From: "Mike Pagano" <mpagano@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/linux-patches:3.10 commit in: /
Date: Fri, 14 Nov 2014 19:55:58 +0000 (UTC) [thread overview]
Message-ID: <1415998384.4a4c4f47be6d043e68533a0a2011a7d9f61fc61e.mpagano@gentoo> (raw)
commit: 4a4c4f47be6d043e68533a0a2011a7d9f61fc61e
Author: Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Fri Nov 14 20:53:04 2014 +0000
Commit: Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Fri Nov 14 20:53:04 2014 +0000
URL: http://sources.gentoo.org/gitweb/?p=proj/linux-patches.git;a=commit;h=4a4c4f47
Linux patch 3.10.60
---
0000_README | 4 +
1059_linux-3.10.60.patch | 4170 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 4174 insertions(+)
diff --git a/0000_README b/0000_README
index 580573b..6a1392d 100644
--- a/0000_README
+++ b/0000_README
@@ -278,6 +278,10 @@ Patch: 1058_linux-3.10.59.patch
From: http://www.kernel.org
Desc: Linux 3.10.59
+Patch: 1059_linux-3.10.60.patch
+From: http://www.kernel.org
+Desc: Linux 3.10.60
+
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/1059_linux-3.10.60.patch b/1059_linux-3.10.60.patch
new file mode 100644
index 0000000..92b4f57
--- /dev/null
+++ b/1059_linux-3.10.60.patch
@@ -0,0 +1,4170 @@
+diff --git a/Makefile b/Makefile
+index 7baf27f5cf0f..9d4f30d0d201 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 10
+-SUBLEVEL = 59
++SUBLEVEL = 60
+ EXTRAVERSION =
+ NAME = TOSSUG Baby Fish
+
+diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts
+index 4f31b2eb5cdf..398064cef746 100644
+--- a/arch/arc/boot/dts/nsimosci.dts
++++ b/arch/arc/boot/dts/nsimosci.dts
+@@ -20,7 +20,7 @@
+ /* this is for console on PGU */
+ /* bootargs = "console=tty0 consoleblank=0"; */
+ /* this is for console on serial */
+- bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=ttyS0,115200n8 consoleblank=0 debug";
++ bootargs = "earlycon=uart8250,mmio32,0xc0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblank=0 debug";
+ };
+
+ aliases {
+diff --git a/arch/arc/include/asm/kgdb.h b/arch/arc/include/asm/kgdb.h
+index 4930957ca3d3..e897610c657a 100644
+--- a/arch/arc/include/asm/kgdb.h
++++ b/arch/arc/include/asm/kgdb.h
+@@ -19,7 +19,7 @@
+ * register API yet */
+ #undef DBG_MAX_REG_NUM
+
+-#define GDB_MAX_REGS 39
++#define GDB_MAX_REGS 87
+
+ #define BREAK_INSTR_SIZE 2
+ #define CACHE_FLUSH_IS_SAFE 1
+@@ -33,23 +33,27 @@ static inline void arch_kgdb_breakpoint(void)
+
+ extern void kgdb_trap(struct pt_regs *regs, int param);
+
+-enum arc700_linux_regnums {
++/* This is the numbering of registers according to the GDB. See GDB's
++ * arc-tdep.h for details.
++ *
++ * Registers are ordered for GDB 7.5. It is incompatible with GDB 6.8. */
++enum arc_linux_regnums {
+ _R0 = 0,
+ _R1, _R2, _R3, _R4, _R5, _R6, _R7, _R8, _R9, _R10, _R11, _R12, _R13,
+ _R14, _R15, _R16, _R17, _R18, _R19, _R20, _R21, _R22, _R23, _R24,
+ _R25, _R26,
+- _BTA = 27,
+- _LP_START = 28,
+- _LP_END = 29,
+- _LP_COUNT = 30,
+- _STATUS32 = 31,
+- _BLINK = 32,
+- _FP = 33,
+- __SP = 34,
+- _EFA = 35,
+- _RET = 36,
+- _ORIG_R8 = 37,
+- _STOP_PC = 38
++ _FP = 27,
++ __SP = 28,
++ _R30 = 30,
++ _BLINK = 31,
++ _LP_COUNT = 60,
++ _STOP_PC = 64,
++ _RET = 64,
++ _LP_START = 65,
++ _LP_END = 66,
++ _STATUS32 = 67,
++ _ECR = 76,
++ _BTA = 82,
+ };
+
+ #else
+diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
+index 0e17e1352718..a91a7a99f70f 100644
+--- a/arch/mips/mm/tlbex.c
++++ b/arch/mips/mm/tlbex.c
+@@ -1091,6 +1091,7 @@ static void __cpuinit build_update_entries(u32 **p, unsigned int tmp,
+ struct mips_huge_tlb_info {
+ int huge_pte;
+ int restore_scratch;
++ bool need_reload_pte;
+ };
+
+ static struct mips_huge_tlb_info __cpuinit
+@@ -1105,6 +1106,7 @@ build_fast_tlb_refill_handler (u32 **p, struct uasm_label **l,
+
+ rv.huge_pte = scratch;
+ rv.restore_scratch = 0;
++ rv.need_reload_pte = false;
+
+ if (check_for_high_segbits) {
+ UASM_i_MFC0(p, tmp, C0_BADVADDR);
+@@ -1293,6 +1295,7 @@ static void __cpuinit build_r4000_tlb_refill_handler(void)
+ } else {
+ htlb_info.huge_pte = K0;
+ htlb_info.restore_scratch = 0;
++ htlb_info.need_reload_pte = true;
+ vmalloc_mode = refill_noscratch;
+ /*
+ * create the plain linear handler
+@@ -1329,7 +1332,8 @@ static void __cpuinit build_r4000_tlb_refill_handler(void)
+ }
+ #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
+ uasm_l_tlb_huge_update(&l, p);
+- UASM_i_LW(&p, K0, 0, K1);
++ if (htlb_info.need_reload_pte)
++ UASM_i_LW(&p, htlb_info.huge_pte, 0, K1);
+ build_huge_update_entries(&p, htlb_info.huge_pte, K1);
+ build_huge_tlb_write_entry(&p, &l, &r, K0, tlb_random,
+ htlb_info.restore_scratch);
+diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
+index 474dc1b59f72..c9305ef1d411 100644
+--- a/arch/x86/ia32/ia32entry.S
++++ b/arch/x86/ia32/ia32entry.S
+@@ -151,6 +151,16 @@ ENTRY(ia32_sysenter_target)
+ 1: movl (%rbp),%ebp
+ _ASM_EXTABLE(1b,ia32_badarg)
+ ASM_CLAC
++
++ /*
++ * Sysenter doesn't filter flags, so we need to clear NT
++ * ourselves. To save a few cycles, we can check whether
++ * NT was set instead of doing an unconditional popfq.
++ */
++ testl $X86_EFLAGS_NT,EFLAGS-ARGOFFSET(%rsp)
++ jnz sysenter_fix_flags
++sysenter_flags_fixed:
++
+ orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+ CFI_REMEMBER_STATE
+@@ -184,6 +194,8 @@ sysexit_from_sys_call:
+ TRACE_IRQS_ON
+ ENABLE_INTERRUPTS_SYSEXIT32
+
++ CFI_RESTORE_STATE
++
+ #ifdef CONFIG_AUDITSYSCALL
+ .macro auditsys_entry_common
+ movl %esi,%r9d /* 6th arg: 4th syscall arg */
+@@ -226,7 +238,6 @@ sysexit_from_sys_call:
+ .endm
+
+ sysenter_auditsys:
+- CFI_RESTORE_STATE
+ auditsys_entry_common
+ movl %ebp,%r9d /* reload 6th syscall arg */
+ jmp sysenter_dispatch
+@@ -235,6 +246,11 @@ sysexit_audit:
+ auditsys_exit sysexit_from_sys_call
+ #endif
+
++sysenter_fix_flags:
++ pushq_cfi $(X86_EFLAGS_IF|X86_EFLAGS_FIXED)
++ popfq_cfi
++ jmp sysenter_flags_fixed
++
+ sysenter_tracesys:
+ #ifdef CONFIG_AUDITSYSCALL
+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
+index 9c999c1674fa..01f15b227d7e 100644
+--- a/arch/x86/include/asm/elf.h
++++ b/arch/x86/include/asm/elf.h
+@@ -155,8 +155,9 @@ do { \
+ #define elf_check_arch(x) \
+ ((x)->e_machine == EM_X86_64)
+
+-#define compat_elf_check_arch(x) \
+- (elf_check_arch_ia32(x) || (x)->e_machine == EM_X86_64)
++#define compat_elf_check_arch(x) \
++ (elf_check_arch_ia32(x) || \
++ (IS_ENABLED(CONFIG_X86_X32_ABI) && (x)->e_machine == EM_X86_64))
+
+ #if __USER32_DS != __USER_DS
+ # error "The following code assumes __USER32_DS == __USER_DS"
+diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
+index 373058c9b75d..4c481e751e8e 100644
+--- a/arch/x86/include/asm/kvm_host.h
++++ b/arch/x86/include/asm/kvm_host.h
+@@ -953,6 +953,20 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
+ kvm_queue_exception_e(vcpu, GP_VECTOR, error_code);
+ }
+
++static inline u64 get_canonical(u64 la)
++{
++ return ((int64_t)la << 16) >> 16;
++}
++
++static inline bool is_noncanonical_address(u64 la)
++{
++#ifdef CONFIG_X86_64
++ return get_canonical(la) != la;
++#else
++ return false;
++#endif
++}
++
+ #define TSS_IOPB_BASE_OFFSET 0x66
+ #define TSS_BASE_SIZE 0x68
+ #define TSS_IOPB_SIZE (65536 / 8)
+@@ -1011,7 +1025,7 @@ int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
+ void kvm_vcpu_reset(struct kvm_vcpu *vcpu);
+
+ void kvm_define_shared_msr(unsigned index, u32 msr);
+-void kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
++int kvm_set_shared_msr(unsigned index, u64 val, u64 mask);
+
+ bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip);
+
+diff --git a/arch/x86/include/uapi/asm/processor-flags.h b/arch/x86/include/uapi/asm/processor-flags.h
+index 54991a746043..b16e6d28f149 100644
+--- a/arch/x86/include/uapi/asm/processor-flags.h
++++ b/arch/x86/include/uapi/asm/processor-flags.h
+@@ -6,7 +6,7 @@
+ * EFLAGS bits
+ */
+ #define X86_EFLAGS_CF 0x00000001 /* Carry Flag */
+-#define X86_EFLAGS_BIT1 0x00000002 /* Bit 1 - always on */
++#define X86_EFLAGS_FIXED 0x00000002 /* Bit 1 - always on */
+ #define X86_EFLAGS_PF 0x00000004 /* Parity Flag */
+ #define X86_EFLAGS_AF 0x00000010 /* Auxiliary carry Flag */
+ #define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */
+diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
+index 904611bf0e5a..033eb44dc661 100644
+--- a/arch/x86/kernel/apic/apic.c
++++ b/arch/x86/kernel/apic/apic.c
+@@ -1263,7 +1263,7 @@ void __cpuinit setup_local_APIC(void)
+ unsigned int value, queued;
+ int i, j, acked = 0;
+ unsigned long long tsc = 0, ntsc;
+- long long max_loops = cpu_khz;
++ long long max_loops = cpu_khz ? cpu_khz : 1000000;
+
+ if (cpu_has_tsc)
+ rdtscll(tsc);
+@@ -1360,7 +1360,7 @@ void __cpuinit setup_local_APIC(void)
+ break;
+ }
+ if (queued) {
+- if (cpu_has_tsc) {
++ if (cpu_has_tsc && cpu_khz) {
+ rdtscll(ntsc);
+ max_loops = (cpu_khz << 10) - (ntsc - tsc);
+ } else
+diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
+index deeb48d9459b..6a7e3e9cffc3 100644
+--- a/arch/x86/kernel/cpu/common.c
++++ b/arch/x86/kernel/cpu/common.c
+@@ -1134,7 +1134,7 @@ void syscall_init(void)
+ /* Flags to clear on syscall */
+ wrmsrl(MSR_SYSCALL_MASK,
+ X86_EFLAGS_TF|X86_EFLAGS_DF|X86_EFLAGS_IF|
+- X86_EFLAGS_IOPL|X86_EFLAGS_AC);
++ X86_EFLAGS_IOPL|X86_EFLAGS_AC|X86_EFLAGS_NT);
+ }
+
+ /*
+diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
+index 39ba6914bbc6..8c6b5c2284c7 100644
+--- a/arch/x86/kernel/entry_64.S
++++ b/arch/x86/kernel/entry_64.S
+@@ -366,7 +366,7 @@ ENDPROC(native_usergs_sysret64)
+ /*CFI_REL_OFFSET ss,0*/
+ pushq_cfi %rax /* rsp */
+ CFI_REL_OFFSET rsp,0
+- pushq_cfi $(X86_EFLAGS_IF|X86_EFLAGS_BIT1) /* eflags - interrupts on */
++ pushq_cfi $(X86_EFLAGS_IF|X86_EFLAGS_FIXED) /* eflags - interrupts on */
+ /*CFI_REL_OFFSET rflags,0*/
+ pushq_cfi $__KERNEL_CS /* cs */
+ /*CFI_REL_OFFSET cs,0*/
+diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
+index 7305f7dfc7ab..0339f5c14bf9 100644
+--- a/arch/x86/kernel/process_32.c
++++ b/arch/x86/kernel/process_32.c
+@@ -147,7 +147,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
+ childregs->bp = arg;
+ childregs->orig_ax = -1;
+ childregs->cs = __KERNEL_CS | get_kernel_rpl();
+- childregs->flags = X86_EFLAGS_IF | X86_EFLAGS_BIT1;
++ childregs->flags = X86_EFLAGS_IF | X86_EFLAGS_FIXED;
+ p->fpu_counter = 0;
+ p->thread.io_bitmap_ptr = NULL;
+ memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
+diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
+index 355ae06dbf94..f99a242730e9 100644
+--- a/arch/x86/kernel/process_64.c
++++ b/arch/x86/kernel/process_64.c
+@@ -176,7 +176,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
+ childregs->bp = arg;
+ childregs->orig_ax = -1;
+ childregs->cs = __KERNEL_CS | get_kernel_rpl();
+- childregs->flags = X86_EFLAGS_IF | X86_EFLAGS_BIT1;
++ childregs->flags = X86_EFLAGS_IF | X86_EFLAGS_FIXED;
+ return 0;
+ }
+ *childregs = *current_pt_regs();
+diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
+index 087ab2af381a..66deef41512f 100644
+--- a/arch/x86/kernel/signal.c
++++ b/arch/x86/kernel/signal.c
+@@ -677,6 +677,11 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs)
+ * handler too.
+ */
+ regs->flags &= ~X86_EFLAGS_TF;
++ /*
++ * Ensure the signal handler starts with the new fpu state.
