev_err(&pdev->dev, "no IRQ resource found: %d\n", irq); ++ return irq; + } + err = devm_request_irq(&pdev->dev, irq, xlp_spi_interrupt, 0, + pdev->name, xspi); +diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig +index 4b660b5beb98..1def65d2f0b5 100644 +--- a/drivers/thermal/Kconfig ++++ b/drivers/thermal/Kconfig +@@ -195,7 +195,7 @@ config IMX_THERMAL + passive trip is crossed. + + config SPEAR_THERMAL +- bool "SPEAr thermal sensor driver" ++ tristate "SPEAr thermal sensor driver" + depends on PLAT_SPEAR || COMPILE_TEST + depends on OF + help +@@ -237,8 +237,8 @@ config DOVE_THERMAL + framework. + + config DB8500_THERMAL +- bool "DB8500 thermal management" +- depends on ARCH_U8500 ++ tristate "DB8500 thermal management" ++ depends on MFD_DB8500_PRCMU + default y + help + Adds DB8500 thermal management implementation according to the thermal +diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c +index 9dbae01d41ce..1e302caaa450 100644 +--- a/drivers/tty/serial/sprd_serial.c ++++ b/drivers/tty/serial/sprd_serial.c +@@ -731,8 +731,8 @@ static int sprd_probe(struct platform_device *pdev) + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(&pdev->dev, "not provide irq resource\n"); +- return -ENODEV; ++ dev_err(&pdev->dev, "not provide irq resource: %d\n", irq); ++ return irq; + } + up->irq = irq; + +diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c +index a501f3ba6a3f..3cbf6aa10f2c 100644 +--- a/drivers/usb/class/cdc-acm.c ++++ b/drivers/usb/class/cdc-acm.c +@@ -332,17 +332,17 @@ static void acm_ctrl_irq(struct urb *urb) + + if (difference & ACM_CTRL_DSR) + acm->iocount.dsr++; +- if (difference & ACM_CTRL_BRK) +- acm->iocount.brk++; +- if (difference & ACM_CTRL_RI) +- acm->iocount.rng++; + if (difference & ACM_CTRL_DCD) + acm->iocount.dcd++; +- if (difference & ACM_CTRL_FRAMING) ++ if (newctrl & ACM_CTRL_BRK) ++ acm->iocount.brk++; ++ if (newctrl & ACM_CTRL_RI) ++ acm->iocount.rng++; ++ if (newctrl & ACM_CTRL_FRAMING) + acm->iocount.frame++; +- if (difference & ACM_CTRL_PARITY) ++ if (newctrl & ACM_CTRL_PARITY) + acm->iocount.parity++; +- if (difference & ACM_CTRL_OVERRUN) ++ if (newctrl & ACM_CTRL_OVERRUN) + acm->iocount.overrun++; + spin_unlock(&acm->read_lock); + +diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c +index 5e0af15aebc4..7559d96695da 100644 +--- a/drivers/usb/core/devio.c ++++ b/drivers/usb/core/devio.c +@@ -1329,8 +1329,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb + u = 0; + switch (uurb->type) { + case USBDEVFS_URB_TYPE_CONTROL: +- if (is_in) +- allow_short = true; + if (!usb_endpoint_xfer_control(&ep->desc)) + return -EINVAL; + /* min 8 byte setup packet */ +@@ -1360,6 +1358,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb + is_in = 0; + uurb->endpoint &= ~USB_DIR_IN; + } ++ if (is_in) ++ allow_short = true; + snoop(&ps->dev->dev, "control urb: bRequestType=%02x " + "bRequest=%02x wValue=%04x " + "wIndex=%04x wLength=%04x\n", +diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c +index 22e9606d8e08..9078af0ce06c 100644 +--- a/drivers/usb/dwc3/dwc3-omap.c ++++ b/drivers/usb/dwc3/dwc3-omap.c +@@ -469,8 +469,8 @@ static int dwc3_omap_probe(struct platform_device *pdev) + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(dev, "missing IRQ resource\n"); +- return -EINVAL; ++ dev_err(dev, "missing IRQ resource: %d\n", irq); ++ return irq; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); +diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c +index 4dd3c7672247..25488c89308a 100644 +--- a/drivers/usb/gadget/function/f_mass_storage.c ++++ b/drivers/usb/gadget/function/f_mass_storage.c +@@ -220,6 +220,8 @@ + #include <linux/usb/gadget.h> + #include <linux/usb/composite.h> + ++#include <linux/nospec.h> ++ + #include "configfs.h" + + +@@ -3260,6 +3262,7 @@ static struct config_group *fsg_lun_make(struct config_group *group, + fsg_opts = to_fsg_opts(&group->cg_item); + if (num >= FSG_MAX_LUNS) + return ERR_PTR(-ERANGE); ++ num = array_index_nospec(num, FSG_MAX_LUNS); + + mutex_lock(&fsg_opts->lock); + if (fsg_opts->refcnt || fsg_opts->common->luns[num]) { +diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c +index a24720beb39d..cccde8217f28 100644 +--- a/drivers/usb/host/ehci-omap.c ++++ b/drivers/usb/host/ehci-omap.c +@@ -130,8 +130,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(dev, "EHCI irq failed\n"); +- return -ENODEV; ++ dev_err(dev, "EHCI irq failed: %d\n", irq); ++ return irq; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); +diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c +index f542045dc2a6..e25d72e0527f 100644 +--- a/drivers/usb/host/imx21-hcd.c ++++ b/drivers/usb/host/imx21-hcd.c +@@ -1849,8 +1849,10 @@ static int imx21_probe(struct platform_device *pdev) + if (!res) + return -ENODEV; + irq = platform_get_irq(pdev, 0); +- if (irq < 0) +- return -ENXIO; ++ if (irq < 0) { ++ dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq); ++ return irq; ++ } + + hcd = usb_create_hcd(&imx21_hc_driver, + &pdev->dev, dev_name(&pdev->dev)); +diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c +index 02f86dd1a340..90a7bffe3484 100644 +--- a/drivers/usb/storage/transport.c ++++ b/drivers/usb/storage/transport.c +@@ -808,12 +808,24 @@ Retry_Sense: + if (result == USB_STOR_TRANSPORT_GOOD) { + srb->result = SAM_STAT_GOOD; + srb->sense_buffer[0] = 0x0; ++ } ++ ++ /* ++ * ATA-passthru commands use sense data to report ++ * the command completion status, and often devices ++ * return Check Condition status when nothing is ++ * wrong. ++ */ ++ else if (srb->cmnd[0] == ATA_16 || ++ srb->cmnd[0] == ATA_12) { ++ /* leave the data alone */ ++ } + + /* If there was a problem, report an unspecified + * hardware error to prevent the higher layers from + * entering an infinite retry loop. + */ +- } else { ++ else { + srb->result = DID_ERROR << 16; + if ((sshdr.response_code & 0x72) == 0x72) + srb->sense_buffer[1] = HARDWARE_ERROR; +diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c +index 675819a1af37..c54d388310f0 100644 +--- a/drivers/vhost/vhost.c ++++ b/drivers/vhost/vhost.c +@@ -27,6 +27,7 @@ + #include <linux/cgroup.h> + #include <linux/module.h> + #include <linux/sort.h> ++#include <linux/nospec.h> + + #include "vhost.h" + +@@ -748,6 +749,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp) + if (idx >= d->nvqs) + return -ENOBUFS; + ++ idx = array_index_nospec(idx, d->nvqs); + vq = d->vqs[idx]; + + mutex_lock(&vq->mutex); +diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c +index efb57c059997..5190b1749e2a 100644 +--- a/drivers/video/fbdev/pxa168fb.c ++++ b/drivers/video/fbdev/pxa168fb.c +@@ -712,7 +712,7 @@ static int pxa168fb_probe(struct platform_device *pdev) + /* + * enable controller clock + */ +- clk_enable(fbi->clk); ++ clk_prepare_enable(fbi->clk); + + pxa168fb_set_par(info); + +@@ -767,7 +767,7 @@ static int pxa168fb_probe(struct platform_device *pdev) + failed_free_cmap: + fb_dealloc_cmap(&info->cmap); + failed_free_clk: +- clk_disable(fbi->clk); ++ clk_disable_unprepare(fbi->clk); + failed_free_fbmem: + dma_free_coherent(fbi->dev, info->fix.smem_len, + info->screen_base, fbi->fb_start_dma); +@@ -807,7 +807,7 @@ static int pxa168fb_remove(struct platform_device *pdev) + dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len), + info->screen_base, info->fix.smem_start); + +- clk_disable(fbi->clk); ++ clk_disable_unprepare(fbi->clk); + + framebuffer_release(info); + +diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c +index 50bce45e7f3d..933619da1a94 100644 +--- a/drivers/video/fbdev/pxa3xx-gcu.c ++++ b/drivers/video/fbdev/pxa3xx-gcu.c +@@ -626,8 +626,8 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev) + /* request the IRQ */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) { +- dev_err(dev, "no IRQ defined\n"); +- return -ENODEV; ++ dev_err(dev, "no IRQ defined: %d\n", irq); ++ return irq; + } + + ret = devm_request_irq(dev, irq, pxa3xx_gcu_handle_irq, +diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c +index ae6e3a30e61e..8dbb00fbb00b 100644 +--- a/fs/btrfs/disk-io.c ++++ b/fs/btrfs/disk-io.c +@@ -1608,8 +1608,8 @@ fail: + return ret; + } + +-static struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, +- u64 root_id) ++struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, ++ u64 root_id) + { + struct btrfs_root *root; + +diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h +index adeb31830b9c..3c9819403487 100644 +--- a/fs/btrfs/disk-io.h ++++ b/fs/btrfs/disk-io.h +@@ -68,6 +68,8 @@ struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info, + struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root, + struct btrfs_key *location); + int btrfs_init_fs_root(struct btrfs_root *root); ++struct btrfs_root *btrfs_lookup_fs_root(struct btrfs_fs_info *fs_info, ++ u64 root_id); + int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, + struct btrfs_root *root); + void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info); +diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c +index 2c849b08a91b..6a6efb26d52f 100644 +--- a/fs/btrfs/root-tree.c ++++ b/fs/btrfs/root-tree.c +@@ -272,6 +272,23 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) + root_key.objectid = key.offset; + key.offset++; + ++ /* ++ * The root might have been inserted already, as before we look ++ * for orphan roots, log replay might have happened, which ++ * triggers a transaction commit and qgroup accounting, which ++ * in turn reads and inserts fs roots while doing backref ++ * walking. ++ */ ++ root = btrfs_lookup_fs_root(tree_root->fs_info, ++ root_key.objectid); ++ if (root) { ++ WARN_ON(!test_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, ++ &root->state)); ++ if (btrfs_root_refs(&root->root_item) == 0) ++ btrfs_add_dead_root(root); ++ continue; ++ } ++ + root = btrfs_read_fs_root(tree_root, &root_key); + err = PTR_ERR_OR_ZERO(root); + if (err && err != -ENOENT) { +@@ -310,16 +327,8 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) + set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state); + + err = btrfs_insert_fs_root(root->fs_info, root); +- /* +- * The root might have been inserted already, as before we look +- * for orphan roots, log replay might have happened, which +- * triggers a transaction commit and qgroup accounting, which +- * in turn reads and inserts fs roots while doing backref +- * walking. +- */ +- if (err == -EEXIST) +- err = 0; + if (err) { ++ BUG_ON(err == -EEXIST); + btrfs_free_fs_root(root); + break; + } +diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c +index c43b4b08546b..a5f59eed8287 100644 +--- a/fs/cachefiles/namei.c ++++ b/fs/cachefiles/namei.c +@@ -317,7 +317,7 @@ try_again: + trap = lock_rename(cache->graveyard, dir); + + /* do some checks before getting the grave dentry */ +- if (rep->d_parent != dir) { ++ if (rep->d_parent != dir || IS_DEADDIR(d_inode(rep))) { + /* the entry was probably culled when we dropped the parent dir + * lock */ + unlock_rename(cache->graveyard, dir); +diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c +index 077ad3a06c9a..1eeb4780c3ed 100644 +--- a/fs/cifs/connect.c ++++ b/fs/cifs/connect.c +@@ -3674,6 +3674,9 @@ try_mount_again: + if (IS_ERR(tcon)) { + rc = PTR_ERR(tcon); + tcon = NULL; ++ if (rc == -EACCES) ++ goto mount_fail_check; ++ + goto remote_path_check; + } + +diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c +index a70e37c47a78..e3fc477728b3 100644 +--- a/fs/fat/fatent.c ++++ b/fs/fat/fatent.c +@@ -681,6 +681,7 @@ int fat_count_free_clusters(struct super_block *sb) + if (ops->ent_get(&fatent) == FAT_ENT_FREE) + free++; + } while (fat_ent_next(sbi, &fatent)); ++ cond_resched(); + } + sbi->free_clusters = free; + sbi->free_clus_valid = 1; +diff --git a/fs/fuse/file.c b/fs/fuse/file.c +index 8577f3ba6dc6..7014318f6d18 100644 +--- a/fs/fuse/file.c ++++ b/fs/fuse/file.c +@@ -625,7 +625,7 @@ static void fuse_aio_complete_req(struct fuse_conn *fc, struct fuse_req *req) + struct fuse_io_priv *io = req->io; + ssize_t pos = -1; + +- fuse_release_user_pages(req, !io->write); ++ fuse_release_user_pages(req, io->should_dirty); + + if (io->write) { + if (req->misc.write.in.size != req->misc.write.out.size) +@@ -1333,7 +1333,6 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, + loff_t *ppos, int flags) + { + int write = flags & FUSE_DIO_WRITE; +- bool should_dirty = !write && iter_is_iovec(iter); + int cuse = flags & FUSE_DIO_CUSE; + struct file *file = io->file; + struct inode *inode = file->f_mapping->host; +@@ -1362,6 +1361,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, + mutex_unlock(&inode->i_mutex); + } + ++ io->should_dirty = !write && iter_is_iovec(iter); + while (count) { + size_t nres; + fl_owner_t owner = current->files; +@@ -1378,7 +1378,7 @@ ssize_t fuse_direct_io(struct fuse_io_priv *io, struct iov_iter *iter, + nres = fuse_send_read(req, io, pos, nbytes, owner); + + if (!io->async) +- fuse_release_user_pages(req, should_dirty); ++ fuse_release_user_pages(req, io->should_dirty); + if (req->out.h.error) { + if (!res) + res = req->out.h.error; +diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h +index 7aafe9acc6c0..c6eb35a95fcc 100644 +--- a/fs/fuse/fuse_i.h ++++ b/fs/fuse/fuse_i.h +@@ -252,6 +252,7 @@ struct fuse_io_priv { + size_t size; + __u64 offset; + bool write; ++ bool should_dirty; + int err; + struct kiocb *iocb; + struct file *file; +diff --git a/include/linux/bpf.h b/include/linux/bpf.h +index 132585a7fbd8..bae3da5bcda0 100644 +--- a/include/linux/bpf.h ++++ b/include/linux/bpf.h +@@ -177,7 +177,6 @@ void bpf_register_map_type(struct bpf_map_type_list *tl); + struct bpf_prog *bpf_prog_get(u32 ufd); + struct bpf_prog *bpf_prog_inc(struct bpf_prog *prog); + void bpf_prog_put(struct bpf_prog *prog); +-void bpf_prog_put_rcu(struct bpf_prog *prog); + + struct bpf_map *bpf_map_get_with_uref(u32 ufd); + struct bpf_map *__bpf_map_get(struct fd f); +@@ -208,10 +207,6 @@ static inline struct bpf_prog *bpf_prog_get(u32 ufd) + static inline void bpf_prog_put(struct bpf_prog *prog) + { + } +- +-static inline void bpf_prog_put_rcu(struct bpf_prog *prog) +-{ +-} + #endif /* CONFIG_BPF_SYSCALL */ + + /* verifier prototypes for helper functions called from eBPF programs */ +diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h +index 786ad32631a6..07b83d32f66c 100644 +--- a/include/linux/cpuidle.h ++++ b/include/linux/cpuidle.h +@@ -152,6 +152,8 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev); + extern int cpuidle_play_dead(void); + + extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); ++static inline struct cpuidle_device *cpuidle_get_device(void) ++{return __this_cpu_read(cpuidle_devices); } + #else + static inline void disable_cpuidle(void) { } + static inline bool cpuidle_not_available(struct cpuidle_driver *drv, +@@ -187,6 +189,7 @@ static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } + static inline int cpuidle_play_dead(void) {return -ENODEV; } + static inline struct cpuidle_driver *cpuidle_get_cpu_driver( + struct cpuidle_device *dev) {return NULL; } ++static inline struct cpuidle_device *cpuidle_get_device(void) {return NULL; } + #endif + + #if defined(CONFIG_CPU_IDLE) && defined(CONFIG_SUSPEND) +diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h +index 5d5174b59802..673dee29a9b9 100644 +--- a/include/linux/radix-tree.h ++++ b/include/linux/radix-tree.h +@@ -382,6 +382,7 @@ static inline __must_check + void **radix_tree_iter_retry(struct radix_tree_iter *iter) + { + iter->next_index = iter->index; ++ iter->tags = 0; + return NULL; + } + +diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h +index 0dc0a51da38f..dce2d586d9ce 100644 +--- a/include/net/inet_ecn.h ++++ b/include/net/inet_ecn.h +@@ -128,7 +128,8 @@ static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph) + to = from | htonl(INET_ECN_CE << 20); + *(__be32 *)iph = to; + if (skb->ip_summed == CHECKSUM_COMPLETE) +- skb->csum = csum_add(csum_sub(skb->csum, from), to); ++ skb->csum = csum_add(csum_sub(skb->csum, (__force __wsum)from), ++ (__force __wsum)to); + return 1; + } + +diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h +index 293b9a7f53bc..fb53a94a5e8b 100644 +--- a/include/scsi/scsi_device.h ++++ b/include/scsi/scsi_device.h +@@ -240,6 +240,7 @@ enum scsi_target_state { + STARGET_CREATED = 1, + STARGET_RUNNING, + STARGET_REMOVE, ++ STARGET_CREATED_REMOVE, + STARGET_DEL, + }; + +diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c +index 0eb11b4ac4c7..daa4e0782cf7 100644 +--- a/kernel/bpf/arraymap.c ++++ b/kernel/bpf/arraymap.c +@@ -270,9 +270,7 @@ static void *prog_fd_array_get_ptr(struct bpf_map *map, int fd) + + static void prog_fd_array_put_ptr(void *ptr) + { +- struct bpf_prog *prog = ptr; +- +- bpf_prog_put_rcu(prog); ++ bpf_prog_put(ptr); + } + + /* decrement refcnt of all bpf_progs that are stored in this map */ +diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c +index 4b9bbfe764e8..04fc1022ad9f 100644 +--- a/kernel/bpf/syscall.c ++++ b/kernel/bpf/syscall.c +@@ -487,7 +487,7 @@ static void bpf_prog_uncharge_memlock(struct bpf_prog *prog) + free_uid(user); + } + +-static void __prog_put_common(struct rcu_head *rcu) ++static void __bpf_prog_put_rcu(struct rcu_head *rcu) + { + struct bpf_prog_aux *aux = container_of(rcu, struct bpf_prog_aux, rcu); + +@@ -496,17 +496,10 @@ static void __prog_put_common(struct rcu_head *rcu) + bpf_prog_free(aux->prog); + } + +-/* version of bpf_prog_put() that is called after a grace period */ +-void bpf_prog_put_rcu(struct bpf_prog *prog) +-{ +- if (atomic_dec_and_test(&prog->aux->refcnt)) +- call_rcu(&prog->aux->rcu, __prog_put_common); +-} +- + void bpf_prog_put(struct bpf_prog *prog) + { + if (atomic_dec_and_test(&prog->aux->refcnt)) +- __prog_put_common(&prog->aux->rcu); ++ call_rcu(&prog->aux->rcu, __bpf_prog_put_rcu); + } + EXPORT_SYMBOL_GPL(bpf_prog_put); + +@@ -514,7 +507,7 @@ static int bpf_prog_release(struct inode *inode, struct file *filp) + { + struct bpf_prog *prog = filp->private_data; + +- bpf_prog_put_rcu(prog); ++ bpf_prog_put(prog); + return 0; + } + +diff --git a/kernel/events/core.c b/kernel/events/core.c +index 990ac41d8a5f..e53dfb5b826e 100644 +--- a/kernel/events/core.c ++++ b/kernel/events/core.c +@@ -7018,6 +7018,8 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size, + goto unlock; + + list_for_each_entry_rcu(event, &ctx->event_list, event_entry) { ++ if (event->cpu != smp_processor_id()) ++ continue; + if (event->attr.type != PERF_TYPE_TRACEPOINT) + continue; + if (event->attr.config != entry->type) +@@ -7139,7 +7141,7 @@ static void perf_event_free_bpf_prog(struct perf_event *event) + prog = event->tp_event->prog; + if (prog && event->tp_event->bpf_prog_owner == event) { + event->tp_event->prog = NULL; +- bpf_prog_put_rcu(prog); ++ bpf_prog_put(prog); + } + } + +@@ -8530,6 +8532,7 @@ SYSCALL_DEFINE5(perf_event_open, + f_flags); + if (IS_ERR(event_file)) { + err = PTR_ERR(event_file); ++ event_file = NULL; + goto err_context; + } + +diff --git a/kernel/sched/core.c b/kernel/sched/core.c +index 65ed3501c2ca..4743e1f2a3d1 100644 +--- a/kernel/sched/core.c ++++ b/kernel/sched/core.c +@@ -7817,11 +7817,9 @@ void sched_destroy_group(struct task_group *tg) + void sched_offline_group(struct task_group *tg) + { + unsigned long flags; +- int i; + + /* end participation in shares distribution */ +- for_each_possible_cpu(i) +- unregister_fair_sched_group(tg, i); ++ unregister_fair_sched_group(tg); + + spin_lock_irqsave(&task_group_lock, flags); + list_del_rcu(&tg->list); +diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c +index 3b136fb4422c..c2af250547bb 100644 +--- a/kernel/sched/fair.c ++++ b/kernel/sched/fair.c +@@ -3624,9 +3624,13 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) + + /* + * Add to the _head_ of the list, so that an already-started +- * distribute_cfs_runtime will not see us ++ * distribute_cfs_runtime will not see us. If disribute_cfs_runtime is ++ * not running add to the tail so that later runqueues don't get starved. + */ +- list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); ++ if (cfs_b->distribute_running) ++ list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); ++ else ++ list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq); + + /* + * If we're the first throttled task, make sure the bandwidth +@@ -3769,14 +3773,16 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun) + * in us over-using our runtime if it is all used during this loop, but + * only by limited