++ */
++ if (used_math())
++ drop_init_fpu(current);
+ }
+ signal_setup_done(failed, ksig, test_thread_flag(TIF_SINGLESTEP));
+ }
+diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
+index 098b3cfda72e..4e27ba53c40c 100644
+--- a/arch/x86/kernel/tsc.c
++++ b/arch/x86/kernel/tsc.c
+@@ -968,14 +968,17 @@ void __init tsc_init(void)
+
+ x86_init.timers.tsc_pre_init();
+
+- if (!cpu_has_tsc)
++ if (!cpu_has_tsc) {
++ setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
+ return;
++ }
+
+ tsc_khz = x86_platform.calibrate_tsc();
+ cpu_khz = tsc_khz;
+
+ if (!tsc_khz) {
+ mark_tsc_unstable("could not calculate TSC khz");
++ setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
+ return;
+ }
+
+diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
+index ada87a329edc..1ee723298e90 100644
+--- a/arch/x86/kernel/xsave.c
++++ b/arch/x86/kernel/xsave.c
+@@ -268,8 +268,6 @@ int save_xstate_sig(void __user *buf, void __user *buf_fx, int size)
+ if (use_fxsr() && save_xstate_epilog(buf_fx, ia32_fxstate))
+ return -1;
+
+- drop_init_fpu(tsk); /* trigger finit */
+-
+ return 0;
+ }
+
+@@ -400,8 +398,11 @@ int __restore_xstate_sig(void __user *buf, void __user *buf_fx, int size)
+ set_used_math();
+ }
+
+- if (use_eager_fpu())
++ if (use_eager_fpu()) {
++ preempt_disable();
+ math_state_restore();
++ preempt_enable();
++ }
+
+ return err;
+ } else {
+diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
+index fb3fddc322f8..4c01f022c6ac 100644
+--- a/arch/x86/kvm/emulate.c
++++ b/arch/x86/kvm/emulate.c
+@@ -663,11 +663,6 @@ static void rsp_increment(struct x86_emulate_ctxt *ctxt, int inc)
+ masked_increment(reg_rmw(ctxt, VCPU_REGS_RSP), stack_mask(ctxt), inc);
+ }
+
+-static inline void jmp_rel(struct x86_emulate_ctxt *ctxt, int rel)
+-{
+- register_address_increment(ctxt, &ctxt->_eip, rel);
+-}
+-
+ static u32 desc_limit_scaled(struct desc_struct *desc)
+ {
+ u32 limit = get_desc_limit(desc);
+@@ -741,6 +736,38 @@ static int emulate_nm(struct x86_emulate_ctxt *ctxt)
+ return emulate_exception(ctxt, NM_VECTOR, 0, false);
+ }
+
++static inline int assign_eip_far(struct x86_emulate_ctxt *ctxt, ulong dst,
++ int cs_l)
++{
++ switch (ctxt->op_bytes) {
++ case 2:
++ ctxt->_eip = (u16)dst;
++ break;
++ case 4:
++ ctxt->_eip = (u32)dst;
++ break;
++ case 8:
++ if ((cs_l && is_noncanonical_address(dst)) ||
++ (!cs_l && (dst & ~(u32)-1)))
++ return emulate_gp(ctxt, 0);
++ ctxt->_eip = dst;
++ break;
++ default:
++ WARN(1, "unsupported eip assignment size\n");
++ }
++ return X86EMUL_CONTINUE;
++}
++
++static inline int assign_eip_near(struct x86_emulate_ctxt *ctxt, ulong dst)
++{
++ return assign_eip_far(ctxt, dst, ctxt->mode == X86EMUL_MODE_PROT64);
++}
++
++static inline int jmp_rel(struct x86_emulate_ctxt *ctxt, int rel)
++{
++ return assign_eip_near(ctxt, ctxt->_eip + rel);
++}
++
+ static u16 get_segment_selector(struct x86_emulate_ctxt *ctxt, unsigned seg)
+ {
+ u16 selector;
+@@ -2161,13 +2188,15 @@ static int em_grp45(struct x86_emulate_ctxt *ctxt)
+ case 2: /* call near abs */ {
+ long int old_eip;
+ old_eip = ctxt->_eip;
+- ctxt->_eip = ctxt->src.val;
++ rc = assign_eip_near(ctxt, ctxt->src.val);
++ if (rc != X86EMUL_CONTINUE)
++ break;
+ ctxt->src.val = old_eip;
+ rc = em_push(ctxt);
+ break;
+ }
+ case 4: /* jmp abs */
+- ctxt->_eip = ctxt->src.val;
++ rc = assign_eip_near(ctxt, ctxt->src.val);
+ break;
+ case 5: /* jmp far */
+ rc = em_jmp_far(ctxt);
+@@ -2199,10 +2228,14 @@ static int em_cmpxchg8b(struct x86_emulate_ctxt *ctxt)
+
+ static int em_ret(struct x86_emulate_ctxt *ctxt)
+ {
+- ctxt->dst.type = OP_REG;
+- ctxt->dst.addr.reg = &ctxt->_eip;
+- ctxt->dst.bytes = ctxt->op_bytes;
+- return em_pop(ctxt);
++ int rc;
++ unsigned long eip;
++
++ rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
++ if (rc != X86EMUL_CONTINUE)
++ return rc;
++
++ return assign_eip_near(ctxt, eip);
+ }
+
+ static int em_ret_far(struct x86_emulate_ctxt *ctxt)
+@@ -2469,7 +2502,7 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
+ {
+ const struct x86_emulate_ops *ops = ctxt->ops;
+ struct desc_struct cs, ss;
+- u64 msr_data;
++ u64 msr_data, rcx, rdx;
+ int usermode;
+ u16 cs_sel = 0, ss_sel = 0;
+
+@@ -2485,6 +2518,9 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
+ else
+ usermode = X86EMUL_MODE_PROT32;
+
++ rcx = reg_read(ctxt, VCPU_REGS_RCX);
++ rdx = reg_read(ctxt, VCPU_REGS_RDX);
++
+ cs.dpl = 3;
+ ss.dpl = 3;
+ ops->get_msr(ctxt, MSR_IA32_SYSENTER_CS, &msr_data);
+@@ -2502,6 +2538,9 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
+ ss_sel = cs_sel + 8;
+ cs.d = 0;
+ cs.l = 1;
++ if (is_noncanonical_address(rcx) ||
++ is_noncanonical_address(rdx))
++ return emulate_gp(ctxt, 0);
+ break;
+ }
+ cs_sel |= SELECTOR_RPL_MASK;
+@@ -2510,8 +2549,8 @@ static int em_sysexit(struct x86_emulate_ctxt *ctxt)
+ ops->set_segment(ctxt, cs_sel, &cs, 0, VCPU_SREG_CS);
+ ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);
+
+- ctxt->_eip = reg_read(ctxt, VCPU_REGS_RDX);
+- *reg_write(ctxt, VCPU_REGS_RSP) = reg_read(ctxt, VCPU_REGS_RCX);
++ ctxt->_eip = rdx;
++ *reg_write(ctxt, VCPU_REGS_RSP) = rcx;
+
+ return X86EMUL_CONTINUE;
+ }
+@@ -3050,10 +3089,13 @@ static int em_aad(struct x86_emulate_ctxt *ctxt)
+
+ static int em_call(struct x86_emulate_ctxt *ctxt)
+ {
++ int rc;
+ long rel = ctxt->src.val;
+
+ ctxt->src.val = (unsigned long)ctxt->_eip;
+- jmp_rel(ctxt, rel);
++ rc = jmp_rel(ctxt, rel);
++ if (rc != X86EMUL_CONTINUE)
++ return rc;
+ return em_push(ctxt);
+ }
+
+@@ -3085,11 +3127,12 @@ static int em_call_far(struct x86_emulate_ctxt *ctxt)
+ static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt)
+ {
+ int rc;
++ unsigned long eip;
+
+- ctxt->dst.type = OP_REG;
+- ctxt->dst.addr.reg = &ctxt->_eip;
+- ctxt->dst.bytes = ctxt->op_bytes;
+- rc = emulate_pop(ctxt, &ctxt->dst.val, ctxt->op_bytes);
++ rc = emulate_pop(ctxt, &eip, ctxt->op_bytes);
++ if (rc != X86EMUL_CONTINUE)
++ return rc;
++ rc = assign_eip_near(ctxt, eip);
+ if (rc != X86EMUL_CONTINUE)
+ return rc;
+ rsp_increment(ctxt, ctxt->src.val);
+@@ -3379,20 +3422,24 @@ static int em_lmsw(struct x86_emulate_ctxt *ctxt)
+
+ static int em_loop(struct x86_emulate_ctxt *ctxt)
+ {
++ int rc = X86EMUL_CONTINUE;
++
+ register_address_increment(ctxt, reg_rmw(ctxt, VCPU_REGS_RCX), -1);
+ if ((address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) != 0) &&
+ (ctxt->b == 0xe2 || test_cc(ctxt->b ^ 0x5, ctxt->eflags)))
+- jmp_rel(ctxt, ctxt->src.val);
++ rc = jmp_rel(ctxt, ctxt->src.val);
+
+- return X86EMUL_CONTINUE;
++ return rc;
+ }
+
+ static int em_jcxz(struct x86_emulate_ctxt *ctxt)
+ {
++ int rc = X86EMUL_CONTINUE;
++
+ if (address_mask(ctxt, reg_read(ctxt, VCPU_REGS_RCX)) == 0)
+- jmp_rel(ctxt, ctxt->src.val);
++ rc = jmp_rel(ctxt, ctxt->src.val);
+
+- return X86EMUL_CONTINUE;
++ return rc;
+ }
+
+ static int em_in(struct x86_emulate_ctxt *ctxt)
+@@ -4721,7 +4768,7 @@ special_insn:
+ break;
+ case 0x70 ... 0x7f: /* jcc (short) */
+ if (test_cc(ctxt->b, ctxt->eflags))
+- jmp_rel(ctxt, ctxt->src.val);
++ rc = jmp_rel(ctxt, ctxt->src.val);
+ break;
+ case 0x8d: /* lea r16/r32, m */
+ ctxt->dst.val = ctxt->src.addr.mem.ea;
+@@ -4750,7 +4797,7 @@ special_insn:
+ break;
+ case 0xe9: /* jmp rel */
+ case 0xeb: /* jmp rel short */
+- jmp_rel(ctxt, ctxt->src.val);
++ rc = jmp_rel(ctxt, ctxt->src.val);
+ ctxt->dst.type = OP_NONE; /* Disable writeback. */
+ break;
+ case 0xf4: /* hlt */
+@@ -4862,7 +4909,7 @@ twobyte_insn:
+ break;
+ case 0x80 ... 0x8f: /* jnz rel, etc*/
+ if (test_cc(ctxt->b, ctxt->eflags))
+- jmp_rel(ctxt, ctxt->src.val);
++ rc = jmp_rel(ctxt, ctxt->src.val);
+ break;
+ case 0x90 ... 0x9f: /* setcc r/m8 */
+ ctxt->dst.val = test_cc(ctxt->b, ctxt->eflags);
+diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
+index 518d86471b76..298781d4cfb4 100644
+--- a/arch/x86/kvm/i8254.c
++++ b/arch/x86/kvm/i8254.c
+@@ -262,8 +262,10 @@ void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
+ return;
+
+ timer = &pit->pit_state.timer;
++ mutex_lock(&pit->pit_state.lock);
+ if (hrtimer_cancel(timer))
+ hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
++ mutex_unlock(&pit->pit_state.lock);
+ }
+
+ static void destroy_pit_timer(struct kvm_pit *pit)
+diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
+index 765210d4d925..8bf40a243d75 100644
+--- a/arch/x86/kvm/svm.c
++++ b/arch/x86/kvm/svm.c
+@@ -3196,7 +3196,7 @@ static int wrmsr_interception(struct vcpu_svm *svm)
+ msr.host_initiated = false;
+
+ svm->next_rip = kvm_rip_read(&svm->vcpu) + 2;
+- if (svm_set_msr(&svm->vcpu, &msr)) {
++ if (kvm_set_msr(&svm->vcpu, &msr)) {
+ trace_kvm_msr_write_ex(ecx, data);
+ kvm_inject_gp(&svm->vcpu, 0);
+ } else {
+@@ -3478,9 +3478,9 @@ static int handle_exit(struct kvm_vcpu *vcpu)
+
+ if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
+ || !svm_exit_handlers[exit_code]) {
+- kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
+- kvm_run->hw.hardware_exit_reason = exit_code;
+- return 0;
++ WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_code);
++ kvm_queue_exception(vcpu, UD_VECTOR);
++ return 1;
+ }
+
+ return svm_exit_handlers[exit_code](svm);
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index 7cdafb6dc705..51139ff34917 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -2493,12 +2493,15 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
+ break;
+ msr = find_msr_entry(vmx, msr_index);
+ if (msr) {
++ u64 old_msr_data = msr->data;
+ msr->data = data;
+ if (msr - vmx->guest_msrs < vmx->save_nmsrs) {
+ preempt_disable();
+- kvm_set_shared_msr(msr->index, msr->data,
+- msr->mask);
++ ret = kvm_set_shared_msr(msr->index, msr->data,
++ msr->mask);
+ preempt_enable();
++ if (ret)
++ msr->data = old_msr_data;
+ }
+ break;
+ }
+@@ -5062,7 +5065,7 @@ static int handle_wrmsr(struct kvm_vcpu *vcpu)
+ msr.data = data;
+ msr.index = ecx;
+ msr.host_initiated = false;
+- if (vmx_set_msr(vcpu, &msr) != 0) {
++ if (kvm_set_msr(vcpu, &msr) != 0) {
+ trace_kvm_msr_write_ex(ecx, data);
+ kvm_inject_gp(vcpu, 0);
+ return 1;
+@@ -6651,10 +6654,10 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
+ && kvm_vmx_exit_handlers[exit_reason])
+ return kvm_vmx_exit_handlers[exit_reason](vcpu);
+ else {
+- vcpu->run->exit_reason = KVM_EXIT_UNKNOWN;
+- vcpu->run->hw.hardware_exit_reason = exit_reason;
++ WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_reason);
++ kvm_queue_exception(vcpu, UD_VECTOR);
++ return 1;
+ }
+- return 0;
+ }
+
+ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
+@@ -7949,7 +7952,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
+
+ kvm_register_write(vcpu, VCPU_REGS_RSP, vmcs12->host_rsp);
+ kvm_register_write(vcpu, VCPU_REGS_RIP, vmcs12->host_rip);
+- vmx_set_rflags(vcpu, X86_EFLAGS_BIT1);
++ vmx_set_rflags(vcpu, X86_EFLAGS_FIXED);
+ /*
+ * Note that calling vmx_set_cr0 is important, even if cr0 hasn't
+ * actually changed, because it depends on the current state of
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index e8753555f144..684f46dc87de 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -225,20 +225,25 @@ static void kvm_shared_msr_cpu_online(void)
+ shared_msr_update(i, shared_msrs_global.msrs[i]);
+ }
+
+-void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask)
++int kvm_set_shared_msr(unsigned slot, u64 value, u64 mask)
+ {
+ unsigned int cpu = smp_processor_id();
+ struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu);
++ int err;
+
+ if (((value ^ smsr->values[slot].curr) & mask) == 0)
+- return;
++ return 0;
+ smsr->values[slot].curr = value;
+- wrmsrl(shared_msrs_global.msrs[slot], value);
++ err = wrmsrl_safe(shared_msrs_global.msrs[slot], value);
++ if (err)
++ return 1;
++
+ if (!smsr->registered) {
+ smsr->urn.on_user_return = kvm_on_user_return;
+ user_return_notifier_register(&smsr->urn);
+ smsr->registered = true;
+ }
++ return 0;
+ }
+ EXPORT_SYMBOL_GPL(kvm_set_shared_msr);
+
+@@ -920,7 +925,6 @@ void kvm_enable_efer_bits(u64 mask)
+ }
+ EXPORT_SYMBOL_GPL(kvm_enable_efer_bits);
+
+-
+ /*
+ * Writes msr value into into the appropriate "register".
+ * Returns 0 on success, non-0 otherwise.
+@@ -928,8 +932,34 @@ EXPORT_SYMBOL_GPL(kvm_enable_efer_bits);
+ */
+ int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
+ {
++ switch (msr->index) {
++ case MSR_FS_BASE:
++ case MSR_GS_BASE:
++ case MSR_KERNEL_GS_BASE:
++ case MSR_CSTAR:
++ case MSR_LSTAR:
++ if (is_noncanonical_address(msr->data))
++ return 1;
++ break;
++ case MSR_IA32_SYSENTER_EIP:
++ case MSR_IA32_SYSENTER_ESP:
++ /*
++ * IA32_SYSENTER_ESP and IA32_SYSENTER_EIP cause #GP if
++ * non-canonical address is written on Intel but not on
++ * AMD (which ignores the top 32-bits, because it does
++ * not implement 64-bit SYSENTER).
++ *
++ * 64-bit code should hence be able to write a non-canonical
++ * value on AMD. Making the address canonical ensures that
++ * vmentry does not fail on Intel after writing a non-canonical
++ * value, and that something deterministic happens if the guest
++ * invokes 64-bit SYSENTER.
++ */
++ msr->data = get_canonical(msr->data);
++ }
+ return kvm_x86_ops->set_msr(vcpu, msr);
+ }
++EXPORT_SYMBOL_GPL(kvm_set_msr);
+
+ /*
+ * Adapt set_msr() to msr_io()'s calling convention
+diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
+index bb32480c2d71..aabdf762f592 100644
+--- a/arch/x86/mm/pageattr.c
++++ b/arch/x86/mm/pageattr.c
+@@ -389,7 +389,7 @@ phys_addr_t slow_virt_to_phys(void *__virt_addr)
+ psize = page_level_size(level);
+ pmask = page_level_mask(level);
+ offset = virt_addr & ~pmask;
+- phys_addr = pte_pfn(*pte) << PAGE_SHIFT;
++ phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT;
+ return (phys_addr | offset);
+ }
+ EXPORT_SYMBOL_GPL(slow_virt_to_phys);
+diff --git a/block/blk-settings.c b/block/blk-settings.c
+index 53309333c2f0..ec00a0f75212 100644
+--- a/block/blk-settings.c
++++ b/block/blk-settings.c
+@@ -553,7 +553,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
+ bottom = max(b->physical_block_size, b->io_min) + alignment;
+
+ /* Verify that top and bottom intervals line up */
+- if (max(top, bottom) & (min(top, bottom) - 1)) {
++ if (max(top, bottom) % min(top, bottom)) {
+ t->misaligned = 1;
+ ret = -1;
+ }
+@@ -594,7 +594,7 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
+
+ /* Find lowest common alignment_offset */
+ t->alignment_offset = lcm(t->alignment_offset, alignment)
+- & (max(t->physical_block_size, t->io_min) - 1);
++ % max(t->physical_block_size, t->io_min);
+
+ /* Verify that new alignment_offset is on a logical block boundary */
+ if (t->alignment_offset & (t->logical_block_size - 1)) {
+diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
+index a5ffcc988f0b..1b4988b4bc11 100644
+--- a/block/scsi_ioctl.c
++++ b/block/scsi_ioctl.c
+@@ -506,7 +506,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+
+ if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) {
+ err = DRIVER_ERROR << 24;
+- goto out;
++ goto error;
+ }
+
+ memset(sense, 0, sizeof(sense));
+@@ -516,7 +516,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
+
+ blk_execute_rq(q, disk, rq, 0);
+
+-out:
+ err = rq->errors & 0xff; /* only 8 bit SCSI status */
+ if (err) {
+ if (rq->sense_len && rq->sense) {
+diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
+index a19c027b29bd..83187f497c7c 100644
+--- a/crypto/algif_skcipher.c
++++ b/crypto/algif_skcipher.c
+@@ -49,7 +49,7 @@ struct skcipher_ctx {
+ struct ablkcipher_request req;
+ };
+
+-#define MAX_SGL_ENTS ((PAGE_SIZE - sizeof(struct skcipher_sg_list)) / \
++#define MAX_SGL_ENTS ((4096 - sizeof(struct skcipher_sg_list)) / \
+ sizeof(struct scatterlist) - 1)
+
+ static inline int skcipher_sndbuf(struct sock *sk)
+diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
+index b603720b877d..37acda6fa7e4 100644
+--- a/drivers/ata/libata-sff.c
++++ b/drivers/ata/libata-sff.c
+@@ -2008,13 +2008,15 @@ static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
+
+ DPRINTK("ata%u: bus reset via SRST\n", ap->print_id);
+
+- /* software reset. causes dev0 to be selected */
+- iowrite8(ap->ctl, ioaddr->ctl_addr);
+- udelay(20); /* FIXME: flush */
+- iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
+- udelay(20); /* FIXME: flush */
+- iowrite8(ap->ctl, ioaddr->ctl_addr);
+- ap->last_ctl = ap->ctl;
++ if (ap->ioaddr.ctl_addr) {
++ /* software reset. causes dev0 to be selected */
++ iowrite8(ap->ctl, ioaddr->ctl_addr);
++ udelay(20); /* FIXME: flush */
++ iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
++ udelay(20); /* FIXME: flush */
++ iowrite8(ap->ctl, ioaddr->ctl_addr);
++ ap->last_ctl = ap->ctl;
++ }
+
+ /* wait the port to become ready */
+ return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
+@@ -2215,10 +2217,6 @@ void ata_sff_error_handler(struct ata_port *ap)
+
+ spin_unlock_irqrestore(ap->lock, flags);
+
+- /* ignore ata_sff_softreset if ctl isn't accessible */
+- if (softreset == ata_sff_softreset && !ap->ioaddr.ctl_addr)
+- softreset = NULL;
+-
+ /* ignore built-in hardresets if SCR access is not available */
+ if ((hardreset == sata_std_hardreset ||
+ hardreset == sata_sff_hardreset) && !sata_scr_valid(&ap->link))
+diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
+index f3febbce6c46..34c91ac3a814 100644
+--- a/drivers/ata/pata_serverworks.c
++++ b/drivers/ata/pata_serverworks.c
+@@ -252,12 +252,18 @@ static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev
+ pci_write_config_byte(pdev, 0x54, ultra_cfg);
+ }
+
+-static struct scsi_host_template serverworks_sht = {
++static struct scsi_host_template serverworks_osb4_sht = {
++ ATA_BMDMA_SHT(DRV_NAME),
++ .sg_tablesize = LIBATA_DUMB_MAX_PRD,
++};
++
++static struct scsi_host_template serverworks_csb_sht = {
+ ATA_BMDMA_SHT(DRV_NAME),
+ };
+
+ static struct ata_port_operations serverworks_osb4_port_ops = {
+ .inherits = &ata_bmdma_port_ops,
++ .qc_prep = ata_bmdma_dumb_qc_prep,
+ .cable_detect = serverworks_cable_detect,
+ .mode_filter = serverworks_osb4_filter,
+ .set_piomode = serverworks_set_piomode,
+@@ -266,6 +272,7 @@ static struct ata_port_operations serverworks_osb4_port_ops = {
+
+ static struct ata_port_operations serverworks_csb_port_ops = {
+ .inherits = &serverworks_osb4_port_ops,
++ .qc_prep = ata_bmdma_qc_prep,
+ .mode_filter = serverworks_csb_filter,
+ };
+
+@@ -405,6 +412,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
+ }
+ };
+ const struct ata_port_info *ppi[] = { &info[id->driver_data], NULL };
++ struct scsi_host_template *sht = &serverworks_csb_sht;
+ int rc;
+
+ rc = pcim_enable_device(pdev);
+@@ -418,6 +426,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
+ /* Select non UDMA capable OSB4 if we can't do fixups */
+ if (rc < 0)
+ ppi[0] = &info[1];
++ sht = &serverworks_osb4_sht;
+ }
+ /* setup CSB5/CSB6 : South Bridge and IDE option RAID */
+ else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||
+@@ -434,7 +443,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
+ ppi[1] = &ata_dummy_port_info;
+ }
+
+- return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
++ return ata_pci_bmdma_init_one(pdev, ppi, sht, NULL, 0);
+ }
+
+ #ifdef CONFIG_PM
+diff --git a/drivers/base/core.c b/drivers/base/core.c
+index ca4bcb8b3938..2a19097a7cb1 100644
+--- a/drivers/base/core.c
++++ b/drivers/base/core.c
+@@ -765,12 +765,12 @@ class_dir_create_and_add(struct class *class, struct kobject *parent_kobj)
+ return &dir->kobj;
+ }
+
++static DEFINE_MUTEX(gdp_mutex);
+
+ static struct kobject *get_device_parent(struct device *dev,
+ struct device *parent)
+ {
+ if (dev->class) {
+- static DEFINE_MUTEX(gdp_mutex);
+ struct kobject *kobj = NULL;
+ struct kobject *parent_kobj;
+ struct kobject *k;
+@@ -834,7 +834,9 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir)
+ glue_dir->kset != &dev->class->p->glue_dirs)
+ return;
+
++ mutex_lock(&gdp_mutex);
+ kobject_put(glue_dir);
++ mutex_unlock(&gdp_mutex);
+ }
+
+ static void cleanup_device_parent(struct device *dev)
+diff --git a/drivers/block/drbd/drbd_interval.c b/drivers/block/drbd/drbd_interval.c
+index 89c497c630b4..04a14e0f8878 100644
+--- a/drivers/block/drbd/drbd_interval.c
++++ b/drivers/block/drbd/drbd_interval.c
+@@ -79,6 +79,7 @@ bool
+ drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
+ {
+ struct rb_node **new = &root->rb_node, *parent = NULL;
++ sector_t this_end = this->sector + (this->size >> 9);
+
+ BUG_ON(!IS_ALIGNED(this->size, 512));
+
+@@ -87,6 +88,8 @@ drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
+ rb_entry(*new, struct drbd_interval, rb);
+
+ parent = *new;
++ if (here->end < this_end)
++ here->end = this_end;
+ if (this->sector < here->sector)
+ new = &(*new)->rb_left;
+ else if (this->sector > here->sector)
+@@ -99,6 +102,7 @@ drbd_insert_interval(struct rb_root *root, struct drbd_interval *this)
+ return false;
+ }
+
++ this->end = this_end;
+ rb_link_node(&this->rb, parent, new);
+ rb_insert_augmented(&this->rb, root, &augment_callbacks);
+ return true;
+diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
+index 07caf44d5755..9951e66b8502 100644
+--- a/drivers/block/rbd.c
++++ b/drivers/block/rbd.c
+@@ -3227,7 +3227,7 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev,
+ page_count = (u32) calc_pages_for(offset, length);
+ pages = ceph_alloc_page_vector(page_count, GFP_KERNEL);
+ if (IS_ERR(pages))
+- ret = PTR_ERR(pages);
++ return PTR_ERR(pages);
+
+ ret = -ENOMEM;
+ obj_request = rbd_obj_request_create(object_name, offset, length,
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index 81eefa1c0d3f..aee3464a5bdc 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -933,8 +933,8 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
+ * pool while mixing, and hash one final time.
+ */
+ sha_transform(hash.w, extract, workspace);
+- memset(extract, 0, sizeof(extract));
+- memset(workspace, 0, sizeof(workspace));
++ memzero_explicit(extract, sizeof(extract));
++ memzero_explicit(workspace, sizeof(workspace));
+
+ /*
+ * In case the hash function has some recognizable output
+@@ -957,7 +957,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
+ }
+
+ memcpy(out, &hash, EXTRACT_SIZE);
+- memset(&hash, 0, sizeof(hash));
++ memzero_explicit(&hash, sizeof(hash));
+ }
+
+ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
+@@ -1005,7 +1005,7 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
+ }
+
+ /* Wipe data just returned from memory */
+- memset(tmp, 0, sizeof(tmp));
++ memzero_explicit(tmp, sizeof(tmp));
+
+ return ret;
+ }
+@@ -1043,7 +1043,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
+ }
+
+ /* Wipe data just returned from memory */
+- memset(tmp, 0, sizeof(tmp));
++ memzero_explicit(tmp, sizeof(tmp));
+
+ return ret;
+ }
+diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
+index 34d19b1984a1..decf84e71943 100644
+--- a/drivers/cpufreq/intel_pstate.c
++++ b/drivers/cpufreq/intel_pstate.c
+@@ -599,6 +599,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
+ if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
+ limits.min_perf_pct = 100;
+ limits.min_perf = int_tofp(1);
++ limits.max_policy_pct = 100;
+ limits.max_perf_pct = 100;
+ limits.max_perf = int_tofp(1);
+ limits.no_turbo = 0;
+diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c
+index 7f3c57113ba1..1e08ce765f0c 100644
+--- a/drivers/edac/cpc925_edac.c
++++ b/drivers/edac/cpc925_edac.c
+@@ -562,7 +562,7 @@ static void cpc925_mc_check(struct mem_ctl_info *mci)
+
+ if (apiexcp & UECC_EXCP_DETECTED) {
+ cpc925_mc_printk(mci, KERN_INFO, "DRAM UECC Fault\n");
+- edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
++ edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
+ pfn, offset, 0,
+ csrow, -1, -1,
+ mci->ctl_name, "");
+diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
+index 1c4056a50383..2697deae3ab7 100644
+--- a/drivers/edac/e7xxx_edac.c
++++ b/drivers/edac/e7xxx_edac.c
+@@ -226,7 +226,7 @@ static void process_ce(struct mem_ctl_info *mci, struct e7xxx_error_info *info)
+ static void process_ce_no_info(struct mem_ctl_info *mci)
+ {
+ edac_dbg(3, "\n");
+- edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0, -1, -1, -1,
++ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0, -1, -1, -1,
+ "e7xxx CE log register overflow", "");
+ }
+
+diff --git a/drivers/edac/i3200_edac.c b/drivers/edac/i3200_edac.c
+index aa44c1718f50..71b26513b93b 100644
+--- a/drivers/edac/i3200_edac.c
++++ b/drivers/edac/i3200_edac.c
+@@ -242,11 +242,11 @@ static void i3200_process_error_info(struct mem_ctl_info *mci,
+ -1, -1,
+ "i3000 UE", "");
+ } else if (log & I3200_ECCERRLOG_CE) {
+- edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
++ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
+ 0, 0, eccerrlog_syndrome(log),
+ eccerrlog_row(channel, log),
+ -1, -1,
+- "i3000 UE", "");
++ "i3000 CE", "");
+ }
+ }
+ }
+diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
+index 3e3e431c8301..b93b0d006ebb 100644
+--- a/drivers/edac/i82860_edac.c
++++ b/drivers/edac/i82860_edac.c
+@@ -124,7 +124,7 @@ static int i82860_process_error_info(struct mem_ctl_info *mci,
+ dimm->location[0], dimm->location[1], -1,
+ "i82860 UE", "");
+ else
+- edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
++ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
+ info->eap, 0, info->derrsyn,
+ dimm->location[0], dimm->location[1], -1,
+ "i82860 CE", "");
+diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
+index 7fc9f7272b56..e8f6418b6dec 100644
+--- a/drivers/gpu/drm/ast/ast_mode.c
++++ b/drivers/gpu/drm/ast/ast_mode.c
+@@ -1012,8 +1012,8 @@ static u32 copy_cursor_image(u8 *src, u8 *dst, int width, int height)
+ srcdata32[1].ul = *((u32 *)(srcxor + 4)) & 0xf0f0f0f0;
+ data32.b[0] = srcdata32[0].b[1] | (srcdata32[0].b[0] >> 4);
+ data32.b[1] = srcdata32[0].b[3] | (srcdata32[0].b[2] >> 4);
+- data32.b[2] = srcdata32[0].b[1] | (srcdata32[1].b[0] >> 4);
+- data32.b[3] = srcdata32[0].b[3] | (srcdata32[1].b[2] >> 4);
++ data32.b[2] = srcdata32[1].b[1] | (srcdata32[1].b[0] >> 4);
++ data32.b[3] = srcdata32[1].b[3] | (srcdata32[1].b[2] >> 4);
+
+ writel(data32.ul, dstxor);
+ csum += data32.ul;
+diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+index 2d9b9d7a7992..f3edd2841f2d 100644
+--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
++++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+@@ -124,6 +124,7 @@ dcb_outp_parse(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len,
+ struct dcb_output *outp)
+ {
+ u16 dcb = dcb_outp(bios, idx, ver, len);
++ memset(outp, 0x00, sizeof(*outp));
+ if (dcb) {
+ if (*ver >= 0x20) {
+ u32 conn = nv_ro32(bios, dcb + 0x00);
+diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+index f060b7487c34..f5ddd3550796 100644
+--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
++++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+@@ -78,6 +78,7 @@ static int modeset_init(struct drm_device *dev)
+ if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) {
+ /* oh nos! */
+ dev_err(dev->dev, "no encoders/connectors found\n");
++ drm_mode_config_cleanup(dev);
+ return -ENXIO;
+ }
+
+@@ -170,33 +171,37 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
+ dev->dev_private = priv;
+
+ priv->wq = alloc_ordered_workqueue("tilcdc", 0);
++ if (!priv->wq) {
++ ret = -ENOMEM;
++ goto fail_free_priv;
++ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(dev->dev, "failed to get memory resource\n");
+ ret = -EINVAL;
+- goto fail;
++ goto fail_free_wq;
+ }
+
+ priv->mmio = ioremap_nocache(res->start, resource_size(res));
+ if (!priv->mmio) {
+ dev_err(dev->dev, "failed to ioremap\n");
+ ret = -ENOMEM;
+- goto fail;
++ goto fail_free_wq;
+ }
+
+ priv->clk = clk_get(dev->dev, "fck");
+ if (IS_ERR(priv->clk)) {
+ dev_err(dev->dev, "failed to get functional clock\n");
+ ret = -ENODEV;
+- goto fail;
++ goto fail_iounmap;
+ }
+
+ priv->disp_clk = clk_get(dev->dev, "dpll_disp_ck");
+ if (IS_ERR(priv->clk)) {
+ dev_err(dev->dev, "failed to get display clock\n");
+ ret = -ENODEV;
+- goto fail;
++ goto fail_put_clk;
+ }
+
+ #ifdef CONFIG_CPU_FREQ
+@@ -206,7 +211,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
+ CPUFREQ_TRANSITION_NOTIFIER);
+ if (ret) {
+ dev_err(dev->dev, "failed to register cpufreq notifier\n");
+- goto fail;
++ goto fail_put_disp_clk;
+ }
+ #endif
+
+@@ -238,13 +243,13 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
+ ret = modeset_init(dev);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to initialize mode setting\n");
+- goto fail;
++ goto fail_cpufreq_unregister;
+ }
+
+ ret = drm_vblank_init(dev, 1);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to initialize vblank\n");
+- goto fail;
++ goto fail_mode_config_cleanup;
+ }
+
+ pm_runtime_get_sync(dev->dev);
+@@ -252,7 +257,7 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
+ pm_runtime_put_sync(dev->dev);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to install IRQ handler\n");
+- goto fail;
++ goto fail_vblank_cleanup;
+ }
+
+ platform_set_drvdata(pdev, dev);
+@@ -260,13 +265,48 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
+ priv->fbdev = drm_fbdev_cma_init(dev, 16,
+ dev->mode_config.num_crtc,
+ dev->mode_config.num_connector);
++ if (IS_ERR(priv->fbdev)) {
++ ret = PTR_ERR(priv->fbdev);
++ goto fail_irq_uninstall;
++ }
+
+ drm_kms_helper_poll_init(dev);
+
+ return 0;
+
+-fail:
+- tilcdc_unload(dev);
++fail_irq_uninstall:
++ pm_runtime_get_sync(dev->dev);
++ drm_irq_uninstall(dev);
++ pm_runtime_put_sync(dev->dev);
++
++fail_vblank_cleanup:
++ drm_vblank_cleanup(dev);
++
++fail_mode_config_cleanup:
++ drm_mode_config_cleanup(dev);
++
++fail_cpufreq_unregister:
++ pm_runtime_disable(dev->dev);
++#ifdef CONFIG_CPU_FREQ
++ cpufreq_unregister_notifier(&priv->freq_transition,
++ CPUFREQ_TRANSITION_NOTIFIER);
++fail_put_disp_clk:
++ clk_put(priv->disp_clk);
++#endif
++
++fail_put_clk:
++ clk_put(priv->clk);
++
++fail_iounmap:
++ iounmap(priv->mmio);
++
++fail_free_wq:
++ flush_workqueue(priv->wq);
++ destroy_workqueue(priv->wq);
++
++fail_free_priv:
++ dev->dev_private = NULL;
++ kfree(priv);
+ return ret;
+ }
+
+diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
+index b1240a250149..09324d0178d5 100644
+--- a/drivers/i2c/busses/i2c-at91.c
++++ b/drivers/i2c/busses/i2c-at91.c
+@@ -435,7 +435,7 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev)
+ }
+ }
+
+- ret = wait_for_completion_io_timeout(&dev->cmd_complete,
++ ret = wait_for_completion_timeout(&dev->cmd_complete,
+ dev->adapter.timeout);
+ if (ret == 0) {
+ dev_err(dev->dev, "controller timed out\n");
+diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
+index 1291673bd57e..ce715b1bee46 100644
+--- a/drivers/input/serio/i8042-x86ia64io.h
++++ b/drivers/input/serio/i8042-x86ia64io.h
+@@ -101,6 +101,12 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
+ },
+ {
+ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
++ },
++ },
++ {
++ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
+ DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
+@@ -609,6 +615,22 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
+ },
+ },
+ {
++ /* Fujitsu A544 laptop */
++ /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
++ },
++ },
++ {
++ /* Fujitsu AH544 laptop */
++ /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
++ },
++ },
++ {
+ /* Fujitsu U574 laptop */
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
+ .matches = {
+diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c
+index f0a3347b6441..516923926335 100644
+--- a/drivers/lguest/x86/core.c
++++ b/drivers/lguest/x86/core.c
+@@ -700,7 +700,7 @@ void lguest_arch_setup_regs(struct lg_cpu *cpu, unsigned long start)
+ * interrupts are enabled. We always leave interrupts enabled while
+ * running the Guest.
+ */
+- regs->eflags = X86_EFLAGS_IF | X86_EFLAGS_BIT1;
++ regs->eflags = X86_EFLAGS_IF | X86_EFLAGS_FIXED;
+
+ /*
+ * The "Extended Instruction Pointer" register says where the Guest is
+diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
+index a6e985fcceb8..c9b4ca9e0696 100644
+--- a/drivers/md/dm-bufio.c
++++ b/drivers/md/dm-bufio.c
+@@ -462,6 +462,7 @@ static void __relink_lru(struct dm_buffer *b, int dirty)
+ c->n_buffers[dirty]++;
+ b->list_mode = dirty;
+ list_move(&b->lru_list, &c->lru[dirty]);
++ b->last_accessed = jiffies;
+ }
+
+ /*----------------------------------------------------------------
+diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
+index 08d9a207259a..c69d0b787746 100644
+--- a/drivers/md/dm-log-userspace-transfer.c
++++ b/drivers/md/dm-log-userspace-transfer.c
+@@ -272,7 +272,7 @@ int dm_ulog_tfr_init(void)
+
+ r = cn_add_callback(&ulog_cn_id, "dmlogusr", cn_ulog_callback);
+ if (r) {
+- cn_del_callback(&ulog_cn_id);
++ kfree(prealloced_cn_msg);
+ return r;
+ }
+
+diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
+index 1e344b033277..22e8c2032f6d 100644
+--- a/drivers/media/dvb-frontends/ds3000.c
++++ b/drivers/media/dvb-frontends/ds3000.c
+@@ -864,6 +864,13 @@ struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
+ memcpy(&state->frontend.ops, &ds3000_ops,
+ sizeof(struct dvb_frontend_ops));
+ state->frontend.demodulator_priv = state;
++
++ /*
++ * Some devices like T480 starts with voltage on. Be sure
++ * to turn voltage off during init, as this can otherwise
++ * interfere with Unicable SCR systems.
++ */
++ ds3000_set_voltage(&state->frontend, SEC_VOLTAGE_OFF);
+ return &state->frontend;
+
+ error3:
+diff --git a/drivers/media/i2c/tda7432.c b/drivers/media/i2c/tda7432.c
+index 28b5121881f5..09f4387dbc49 100644
+--- a/drivers/media/i2c/tda7432.c
++++ b/drivers/media/i2c/tda7432.c
+@@ -293,7 +293,7 @@ static int tda7432_s_ctrl(struct v4l2_ctrl *ctrl)
+ if (t->mute->val) {
+ lf |= TDA7432_MUTE;
+ lr |= TDA7432_MUTE;
+- lf |= TDA7432_MUTE;
++ rf |= TDA7432_MUTE;
+ rr |= TDA7432_MUTE;
+ }
+ /* Mute & update balance*/
+diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
+index 32d60e5546bc..a2737b4b090b 100644
+--- a/drivers/media/usb/em28xx/em28xx-video.c
++++ b/drivers/media/usb/em28xx/em28xx-video.c
+@@ -696,13 +696,16 @@ static int em28xx_stop_streaming(struct vb2_queue *vq)
+ }
+
+ spin_lock_irqsave(&dev->slock, flags);
++ if (dev->usb_ctl.vid_buf != NULL) {
++ vb2_buffer_done(&dev->usb_ctl.vid_buf->vb, VB2_BUF_STATE_ERROR);
++ dev->usb_ctl.vid_buf = NULL;
++ }
+ while (!list_empty(&vidq->active)) {
+ struct em28xx_buffer *buf;
+ buf = list_entry(vidq->active.next, struct em28xx_buffer, list);
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+- dev->usb_ctl.vid_buf = NULL;
+ spin_unlock_irqrestore(&dev->slock, flags);
+
+ return 0;
+@@ -724,13 +727,16 @@ int em28xx_stop_vbi_streaming(struct vb2_queue *vq)
+ }
+
+ spin_lock_irqsave(&dev->slock, flags);
++ if (dev->usb_ctl.vbi_buf != NULL) {
++ vb2_buffer_done(&dev->usb_ctl.vbi_buf->vb, VB2_BUF_STATE_ERROR);
++ dev->usb_ctl.vbi_buf = NULL;
++ }
+ while (!list_empty(&vbiq->active)) {
+ struct em28xx_buffer *buf;
+ buf = list_entry(vbiq->active.next, struct em28xx_buffer, list);
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+- dev->usb_ctl.vbi_buf = NULL;
+ spin_unlock_irqrestore(&dev->slock, flags);
+
+ return 0;
+diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
+index 3fed63f4e026..ec9a4fa3bc86 100644
+--- a/drivers/media/v4l2-core/v4l2-common.c
++++ b/drivers/media/v4l2-core/v4l2-common.c
+@@ -485,16 +485,13 @@ static unsigned int clamp_align(unsigned int x, unsigned int min,
+ /* Bits that must be zero to be aligned */
+ unsigned int mask = ~((1 << align) - 1);
+
++ /* Clamp to aligned min and max */
++ x = clamp(x, (min + ~mask) & mask, max & mask);
++
+ /* Round to nearest aligned value */
+ if (align)
+ x = (x + (1 << (align - 1))) & mask;
+
+- /* Clamp to aligned value of min and max */
+- if (x < min)
+- x = (min + ~mask) & mask;
+- else if (x > max)
+- x = max & mask;
+-
+ return x;
+ }
+
+diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
+index 45f26be359ea..7e28bd0de554 100644
+--- a/drivers/mfd/rtsx_pcr.c
++++ b/drivers/mfd/rtsx_pcr.c
+@@ -1137,7 +1137,7 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
+ pcr->msi_en = msi_en;
+ if (pcr->msi_en) {
+ ret = pci_enable_msi(pcidev);
+- if (ret < 0)
++ if (ret)
+ pcr->msi_en = false;
+ }
+
+diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
+index 7ffb5cba30a9..4c65a5a4d8f4 100644
+--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
++++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
+@@ -341,6 +341,13 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
+ }
+
+ if (rsp_type == SD_RSP_TYPE_R2) {
++ /*
++ * The controller offloads the last byte {CRC-7, end bit 1'b1}
++ * of response type R2. Assign dummy CRC, 0, and end bit to the
++ * byte(ptr[16], goes into the LSB of resp[3] later).