amounts in that extreme case. + */ +- while (throttled && cfs_b->runtime > 0) { ++ while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) { + runtime = cfs_b->runtime; ++ cfs_b->distribute_running = 1; + raw_spin_unlock(&cfs_b->lock); + /* we can't nest cfs_b->lock while distributing bandwidth */ + runtime = distribute_cfs_runtime(cfs_b, runtime, + runtime_expires); + raw_spin_lock(&cfs_b->lock); + ++ cfs_b->distribute_running = 0; + throttled = !list_empty(&cfs_b->throttled_cfs_rq); + + cfs_b->runtime -= min(runtime, cfs_b->runtime); +@@ -3887,6 +3893,11 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) + + /* confirm we're still not at a refresh boundary */ + raw_spin_lock(&cfs_b->lock); ++ if (cfs_b->distribute_running) { ++ raw_spin_unlock(&cfs_b->lock); ++ return; ++ } ++ + if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) { + raw_spin_unlock(&cfs_b->lock); + return; +@@ -3896,6 +3907,9 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) + runtime = cfs_b->runtime; + + expires = cfs_b->runtime_expires; ++ if (runtime) ++ cfs_b->distribute_running = 1; ++ + raw_spin_unlock(&cfs_b->lock); + + if (!runtime) +@@ -3906,6 +3920,7 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b) + raw_spin_lock(&cfs_b->lock); + if (expires == cfs_b->runtime_expires) + cfs_b->runtime -= min(runtime, cfs_b->runtime); ++ cfs_b->distribute_running = 0; + raw_spin_unlock(&cfs_b->lock); + } + +@@ -4017,6 +4032,7 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) + cfs_b->period_timer.function = sched_cfs_period_timer; + hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + cfs_b->slack_timer.function = sched_cfs_slack_timer; ++ cfs_b->distribute_running = 0; + } + + static void init_cfs_rq_runtime(struct cfs_rq *cfs_rq) +@@ -8154,11 +8170,8 @@ void free_fair_sched_group(struct task_group *tg) + for_each_possible_cpu(i) { + if (tg->cfs_rq) + kfree(tg->cfs_rq[i]); +- if (tg->se) { +- if (tg->se[i]) +- remove_entity_load_avg(tg->se[i]); ++ if (tg->se) + kfree(tg->se[i]); +- } + } + + kfree(tg->cfs_rq); +@@ -8206,21 +8219,29 @@ err: + return 0; + } + +-void unregister_fair_sched_group(struct task_group *tg, int cpu) ++void unregister_fair_sched_group(struct task_group *tg) + { +- struct rq *rq = cpu_rq(cpu); + unsigned long flags; ++ struct rq *rq; ++ int cpu; + +- /* +- * Only empty task groups can be destroyed; so we can speculatively +- * check on_list without danger of it being re-added. +- */ +- if (!tg->cfs_rq[cpu]->on_list) +- return; ++ for_each_possible_cpu(cpu) { ++ if (tg->se[cpu]) ++ remove_entity_load_avg(tg->se[cpu]); + +- raw_spin_lock_irqsave(&rq->lock, flags); +- list_del_leaf_cfs_rq(tg->cfs_rq[cpu]); +- raw_spin_unlock_irqrestore(&rq->lock, flags); ++ /* ++ * Only empty task groups can be destroyed; so we can speculatively ++ * check on_list without danger of it being re-added. ++ */ ++ if (!tg->cfs_rq[cpu]->on_list) ++ continue; ++ ++ rq = cpu_rq(cpu); ++ ++ raw_spin_lock_irqsave(&rq->lock, flags); ++ list_del_leaf_cfs_rq(tg->cfs_rq[cpu]); ++ raw_spin_unlock_irqrestore(&rq->lock, flags); ++ } + } + + void init_tg_cfs_entry(struct task_group *tg, struct cfs_rq *cfs_rq, +@@ -8302,7 +8323,7 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent) + return 1; + } + +-void unregister_fair_sched_group(struct task_group *tg, int cpu) { } ++void unregister_fair_sched_group(struct task_group *tg) { } + + #endif /* CONFIG_FAIR_GROUP_SCHED */ + +diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c +index 4a2ef5a02fd3..bfd573122e0d 100644 +--- a/kernel/sched/idle.c ++++ b/kernel/sched/idle.c +@@ -132,7 +132,7 @@ static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev, + */ + static void cpuidle_idle_call(void) + { +- struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices); ++ struct cpuidle_device *dev = cpuidle_get_device(); + struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev); + int next_state, entered_state; + +diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h +index 0c9ebd82a684..6893ee31df4d 100644 +--- a/kernel/sched/sched.h ++++ b/kernel/sched/sched.h +@@ -233,6 +233,8 @@ struct cfs_bandwidth { + /* statistics */ + int nr_periods, nr_throttled; + u64 throttled_time; ++ ++ bool distribute_running; + #endif + }; + +@@ -308,7 +310,7 @@ extern int tg_nop(struct task_group *tg, void *data); + + extern void free_fair_sched_group(struct task_group *tg); + extern int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent); +-extern void unregister_fair_sched_group(struct task_group *tg, int cpu); ++extern void unregister_fair_sched_group(struct task_group *tg); + extern void init_tg_cfs_entry(struct task_group *tg, struct cfs_rq *cfs_rq, + struct sched_entity *se, int cpu, + struct sched_entity *parent); +diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c +index e409ddce8754..1a47a64d623f 100644 +--- a/kernel/trace/trace.c ++++ b/kernel/trace/trace.c +@@ -1757,7 +1757,17 @@ void trace_buffer_unlock_commit_regs(struct trace_array *tr, + { + __buffer_unlock_commit(buffer, event); + +- ftrace_trace_stack(tr, buffer, flags, 0, pc, regs); ++ /* ++ * If regs is not set, then skip the following callers: ++ * trace_buffer_unlock_commit_regs ++ * event_trigger_unlock_commit ++ * trace_event_buffer_commit ++ * trace_event_raw_event_sched_switch ++ * Note, we can still get here via blktrace, wakeup tracer ++ * and mmiotrace, but that's ok if they lose a function or ++ * two. They are that meaningful. ++ */ ++ ftrace_trace_stack(tr, buffer, flags, regs ? 0 : 4, pc, regs); + ftrace_trace_userstack(buffer, flags, pc); + } + EXPORT_SYMBOL_GPL(trace_buffer_unlock_commit_regs); +@@ -1815,6 +1825,13 @@ static void __ftrace_trace_stack(struct ring_buffer *buffer, + trace.nr_entries = 0; + trace.skip = skip; + ++ /* ++ * Add two, for this function and the call to save_stack_trace() ++ * If regs is set, then these functions will not be in the way. ++ */ ++ if (!regs) ++ trace.skip += 2; ++ + /* + * Since events can happen in NMIs there's no safe way to + * use the per cpu ftrace_stacks. We reserve it and if an interrupt +diff --git a/mm/huge_memory.c b/mm/huge_memory.c +index c4ea57ee2fd1..465786cd6490 100644 +--- a/mm/huge_memory.c ++++ b/mm/huge_memory.c +@@ -1511,7 +1511,7 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma, + spinlock_t *old_ptl, *new_ptl; + int ret = 0; + pmd_t pmd; +- ++ bool force_flush = false; + struct mm_struct *mm = vma->vm_mm; + + if ((old_addr & ~HPAGE_PMD_MASK) || +@@ -1539,6 +1539,8 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma, + if (new_ptl != old_ptl) + spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING); + pmd = pmdp_huge_get_and_clear(mm, old_addr, old_pmd); ++ if (pmd_present(pmd)) ++ force_flush = true; + VM_BUG_ON(!pmd_none(*new_pmd)); + + if (pmd_move_must_withdraw(new_ptl, old_ptl)) { +@@ -1547,6 +1549,8 @@ int move_huge_pmd(struct vm_area_struct *vma, struct vm_area_struct *new_vma, + pgtable_trans_huge_deposit(mm, new_pmd, pgtable); + } + set_pmd_at(mm, new_addr, new_pmd, pmd_mksoft_dirty(pmd)); ++ if (force_flush) ++ flush_tlb_range(vma, old_addr, old_addr + PMD_SIZE); + if (new_ptl != old_ptl) + spin_unlock(new_ptl); + spin_unlock(old_ptl); +diff --git a/mm/mremap.c b/mm/mremap.c +index fe7b7f65f4f4..450b306d473e 100644 +--- a/mm/mremap.c ++++ b/mm/mremap.c +@@ -96,6 +96,8 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, + struct mm_struct *mm = vma->vm_mm; + pte_t *old_pte, *new_pte, pte; + spinlock_t *old_ptl, *new_ptl; ++ bool force_flush = false; ++ unsigned long len = old_end - old_addr; + + /* + * When need_rmap_locks is true, we take the i_mmap_rwsem and anon_vma +@@ -143,12 +145,26 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, + if (pte_none(*old_pte)) + continue; + pte = ptep_get_and_clear(mm, old_addr, old_pte); ++ /* ++ * If we are remapping a valid PTE, make sure ++ * to flush TLB before we drop the PTL for the PTE. ++ * ++ * NOTE! Both old and new PTL matter: the old one ++ * for racing with page_mkclean(), the new one to ++ * make sure the physical page stays valid until ++ * the TLB entry for the old mapping has been ++ * flushed. ++ */ ++ if (pte_present(pte)) ++ force_flush = true; + pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr); + pte = move_soft_dirty_pte(pte); + set_pte_at(mm, new_addr, new_pte, pte); + } + + arch_leave_lazy_mmu_mode(); ++ if (force_flush) ++ flush_tlb_range(vma, old_end - len, old_end); + if (new_ptl != old_ptl) + spin_unlock(new_ptl); + pte_unmap(new_pte - 1); +@@ -168,7 +184,6 @@ unsigned long move_page_tables(struct vm_area_struct *vma, + { + unsigned long extent, next, old_end; + pmd_t *old_pmd, *new_pmd; +- bool need_flush = false; + unsigned long mmun_start; /* For mmu_notifiers */ + unsigned long mmun_end; /* For mmu_notifiers */ + +@@ -207,7 +222,6 @@ unsigned long move_page_tables(struct vm_area_struct *vma, + anon_vma_unlock_write(vma->anon_vma); + } + if (err > 0) { +- need_flush = true; + continue; + } else if (!err) { + split_huge_page_pmd(vma, old_addr, old_pmd); +@@ -224,10 +238,7 @@ unsigned long move_page_tables(struct vm_area_struct *vma, + extent = LATENCY_LIMIT; + move_ptes(vma, old_pmd, old_addr, old_addr + extent, + new_vma, new_pmd, new_addr, need_rmap_locks); +- need_flush = true; + } +- if (likely(need_flush)) +- flush_tlb_range(vma, old_end-len, old_addr); + + mmu_notifier_invalidate_range_end(vma->vm_mm, mmun_start, mmun_end); + +diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c +index b1b0a1c0bd8d..ecc3da6a14a1 100644 +--- a/net/bluetooth/mgmt.c ++++ b/net/bluetooth/mgmt.c +@@ -3083,9 +3083,8 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, + /* LE address type */ + addr_type = le_addr_type(cp->addr.type); + +- hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type); +- +- err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type); ++ /* Abort any ongoing SMP pairing. Removes ltk and irk if they exist. */ ++ err = smp_cancel_and_remove_pairing(hdev, &cp->addr.bdaddr, addr_type); + if (err < 0) { + err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, + MGMT_STATUS_NOT_PAIRED, &rp, +@@ -3099,8 +3098,6 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, + goto done; + } + +- /* Abort any ongoing SMP pairing */ +- smp_cancel_pairing(conn); + + /* Defer clearing up the connection parameters until closing to + * give a chance of keeping them if a repairing happens. +diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c +index 0dc27d2e8f18..bedfaef2c59e 100644 +--- a/net/bluetooth/smp.c ++++ b/net/bluetooth/smp.c +@@ -2371,30 +2371,51 @@ unlock: + return ret; + } + +-void smp_cancel_pairing(struct hci_conn *hcon) ++int smp_cancel_and_remove_pairing(struct hci_dev *hdev, bdaddr_t *bdaddr, ++ u8 addr_type) + { +- struct l2cap_conn *conn = hcon->l2cap_data; ++ struct hci_conn *hcon; ++ struct l2cap_conn *conn; + struct l2cap_chan *chan; + struct smp_chan *smp; ++ int err; ++ ++ err = hci_remove_ltk(hdev, bdaddr, addr_type); ++ hci_remove_irk(hdev, bdaddr, addr_type); ++ ++ hcon = hci_conn_hash_lookup_le(hdev, bdaddr, addr_type); ++ if (!hcon) ++ goto done; + ++ conn = hcon->l2cap_data; + if (!conn) +- return; ++ goto done; + + chan = conn->smp; + if (!chan) +- return; ++ goto done; + + l2cap_chan_lock(chan); + + smp = chan->data; + if (smp) { ++ /* Set keys to NULL to make sure smp_failure() does not try to ++ * remove and free already invalidated rcu list entries. */ ++ smp->ltk = NULL; ++ smp->slave_ltk = NULL; ++ smp->remote_irk = NULL; ++ + if (test_bit(SMP_FLAG_COMPLETE, &smp->flags)) + smp_failure(conn, 0); + else + smp_failure(conn, SMP_UNSPECIFIED); ++ err = 0; + } + + l2cap_chan_unlock(chan); ++ ++done: ++ return err; + } + + static int smp_cmd_encrypt_info(struct l2cap_conn *conn, struct sk_buff *skb) +diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h +index ffcc70b6b199..993cbd7bcfe7 100644 +--- a/net/bluetooth/smp.h ++++ b/net/bluetooth/smp.h +@@ -180,7 +180,8 @@ enum smp_key_pref { + }; + + /* SMP Commands */ +-void smp_cancel_pairing(struct hci_conn *hcon); ++int smp_cancel_and_remove_pairing(struct hci_dev *hdev, bdaddr_t *bdaddr, ++ u8 addr_type); + bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level, + enum smp_key_pref key_pref); + int smp_conn_security(struct hci_conn *hcon, __u8 sec_level); +diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c +index d80c15d028fe..270d9c9a5331 100644 +--- a/net/bridge/br_multicast.c ++++ b/net/bridge/br_multicast.c +@@ -1261,7 +1261,14 @@ static void br_multicast_query_received(struct net_bridge *br, + return; + + br_multicast_update_query_timer(br, query, max_delay); +- br_multicast_mark_router(br, port); ++ ++ /* Based on RFC4541, section 2.1.1 IGMP Forwarding Rules, ++ * the arrival port for IGMP Queries where the source address ++ * is 0.0.0.0 should not be added to router port list. ++ */ ++ if ((saddr->proto == htons(ETH_P_IP) && saddr->u.ip4) || ++ saddr->proto == htons(ETH_P_IPV6)) ++ br_multicast_mark_router(br, port); + } + + static int br_ip4_multicast_query(struct net_bridge *br, +diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c +index f1df04c7d395..d2a46ffe6382 100644 +--- a/net/core/rtnetlink.c ++++ b/net/core/rtnetlink.c +@@ -2734,6 +2734,11 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh) + return -EINVAL; + } + ++ if (dev->type != ARPHRD_ETHER) { ++ pr_info("PF_BRIDGE: FDB add only supported for Ethernet devices"); ++ return -EINVAL; ++ } ++ + addr = nla_data(tb[NDA_LLADDR]); + + err = fdb_vid_parse(tb[NDA_VLAN], &vid); +@@ -2836,6 +2841,11 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh) + return -EINVAL; + } + ++ if (dev->type != ARPHRD_ETHER) { ++ pr_info("PF_BRIDGE: FDB delete only supported for Ethernet devices"); ++ return -EINVAL; ++ } ++ + addr = nla_data(tb[NDA_LLADDR]); + + err = fdb_vid_parse(tb[NDA_VLAN], &vid); +diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c +index 08d8ee124538..d83888bc33d3 100644 +--- a/net/ipv4/fou.c ++++ b/net/ipv4/fou.c +@@ -195,6 +195,14 @@ static struct sk_buff **fou_gro_receive(struct sk_buff **head, + u8 proto = NAPI_GRO_CB(skb)->proto; + const struct net_offload **offloads; + ++ /* We can clear the encap_mark for FOU as we are essentially doing ++ * one of two possible things. We are either adding an L4 tunnel ++ * header to the outer L3 tunnel header, or we are are simply ++ * treating the GRE tunnel header as though it is a UDP protocol ++ * specific header such as VXLAN or GENEVE. ++ */ ++ NAPI_GRO_CB(skb)->encap_mark = 0; ++ + rcu_read_lock(); + offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; + ops = rcu_dereference(offloads[proto]); +@@ -354,6 +362,14 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head, + } + } + ++ /* We can clear the encap_mark for GUE as we are essentially doing ++ * one of two possible things. We are either adding an L4 tunnel ++ * header to the outer L3 tunnel header, or we are are simply ++ * treating the GRE tunnel header as though it is a UDP protocol ++ * specific header such as VXLAN or GENEVE. ++ */ ++ NAPI_GRO_CB(skb)->encap_mark = 0; ++ + rcu_read_lock(); + offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; + ops = rcu_dereference(offloads[guehdr->proto_ctype]); +diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c +index 7057a1b09b5e..72915658a6b1 100644 +--- a/net/ipv4/ip_fragment.c ++++ b/net/ipv4/ip_fragment.c +@@ -716,10 +716,14 @@ struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user) + if (ip_is_fragment(&iph)) { + skb = skb_share_check(skb, GFP_ATOMIC); + if (skb) { +- if (!pskb_may_pull(skb, netoff + iph.ihl * 4)) +- return skb; +- if (pskb_trim_rcsum(skb, netoff + len)) +- return skb; ++ if (!pskb_may_pull(skb, netoff + iph.ihl * 4)) { ++ kfree_skb(skb); ++ return NULL; ++ } ++ if (pskb_trim_rcsum(skb, netoff + len)) { ++ kfree_skb(skb); ++ return NULL; ++ } + memset(IPCB(skb), 0, sizeof(struct inet_skb_parm)); + if (ip_defrag(net, skb, user)) + return NULL; +diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c +index 582e757e5727..4dde1e0e7d37 100644 +--- a/net/ipv6/addrconf.c ++++ b/net/ipv6/addrconf.c +@@ -4439,8 +4439,8 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb, + + /* unicast address incl. temp addr */ + list_for_each_entry(ifa, &idev->addr_list, if_list) { +- if (++ip_idx < s_ip_idx) +- continue; ++ if (ip_idx < s_ip_idx) ++ goto next; + err = inet6_fill_ifaddr(skb, ifa, + NETLINK_CB(cb->skb).portid, + cb->nlh->nlmsg_seq, +@@ -4449,6 +4449,8 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb, + if (err < 0) + break; + nl_dump_check_consistent(cb, nlmsg_hdr(skb)); ++next: ++ ip_idx++; + } + break; + } +diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c +index 60d4052d97a6..51da5987952c 100644 +--- a/net/ipv6/ip6_vti.c ++++ b/net/ipv6/ip6_vti.c +@@ -1140,6 +1140,33 @@ static struct xfrm6_protocol vti_ipcomp6_protocol __read_mostly = { + .priority = 100, + }; + ++static bool is_vti6_tunnel(const struct net_device *dev) ++{ ++ return dev->netdev_ops == &vti6_netdev_ops; ++} ++ ++static int vti6_device_event(struct notifier_block *unused, ++ unsigned long event, void *ptr) ++{ ++ struct net_device *dev = netdev_notifier_info_to_dev(ptr); ++ struct ip6_tnl *t = netdev_priv(dev); ++ ++ if (!is_vti6_tunnel(dev)) ++ return NOTIFY_DONE; ++ ++ switch (event) { ++ case NETDEV_DOWN: ++ if (!net_eq(t->net, dev_net(dev))) ++ xfrm_garbage_collect(t->net); ++ break; ++ } ++ return NOTIFY_DONE; ++} ++ ++static struct notifier_block vti6_notifier_block __read_mostly = { ++ .notifier_call = vti6_device_event, ++}; ++ + /** + * vti6_tunnel_init - register protocol and reserve needed resources + * +@@ -1150,6 +1177,8 @@ static int __init vti6_tunnel_init(void) + const char *msg; + int err; + ++ register_netdevice_notifier(&vti6_notifier_block); ++ + msg = "tunnel device"; + err = register_pernet_device(&vti6_net_ops); + if (err < 0) +@@ -1182,6 +1211,7 @@ xfrm_proto_ah_failed: + xfrm_proto_esp_failed: + unregister_pernet_device(&vti6_net_ops); + pernet_dev_failed: ++ unregister_netdevice_notifier(&vti6_notifier_block); + pr_err("vti6 init: failed to register %s\n", msg); + return err; + } +@@ -1196,6 +1226,7 @@ static void __exit vti6_tunnel_cleanup(void) + xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH); + xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP); + unregister_pernet_device(&vti6_net_ops); ++ unregister_netdevice_notifier(&vti6_notifier_block); + } + + module_init(vti6_tunnel_init); +diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c +index 091cee551cd9..a5ec9a0cbb80 100644 +--- a/net/ipv6/mcast.c ++++ b/net/ipv6/mcast.c +@@ -2390,17 +2390,17 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml, + { + int err; + +- /* callers have the socket lock and rtnl lock +- * so no other readers or writers of iml or its sflist +- */ ++ write_lock_bh(&iml->sflock); + if (!iml->sflist) { + /* any-source empty exclude case */ +- return ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0); ++ err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0); ++ } else { ++ err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, ++ iml->sflist->sl_count, iml->sflist->sl_addr, 0); ++ sock_kfree_s(sk, iml->sflist, IP6_SFLSIZE(iml->sflist->sl_max)); ++ iml->sflist = NULL; + } +- err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, +- iml->sflist->sl_count, iml->sflist->sl_addr, 0); +- sock_kfree_s(sk, iml->sflist, IP6_SFLSIZE(iml->sflist->sl_max)); +- iml->sflist = NULL; ++ write_unlock_bh(&iml->sflock); + return err; + } + +diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c +index 3db8d7d1a986..0bf375177a9a 100644 +--- a/net/ipv6/ndisc.c ++++ b/net/ipv6/ndisc.c +@@ -1649,10 +1649,9 @@ int ndisc_rcv(struct sk_buff *skb) + return 0; + } + +- memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb)); +- + switch (msg->icmph.icmp6_type) { + case NDISC_NEIGHBOUR_SOLICITATION: ++ memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb)); + ndisc_recv_ns(skb); + break; + +diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c +index 838b65a59a73..5a9ae56e7868 100644 +--- a/net/ipv6/netfilter/nf_conntrack_reasm.c ++++ b/net/ipv6/netfilter/nf_conntrack_reasm.c +@@ -601,6 +601,7 @@ struct sk_buff *nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 use + hdr = ipv6_hdr(clone); + fhdr = (struct frag_hdr *)skb_transport_header(clone); + ++ skb_orphan(skb); + fq = fq_find(net, fhdr->identification, user, &hdr->saddr, &hdr->daddr, + skb->dev ? skb->dev->ifindex : 0, ip6_frag_ecn(hdr)); + if (fq == NULL) { +diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c +index 4d09ce6fa90e..64862c5084ee 100644 +--- a/net/ipv6/xfrm6_output.c ++++ b/net/ipv6/xfrm6_output.c +@@ -165,9 +165,11 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb) + + if (toobig && xfrm6_local_dontfrag(skb)) { + xfrm6_local_rxpmtu(skb, mtu); ++ kfree_skb(skb); + return -EMSGSIZE; + } else if (!skb->ignore_df && toobig && skb->sk) { + xfrm_local_error(skb, mtu); ++ kfree_skb(skb); + return -EMSGSIZE; + } + +diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c +index aeffb65181f5..5984cc35d508 100644 +--- a/net/iucv/af_iucv.c ++++ b/net/iucv/af_iucv.c +@@ -705,10 +705,8 @@ static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr, + char uid[9]; + + /* Verify the input sockaddr */ +- if (!addr || addr->sa_family != AF_IUCV) +- return -EINVAL; +- +- if (addr_len < sizeof(struct sockaddr_iucv)) ++ if (addr_len < sizeof(struct sockaddr_iucv) || ++ addr->sa_family != AF_IUCV) + return -EINVAL; + + lock_sock(sk); +@@ -852,7 +850,7 @@ static int iucv_sock_connect(struct socket *sock, struct sockaddr *addr, + struct iucv_sock *iucv = iucv_sk(sk); + int err; + +- if (addr->sa_family != AF_IUCV || alen < sizeof(struct sockaddr_iucv)) ++ if (alen < sizeof(struct sockaddr_iucv) || addr->sa_family != AF_IUCV) + return -EINVAL; + + if (sk->sk_state != IUCV_OPEN && sk->sk_state != IUCV_BOUND) +diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c +index 48ab93842322..af74e3ba0f92 100644 +--- a/net/l2tp/l2tp_ip.c ++++ b/net/l2tp/l2tp_ip.c +@@ -177,21 +177,23 @@ pass_up: + + tunnel_id = ntohl(*(__be32 *) &skb->data[4]); + tunnel = l2tp_tunnel_find(net, tunnel_id); +- if (tunnel != NULL) ++ if (tunnel) { + sk = tunnel->sock; +- else { ++ sock_hold(sk); ++ } else { + struct iphdr *iph = (struct iphdr *) skb_network_header(skb); + + read_lock_bh(&l2tp_ip_lock); + sk = __l2tp_ip_bind_lookup(net, iph->daddr, 0, tunnel_id); ++ if (!sk) { ++ read_unlock_bh(&l2tp_ip_lock); ++ goto discard; ++ } ++ ++ sock_hold(sk); + read_unlock_bh(&l2tp_ip_lock); + } + +- if (sk == NULL) +- goto discard; +- +- sock_hold(sk); +- + if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) + goto discard_put; + +diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c +index bcdab1cba773..591d308bf63a 100644 +--- a/net/l2tp/l2tp_ip6.c ++++ b/net/l2tp/l2tp_ip6.c +@@ -188,22 +188,24 @@ pass_up: + + tunnel_id = ntohl(*(__be32 *) &skb->data[4]); + tunnel = l2tp_tunnel_find(&init_net, tunnel_id); +- if (tunnel != NULL) ++ if (tunnel) { + sk = tunnel->sock; +- else { ++ sock_hold(sk); ++ } else { + struct ipv6hdr *iph = ipv6_hdr(skb); + + read_lock_bh(&l2tp_ip6_lock); + sk = __l2tp_ip6_bind_lookup(&init_net, &iph->daddr, + 0, tunnel_id); ++ if (!sk) { ++ read_unlock_bh(&l2tp_ip6_lock); ++ goto discard; ++ } ++ ++ sock_hold(sk); + read_unlock_bh(&l2tp_ip6_lock); + } + +- if (sk == NULL) +- goto discard; +- +- sock_hold(sk); +- + if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) + goto discard_put; + +diff --git a/net/mac80211/status.c b/net/mac80211/status.c +index 45fb1abdb265..2731cf5bf052 100644 +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -466,11 +466,6 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, + if (!skb) + return; + +- if (dropped) { +- dev_kfree_skb_any(skb); +- return; +- } +- + if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) { + u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie; + struct ieee80211_sub_if_data *sdata; +@@ -491,6 +486,8 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local, + } + rcu_read_unlock(); + ++ dev_kfree_skb_any(skb); ++ } else if (dropped) { + dev_kfree_skb_any(skb); + } else { + /* consumes skb */ +diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c +index f9e8deeeac96..a5745cb2d014 100644 +--- a/net/sched/sch_gred.c ++++ b/net/sched/sch_gred.c +@@ -444,7 +444,7 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt) + if (tb[TCA_GRED_PARMS] == NULL && tb[TCA_GRED_STAB] == NULL) { + if (tb[TCA_GRED_LIMIT] != NULL) + sch->limit = nla_get_u32(tb[TCA_GRED_LIMIT]); +- return gred_change_table_def(sch, opt); ++ return gred_change_table_def(sch, tb[TCA_GRED_DPS]); + } + + if (tb[TCA_GRED_PARMS] == NULL || +diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c +index 0505b8408c8b..4bf2b599ef98 100644 +--- a/net/sched/sch_red.c ++++ b/net/sched/sch_red.c +@@ -97,6 +97,7 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch) + + ret = qdisc_enqueue(skb, child); + if (likely(ret == NET_XMIT_SUCCESS)) { ++ qdisc_qstats_backlog_inc(sch, skb); + sch->q.qlen++; + } else if (net_xmit_drop_count(ret)) { + q->stats.pdrop++; +@@ -118,6 +119,7 @@ static struct sk_buff *red_dequeue(struct Qdisc *sch) + skb = child->dequeue(child); + if (skb) { + qdisc_bstats_update(sch, skb); ++ qdisc_qstats_backlog_dec(sch, skb); + sch->q.qlen--; + } else { + if (!red_is_idling(&q->vars)) +@@ -143,6 +145,7 @@ static unsigned int red_drop(struct Qdisc *sch) + if (child->ops->drop && (len = child->ops->drop(child)) > 0) { + q->stats.other++; + qdisc_qstats_drop(sch); ++ sch->qstats.backlog -= len; + sch->q.qlen--; + return len; + } +@@ -158,6 +161,7 @@ static void red_reset(struct Qdisc *sch) + struct red_sched_data *q = qdisc_priv(sch); + + qdisc_reset(q->qdisc); ++ sch->qstats.backlog = 0; + sch->q.qlen = 0; + red_restart(&q->vars); + } +diff --git a/net/sctp/socket.c b/net/sctp/socket.c +index 13c7f42b7040..53f1b33bca4e 100644 +--- a/net/sctp/socket.c ++++ b/net/sctp/socket.c +@@ -248,11 +248,10 @@ struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id) + + spin_lock_bh(&sctp_assocs_id_lock); + asoc = (struct sctp_association *)idr_find(&sctp_assocs_id, (int)id); ++ if (asoc && (asoc->base.sk != sk || asoc->base.dead)) ++ asoc = NULL; + spin_unlock_bh(&sctp_assocs_id_lock); + +- if (!asoc || (asoc->base.sk != sk) || asoc->base.dead) +- return NULL; +- + return asoc; + } + +diff --git a/net/socket.c b/net/socket.c +index 0c544ae48eac..96133777d17c 100644 +--- a/net/socket.c ++++ b/net/socket.c +@@ -2760,9 +2760,14 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) + copy_in_user(&rxnfc->fs.ring_cookie, + &compat_rxnfc->fs.ring_cookie, + (void __user *)(&rxnfc->fs.location + 1) - +- (void __user *)&rxnfc->fs.ring_cookie) || +- copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt, +- sizeof(rxnfc->rule_cnt))) ++ (void __user *)&rxnfc->fs.ring_cookie)) ++ return -EFAULT; ++ if (ethcmd == ETHTOOL_GRXCLSRLALL) { ++ if (put_user(rule_cnt, &rxnfc->rule_cnt)) ++ return -EFAULT; ++ } else if (copy_in_user(&rxnfc->rule_cnt, ++ &compat_rxnfc->rule_cnt, ++ sizeof(rxnfc->rule_cnt))) + return -EFAULT; + } + +diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c +index e05ec54ac53f..c6b1eec94911 100644 +--- a/net/unix/af_unix.c ++++ b/net/unix/af_unix.c +@@ -1531,7 +1531,6 