++ */
++ ptr[16] = 1;
++
+ for (i = 0; i < 4; i++) {
+ cmd->resp[i] = get_unaligned_be32(ptr + 1 + i * 4);
+ dev_dbg(sdmmc_dev(host), "cmd->resp[%d] = 0x%08x\n",
+diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
+index 0648c6996d43..bf8108d65b73 100644
+--- a/drivers/mtd/ubi/fastmap.c
++++ b/drivers/mtd/ubi/fastmap.c
+@@ -330,6 +330,7 @@ static int process_pool_aeb(struct ubi_device *ubi, struct ubi_attach_info *ai,
+ av = tmp_av;
+ else {
+ ubi_err("orphaned volume in fastmap pool!");
++ kmem_cache_free(ai->aeb_slab_cache, new_aeb);
+ return UBI_BAD_FASTMAP;
+ }
+
+diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
+index 3835321b8cf3..3bc3ebc0882f 100644
+--- a/drivers/net/Kconfig
++++ b/drivers/net/Kconfig
+@@ -139,6 +139,7 @@ config MACVLAN
+ config MACVTAP
+ tristate "MAC-VLAN based tap driver"
+ depends on MACVLAN
++ depends on INET
+ help
+ This adds a specialized tap character device driver that is based
+ on the MAC-VLAN network interface, called macvtap. A macvtap device
+@@ -209,6 +210,7 @@ config RIONET_RX_SIZE
+
+ config TUN
+ tristate "Universal TUN/TAP device driver support"
++ depends on INET
+ select CRC32
+ ---help---
+ TUN/TAP provides packet reception and transmission for user space
+diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
+index 72ff14b811c6..5a1897d86e94 100644
+--- a/drivers/net/ppp/ppp_generic.c
++++ b/drivers/net/ppp/ppp_generic.c
+@@ -601,7 +601,7 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+ if (file == ppp->owner)
+ ppp_shutdown_interface(ppp);
+ }
+- if (atomic_long_read(&file->f_count) <= 2) {
++ if (atomic_long_read(&file->f_count) < 2) {
+ ppp_release(NULL, file);
+ err = 0;
+ } else
+diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
+index d33c3ae2fcea..3b449c4ecf72 100644
+--- a/drivers/net/usb/ax88179_178a.c
++++ b/drivers/net/usb/ax88179_178a.c
+@@ -695,6 +695,7 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p)
+ {
+ struct usbnet *dev = netdev_priv(net);
+ struct sockaddr *addr = p;
++ int ret;
+
+ if (netif_running(net))
+ return -EBUSY;
+@@ -704,8 +705,12 @@ static int ax88179_set_mac_addr(struct net_device *net, void *p)
+ memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+ /* Set the MAC address */
+- return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
++ ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
+ ETH_ALEN, net->dev_addr);
++ if (ret < 0)
++ return ret;
++
++ return 0;
+ }
+
+ static const struct net_device_ops ax88179_netdev_ops = {
+diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
+index 9ef0711a5cc1..400b8679796a 100644
+--- a/drivers/net/wireless/rt2x00/rt2800usb.c
++++ b/drivers/net/wireless/rt2x00/rt2800usb.c
+@@ -1091,6 +1091,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
+ /* Ovislink */
+ { USB_DEVICE(0x1b75, 0x3071) },
+ { USB_DEVICE(0x1b75, 0x3072) },
++ { USB_DEVICE(0x1b75, 0xa200) },
+ /* Para */
+ { USB_DEVICE(0x20b8, 0x8888) },
+ /* Pegatron */
+diff --git a/drivers/of/base.c b/drivers/of/base.c
+index 1d10b4ec6814..b60f9a77ab03 100644
+--- a/drivers/of/base.c
++++ b/drivers/of/base.c
+@@ -963,52 +963,6 @@ int of_property_read_string(struct device_node *np, const char *propname,
+ EXPORT_SYMBOL_GPL(of_property_read_string);
+
+ /**
+- * of_property_read_string_index - Find and read a string from a multiple
+- * strings property.
+- * @np: device node from which the property value is to be read.
+- * @propname: name of the property to be searched.
+- * @index: index of the string in the list of strings
+- * @out_string: pointer to null terminated return string, modified only if
+- * return value is 0.
+- *
+- * Search for a property in a device tree node and retrieve a null
+- * terminated string value (pointer to data, not a copy) in the list of strings
+- * contained in that property.
+- * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if
+- * property does not have a value, and -EILSEQ if the string is not
+- * null-terminated within the length of the property data.
+- *
+- * The out_string pointer is modified only if a valid string can be decoded.
+- */
+-int of_property_read_string_index(struct device_node *np, const char *propname,
+- int index, const char **output)
+-{
+- struct property *prop = of_find_property(np, propname, NULL);
+- int i = 0;
+- size_t l = 0, total = 0;
+- const char *p;
+-
+- if (!prop)
+- return -EINVAL;
+- if (!prop->value)
+- return -ENODATA;
+- if (strnlen(prop->value, prop->length) >= prop->length)
+- return -EILSEQ;
+-
+- p = prop->value;
+-
+- for (i = 0; total < prop->length; total += l, p += l) {
+- l = strlen(p) + 1;
+- if (i++ == index) {
+- *output = p;
+- return 0;
+- }
+- }
+- return -ENODATA;
+-}
+-EXPORT_SYMBOL_GPL(of_property_read_string_index);
+-
+-/**
+ * of_property_match_string() - Find string in a list and return index
+ * @np: pointer to node containing string list property
+ * @propname: string list property name
+@@ -1034,7 +988,7 @@ int of_property_match_string(struct device_node *np, const char *propname,
+ end = p + prop->length;
+
+ for (i = 0; p < end; i++, p += l) {
+- l = strlen(p) + 1;
++ l = strnlen(p, end - p) + 1;
+ if (p + l > end)
+ return -EILSEQ;
+ pr_debug("comparing %s with %s\n", string, p);
+@@ -1046,39 +1000,41 @@ int of_property_match_string(struct device_node *np, const char *propname,
+ EXPORT_SYMBOL_GPL(of_property_match_string);
+
+ /**
+- * of_property_count_strings - Find and return the number of strings from a
+- * multiple strings property.
++ * of_property_read_string_util() - Utility helper for parsing string properties
+ * @np: device node from which the property value is to be read.
+ * @propname: name of the property to be searched.
++ * @out_strs: output array of string pointers.
++ * @sz: number of array elements to read.
++ * @skip: Number of strings to skip over at beginning of list.
+ *
+- * Search for a property in a device tree node and retrieve the number of null
+- * terminated string contain in it. Returns the number of strings on
+- * success, -EINVAL if the property does not exist, -ENODATA if property
+- * does not have a value, and -EILSEQ if the string is not null-terminated
+- * within the length of the property data.
++ * Don't call this function directly. It is a utility helper for the
++ * of_property_read_string*() family of functions.
+ */
+-int of_property_count_strings(struct device_node *np, const char *propname)
++int of_property_read_string_helper(struct device_node *np, const char *propname,
++ const char **out_strs, size_t sz, int skip)
+ {
+ struct property *prop = of_find_property(np, propname, NULL);
+- int i = 0;
+- size_t l = 0, total = 0;
+- const char *p;
++ int l = 0, i = 0;
++ const char *p, *end;
+
+ if (!prop)
+ return -EINVAL;
+ if (!prop->value)
+ return -ENODATA;
+- if (strnlen(prop->value, prop->length) >= prop->length)
+- return -EILSEQ;
+-
+ p = prop->value;
++ end = p + prop->length;
+
+- for (i = 0; total < prop->length; total += l, p += l, i++)
+- l = strlen(p) + 1;
+-
+- return i;
++ for (i = 0; p < end && (!out_strs || i < skip + sz); i++, p += l) {
++ l = strnlen(p, end - p) + 1;
++ if (p + l > end)
++ return -EILSEQ;
++ if (out_strs && i >= skip)
++ *out_strs++ = p;
++ }
++ i -= skip;
++ return i <= 0 ? -ENODATA : i;
+ }
+-EXPORT_SYMBOL_GPL(of_property_count_strings);
++EXPORT_SYMBOL_GPL(of_property_read_string_helper);
+
+ /**
+ * of_parse_phandle - Resolve a phandle property to a device_node pointer
+diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c
+index 0eb5c38b4e07..f5e8dc7a725c 100644
+--- a/drivers/of/selftest.c
++++ b/drivers/of/selftest.c
+@@ -126,8 +126,9 @@ static void __init of_selftest_parse_phandle_with_args(void)
+ selftest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
+ }
+
+-static void __init of_selftest_property_match_string(void)
++static void __init of_selftest_property_string(void)
+ {
++ const char *strings[4];
+ struct device_node *np;
+ int rc;
+
+@@ -145,13 +146,66 @@ static void __init of_selftest_property_match_string(void)
+ rc = of_property_match_string(np, "phandle-list-names", "third");
+ selftest(rc == 2, "third expected:0 got:%i\n", rc);
+ rc = of_property_match_string(np, "phandle-list-names", "fourth");
+- selftest(rc == -ENODATA, "unmatched string; rc=%i", rc);
++ selftest(rc == -ENODATA, "unmatched string; rc=%i\n", rc);
+ rc = of_property_match_string(np, "missing-property", "blah");
+- selftest(rc == -EINVAL, "missing property; rc=%i", rc);
++ selftest(rc == -EINVAL, "missing property; rc=%i\n", rc);
+ rc = of_property_match_string(np, "empty-property", "blah");
+- selftest(rc == -ENODATA, "empty property; rc=%i", rc);
++ selftest(rc == -ENODATA, "empty property; rc=%i\n", rc);
+ rc = of_property_match_string(np, "unterminated-string", "blah");
+- selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc);
++ selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
++
++ /* of_property_count_strings() tests */
++ rc = of_property_count_strings(np, "string-property");
++ selftest(rc == 1, "Incorrect string count; rc=%i\n", rc);
++ rc = of_property_count_strings(np, "phandle-list-names");
++ selftest(rc == 3, "Incorrect string count; rc=%i\n", rc);
++ rc = of_property_count_strings(np, "unterminated-string");
++ selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
++ rc = of_property_count_strings(np, "unterminated-string-list");
++ selftest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc);
++
++ /* of_property_read_string_index() tests */
++ rc = of_property_read_string_index(np, "string-property", 0, strings);
++ selftest(rc == 0 && !strcmp(strings[0], "foobar"), "of_property_read_string_index() failure; rc=%i\n", rc);
++ strings[0] = NULL;
++ rc = of_property_read_string_index(np, "string-property", 1, strings);
++ selftest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
++ rc = of_property_read_string_index(np, "phandle-list-names", 0, strings);
++ selftest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc);
++ rc = of_property_read_string_index(np, "phandle-list-names", 1, strings);
++ selftest(rc == 0 && !strcmp(strings[0], "second"), "of_property_read_string_index() failure; rc=%i\n", rc);
++ rc = of_property_read_string_index(np, "phandle-list-names", 2, strings);
++ selftest(rc == 0 && !strcmp(strings[0], "third"), "of_property_read_string_index() failure; rc=%i\n", rc);
++ strings[0] = NULL;
++ rc = of_property_read_string_index(np, "phandle-list-names", 3, strings);
++ selftest(rc == -ENODATA && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
++ strings[0] = NULL;
++ rc = of_property_read_string_index(np, "unterminated-string", 0, strings);
++ selftest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
++ rc = of_property_read_string_index(np, "unterminated-string-list", 0, strings);
++ selftest(rc == 0 && !strcmp(strings[0], "first"), "of_property_read_string_index() failure; rc=%i\n", rc);
++ strings[0] = NULL;
++ rc = of_property_read_string_index(np, "unterminated-string-list", 2, strings); /* should fail */
++ selftest(rc == -EILSEQ && strings[0] == NULL, "of_property_read_string_index() failure; rc=%i\n", rc);
++ strings[1] = NULL;
++
++ /* of_property_read_string_array() tests */
++ rc = of_property_read_string_array(np, "string-property", strings, 4);
++ selftest(rc == 1, "Incorrect string count; rc=%i\n", rc);
++ rc = of_property_read_string_array(np, "phandle-list-names", strings, 4);
++ selftest(rc == 3, "Incorrect string count; rc=%i\n", rc);
++ rc = of_property_read_string_array(np, "unterminated-string", strings, 4);
++ selftest(rc == -EILSEQ, "unterminated string; rc=%i\n", rc);
++ /* -- An incorrectly formed string should cause a failure */
++ rc = of_property_read_string_array(np, "unterminated-string-list", strings, 4);
++ selftest(rc == -EILSEQ, "unterminated string array; rc=%i\n", rc);
++ /* -- parsing the correctly formed strings should still work: */
++ strings[2] = NULL;
++ rc = of_property_read_string_array(np, "unterminated-string-list", strings, 2);
++ selftest(rc == 2 && strings[2] == NULL, "of_property_read_string_array() failure; rc=%i\n", rc);
++ strings[1] = NULL;
++ rc = of_property_read_string_array(np, "phandle-list-names", strings, 1);
++ selftest(rc == 1 && strings[1] == NULL, "Overwrote end of string array; rc=%i, str='%s'\n", rc, strings[1]);
+ }
+
+ static int __init of_selftest(void)
+@@ -167,7 +221,7 @@ static int __init of_selftest(void)
+
+ pr_info("start of selftest - you will see error messages\n");
+ of_selftest_parse_phandle_with_args();
+- of_selftest_property_match_string();
++ of_selftest_property_string();
+ pr_info("end of selftest - %s\n", selftest_passed ? "PASS" : "FAIL");
+ return 0;
+ }
+diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
+index c9076bdaf2c1..59a8d325a697 100644
+--- a/drivers/platform/x86/acer-wmi.c
++++ b/drivers/platform/x86/acer-wmi.c
+@@ -572,6 +572,17 @@ static const struct dmi_system_id video_vendor_dmi_table[] = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5750"),
+ },
+ },
++ {
++ /*
++ * Note no video_set_backlight_video_vendor, we must use the
++ * acer interface, as there is no native backlight interface.
++ */
++ .ident = "Acer KAV80",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "KAV80"),
++ },
++ },
+ {}
+ };
+
+diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+index 66b0b26a1381..cfd49eca67aa 100644
+--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
++++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+@@ -762,7 +762,16 @@ static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess *sess)
+ pr_debug("fc_rport domain: port_id 0x%06x\n", nacl->nport_id);
+
+ node = btree_remove32(&lport->lport_fcport_map, nacl->nport_id);
+- WARN_ON(node && (node != se_nacl));
++ if (WARN_ON(node && (node != se_nacl))) {
++ /*
++ * The nacl no longer matches what we think it should be.
++ * Most likely a new dynamic acl has been added while
++ * someone dropped the hardware lock. It clearly is a
++ * bug elsewhere, but this bit can't make things worse.
++ */
++ btree_insert32(&lport->lport_fcport_map, nacl->nport_id,
++ node, GFP_ATOMIC);
++ }
+
+ pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
+ se_nacl, nacl->nport_wwnn, nacl->nport_id);
+diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
+index 371cc66f1a0e..5266c89fc989 100644
+--- a/drivers/spi/spi-pl022.c
++++ b/drivers/spi/spi-pl022.c
+@@ -1080,7 +1080,7 @@ err_rxdesc:
+ pl022->sgt_tx.nents, DMA_TO_DEVICE);
+ err_tx_sgmap:
+ dma_unmap_sg(rxchan->device->dev, pl022->sgt_rx.sgl,
+- pl022->sgt_tx.nents, DMA_FROM_DEVICE);
++ pl022->sgt_rx.nents, DMA_FROM_DEVICE);
+ err_rx_sgmap:
+ sg_free_table(&pl022->sgt_tx);
+ err_alloc_tx_sg:
+diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
+index 48b396fced0a..d26a2d195d21 100644
+--- a/drivers/spi/spi-pxa2xx.c
++++ b/drivers/spi/spi-pxa2xx.c
+@@ -1324,7 +1324,9 @@ static int pxa2xx_spi_suspend(struct device *dev)
+ if (status != 0)
+ return status;
+ write_SSCR0(0, drv_data->ioaddr);
+- clk_disable_unprepare(ssp->clk);
++
++ if (!pm_runtime_suspended(dev))
++ clk_disable_unprepare(ssp->clk);
+
+ return 0;
+ }
+@@ -1338,7 +1340,8 @@ static int pxa2xx_spi_resume(struct device *dev)
+ pxa2xx_spi_dma_resume(drv_data);
+
+ /* Enable the SSP clock */
+- clk_prepare_enable(ssp->clk);
++ if (!pm_runtime_suspended(dev))
++ clk_prepare_enable(ssp->clk);
+
+ /* Start the queue running */
+ status = spi_master_resume(drv_data->master);
+diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
+index 6330af656a0f..bc23d66a7a1e 100644
+--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
++++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
+@@ -115,6 +115,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
+ .channel = 0,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+ .address = AD5933_REG_TEMP_DATA,
++ .scan_index = -1,
+ .scan_type = {
+ .sign = 's',
+ .realbits = 14,
+@@ -124,9 +125,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "real_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+- BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "real",
+ .address = AD5933_REG_REAL_DATA,
+ .scan_index = 0,
+ .scan_type = {
+@@ -138,9 +137,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "imag_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+- BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "imag",
+ .address = AD5933_REG_IMAG_DATA,
+ .scan_index = 1,
+ .scan_type = {
+@@ -746,14 +743,14 @@ static int ad5933_probe(struct i2c_client *client,
+ indio_dev->name = id->name;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+ indio_dev->channels = ad5933_channels;
+- indio_dev->num_channels = 1; /* only register temp0_input */
++ indio_dev->num_channels = ARRAY_SIZE(ad5933_channels);
+
+ ret = ad5933_register_ring_funcs_and_init(indio_dev);
+ if (ret)
+ goto error_disable_reg;
+
+- /* skip temp0_input, register in0_(real|imag)_raw */
+- ret = iio_buffer_register(indio_dev, &ad5933_channels[1], 2);
++ ret = iio_buffer_register(indio_dev, ad5933_channels,
++ ARRAY_SIZE(ad5933_channels));
+ if (ret)
+ goto error_unreg_ring;
+
+diff --git a/drivers/staging/iio/meter/ade7758.h b/drivers/staging/iio/meter/ade7758.h
+index 07318203a836..e8c98cf57070 100644
+--- a/drivers/staging/iio/meter/ade7758.h
++++ b/drivers/staging/iio/meter/ade7758.h
+@@ -119,7 +119,6 @@ struct ade7758_state {
+ u8 *tx;
+ u8 *rx;
+ struct mutex buf_lock;
+- const struct iio_chan_spec *ade7758_ring_channels;
+ struct spi_transfer ring_xfer[4];
+ struct spi_message ring_msg;
+ /*
+diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c
+index 8f5bcfab3563..75d9fe6a1bc1 100644
+--- a/drivers/staging/iio/meter/ade7758_core.c
++++ b/drivers/staging/iio/meter/ade7758_core.c
+@@ -648,9 +648,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .address = AD7758_WT(AD7758_PHASE_A, AD7758_VOLTAGE),
+ .scan_index = 0,
+ .scan_type = {
+@@ -662,9 +659,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_CURRENT,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .address = AD7758_WT(AD7758_PHASE_A, AD7758_CURRENT),
+ .scan_index = 1,
+ .scan_type = {
+@@ -676,9 +670,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "apparent_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "apparent",
+ .address = AD7758_WT(AD7758_PHASE_A, AD7758_APP_PWR),
+ .scan_index = 2,
+ .scan_type = {
+@@ -690,9 +682,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "active_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "active",
+ .address = AD7758_WT(AD7758_PHASE_A, AD7758_ACT_PWR),
+ .scan_index = 3,
+ .scan_type = {
+@@ -704,9 +694,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 0,
+- .extend_name = "reactive_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "reactive",
+ .address = AD7758_WT(AD7758_PHASE_A, AD7758_REACT_PWR),
+ .scan_index = 4,
+ .scan_type = {
+@@ -718,9 +706,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 1,
+- .extend_name = "raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .address = AD7758_WT(AD7758_PHASE_B, AD7758_VOLTAGE),
+ .scan_index = 5,
+ .scan_type = {
+@@ -732,9 +717,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_CURRENT,
+ .indexed = 1,
+ .channel = 1,
+- .extend_name = "raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .address = AD7758_WT(AD7758_PHASE_B, AD7758_CURRENT),
+ .scan_index = 6,
+ .scan_type = {
+@@ -746,9 +728,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 1,
+- .extend_name = "apparent_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "apparent",
+ .address = AD7758_WT(AD7758_PHASE_B, AD7758_APP_PWR),
+ .scan_index = 7,
+ .scan_type = {
+@@ -760,9 +740,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 1,
+- .extend_name = "active_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "active",
+ .address = AD7758_WT(AD7758_PHASE_B, AD7758_ACT_PWR),
+ .scan_index = 8,
+ .scan_type = {
+@@ -774,9 +752,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 1,
+- .extend_name = "reactive_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "reactive",
+ .address = AD7758_WT(AD7758_PHASE_B, AD7758_REACT_PWR),
+ .scan_index = 9,
+ .scan_type = {
+@@ -788,9 +764,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_VOLTAGE,
+ .indexed = 1,
+ .channel = 2,
+- .extend_name = "raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .address = AD7758_WT(AD7758_PHASE_C, AD7758_VOLTAGE),
+ .scan_index = 10,
+ .scan_type = {
+@@ -802,9 +775,6 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_CURRENT,
+ .indexed = 1,
+ .channel = 2,
+- .extend_name = "raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
+ .address = AD7758_WT(AD7758_PHASE_C, AD7758_CURRENT),
+ .scan_index = 11,
+ .scan_type = {
+@@ -816,9 +786,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 2,
+- .extend_name = "apparent_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "apparent",
+ .address = AD7758_WT(AD7758_PHASE_C, AD7758_APP_PWR),
+ .scan_index = 12,
+ .scan_type = {
+@@ -830,9 +798,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 2,
+- .extend_name = "active_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "active",
+ .address = AD7758_WT(AD7758_PHASE_C, AD7758_ACT_PWR),
+ .scan_index = 13,
+ .scan_type = {
+@@ -844,9 +810,7 @@ static const struct iio_chan_spec ade7758_channels[] = {
+ .type = IIO_POWER,
+ .indexed = 1,
+ .channel = 2,
+- .extend_name = "reactive_raw",
+- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+- .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
++ .extend_name = "reactive",
+ .address = AD7758_WT(AD7758_PHASE_C, AD7758_REACT_PWR),
+ .scan_index = 14,
+ .scan_type = {
+@@ -890,13 +854,14 @@ static int ade7758_probe(struct spi_device *spi)
+ goto error_free_rx;
+ }
+ st->us = spi;
+- st->ade7758_ring_channels = &ade7758_channels[0];
+ mutex_init(&st->buf_lock);
+
+ indio_dev->name = spi->dev.driver->name;
+ indio_dev->dev.parent = &spi->dev;
+ indio_dev->info = &ade7758_info;
+ indio_dev->modes = INDIO_DIRECT_MODE;
++ indio_dev->channels = ade7758_channels;
++ indio_dev->num_channels = ARRAY_SIZE(ade7758_channels);
+
+ ret = ade7758_configure_ring(indio_dev);
+ if (ret)
+diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c
+index b29e2d5d9937..6a0ef97e9146 100644
+--- a/drivers/staging/iio/meter/ade7758_ring.c
++++ b/drivers/staging/iio/meter/ade7758_ring.c
+@@ -89,11 +89,10 @@ static irqreturn_t ade7758_trigger_handler(int irq, void *p)
+ **/
+ static int ade7758_ring_preenable(struct iio_dev *indio_dev)
+ {
+- struct ade7758_state *st = iio_priv(indio_dev);
+ unsigned channel;
+ int ret;
+
+- if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
++ if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
+ return -EINVAL;
+
+ ret = iio_sw_buffer_preenable(indio_dev);
+@@ -104,7 +103,7 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev)
+ indio_dev->masklength);
+
+ ade7758_write_waveform_type(&indio_dev->dev,
+- st->ade7758_ring_channels[channel].address);
++ indio_dev->channels[channel].address);
+
+ return 0;
+ }
+diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
+index 68398753eb82..2be407e22eb4 100644
+--- a/drivers/target/target_core_device.c
++++ b/drivers/target/target_core_device.c
+@@ -1293,7 +1293,8 @@ int core_dev_add_initiator_node_lun_acl(
+ * Check to see if there are any existing persistent reservation APTPL
+ * pre-registrations that need to be enabled for this LUN ACL..
+ */
+- core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, lacl);
++ core_scsi3_check_aptpl_registration(lun->lun_se_dev, tpg, lun, nacl,
++ lacl->mapped_lun);
+ return 0;
+ }
+
+diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
+index 04a74938bb43..27ec6e4d1c7c 100644
+--- a/drivers/target/target_core_pr.c
++++ b/drivers/target/target_core_pr.c
+@@ -945,10 +945,10 @@ int core_scsi3_check_aptpl_registration(
+ struct se_device *dev,
+ struct se_portal_group *tpg,
+ struct se_lun *lun,
+- struct se_lun_acl *lun_acl)
++ struct se_node_acl *nacl,
++ u32 mapped_lun)
+ {
+- struct se_node_acl *nacl = lun_acl->se_lun_nacl;
+- struct se_dev_entry *deve = nacl->device_list[lun_acl->mapped_lun];
++ struct se_dev_entry *deve = nacl->device_list[mapped_lun];
+
+ if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
+ return 0;
+diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h
+index b4a004247ab2..ea9220de1dff 100644
+--- a/drivers/target/target_core_pr.h
++++ b/drivers/target/target_core_pr.h
+@@ -55,7 +55,7 @@ extern int core_scsi3_alloc_aptpl_registration(
+ unsigned char *, u16, u32, int, int, u8);
+ extern int core_scsi3_check_aptpl_registration(struct se_device *,
+ struct se_portal_group *, struct se_lun *,
+- struct se_lun_acl *);
++ struct se_node_acl *, u32);
+ extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
+ struct se_node_acl *);
+ extern void core_scsi3_free_all_registrations(struct se_device *);
+diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
+index aac9d2727e3c..8572207e3d4d 100644
+--- a/drivers/target/target_core_tpg.c
++++ b/drivers/target/target_core_tpg.c
+@@ -40,6 +40,7 @@
+ #include <target/target_core_fabric.h>
+
+ #include "target_core_internal.h"
++#include "target_core_pr.h"
+
+ extern struct se_device *g_lun0_dev;
+
+@@ -165,6 +166,13 @@ void core_tpg_add_node_to_devs(
+
+ core_enable_device_list_for_node(lun, NULL, lun->unpacked_lun,
+ lun_access, acl, tpg);
++ /*
++ * Check to see if there are any existing persistent reservation
++ * APTPL pre-registrations that need to be enabled for this dynamic
++ * LUN ACL now..
++ */
++ core_scsi3_check_aptpl_registration(dev, tpg, lun, acl,
++ lun->unpacked_lun);
+ spin_lock(&tpg->tpg_lun_lock);
+ }
+ spin_unlock(&tpg->tpg_lun_lock);
+diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
+index 6866d86e8663..12342695ed79 100644
+--- a/drivers/target/target_core_transport.c
++++ b/drivers/target/target_core_transport.c
+@@ -1788,8 +1788,7 @@ static void transport_complete_qf(struct se_cmd *cmd)
+
+ if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) {
+ ret = cmd->se_tfo->queue_status(cmd);
+- if (ret)
+- goto out;
++ goto out;
+ }
+
+ switch (cmd->data_direction) {
+diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
+index 0f1cc2c8c22a..1fabb22ae615 100644
+--- a/drivers/tty/serial/serial_core.c
++++ b/drivers/tty/serial/serial_core.c
+@@ -359,7 +359,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
+ * The spd_hi, spd_vhi, spd_shi, spd_warp kludge...
+ * Die! Die! Die!
+ */
+- if (baud == 38400)
++ if (try == 0 && baud == 38400)
+ baud = altbaud;
+
+ /*
+diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
+index 3723c0ebb316..d35afccdb6c9 100644
+--- a/drivers/tty/tty_io.c
++++ b/drivers/tty/tty_io.c
+@@ -1698,6 +1698,7 @@ int tty_release(struct inode *inode, struct file *filp)
+ int pty_master, tty_closing, o_tty_closing, do_sleep;
+ int idx;
+ char buf[64];
++ long timeout = 0;
+
+ if (tty_paranoia_check(tty, inode, __func__))
+ return 0;
+@@ -1782,7 +1783,11 @@ int tty_release(struct inode *inode, struct file *filp)
+ __func__, tty_name(tty, buf));
+ tty_unlock_pair(tty, o_tty);
+ mutex_unlock(&tty_mutex);
+- schedule();
++ schedule_timeout_killable(timeout);
++ if (timeout < 120 * HZ)
++ timeout = 2 * timeout + 1;
++ else
++ timeout = MAX_SCHEDULE_TIMEOUT;
+ }
+
+ /*
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index fbf3f11aed2c..1e71f918eb9f 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -883,11 +883,12 @@ static void acm_tty_set_termios(struct tty_struct *tty,
+ /* FIXME: Needs to clear unsupported bits in the termios */
+ acm->clocal = ((termios->c_cflag & CLOCAL) != 0);
+
+- if (!newline.dwDTERate) {
++ if (C_BAUD(tty) == B0) {
+ newline.dwDTERate = acm->line.dwDTERate;
+ newctrl &= ~ACM_CTRL_DTR;
+- } else
++ } else if (termios_old && (termios_old->c_cflag & CBAUD) == B0) {
+ newctrl |= ACM_CTRL_DTR;
++ }
+
+ if (newctrl != acm->ctrlout)
+ acm_set_control(acm, acm->ctrlout = newctrl);
+@@ -1588,6 +1589,7 @@ static const struct usb_device_id acm_ids[] = {
+ { USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
+ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+ },
++ { USB_DEVICE(0x2184, 0x001c) }, /* GW Instek AFG-2225 */
+ { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
+ },
+ /* Motorola H24 HSPA module: */
+diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
+index d53547d2e4c7..f6e5ceb03afb 100644
+--- a/drivers/usb/core/hcd.c
++++ b/drivers/usb/core/hcd.c
+@@ -1947,6 +1947,8 @@ int usb_alloc_streams(struct usb_interface *interface,
+ return -EINVAL;
+ if (dev->speed != USB_SPEED_SUPER)
+ return -EINVAL;
++ if (dev->state < USB_STATE_CONFIGURED)
++ return -ENODEV;
+
+ /* Streams only apply to bulk endpoints. */
+ for (i = 0; i < num_eps; i++)
+diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
+index 3cea676ba901..6cd418f6ac07 100644
+--- a/drivers/usb/dwc3/ep0.c
++++ b/drivers/usb/dwc3/ep0.c
+@@ -270,7 +270,7 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
+
+ /* stall is always issued on EP0 */
+ dep = dwc->eps[0];
+- __dwc3_gadget_ep_set_halt(dep, 1);
++ __dwc3_gadget_ep_set_halt(dep, 1, false);
+ dep->flags = DWC3_EP_ENABLED;
+ dwc->delayed_status = false;
+
+@@ -480,7 +480,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
+ return -EINVAL;
+ if (set == 0 && (dep->flags & DWC3_EP_WEDGE))
+ break;
+- ret = __dwc3_gadget_ep_set_halt(dep, set);
++ ret = __dwc3_gadget_ep_set_halt(dep, set, true);
+ if (ret)
+ return -EINVAL;
+ break;
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index d868b62c1a16..8f8e75e392de 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -550,12 +550,11 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep,
+ if (!usb_endpoint_xfer_isoc(desc))
+ return 0;
+
+- memset(&trb_link, 0, sizeof(trb_link));
+-
+ /* Link TRB for ISOC. The HWO bit is never reset */
+ trb_st_hw = &dep->trb_pool[0];
+
+ trb_link = &dep->trb_pool[DWC3_TRB_NUM - 1];
++ memset(trb_link, 0, sizeof(*trb_link));
+
+ trb_link->bpl = lower_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw));
+ trb_link->bph = upper_32_bits(dwc3_trb_dma_offset(dep, trb_st_hw));
+@@ -606,7 +605,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep)
+
+ /* make sure HW endpoint isn't stalled */
+ if (dep->flags & DWC3_EP_STALL)
+- __dwc3_gadget_ep_set_halt(dep, 0);
++ __dwc3_gadget_ep_set_halt(dep, 0, false);
+
+ reg = dwc3_readl(dwc->regs, DWC3_DALEPENA);
+ reg &= ~DWC3_DALEPENA_EP(dep->number);
+@@ -1206,7 +1205,7 @@ out0:
+ return ret;
+ }
+
+-int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
++int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
+ {
+ struct dwc3_gadget_ep_cmd_params params;
+ struct dwc3 *dwc = dep->dwc;
+@@ -1215,6 +1214,14 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value)
+ memset(¶ms, 0x00, sizeof(params));
+
+ if (value) {
++ if (!protocol && ((dep->direction && dep->flags & DWC3_EP_BUSY) ||
++ (!list_empty(&dep->req_queued) ||
++ !list_empty(&dep->request_list)))) {
++ dev_dbg(dwc->dev, "%s: pending request, cannot halt\n",
++ dep->name);
++ return -EAGAIN;
++ }
++
+ ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
+ DWC3_DEPCMD_SETSTALL, ¶ms);
+ if (ret)
+@@ -1254,7 +1261,7 @@ static int dwc3_gadget_ep_set_halt(struct usb_ep *ep, int value)
+ goto out;
+ }
+
+- ret = __dwc3_gadget_ep_set_halt(dep, value);
++ ret = __dwc3_gadget_ep_set_halt(dep, value, false);
+ out:
+ spin_unlock_irqrestore(&dwc->lock, flags);
+
+@@ -1274,7 +1281,7 @@ static int dwc3_gadget_ep_set_wedge(struct usb_ep *ep)
+ if (dep->number == 0 || dep->number == 1)
+ return dwc3_gadget_ep0_set_halt(ep, 1);
+ else
+- return dwc3_gadget_ep_set_halt(ep, 1);
++ return __dwc3_gadget_ep_set_halt(dep, 1, false);
+ }
+
+ /* -------------------------------------------------------------------------- */
+diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
+index 99e6d7248820..b3f25c302e35 100644
+--- a/drivers/usb/dwc3/gadget.h
++++ b/drivers/usb/dwc3/gadget.h
+@@ -114,7 +114,7 @@ void dwc3_ep0_out_start(struct dwc3 *dwc);
+ int dwc3_gadget_ep0_set_halt(struct usb_ep *ep, int value);
+ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request,
+ gfp_t gfp_flags);
+-int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value);
++int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol);
+ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
+ unsigned cmd, struct dwc3_gadget_ep_cmd_params *params);
+ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param);
+diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
+index ab1065afbbd0..3384486c2884 100644
+--- a/drivers/usb/gadget/f_acm.c
++++ b/drivers/usb/gadget/f_acm.c
+@@ -430,11 +430,12 @@ static int acm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
+ if (acm->notify->driver_data) {
+ VDBG(cdev, "reset acm control interface %d\n", intf);
+ usb_ep_disable(acm->notify);
+- } else {
+- VDBG(cdev, "init acm ctrl interface %d\n", intf);
++ }
++
++ if (!acm->notify->desc)
+ if (config_ep_by_speed(cdev->gadget, f, acm->notify))
+ return -EINVAL;
+- }
++
+ usb_ep_enable(acm->notify);
+ acm->notify->driver_data = acm;
+
+diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
+index 5514822114a5..817a26cbfab1 100644
+--- a/drivers/usb/gadget/udc-core.c
++++ b/drivers/usb/gadget/udc-core.c
+@@ -439,6 +439,11 @@ static ssize_t usb_udc_softconn_store(struct device *dev,
+ {
+ struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
+
++ if (!udc->driver) {
++ dev_err(dev, "soft-connect without a gadget driver\n");
++ return -EOPNOTSUPP;
++ }
++
+ if (sysfs_streq(buf, "connect")) {
+ usb_gadget_udc_start(udc->gadget, udc->driver);
+ usb_gadget_connect(udc->gadget);
+diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
+index b22a4bc308e2..e9183eda39e0 100644
+--- a/drivers/usb/serial/cp210x.c
++++ b/drivers/usb/serial/cp210x.c
+@@ -155,6 +155,7 @@ static const struct usb_device_id id_table[] = {
+ { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
+ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
+ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
++ { USB_DEVICE(0x1BA4, 0x0002) }, /* Silicon Labs 358x factory default */
+ { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
+ { USB_DEVICE(0x1D6F, 0x0010) }, /* Seluxit ApS RF Dongle */
+ { USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 4235693ba2f7..768c2b4722d1 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -148,6 +148,7 @@ static struct ftdi_sio_quirk ftdi_8u2232c_quirk = {
+ * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
+ */
+ static struct usb_device_id id_table_combined [] = {
++ { USB_DEVICE(FTDI_VID, FTDI_BRICK_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
+@@ -677,6 +678,8 @@ static struct usb_device_id id_table_combined [] = {
+ { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
+ { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
+ { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
++ { USB_DEVICE(XSENS_VID, XSENS_AWINDA_DONGLE_PID) },
++ { USB_DEVICE(XSENS_VID, XSENS_AWINDA_STATION_PID) },
+ { USB_DEVICE(XSENS_VID, XSENS_CONVERTER_PID) },
+ { USB_DEVICE(XSENS_VID, XSENS_MTW_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
+diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
+index 8927a5c39b00..302ab9a71f06 100644
+--- a/drivers/usb/serial/ftdi_sio_ids.h
++++ b/drivers/usb/serial/ftdi_sio_ids.h
+@@ -30,6 +30,12 @@
+
+ /*** third-party PIDs (using FTDI_VID) ***/
+
++/*
++ * Certain versions of the official Windows FTDI driver reprogrammed
++ * counterfeit FTDI devices to PID 0. Support these devices anyway.
++ */
++#define FTDI_BRICK_PID 0x0000
++
+ #define FTDI_LUMEL_PD12_PID 0x6002
+
+ /*
+@@ -143,8 +149,12 @@
+ * Xsens Technologies BV products (http://www.xsens.com).
+ */
+ #define XSENS_VID 0x2639
+-#define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */
++#define XSENS_AWINDA_STATION_PID 0x0101
++#define XSENS_AWINDA_DONGLE_PID 0x0102
+ #define XSENS_MTW_PID 0x0200 /* Xsens MTw */
++#define XSENS_CONVERTER_PID 0xD00D /* Xsens USB-serial converter */
++
++/* Xsens devices using FTDI VID */
+ #define XSENS_CONVERTER_0_PID 0xD388 /* Xsens USB converter */
+ #define XSENS_CONVERTER_1_PID 0xD389 /* Xsens Wireless Receiver */
+ #define XSENS_CONVERTER_2_PID 0xD38A
+diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
+index 5f4b0cd0f6e9..b0eb1dfc601a 100644
+--- a/drivers/usb/serial/opticon.c
++++ b/drivers/usb/serial/opticon.c
+@@ -219,7 +219,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
+
+ /* The conncected devices do not have a bulk write endpoint,
+ * to transmit data to de barcode device the control endpoint is used */
+- dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_NOIO);
++ dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
+ if (!dr) {
+ dev_err(&port->dev, "out of memory\n");
+ count = -ENOMEM;
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index e47aabe0c760..8b3484134ab0 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -269,6 +269,7 @@ static void option_instat_callback(struct urb *urb);
+ #define TELIT_PRODUCT_DE910_DUAL 0x1010
+ #define TELIT_PRODUCT_UE910_V2 0x1012
+ #define TELIT_PRODUCT_LE920 0x1200
++#define TELIT_PRODUCT_LE910 0x1201
+
+ /* ZTE PRODUCTS */
+ #define ZTE_VENDOR_ID 0x19d2
+@@ -361,6 +362,7 @@ static void option_instat_callback(struct urb *urb);
+
+ /* Haier products */
+ #define HAIER_VENDOR_ID 0x201e
++#define HAIER_PRODUCT_CE81B 0x10f8
+ #define HAIER_PRODUCT_CE100 0x2009
+
+ /* Cinterion (formerly Siemens) products */
+@@ -588,6 +590,11 @@ static const struct option_blacklist_info zte_1255_blacklist = {
+ .reserved = BIT(3) | BIT(4),
+ };
+
++static const struct option_blacklist_info telit_le910_blacklist = {
++ .sendsetup = BIT(0),
++ .reserved = BIT(1) | BIT(2),
++};
++
+ static const struct option_blacklist_info telit_le920_blacklist = {
+ .sendsetup = BIT(0),
+ .reserved = BIT(1) | BIT(5),
+@@ -1137,6 +1144,8 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) },
++ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
++ .driver_info = (kernel_ulong_t)&telit_le910_blacklist },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
+ .driver_info = (kernel_ulong_t)&telit_le920_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
+@@ -1612,6 +1621,7 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
+ { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
++ { USB_DEVICE_AND_INTERFACE_INFO(HAIER_VENDOR_ID, HAIER_PRODUCT_CE81B, 0xff, 0xff, 0xff) },
+ /* Pirelli */
+ { USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1, 0xff) },
+ { USB_DEVICE_INTERFACE_CLASS(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_2, 0xff) },
+diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
+index 22c7d4360fa2..b1d815eb6d0b 100644
+--- a/drivers/usb/storage/transport.c
++++ b/drivers/usb/storage/transport.c
+@@ -1118,6 +1118,31 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
+ */
+ if (result == USB_STOR_XFER_LONG)
+ fake_sense = 1;
++
++ /*
++ * Sometimes a device will mistakenly skip the data phase
++ * and go directly to the status phase without sending a
++ * zero-length packet. If we get a 13-byte response here,
++ * check whether it really is a CSW.