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb) + { + int i; + unsigned char max_level = 0; +- int unix_sock_count = 0; + + if (too_many_unix_fds(current)) + return -ETOOMANYREFS; +@@ -1539,11 +1538,9 @@ static int unix_attach_fds(struct scm_cookie *scm, struct sk_buff *skb) + for (i = scm->fp->count - 1; i >= 0; i--) { + struct sock *sk = unix_get_socket(scm->fp->fp[i]); + +- if (sk) { +- unix_sock_count++; ++ if (sk) + max_level = max(max_level, + unix_sk(sk)->recursion_level); +- } + } + if (unlikely(max_level > MAX_RECURSION_LEVEL)) + return -ETOOMANYREFS; +diff --git a/net/wireless/reg.c b/net/wireless/reg.c +index 06d050da0d94..50dffd183cc6 100644 +--- a/net/wireless/reg.c ++++ b/net/wireless/reg.c +@@ -2367,6 +2367,7 @@ static int regulatory_hint_core(const char *alpha2) + request->alpha2[0] = alpha2[0]; + request->alpha2[1] = alpha2[1]; + request->initiator = NL80211_REGDOM_SET_BY_CORE; ++ request->wiphy_idx = WIPHY_IDX_INVALID; + + queue_regulatory_request(request); + +diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c +index d6a11af0bab1..9b6e51450fc5 100644 +--- a/net/xfrm/xfrm_state.c ++++ b/net/xfrm/xfrm_state.c +@@ -1884,6 +1884,7 @@ int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen + if (err >= 0) { + xfrm_sk_policy_insert(sk, err, pol); + xfrm_pol_put(pol); ++ __sk_dst_reset(sk); + err = 0; + } + +diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c +index a9b4491a3cc4..476f1fc6d655 100644 +--- a/net/xfrm/xfrm_user.c ++++ b/net/xfrm/xfrm_user.c +@@ -151,10 +151,16 @@ static int verify_newsa_info(struct xfrm_usersa_info *p, + err = -EINVAL; + switch (p->family) { + case AF_INET: ++ if (p->sel.prefixlen_d > 32 || p->sel.prefixlen_s > 32) ++ goto out; ++ + break; + + case AF_INET6: + #if IS_ENABLED(CONFIG_IPV6) ++ if (p->sel.prefixlen_d > 128 || p->sel.prefixlen_s > 128) ++ goto out; ++ + break; + #else + err = -EAFNOSUPPORT; +@@ -1312,10 +1318,16 @@ static int verify_newpolicy_info(struct xfrm_userpolicy_info *p) + + switch (p->sel.family) { + case AF_INET: ++ if (p->sel.prefixlen_d > 32 || p->sel.prefixlen_s > 32) ++ return -EINVAL; ++ + break; + + case AF_INET6: + #if IS_ENABLED(CONFIG_IPV6) ++ if (p->sel.prefixlen_d > 128 || p->sel.prefixlen_s > 128) ++ return -EINVAL; ++ + break; + #else + return -EAFNOSUPPORT; +@@ -1396,6 +1408,9 @@ static int validate_tmpl(int nr, struct xfrm_user_tmpl *ut, u16 family) + (ut[i].family != prev_family)) + return -EINVAL; + ++ if (ut[i].mode >= XFRM_MODE_MAX) ++ return -EINVAL; ++ + prev_family = ut[i].family; + + switch (ut[i].family) { +diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c +index ac1d5b2b1626..a7095372701e 100644 +--- a/security/keys/process_keys.c ++++ b/security/keys/process_keys.c +@@ -808,15 +808,14 @@ long join_session_keyring(const char *name) + ret = PTR_ERR(keyring); + goto error2; + } else if (keyring == new->session_keyring) { +- key_put(keyring); + ret = 0; +- goto error2; ++ goto error3; + } + + /* we've got a keyring - now to install it */ + ret = install_session_keyring_to_cred(new, keyring); + if (ret < 0) +- goto error2; ++ goto error3; + + commit_creds(new); + mutex_unlock(&key_session_mutex); +@@ -826,6 +825,8 @@ long join_session_keyring(const char *name) + okay: + return ret; + ++error3: ++ key_put(keyring); + error2: + mutex_unlock(&key_session_mutex); + error: +diff --git a/sound/core/timer.c b/sound/core/timer.c +index ef850a99d64a..f989adb98a22 100644 +--- a/sound/core/timer.c ++++ b/sound/core/timer.c +@@ -35,6 +35,9 @@ + #include <sound/initval.h> + #include <linux/kmod.h> + ++/* internal flags */ ++#define SNDRV_TIMER_IFLG_PAUSED 0x00010000 ++ + #if IS_ENABLED(CONFIG_SND_HRTIMER) + #define DEFAULT_TIMER_LIMIT 4 + #elif IS_ENABLED(CONFIG_SND_RTCTIMER) +@@ -547,6 +550,10 @@ static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop) + } + } + timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START); ++ if (stop) ++ timeri->flags &= ~SNDRV_TIMER_IFLG_PAUSED; ++ else ++ timeri->flags |= SNDRV_TIMER_IFLG_PAUSED; + snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP : + SNDRV_TIMER_EVENT_PAUSE); + unlock: +@@ -608,6 +615,10 @@ int snd_timer_stop(struct snd_timer_instance *timeri) + */ + int snd_timer_continue(struct snd_timer_instance *timeri) + { ++ /* timer can continue only after pause */ ++ if (!(timeri->flags & SNDRV_TIMER_IFLG_PAUSED)) ++ return -EINVAL; ++ + if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) + return snd_timer_start_slave(timeri, false); + else +@@ -1837,6 +1848,9 @@ static int snd_timer_user_continue(struct file *file) + tu = file->private_data; + if (!tu->timeri) + return -EBADFD; ++ /* start timer instead of continue if it's not used before */ ++ if (!(tu->timeri->flags & SNDRV_TIMER_IFLG_PAUSED)) ++ return snd_timer_user_start(file); + tu->timeri->lost = 0; + return (err = snd_timer_continue(tu->timeri)) < 0 ? err : 0; + } +diff --git a/sound/soc/codecs/ak4613.c b/sound/soc/codecs/ak4613.c +index 07a266460ec3..b4b36cc92ffe 100644 +--- a/sound/soc/codecs/ak4613.c ++++ b/sound/soc/codecs/ak4613.c +@@ -143,6 +143,7 @@ static const struct regmap_config ak4613_regmap_cfg = { + .max_register = 0x16, + .reg_defaults = ak4613_reg, + .num_reg_defaults = ARRAY_SIZE(ak4613_reg), ++ .cache_type = REGCACHE_RBTREE, + }; + + static const struct of_device_id ak4613_of_match[] = { +diff --git a/sound/soc/codecs/wm8940.c b/sound/soc/codecs/wm8940.c +index f6f9395ea38e..1c600819f768 100644 +--- a/sound/soc/codecs/wm8940.c ++++ b/sound/soc/codecs/wm8940.c +@@ -743,6 +743,7 @@ static const struct regmap_config wm8940_regmap = { + .max_register = WM8940_MONOMIX, + .reg_defaults = wm8940_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(wm8940_reg_defaults), ++ .cache_type = REGCACHE_RBTREE, + + .readable_reg = wm8940_readable_register, + .volatile_reg = wm8940_volatile_register, +diff --git a/sound/soc/spear/spdif_in.c b/sound/soc/spear/spdif_in.c +index 977a078eb92f..7f32527fc3c8 100644 +--- a/sound/soc/spear/spdif_in.c ++++ b/sound/soc/spear/spdif_in.c +@@ -223,8 +223,10 @@ static int spdif_in_probe(struct platform_device *pdev) + + host->io_base = io_base; + host->irq = platform_get_irq(pdev, 0); +- if (host->irq < 0) +- return -EINVAL; ++ if (host->irq < 0) { ++ dev_warn(&pdev->dev, "failed to get IRQ: %d\n", host->irq); ++ return host->irq; ++ } + + host->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(host->clk)) +diff --git a/tools/perf/Makefile b/tools/perf/Makefile +index dcd9a70c7193..55933b2eb932 100644 +--- a/tools/perf/Makefile ++++ b/tools/perf/Makefile +@@ -69,10 +69,10 @@ all tags TAGS: + $(make) + + # +-# The clean target is not really parallel, don't print the jobs info: ++# Explicitly disable parallelism for the clean target. + # + clean: +- $(make) ++ $(make) -j1 + + # + # The build-test target is not really parallel, don't print the jobs info: |