++ */
++ if (result == USB_STOR_XFER_SHORT &&
++ srb->sc_data_direction == DMA_FROM_DEVICE &&
++ transfer_length - scsi_get_resid(srb) ==
++ US_BULK_CS_WRAP_LEN) {
++ struct scatterlist *sg = NULL;
++ unsigned int offset = 0;
++
++ if (usb_stor_access_xfer_buf((unsigned char *) bcs,
++ US_BULK_CS_WRAP_LEN, srb, &sg,
++ &offset, FROM_XFER_BUF) ==
++ US_BULK_CS_WRAP_LEN &&
++ bcs->Signature ==
++ cpu_to_le32(US_BULK_CS_SIGN)) {
++ usb_stor_dbg(us, "Device skipped data phase\n");
++ scsi_set_resid(srb, transfer_length);
++ goto skipped_data_phase;
++ }
++ }
+ }
+
+ /* See flow chart on pg 15 of the Bulk Only Transport spec for
+@@ -1153,6 +1178,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
+ if (result != USB_STOR_XFER_GOOD)
+ return USB_STOR_TRANSPORT_ERROR;
+
++ skipped_data_phase:
+ /* check bulk status */
+ residue = le32_to_cpu(bcs->Residue);
+ usb_stor_dbg(us, "Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n",
+diff --git a/drivers/video/console/bitblit.c b/drivers/video/console/bitblit.c
+index 61b182bf32a2..dbfe4eecf12e 100644
+--- a/drivers/video/console/bitblit.c
++++ b/drivers/video/console/bitblit.c
+@@ -205,7 +205,6 @@ static void bit_putcs(struct vc_data *vc, struct fb_info *info,
+ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info,
+ int bottom_only)
+ {
+- int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+ unsigned int cw = vc->vc_font.width;
+ unsigned int ch = vc->vc_font.height;
+ unsigned int rw = info->var.xres - (vc->vc_cols*cw);
+@@ -214,7 +213,7 @@ static void bit_clear_margins(struct vc_data *vc, struct fb_info *info,
+ unsigned int bs = info->var.yres - bh;
+ struct fb_fillrect region;
+
+- region.color = attr_bgcol_ec(bgshift, vc, info);
++ region.color = 0;
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+diff --git a/drivers/video/console/fbcon_ccw.c b/drivers/video/console/fbcon_ccw.c
+index 41b32ae23dac..5a3cbf6dff4d 100644
+--- a/drivers/video/console/fbcon_ccw.c
++++ b/drivers/video/console/fbcon_ccw.c
+@@ -197,9 +197,8 @@ static void ccw_clear_margins(struct vc_data *vc, struct fb_info *info,
+ unsigned int bh = info->var.xres - (vc->vc_rows*ch);
+ unsigned int bs = vc->vc_rows*ch;
+ struct fb_fillrect region;
+- int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+
+- region.color = attr_bgcol_ec(bgshift,vc,info);
++ region.color = 0;
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+diff --git a/drivers/video/console/fbcon_cw.c b/drivers/video/console/fbcon_cw.c
+index a93670ef7f89..e7ee44db4e98 100644
+--- a/drivers/video/console/fbcon_cw.c
++++ b/drivers/video/console/fbcon_cw.c
+@@ -180,9 +180,8 @@ static void cw_clear_margins(struct vc_data *vc, struct fb_info *info,
+ unsigned int bh = info->var.xres - (vc->vc_rows*ch);
+ unsigned int rs = info->var.yres - rw;
+ struct fb_fillrect region;
+- int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+
+- region.color = attr_bgcol_ec(bgshift,vc,info);
++ region.color = 0;
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+diff --git a/drivers/video/console/fbcon_ud.c b/drivers/video/console/fbcon_ud.c
+index ff0872c0498b..19e3714abfe8 100644
+--- a/drivers/video/console/fbcon_ud.c
++++ b/drivers/video/console/fbcon_ud.c
+@@ -227,9 +227,8 @@ static void ud_clear_margins(struct vc_data *vc, struct fb_info *info,
+ unsigned int rw = info->var.xres - (vc->vc_cols*cw);
+ unsigned int bh = info->var.yres - (vc->vc_rows*ch);
+ struct fb_fillrect region;
+- int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;
+
+- region.color = attr_bgcol_ec(bgshift,vc,info);
++ region.color = 0;
+ region.rop = ROP_COPY;
+
+ if (rw && !bottom_only) {
+diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
+index a7ce73029f59..933241a6ab10 100644
+--- a/drivers/virtio/virtio_pci.c
++++ b/drivers/virtio/virtio_pci.c
+@@ -791,6 +791,7 @@ static int virtio_pci_restore(struct device *dev)
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev);
+ struct virtio_driver *drv;
++ unsigned status = 0;
+ int ret;
+
+ drv = container_of(vp_dev->vdev.dev.driver,
+@@ -801,14 +802,40 @@ static int virtio_pci_restore(struct device *dev)
+ return ret;
+
+ pci_set_master(pci_dev);
++ /* We always start by resetting the device, in case a previous
++ * driver messed it up. */
++ vp_reset(&vp_dev->vdev);
++
++ /* Acknowledge that we've seen the device. */
++ status |= VIRTIO_CONFIG_S_ACKNOWLEDGE;
++ vp_set_status(&vp_dev->vdev, status);
++
++ /* Maybe driver failed before freeze.
++ * Restore the failed status, for debugging. */
++ status |= vp_dev->saved_status & VIRTIO_CONFIG_S_FAILED;
++ vp_set_status(&vp_dev->vdev, status);
++
++ if (!drv)
++ return 0;
++
++ /* We have a driver! */
++ status |= VIRTIO_CONFIG_S_DRIVER;
++ vp_set_status(&vp_dev->vdev, status);
++
+ vp_finalize_features(&vp_dev->vdev);
+
+- if (drv && drv->restore)
++ if (drv->restore) {
+ ret = drv->restore(&vp_dev->vdev);
++ if (ret) {
++ status |= VIRTIO_CONFIG_S_FAILED;
++ vp_set_status(&vp_dev->vdev, status);
++ return ret;
++ }
++ }
+
+ /* Finally, tell the device we're all set */
+- if (!ret)
+- vp_set_status(&vp_dev->vdev, vp_dev->saved_status);
++ status |= VIRTIO_CONFIG_S_DRIVER_OK;
++ vp_set_status(&vp_dev->vdev, status);
+
+ return ret;
+ }
+diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
+index 3af77aa051d2..e4bcfec7787e 100644
+--- a/fs/btrfs/file-item.c
++++ b/fs/btrfs/file-item.c
+@@ -403,7 +403,7 @@ int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end,
+ ret = 0;
+ fail:
+ while (ret < 0 && !list_empty(&tmplist)) {
+- sums = list_entry(&tmplist, struct btrfs_ordered_sum, list);
++ sums = list_entry(tmplist.next, struct btrfs_ordered_sum, list);
+ list_del(&sums->list);
+ kfree(sums);
+ }
+diff --git a/fs/buffer.c b/fs/buffer.c
+index 10fca21ee8aa..83fedaa53b55 100644
+--- a/fs/buffer.c
++++ b/fs/buffer.c
+@@ -2018,6 +2018,7 @@ int generic_write_end(struct file *file, struct address_space *mapping,
+ struct page *page, void *fsdata)
+ {
+ struct inode *inode = mapping->host;
++ loff_t old_size = inode->i_size;
+ int i_size_changed = 0;
+
+ copied = block_write_end(file, mapping, pos, len, copied, page, fsdata);
+@@ -2037,6 +2038,8 @@ int generic_write_end(struct file *file, struct address_space *mapping,
+ unlock_page(page);
+ page_cache_release(page);
+
++ if (old_size < pos)
++ pagecache_isize_extended(inode, old_size, pos);
+ /*
+ * Don't mark the inode dirty under page lock. First, it unnecessarily
+ * makes the holding time of page lock longer. Second, it forces lock
+@@ -2254,6 +2257,11 @@ static int cont_expand_zero(struct file *file, struct address_space *mapping,
+ err = 0;
+
+ balance_dirty_pages_ratelimited(mapping);
++
++ if (unlikely(fatal_signal_pending(current))) {
++ err = -EINTR;
++ goto out;
++ }
+ }
+
+ /* page covers the boundary, find the boundary offset */
+diff --git a/fs/ext3/super.c b/fs/ext3/super.c
+index 6356665a74bb..882d4bdfd428 100644
+--- a/fs/ext3/super.c
++++ b/fs/ext3/super.c
+@@ -1300,13 +1300,6 @@ set_qf_format:
+ "not specified.");
+ return 0;
+ }
+- } else {
+- if (sbi->s_jquota_fmt) {
+- ext3_msg(sb, KERN_ERR, "error: journaled quota format "
+- "specified with no journaling "
+- "enabled.");
+- return 0;
+- }
+ }
+ #endif
+ return 1;
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index 790b14c5f262..e4c4ac07cc32 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -2088,6 +2088,7 @@ int do_journal_get_write_access(handle_t *handle,
+ #define CONVERT_INLINE_DATA 2
+
+ extern struct inode *ext4_iget(struct super_block *, unsigned long);
++extern struct inode *ext4_iget_normal(struct super_block *, unsigned long);
+ extern int ext4_write_inode(struct inode *, struct writeback_control *);
+ extern int ext4_setattr(struct dentry *, struct iattr *);
+ extern int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
+@@ -2260,8 +2261,8 @@ extern int ext4_register_li_request(struct super_block *sb,
+ static inline int ext4_has_group_desc_csum(struct super_block *sb)
+ {
+ return EXT4_HAS_RO_COMPAT_FEATURE(sb,
+- EXT4_FEATURE_RO_COMPAT_GDT_CSUM |
+- EXT4_FEATURE_RO_COMPAT_METADATA_CSUM);
++ EXT4_FEATURE_RO_COMPAT_GDT_CSUM) ||
++ (EXT4_SB(sb)->s_chksum_driver != NULL);
+ }
+
+ static inline ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 1ecd3a8c2444..4d4718cf25ab 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -793,6 +793,10 @@ got:
+ struct buffer_head *block_bitmap_bh;
+
+ block_bitmap_bh = ext4_read_block_bitmap(sb, group);
++ if (!block_bitmap_bh) {
++ err = -EIO;
++ goto out;
++ }
+ BUFFER_TRACE(block_bitmap_bh, "get block bitmap access");
+ err = ext4_journal_get_write_access(handle, block_bitmap_bh);
+ if (err) {
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index f9e11df768d5..e48bd5a1814b 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -2647,6 +2647,20 @@ static int ext4_nonda_switch(struct super_block *sb)
+ return 0;
+ }
+
++/* We always reserve for an inode update; the superblock could be there too */
++static int ext4_da_write_credits(struct inode *inode, loff_t pos, unsigned len)
++{
++ if (likely(EXT4_HAS_RO_COMPAT_FEATURE(inode->i_sb,
++ EXT4_FEATURE_RO_COMPAT_LARGE_FILE)))
++ return 1;
++
++ if (pos + len <= 0x7fffffffULL)
++ return 1;
++
++ /* We might need to update the superblock to set LARGE_FILE */
++ return 2;
++}
++
+ static int ext4_da_write_begin(struct file *file, struct address_space *mapping,
+ loff_t pos, unsigned len, unsigned flags,
+ struct page **pagep, void **fsdata)
+@@ -2697,7 +2711,8 @@ retry_grab:
+ * of file which has an already mapped buffer.
+ */
+ retry_journal:
+- handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE, 1);
++ handle = ext4_journal_start(inode, EXT4_HT_WRITE_PAGE,
++ ext4_da_write_credits(inode, pos, len));
+ if (IS_ERR(handle)) {
+ page_cache_release(page);
+ return PTR_ERR(handle);
+@@ -4351,6 +4366,13 @@ bad_inode:
+ return ERR_PTR(ret);
+ }
+
++struct inode *ext4_iget_normal(struct super_block *sb, unsigned long ino)
++{
++ if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)
++ return ERR_PTR(-EIO);
++ return ext4_iget(sb, ino);
++}
++
+ static int ext4_inode_blocks_set(handle_t *handle,
+ struct ext4_inode *raw_inode,
+ struct ext4_inode_info *ei)
+diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
+index 42624a995b00..d4fd81c44f55 100644
+--- a/fs/ext4/ioctl.c
++++ b/fs/ext4/ioctl.c
+@@ -549,9 +549,17 @@ group_add_out:
+ }
+
+ case EXT4_IOC_SWAP_BOOT:
++ {
++ int err;
+ if (!(filp->f_mode & FMODE_WRITE))
+ return -EBADF;
+- return swap_inode_boot_loader(sb, inode);
++ err = mnt_want_write_file(filp);
++ if (err)
++ return err;
++ err = swap_inode_boot_loader(sb, inode);
++ mnt_drop_write_file(filp);
++ return err;
++ }
+
+ case EXT4_IOC_RESIZE_FS: {
+ ext4_fsblk_t n_blocks_count;
+diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
+index ab2f6dc44b3a..f1312173fa90 100644
+--- a/fs/ext4/namei.c
++++ b/fs/ext4/namei.c
+@@ -1430,7 +1430,7 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsi
+ dentry->d_name.name);
+ return ERR_PTR(-EIO);
+ }
+- inode = ext4_iget(dir->i_sb, ino);
++ inode = ext4_iget_normal(dir->i_sb, ino);
+ if (inode == ERR_PTR(-ESTALE)) {
+ EXT4_ERROR_INODE(dir,
+ "deleted inode referenced: %u",
+@@ -1461,7 +1461,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
+ return ERR_PTR(-EIO);
+ }
+
+- return d_obtain_alias(ext4_iget(child->d_inode->i_sb, ino));
++ return d_obtain_alias(ext4_iget_normal(child->d_inode->i_sb, ino));
+ }
+
+ /*
+diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
+index c503850a61a8..a69bd74ed390 100644
+--- a/fs/ext4/resize.c
++++ b/fs/ext4/resize.c
+@@ -1066,7 +1066,7 @@ static void update_backups(struct super_block *sb, int blk_off, char *data,
+ break;
+
+ if (meta_bg == 0)
+- backup_block = group * bpg + blk_off;
++ backup_block = ((ext4_fsblk_t)group) * bpg + blk_off;
+ else
+ backup_block = (ext4_group_first_block_no(sb, group) +
+ ext4_bg_has_super(sb, group));
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 1fc14f7a08b2..21a0b43a7d31 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -964,7 +964,7 @@ static struct inode *ext4_nfs_get_inode(struct super_block *sb,
+ * Currently we don't know the generation for parent directory, so
+ * a generation of 0 means "accept any"
+ */
+- inode = ext4_iget(sb, ino);
++ inode = ext4_iget_normal(sb, ino);
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+ if (generation && inode->i_generation != generation) {
+@@ -1632,13 +1632,6 @@ static int parse_options(char *options, struct super_block *sb,
+ "not specified");
+ return 0;
+ }
+- } else {
+- if (sbi->s_jquota_fmt) {
+- ext4_msg(sb, KERN_ERR, "journaled quota format "
+- "specified with no journaling "
+- "enabled");
+- return 0;
+- }
+ }
+ #endif
+ if (test_opt(sb, DIOREAD_NOLOCK)) {
+@@ -1957,6 +1950,10 @@ static __le16 ext4_group_desc_csum(struct ext4_sb_info *sbi, __u32 block_group,
+ }
+
+ /* old crc16 code */
++ if (!(sbi->s_es->s_feature_ro_compat &
++ cpu_to_le32(EXT4_FEATURE_RO_COMPAT_GDT_CSUM)))
++ return 0;
++
+ offset = offsetof(struct ext4_group_desc, bg_checksum);
+
+ crc = crc16(~0, sbi->s_es->s_uuid, sizeof(sbi->s_es->s_uuid));
+diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
+index 298e9c8da364..a20816e7eb3a 100644
+--- a/fs/ext4/xattr.c
++++ b/fs/ext4/xattr.c
+@@ -189,14 +189,28 @@ ext4_listxattr(struct dentry *dentry, char *buffer, size_t size)
+ }
+
+ static int
+-ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end)
++ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end,
++ void *value_start)
+ {
+- while (!IS_LAST_ENTRY(entry)) {
+- struct ext4_xattr_entry *next = EXT4_XATTR_NEXT(entry);
++ struct ext4_xattr_entry *e = entry;
++
++ while (!IS_LAST_ENTRY(e)) {
++ struct ext4_xattr_entry *next = EXT4_XATTR_NEXT(e);
+ if ((void *)next >= end)
+ return -EIO;
+- entry = next;
++ e = next;
+ }
++
++ while (!IS_LAST_ENTRY(entry)) {
++ if (entry->e_value_size != 0 &&
++ (value_start + le16_to_cpu(entry->e_value_offs) <
++ (void *)e + sizeof(__u32) ||
++ value_start + le16_to_cpu(entry->e_value_offs) +
++ le32_to_cpu(entry->e_value_size) > end))
++ return -EIO;
++ entry = EXT4_XATTR_NEXT(entry);
++ }
++
+ return 0;
+ }
+
+@@ -213,7 +227,8 @@ ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh)
+ return -EIO;
+ if (!ext4_xattr_block_csum_verify(inode, bh->b_blocknr, BHDR(bh)))
+ return -EIO;
+- error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size);
++ error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size,
++ bh->b_data);
+ if (!error)
+ set_buffer_verified(bh);
+ return error;
+@@ -329,7 +344,7 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
+ header = IHDR(inode, raw_inode);
+ entry = IFIRST(header);
+ end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
+- error = ext4_xattr_check_names(entry, end);
++ error = ext4_xattr_check_names(entry, end, entry);
+ if (error)
+ goto cleanup;
+ error = ext4_xattr_find_entry(&entry, name_index, name,
+@@ -457,7 +472,7 @@ ext4_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size)
+ raw_inode = ext4_raw_inode(&iloc);
+ header = IHDR(inode, raw_inode);
+ end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
+- error = ext4_xattr_check_names(IFIRST(header), end);
++ error = ext4_xattr_check_names(IFIRST(header), end, IFIRST(header));
+ if (error)
+ goto cleanup;
+ error = ext4_xattr_list_entries(dentry, IFIRST(header),
+@@ -972,7 +987,8 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
+ is->s.here = is->s.first;
+ is->s.end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
+ if (ext4_test_inode_state(inode, EXT4_STATE_XATTR)) {
+- error = ext4_xattr_check_names(IFIRST(header), is->s.end);
++ error = ext4_xattr_check_names(IFIRST(header), is->s.end,
++ IFIRST(header));
+ if (error)
+ return error;
+ /* Find the named attribute. */
+diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
+index 3bacc1909ddb..6e2fb5cbacde 100644
+--- a/fs/jbd2/recovery.c
++++ b/fs/jbd2/recovery.c
+@@ -522,6 +522,7 @@ static int do_one_pass(journal_t *journal,
+ !jbd2_descr_block_csum_verify(journal,
+ bh->b_data)) {
+ err = -EIO;
++ brelse(bh);
+ goto failed;
+ }
+
+diff --git a/fs/jffs2/jffs2_fs_sb.h b/fs/jffs2/jffs2_fs_sb.h
+index 413ef89c2d1b..046fee8b6e9b 100644
+--- a/fs/jffs2/jffs2_fs_sb.h
++++ b/fs/jffs2/jffs2_fs_sb.h
+@@ -134,8 +134,6 @@ struct jffs2_sb_info {
+ struct rw_semaphore wbuf_sem; /* Protects the write buffer */
+
+ struct delayed_work wbuf_dwork; /* write-buffer write-out work */
+- int wbuf_queued; /* non-zero delayed work is queued */
+- spinlock_t wbuf_dwork_lock; /* protects wbuf_dwork and and wbuf_queued */
+
+ unsigned char *oobbuf;
+ int oobavail; /* How many bytes are available for JFFS2 in OOB */
+diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
+index a6597d60d76d..09ed55190ee2 100644
+--- a/fs/jffs2/wbuf.c
++++ b/fs/jffs2/wbuf.c
+@@ -1162,10 +1162,6 @@ static void delayed_wbuf_sync(struct work_struct *work)
+ struct jffs2_sb_info *c = work_to_sb(work);
+ struct super_block *sb = OFNI_BS_2SFFJ(c);
+
+- spin_lock(&c->wbuf_dwork_lock);
+- c->wbuf_queued = 0;
+- spin_unlock(&c->wbuf_dwork_lock);
+-
+ if (!(sb->s_flags & MS_RDONLY)) {
+ jffs2_dbg(1, "%s()\n", __func__);
+ jffs2_flush_wbuf_gc(c, 0);
+@@ -1180,14 +1176,9 @@ void jffs2_dirty_trigger(struct jffs2_sb_info *c)
+ if (sb->s_flags & MS_RDONLY)
+ return;
+
+- spin_lock(&c->wbuf_dwork_lock);
+- if (!c->wbuf_queued) {
++ delay = msecs_to_jiffies(dirty_writeback_interval * 10);
++ if (queue_delayed_work(system_long_wq, &c->wbuf_dwork, delay))
+ jffs2_dbg(1, "%s()\n", __func__);
+- delay = msecs_to_jiffies(dirty_writeback_interval * 10);
+- queue_delayed_work(system_long_wq, &c->wbuf_dwork, delay);
+- c->wbuf_queued = 1;
+- }
+- spin_unlock(&c->wbuf_dwork_lock);
+ }
+
+ int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
+@@ -1211,7 +1202,6 @@ int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
+
+ /* Initialise write buffer */
+ init_rwsem(&c->wbuf_sem);
+- spin_lock_init(&c->wbuf_dwork_lock);
+ INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
+ c->wbuf_pagesize = c->mtd->writesize;
+ c->wbuf_ofs = 0xFFFFFFFF;
+@@ -1251,7 +1241,6 @@ int jffs2_dataflash_setup(struct jffs2_sb_info *c) {
+
+ /* Initialize write buffer */
+ init_rwsem(&c->wbuf_sem);
+- spin_lock_init(&c->wbuf_dwork_lock);
+ INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
+ c->wbuf_pagesize = c->mtd->erasesize;
+
+@@ -1311,7 +1300,6 @@ int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c) {
+
+ /* Initialize write buffer */
+ init_rwsem(&c->wbuf_sem);
+- spin_lock_init(&c->wbuf_dwork_lock);
+ INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
+
+ c->wbuf_pagesize = c->mtd->writesize;
+@@ -1346,7 +1334,6 @@ int jffs2_ubivol_setup(struct jffs2_sb_info *c) {
+ return 0;
+
+ init_rwsem(&c->wbuf_sem);
+- spin_lock_init(&c->wbuf_dwork_lock);
+ INIT_DELAYED_WORK(&c->wbuf_dwork, delayed_wbuf_sync);
+
+ c->wbuf_pagesize = c->mtd->writesize;
+diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
+index 1812f026960c..6ae664b489af 100644
+--- a/fs/lockd/mon.c
++++ b/fs/lockd/mon.c
+@@ -159,6 +159,12 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res,
+
+ msg.rpc_proc = &clnt->cl_procinfo[proc];
+ status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);
++ if (status == -ECONNREFUSED) {
++ dprintk("lockd: NSM upcall RPC failed, status=%d, forcing rebind\n",
++ status);
++ rpc_force_rebind(clnt);
++ status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);
++ }
+ if (status < 0)
+ dprintk("lockd: NSM upcall RPC failed, status=%d\n",
+ status);
+diff --git a/fs/namespace.c b/fs/namespace.c
+index 7f6a9348c589..154822397780 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -2696,6 +2696,9 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
+ /* make sure we can reach put_old from new_root */
+ if (!is_path_reachable(old_mnt, old.dentry, &new))
+ goto out4;
++ /* make certain new is below the root */
++ if (!is_path_reachable(new_mnt, new.dentry, &root))
++ goto out4;
+ root_mp->m_count++; /* pin it so it won't go away */
+ br_write_lock(&vfsmount_lock);
+ detach_mnt(new_mnt, &parent_path);
+diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
+index 0f9ce13972d0..9240dd1678da 100644
+--- a/fs/nfsd/nfs4proc.c
++++ b/fs/nfsd/nfs4proc.c
+@@ -1191,7 +1191,8 @@ static bool need_wrongsec_check(struct svc_rqst *rqstp)
+ */
+ if (argp->opcnt == resp->opcnt)
+ return false;
+-
++ if (next->opnum == OP_ILLEGAL)
++ return false;
+ nextd = OPDESC(next);
+ /*
+ * Rest of 2.6.3.1.1: certain operations will return WRONGSEC
+diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
+index e4bcb2cf055a..3ba30825f387 100644
+--- a/fs/pstore/inode.c
++++ b/fs/pstore/inode.c
+@@ -316,10 +316,10 @@ int pstore_mkfile(enum pstore_type_id type, char *psname, u64 id, int count,
+ sprintf(name, "dmesg-%s-%lld", psname, id);
+ break;
+ case PSTORE_TYPE_CONSOLE:
+- sprintf(name, "console-%s", psname);
++ sprintf(name, "console-%s-%lld", psname, id);
+ break;
+ case PSTORE_TYPE_FTRACE:
+- sprintf(name, "ftrace-%s", psname);
++ sprintf(name, "ftrace-%s-%lld", psname, id);
+ break;
+ case PSTORE_TYPE_MCE:
+ sprintf(name, "mce-%s-%lld", psname, id);
+diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
+index 38802d683969..7a10e047bc33 100644
+--- a/fs/quota/dquot.c
++++ b/fs/quota/dquot.c
+@@ -637,7 +637,7 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
+ dqstats_inc(DQST_LOOKUPS);
+ err = sb->dq_op->write_dquot(dquot);
+ if (!ret && err)
+- err = ret;
++ ret = err;
+ dqput(dquot);
+ spin_lock(&dq_list_lock);
+ }
+diff --git a/fs/super.c b/fs/super.c
+index 68307c029228..e028b508db25 100644
+--- a/fs/super.c
++++ b/fs/super.c
+@@ -76,6 +76,8 @@ static int prune_super(struct shrinker *shrink, struct shrink_control *sc)
+
+ total_objects = sb->s_nr_dentry_unused +
+ sb->s_nr_inodes_unused + fs_objects + 1;
++ if (!total_objects)
++ total_objects = 1;
+
+ if (sc->nr_to_scan) {
+ int dentries;
+diff --git a/fs/ubifs/commit.c b/fs/ubifs/commit.c
+index ff8229340cd5..26b69b2d4a45 100644
+--- a/fs/ubifs/commit.c
++++ b/fs/ubifs/commit.c
+@@ -166,15 +166,10 @@ static int do_commit(struct ubifs_info *c)
+ err = ubifs_orphan_end_commit(c);
+ if (err)
+ goto out;
+- old_ltail_lnum = c->ltail_lnum;
+- err = ubifs_log_end_commit(c, new_ltail_lnum);
+- if (err)
+- goto out;
+ err = dbg_check_old_index(c, &zroot);
+ if (err)
+ goto out;
+
+- mutex_lock(&c->mst_mutex);
+ c->mst_node->cmt_no = cpu_to_le64(c->cmt_no);
+ c->mst_node->log_lnum = cpu_to_le32(new_ltail_lnum);
+ c->mst_node->root_lnum = cpu_to_le32(zroot.lnum);
+@@ -203,8 +198,9 @@ static int do_commit(struct ubifs_info *c)
+ c->mst_node->flags |= cpu_to_le32(UBIFS_MST_NO_ORPHS);
+ else
+ c->mst_node->flags &= ~cpu_to_le32(UBIFS_MST_NO_ORPHS);
+- err = ubifs_write_master(c);
+- mutex_unlock(&c->mst_mutex);
++
++ old_ltail_lnum = c->ltail_lnum;
++ err = ubifs_log_end_commit(c, new_ltail_lnum);
+ if (err)
+ goto out;
+
+diff --git a/fs/ubifs/log.c b/fs/ubifs/log.c
+index 36bd4efd0819..06649d21b056 100644
+--- a/fs/ubifs/log.c
++++ b/fs/ubifs/log.c
+@@ -106,10 +106,14 @@ static inline long long empty_log_bytes(const struct ubifs_info *c)
+ h = (long long)c->lhead_lnum * c->leb_size + c->lhead_offs;
+ t = (long long)c->ltail_lnum * c->leb_size;
+
+- if (h >= t)
++ if (h > t)
+ return c->log_bytes - h + t;
+- else
++ else if (h != t)
+ return t - h;
++ else if (c->lhead_lnum != c->ltail_lnum)
++ return 0;
++ else
++ return c->log_bytes;
+ }
+
+ /**
+@@ -447,9 +451,9 @@ out:
+ * @ltail_lnum: new log tail LEB number
+ *
+ * This function is called on when the commit operation was finished. It
+- * moves log tail to new position and unmaps LEBs which contain obsolete data.
+- * Returns zero in case of success and a negative error code in case of
+- * failure.
++ * moves log tail to new position and updates the master node so that it stores
++ * the new log tail LEB number. Returns zero in case of success and a negative
++ * error code in case of failure.
+ */
+ int ubifs_log_end_commit(struct ubifs_info *c, int ltail_lnum)
+ {
+@@ -477,7 +481,12 @@ int ubifs_log_end_commit(struct ubifs_info *c, int ltail_lnum)
+ spin_unlock(&c->buds_lock);
+
+ err = dbg_check_bud_bytes(c);
++ if (err)
++ goto out;
+
++ err = ubifs_write_master(c);
++
++out:
+ mutex_unlock(&c->log_mutex);
+ return err;
+ }
+diff --git a/fs/ubifs/master.c b/fs/ubifs/master.c
+index ab83ace9910a..1a4bb9e8b3b8 100644
+--- a/fs/ubifs/master.c
++++ b/fs/ubifs/master.c
+@@ -352,10 +352,9 @@ int ubifs_read_master(struct ubifs_info *c)
+ * ubifs_write_master - write master node.
+ * @c: UBIFS file-system description object
+ *
+- * This function writes the master node. The caller has to take the
+- * @c->mst_mutex lock before calling this function. Returns zero in case of
+- * success and a negative error code in case of failure. The master node is
+- * written twice to enable recovery.
++ * This function writes the master node. Returns zero in case of success and a
++ * negative error code in case of failure. The master node is written twice to
++ * enable recovery.
+ */
+ int ubifs_write_master(struct ubifs_info *c)
+ {
+diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
+index 879b9976c12b..05115d719408 100644
+--- a/fs/ubifs/super.c
++++ b/fs/ubifs/super.c
+@@ -1970,7 +1970,6 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi)
+ mutex_init(&c->lp_mutex);
+ mutex_init(&c->tnc_mutex);
+ mutex_init(&c->log_mutex);
+- mutex_init(&c->mst_mutex);
+ mutex_init(&c->umount_mutex);
+ mutex_init(&c->bu_mutex);
+ mutex_init(&c->write_reserve_mutex);
+diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
+index b2babce4d70f..bd51277f6fe1 100644
+--- a/fs/ubifs/ubifs.h
++++ b/fs/ubifs/ubifs.h
+@@ -1042,7 +1042,6 @@ struct ubifs_debug_info;
+ *
+ * @mst_node: master node
+ * @mst_offs: offset of valid master node
+- * @mst_mutex: protects the master node area, @mst_node, and @mst_offs
+ *
+ * @max_bu_buf_len: maximum bulk-read buffer length
+ * @bu_mutex: protects the pre-allocated bulk-read buffer and @c->bu
+@@ -1282,7 +1281,6 @@ struct ubifs_info {
+
+ struct ubifs_mst_node *mst_node;
+ int mst_offs;
+- struct mutex mst_mutex;
+
+ int max_bu_buf_len;
+ struct mutex bu_mutex;
+diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
+index 3a1cff56ef20..d7b717090f2f 100644
+--- a/include/drm/drm_pciids.h
++++ b/include/drm/drm_pciids.h
+@@ -52,7 +52,6 @@
+ {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
+ {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
+ {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|RADEON_IS_MOBILITY}, \
+- {0x1002, 0x4C6E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|RADEON_IS_MOBILITY}, \
+ {0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
+ {0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
+ {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
+diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
+index 2fdb4a451b49..494d228a91dd 100644
+--- a/include/linux/blkdev.h
++++ b/include/linux/blkdev.h
+@@ -1187,10 +1187,9 @@ static inline int queue_alignment_offset(struct request_queue *q)
+ static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t sector)
+ {
+ unsigned int granularity = max(lim->physical_block_size, lim->io_min);
+- unsigned int alignment = (sector << 9) & (granularity - 1);
++ unsigned int alignment = sector_div(sector, granularity >> 9) << 9;
+
+- return (granularity + lim->alignment_offset - alignment)
+- & (granularity - 1);
++ return (granularity + lim->alignment_offset - alignment) % granularity;
+ }
+
+ static inline int bdev_alignment_offset(struct block_device *bdev)
+diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
+index 24545cd90a25..02ae99e8e6d3 100644
+--- a/include/linux/compiler-gcc.h
++++ b/include/linux/compiler-gcc.h
+@@ -37,6 +37,9 @@
+ __asm__ ("" : "=r"(__ptr) : "0"(ptr)); \
+ (typeof(ptr)) (__ptr + (off)); })
+
++/* Make the optimizer believe the variable can be manipulated arbitrarily. */
++#define OPTIMIZER_HIDE_VAR(var) __asm__ ("" : "=r" (var) : "0" (var))
++
+ #ifdef __CHECKER__
+ #define __must_be_array(arr) 0
+ #else
+diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h
+index dc1bd3dcf11f..5529c5239421 100644
+--- a/include/linux/compiler-intel.h
++++ b/include/linux/compiler-intel.h
+@@ -15,6 +15,7 @@
+ */
+ #undef barrier
+ #undef RELOC_HIDE
++#undef OPTIMIZER_HIDE_VAR
+
+ #define barrier() __memory_barrier()
+
+@@ -23,6 +24,12 @@
+ __ptr = (unsigned long) (ptr); \
+ (typeof(ptr)) (__ptr + (off)); })
+
++/* This should act as an optimization barrier on var.
++ * Given that this compiler does not have inline assembly, a compiler barrier
++ * is the best we can do.
++ */
++#define OPTIMIZER_HIDE_VAR(var) barrier()
++
+ /* Intel ECC compiler doesn't support __builtin_types_compatible_p() */
+ #define __must_be_array(a) 0
+
+diff --git a/include/linux/compiler.h b/include/linux/compiler.h
+index 92669cd182a6..a2329c5e6206 100644
+--- a/include/linux/compiler.h
++++ b/include/linux/compiler.h
+@@ -170,6 +170,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
+ (typeof(ptr)) (__ptr + (off)); })
+ #endif
+
++#ifndef OPTIMIZER_HIDE_VAR
++#define OPTIMIZER_HIDE_VAR(var) barrier()
++#endif
++
+ /* Not-quite-unique ID. */
+ #ifndef __UNIQUE_ID
+ # define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __LINE__)
+diff --git a/include/linux/mm.h b/include/linux/mm.h
+index a9a48309f045..7da14357aa76 100644
+--- a/include/linux/mm.h
++++ b/include/linux/mm.h
+@@ -1004,6 +1004,7 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping,
+
+ extern void truncate_pagecache(struct inode *inode, loff_t old, loff_t new);
+ extern void truncate_setsize(struct inode *inode, loff_t newsize);
++void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to);
+ void truncate_pagecache_range(struct inode *inode, loff_t offset, loff_t end);
+ int truncate_inode_page(struct address_space *mapping, struct page *page);
+ int generic_error_remove_page(struct address_space *mapping, struct page *page);
+diff --git a/include/linux/of.h b/include/linux/of.h
+index 1fd08ca23106..5e9d35233a65 100644
+--- a/include/linux/of.h
++++ b/include/linux/of.h
+@@ -252,14 +252,12 @@ extern int of_property_read_u64(const struct device_node *np,
+ extern int of_property_read_string(struct device_node *np,
+ const char *propname,
+ const char **out_string);
+-extern int of_property_read_string_index(struct device_node *np,
+- const char *propname,
+- int index, const char **output);
+ extern int of_property_match_string(struct device_node *np,
+ const char *propname,
+ const char *string);
+-extern int of_property_count_strings(struct device_node *np,
+- const char *propname);
++extern int of_property_read_string_helper(struct device_node *np,
++ const char *propname,
++ const char **out_strs, size_t sz, int index);
+ extern int of_device_is_compatible(const struct device_node *device,
+ const char *);
+ extern int of_device_is_available(const struct device_node *device);
+@@ -439,15 +437,9 @@ static inline int of_property_read_string(struct device_node *np,
+ return -ENOSYS;
+ }
+
+-static inline int of_property_read_string_index(struct device_node *np,
+- const char *propname, int index,
+- const char **out_string)
+-{
+- return -ENOSYS;
+-}
+-
+-static inline int of_property_count_strings(struct device_node *np,
+- const char *propname)
++static inline int of_property_read_string_helper(struct device_node *np,
++ const char *propname,
++ const char **out_strs, size_t sz, int index)
+ {
+ return -ENOSYS;
+ }
+@@ -523,6 +515,70 @@ static inline int of_node_to_nid(struct device_node *np)
+ #endif
+
+ /**
++ * of_property_read_string_array() - Read an array of strings from a multiple
++ * strings property.
++ * @np: device node from which the property value is to be read.
++ * @propname: name of the property to be searched.
++ * @out_strs: output array of string pointers.
++ * @sz: number of array elements to read.
++ *
++ * Search for a property in a device tree node and retrieve a list of
++ * terminated string values (pointer to data, not a copy) in that property.
++ *
++ * If @out_strs is NULL, the number of strings in the property is returned.
++ */
++static inline int of_property_read_string_array(struct device_node *np,
++ const char *propname, const char **out_strs,
++ size_t sz)
++{
++ return of_property_read_string_helper(np, propname, out_strs, sz, 0);
++}
++
++/**
++ * of_property_count_strings() - Find and return the number of strings from a
++ * multiple strings property.
++ * @np: device node from which the property value is to be read.
++ * @propname: name of the property to be searched.
++ *
++ * Search for a property in a device tree node and retrieve the number of null
++ * terminated string contain in it. Returns the number of strings on
++ * success, -EINVAL if the property does not exist, -ENODATA if property
++ * does not have a value, and -EILSEQ if the string is not null-terminated
++ * within the length of the property data.
++ */
++static inline int of_property_count_strings(struct device_node *np,
++ const char *propname)
++{
++ return of_property_read_string_helper(np, propname, NULL, 0, 0);
++}
++
++/**
++ * of_property_read_string_index() - Find and read a string from a multiple
++ * strings property.
++ * @np: device node from which the property value is to be read.
++ * @propname: name of the property to be searched.
++ * @index: index of the string in the list of strings
++ * @out_string: pointer to null terminated return string, modified only if
++ * return value is 0.
++ *
++ * Search for a property in a device tree node and retrieve a null
++ * terminated string value (pointer to data, not a copy) in the list of strings
++ * contained in that property.
++ * Returns 0 on success, -EINVAL if the property does not exist, -ENODATA if
++ * property does not have a value, and -EILSEQ if the string is not
++ * null-terminated within the length of the property data.
++ *
++ * The out_string pointer is modified only if a valid string can be decoded.
++ */
++static inline int of_property_read_string_index(struct device_node *np,
++ const char *propname,
++ int index, const char **output)
++{
++ int rc = of_property_read_string_helper(np, propname, output, 1, index);
++ return rc < 0 ? rc : 0;
++}
++
++/**
+ * of_property_read_bool - Findfrom a property
+ * @np: device node from which the property value is to be read.
+ * @propname: name of the property to be searched.
+diff --git a/include/linux/oom.h b/include/linux/oom.h
+index da60007075b5..297cda528855 100644
+--- a/include/linux/oom.h
++++ b/include/linux/oom.h
+@@ -50,6 +50,9 @@ static inline bool oom_task_origin(const struct task_struct *p)
+ extern unsigned long oom_badness(struct task_struct *p,
+ struct mem_cgroup *memcg, const nodemask_t *nodemask,
+ unsigned long totalpages);
++
++extern int oom_kills_count(void);
++extern void note_oom_kill(void);
+ extern void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
+ unsigned int points, unsigned long totalpages,
+ struct mem_cgroup *memcg, nodemask_t *nodemask,
+diff --git a/include/linux/string.h b/include/linux/string.h
+index ac889c5ea11b..0ed878d0465c 100644
+--- a/include/linux/string.h
++++ b/include/linux/string.h
+@@ -129,7 +129,7 @@ int bprintf(u32 *bin_buf, size_t size, const char *fmt, ...) __printf(3, 4);
+ #endif
+
+ extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
+- const void *from, size_t available);
++ const void *from, size_t available);
+
+ /**
+ * strstarts - does @str start with @prefix?
+@@ -141,7 +141,8 @@ static inline bool strstarts(const char *str, const char *prefix)
+ return strncmp(str, prefix, strlen(prefix)) == 0;
+ }
+
+-extern size_t memweight(const void *ptr, size_t bytes);
++size_t memweight(const void *ptr, size_t bytes);
++void memzero_explicit(void *s, size_t count);
+
+ /**
+ * kbasename - return the last part of a pathname.
+diff --git a/kernel/freezer.c b/kernel/freezer.c
+index 78758512b1e1..bd733f6e610d 100644
+--- a/kernel/freezer.c
++++ b/kernel/freezer.c
+@@ -42,6 +42,9 @@ bool freezing_slow_path(struct task_struct *p)
+ if (p->flags & PF_NOFREEZE)
+ return false;
+
++ if (test_thread_flag(TIF_MEMDIE))
++ return false;
++
+ if (pm_nosig_freezing || cgroup_freezing(p))
+ return true;
+
+diff --git a/kernel/module.c b/kernel/module.c
+index 10a3af821d28..61fb677211cb 100644
+--- a/kernel/module.c
++++ b/kernel/module.c
+@@ -1866,7 +1866,9 @@ static void free_module(struct module *mod)
+
+ /* We leave it in list to prevent duplicate loads, but make sure
+ * that noone uses it while it's being deconstructed. */
++ mutex_lock(&module_mutex);
+ mod->state = MODULE_STATE_UNFORMED;
++ mutex_unlock(&module_mutex);
+
+ /* Remove dynamic debug info */
+ ddebug_remove_module(mod->name);
+diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
+index 424c2d4265c9..77e6b83c0431 100644
+--- a/kernel/posix-timers.c
++++ b/kernel/posix-timers.c
+@@ -634,6 +634,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
+ goto out;
+ }
+ } else {
++ memset(&event.sigev_value, 0, sizeof(event.sigev_value));
+ event.sigev_notify = SIGEV_SIGNAL;
+ event.sigev_signo = SIGALRM;
+ event.sigev_value.sival_int = new_timer->it_id;
+diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
+index b26f5f1e773e..1634dc6e2fe7 100644
+--- a/kernel/power/hibernate.c
++++ b/kernel/power/hibernate.c
+@@ -491,8 +491,14 @@ int hibernation_restore(int platform_mode)
+ error = dpm_suspend_start(PMSG_QUIESCE);
+ if (!error) {
+ error = resume_target_kernel(platform_mode);
+- dpm_resume_end(PMSG_RECOVER);
++ /*
++ * The above should either succeed and jump to the new kernel,
++ * or return with an error. Otherwise things are just
++ * undefined, so let's be paranoid.
++ */
++ BUG_ON(!error);
+ }
++ dpm_resume_end(PMSG_RECOVER);
+ pm_restore_gfp_mask();
+ ftrace_start();
+ resume_console();
+diff --git a/kernel/power/process.c b/kernel/power/process.c
+index 1b212bee1510..0695319b5fde 100644
+--- a/kernel/power/process.c
++++ b/kernel/power/process.c
+@@ -103,6 +103,28 @@ static int try_to_freeze_tasks(bool user_only)
+ return todo ? -EBUSY : 0;
+ }
+
++/*
++ * Returns true if all freezable tasks (except for current) are frozen already
++ */
++static bool check_frozen_processes(void)
++{
++ struct task_struct *g, *p;
++ bool ret = true;
++
++ read_lock(&tasklist_lock);
++ for_each_process_thread(g, p) {
++ if (p != current && !freezer_should_skip(p) &&
++ !frozen(p)) {
++ ret = false;
++ goto done;
++ }
++ }
++done:
++ read_unlock(&tasklist_lock);
++
++ return ret;
++}
++
+ /**
+ * freeze_processes - Signal user space processes to enter the refrigerator.
+ *
+@@ -111,6 +133,7 @@ static int try_to_freeze_tasks(bool user_only)
+ int freeze_processes(void)
+ {
+ int error;
++ int oom_kills_saved;
+
+ error = __usermodehelper_disable(UMH_FREEZING);
+ if (error)
+@@ -121,12 +144,27 @@ int freeze_processes(void)
+
+ printk("Freezing user space processes ... ");
+ pm_freezing = true;
++ oom_kills_saved = oom_kills_count();
+ error = try_to_freeze_tasks(true);
+ if (!error) {
+- printk("done.");
+ __usermodehelper_set_disable_depth(UMH_DISABLED);
+ oom_killer_disable();
++
++ /*
++ * There might have been an OOM kill while we were
++ * freezing tasks and the killed task might be still
++ * on the way out so we have to double check for race.
++ */
++ if (oom_kills_count() != oom_kills_saved &&
++ !check_frozen_processes()) {
++ __usermodehelper_set_disable_depth(UMH_ENABLED);
++ printk("OOM in progress.");
++ error = -EBUSY;
++ goto done;
++ }
++ printk("done.");
+ }
++done:
+ printk("\n");
+ BUG_ON(in_atomic());
+
+diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
+index 322e16461072..bdb9ee0af991 100644
+--- a/kernel/trace/trace_syscalls.c
++++ b/kernel/trace/trace_syscalls.c
+@@ -312,7 +312,7 @@ static void ftrace_syscall_enter(void *data, struct pt_regs *regs, long id)
+ int size;
+
+ syscall_nr = trace_get_syscall_nr(current, regs);
+- if (syscall_nr < 0)
++ if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
+ return;
+ if (!test_bit(syscall_nr, tr->enabled_enter_syscalls))
+ return;
+@@ -354,7 +354,7 @@ static void ftrace_syscall_exit(void *data, struct pt_regs *regs, long ret)
+ int syscall_nr;
+
+ syscall_nr = trace_get_syscall_nr(current, regs);
+- if (syscall_nr < 0)
++ if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
+ return;
+ if (!test_bit(syscall_nr, tr->enabled_exit_syscalls))
+ return;
+@@ -557,7 +557,7 @@ static void perf_syscall_enter(void *ignore, struct pt_regs *regs, long id)
+ int size;
+
+ syscall_nr = trace_get_syscall_nr(current, regs);
+- if (syscall_nr < 0)
++ if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
+ return;
+ if (!test_bit(syscall_nr, enabled_perf_enter_syscalls))
+ return;
+@@ -633,7 +633,7 @@ static void perf_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
+ int size;
+
+ syscall_nr = trace_get_syscall_nr(current, regs);
+- if (syscall_nr < 0)
++ if (syscall_nr < 0 || syscall_nr >= NR_syscalls)
+ return;
+ if (!test_bit(syscall_nr, enabled_perf_exit_syscalls))
+ return;
+diff --git a/lib/bitmap.c b/lib/bitmap.c
+index 06f7e4fe8d2d..e5c4ebe586ba 100644
+--- a/lib/bitmap.c
++++ b/lib/bitmap.c
+@@ -131,7 +131,9 @@ void __bitmap_shift_right(unsigned long *dst,
+ lower = src[off + k];
+ if (left && off + k == lim - 1)
+ lower &= mask;
+- dst[k] = upper << (BITS_PER_LONG - rem) | lower >> rem;
++ dst[k] = lower >> rem;
++ if (rem)
++ dst[k] |= upper << (BITS_PER_LONG - rem);
+ if (left && k == lim - 1)
+ dst[k] &= mask;
+ }
+@@ -172,7 +174,9 @@ void __bitmap_shift_left(unsigned long *dst,
+ upper = src[k];
+ if (left && k == lim - 1)
+ upper &= (1UL << left) - 1;
+- dst[k + off] = lower >> (BITS_PER_LONG - rem) | upper << rem;
++ dst[k + off] = upper << rem;
++ if (rem)
++ dst[k + off] |= lower >> (BITS_PER_LONG - rem);
+ if (left && k + off == lim - 1)
+ dst[k + off] &= (1UL << left) - 1;
+ }
+diff --git a/lib/string.c b/lib/string.c
+index e5878de4f101..43d0781daf47 100644
+--- a/lib/string.c
++++ b/lib/string.c
+@@ -586,6 +586,22 @@ void *memset(void *s, int c, size_t count)
+ EXPORT_SYMBOL(memset);
+ #endif
+
++/**
++ * memzero_explicit - Fill a region of memory (e.g. sensitive
++ * keying data) with 0s.
++ * @s: Pointer to the start of the area.
++ * @count: The size of the area.
++ *
++ * memzero_explicit() doesn't need an arch-specific version as
++ * it just invokes the one of memset() implicitly.
++ */
++void memzero_explicit(void *s, size_t count)
++{
++ memset(s, 0, count);
++ OPTIMIZER_HIDE_VAR(s);
++}
++EXPORT_SYMBOL(memzero_explicit);
++
+ #ifndef __HAVE_ARCH_MEMCPY
+ /**
+ * memcpy - Copy one area of memory to another
+diff --git a/mm/oom_kill.c b/mm/oom_kill.c
+index 8e40908e724a..f104c7e9f61e 100644
+--- a/mm/oom_kill.c
++++ b/mm/oom_kill.c
+@@ -402,6 +402,23 @@ static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
+ dump_tasks(memcg, nodemask);
+ }
+
++/*
++ * Number of OOM killer invocations (including memcg OOM killer).
++ * Primarily used by PM freezer to check for potential races with
++ * OOM killed frozen task.
++ */
++static atomic_t oom_kills = ATOMIC_INIT(0);
++
++int oom_kills_count(void)
++{
++ return atomic_read(&oom_kills);
++}
++
++void note_oom_kill(void)
++{
++ atomic_inc(&oom_kills);
++}
++
+ #define K(x) ((x) << (PAGE_SHIFT-10))
+ /*
+ * Must be called while holding a reference to p, which will be released upon
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index 71305c6aba5b..494a081ec5e4 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -2120,6 +2120,14 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
+ }
+
+ /*
++ * PM-freezer should be notified that there might be an OOM killer on
++ * its way to kill and wake somebody up. This is too early and we might
++ * end up not killing anything but false positives are acceptable.
++ * See freeze_processes.
++ */
++ note_oom_kill();
++
++ /*
+ * Go through the zonelist yet one more time, keep very high watermark
+ * here, this is only to catch a parallel oom killing, we must fail if
+ * we're still under heavy pressure.
+diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
+index 6d757e3a872a..e007236f345a 100644
+--- a/mm/page_cgroup.c
++++ b/mm/page_cgroup.c
+@@ -170,6 +170,7 @@ static void free_page_cgroup(void *addr)
+ sizeof(struct page_cgroup) * PAGES_PER_SECTION;
+
+ BUG_ON(PageReserved(page));
++ kmemleak_free(addr);
+ free_pages_exact(addr, table_size);
+ }
+ }
+diff --git a/mm/percpu.c b/mm/percpu.c
+index 9bc1bf914cc8..25e2ea52db82 100644
+--- a/mm/percpu.c
++++ b/mm/percpu.c
+@@ -1910,8 +1910,6 @@ void __init setup_per_cpu_areas(void)
+
+ if (pcpu_setup_first_chunk(ai, fc) < 0)
+ panic("Failed to initialize percpu areas.");
+-
+- pcpu_free_alloc_info(ai);
+ }
+
+ #endif /* CONFIG_SMP */
+diff --git a/mm/truncate.c b/mm/truncate.c
+index c75b736e54b7..2d6151fc8f08 100644
+--- a/mm/truncate.c
++++ b/mm/truncate.c
+@@ -20,6 +20,7 @@
+ #include <linux/buffer_head.h> /* grr. try_to_release_page,
+ do_invalidatepage */
+ #include <linux/cleancache.h>
++#include <linux/rmap.h>
+ #include "internal.h"
+
+
+@@ -567,16 +568,67 @@ EXPORT_SYMBOL(truncate_pagecache);
+ */
+ void truncate_setsize(struct inode *inode, loff_t newsize)
+ {
+- loff_t oldsize;
++ loff_t oldsize = inode->i_size;
+
+- oldsize = inode->i_size;
+ i_size_write(inode, newsize);
+-
++ if (newsize > oldsize)
++ pagecache_isize_extended(inode, oldsize, newsize);
+ truncate_pagecache(inode, oldsize, newsize);
+ }
+ EXPORT_SYMBOL(truncate_setsize);
+
+ /**
++ * pagecache_isize_extended - update pagecache after extension of i_size
++ * @inode: inode for which i_size was extended
++ * @from: original inode size
++ * @to: new inode size
++ *
++ * Handle extension of inode size either caused by extending truncate or by
++ * write starting after current i_size. We mark the page straddling current
++ * i_size RO so that page_mkwrite() is called on the nearest write access to
++ * the page. This way filesystem can be sure that page_mkwrite() is called on
++ * the page before user writes to the page via mmap after the i_size has been
++ * changed.
++ *
++ * The function must be called after i_size is updated so that page fault
++ * coming after we unlock the page will already see the new i_size.
++ * The function must be called while we still hold i_mutex - this not only
++ * makes sure i_size is stable but also that userspace cannot observe new
++ * i_size value before we are prepared to store mmap writes at new inode size.
++ */
++void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to)
++{
++ int bsize = 1 << inode->i_blkbits;
++ loff_t rounded_from;
++ struct page *page;
++ pgoff_t index;
++
++ WARN_ON(to > inode->i_size);
++
++ if (from >= to || bsize == PAGE_CACHE_SIZE)
++ return;
++ /* Page straddling @from will not have any hole block created? */
++ rounded_from = round_up(from, bsize);
++ if (to <= rounded_from || !(rounded_from & (PAGE_CACHE_SIZE - 1)))
++ return;
++
++ index = from >> PAGE_CACHE_SHIFT;
++ page = find_lock_page(inode->i_mapping, index);
++ /* Page not cached? Nothing to do */
++ if (!page)
++ return;
++ /*
++ * See clear_page_dirty_for_io() for details why set_page_dirty()
++ * is needed.
++ */
++ if (page_mkclean(page))
++ set_page_dirty(page);
++ unlock_page(page);
++ page_cache_release(page);
++}
++EXPORT_SYMBOL(pagecache_isize_extended);
++
++/**
+ * truncate_pagecache_range - unmap and remove pagecache that is hole-punched
+ * @inode: inode
+ * @lstart: offset of beginning of hole
+diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
+index 66e77f380fce..e3bea2e0821a 100644
+--- a/net/ceph/messenger.c
++++ b/net/ceph/messenger.c
+@@ -290,7 +290,8 @@ int ceph_msgr_init(void)
+ if (ceph_msgr_slab_init())
+ return -ENOMEM;
+
+- ceph_msgr_wq = alloc_workqueue("ceph-msgr", WQ_NON_REENTRANT, 0);
++ ceph_msgr_wq = alloc_workqueue("ceph-msgr",
++ WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);
+ if (ceph_msgr_wq)
+ return 0;
+
+diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
+index 9c3979a50804..bc773a10dca6 100644
+--- a/net/ipv4/fib_semantics.c
++++ b/net/ipv4/fib_semantics.c
+@@ -533,7 +533,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
+ return 1;
+
+ attrlen = rtnh_attrlen(rtnh);
+- if (attrlen < 0) {
++ if (attrlen > 0) {
+ struct nlattr *nla, *attrs = rtnh_attrs(rtnh);
+
+ nla = nla_find(attrs, attrlen, RTA_GATEWAY);
+diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
+index 5afbbbe03b0e..22fa05e041ea 100644
+--- a/net/ipv4/ip_output.c
++++ b/net/ipv4/ip_output.c
+@@ -1481,6 +1481,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
+ struct sk_buff *nskb;
+ struct sock *sk;
+ struct inet_sock *inet;
++ int err;
+
+ if (ip_options_echo(&replyopts.opt.opt, skb))
+ return;
+@@ -1517,8 +1518,13 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
+ sock_net_set(sk, net);
+ __skb_queue_head_init(&sk->sk_write_queue);
+ sk->sk_sndbuf = sysctl_wmem_default;
+- ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base, len, 0,
+- &ipc, &rt, MSG_DONTWAIT);
++ err = ip_append_data(sk, &fl4, ip_reply_glue_bits, arg->iov->iov_base,
++ len, 0, &ipc, &rt, MSG_DONTWAIT);
++ if (unlikely(err)) {
++ ip_flush_pending_frames(sk);
++ goto out;
++ }
++
+ nskb = skb_peek(&sk->sk_write_queue);
+ if (nskb) {
+ if (arg->csumoffset >= 0)
+@@ -1530,7 +1536,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
+ skb_set_queue_mapping(nskb, skb_get_queue_mapping(skb));
+ ip_push_pending_frames(sk, &fl4);
+ }
+-
++out:
+ put_cpu_var(unicast_sock);
+
+ ip_rt_put(rt);
+diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
+index a02bef35b134..d68d6cfac3b5 100644
+--- a/net/mac80211/rate.c
++++ b/net/mac80211/rate.c
+@@ -448,7 +448,7 @@ static void rate_fixup_ratelist(struct ieee80211_vif *vif,
+ */
+ if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
+ u32 basic_rates = vif->bss_conf.basic_rates;
+- s8 baserate = basic_rates ? ffs(basic_rates - 1) : 0;
++ s8 baserate = basic_rates ? ffs(basic_rates) - 1 : 0;
+
+ rate = &sband->bitrates[rates[0].idx];
+
+diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
+index 5ed562dfe743..afe41178c9fb 100644
+--- a/net/netlink/af_netlink.c
++++ b/net/netlink/af_netlink.c
+@@ -571,7 +571,7 @@ static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg,
+ * after validation, the socket and the ring may only be used by a
+ * single process, otherwise we fall back to copying.
+ */
+- if (atomic_long_read(&sk->sk_socket->file->f_count) > 2 ||
++ if (atomic_long_read(&sk->sk_socket->file->f_count) > 1 ||
+ atomic_read(&nlk->mapped) > 1)
+ excl = false;
+
+diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
+index b9b2bebeb350..b980a6ce5c79 100644
+--- a/security/integrity/evm/evm_main.c
++++ b/security/integrity/evm/evm_main.c
+@@ -286,9 +286,12 @@ int evm_inode_setxattr(struct dentry *dentry, const char *xattr_name,
+ {
+ const struct evm_ima_xattr_data *xattr_data = xattr_value;
+
+- if ((strcmp(xattr_name, XATTR_NAME_EVM) == 0)
+- && (xattr_data->type == EVM_XATTR_HMAC))
+- return -EPERM;
++ if (strcmp(xattr_name, XATTR_NAME_EVM) == 0) {
++ if (!xattr_value_len)
++ return -EINVAL;
++ if (xattr_data->type != EVM_IMA_XATTR_DIGSIG)
++ return -EPERM;
++ }
+ return evm_protect_xattr(dentry, xattr_name, xattr_value,
+ xattr_value_len);
+ }
+diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
+index 70d4a8a7f21c..fdd6e4f8be39 100644
+--- a/security/selinux/hooks.c
++++ b/security/selinux/hooks.c
+@@ -437,6 +437,7 @@ next_inode:
+ list_entry(sbsec->isec_head.next,
+ struct inode_security_struct, list);
+ struct inode *inode = isec->inode;
++ list_del_init(&isec->list);
+ spin_unlock(&sbsec->isec_lock);
+ inode = igrab(inode);
+ if (inode) {
+@@ -445,7 +446,6 @@ next_inode:
+ iput(inode);
+ }
+ spin_lock(&sbsec->isec_lock);
+- list_del_init(&isec->list);
+ goto next_inode;
+ }
+ spin_unlock(&sbsec->isec_lock);
+diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
+index af49721ba0e3..c4ac3c1e19af 100644
+--- a/sound/core/pcm_compat.c
++++ b/sound/core/pcm_compat.c
+@@ -206,6 +206,8 @@ static int snd_pcm_status_user_compat(struct snd_pcm_substream *substream,
+ if (err < 0)
+ return err;
+
++ if (clear_user(src, sizeof(*src)))
++ return -EFAULT;
+ if (put_user(status.state, &src->state) ||
+ compat_put_timespec(&status.trigger_tstamp, &src->trigger_tstamp) ||
+ compat_put_timespec(&status.tstamp, &src->tstamp) ||
+diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
+index dec997188dfb..a650aa48c786 100644
+--- a/virt/kvm/iommu.c
++++ b/virt/kvm/iommu.c
+@@ -43,13 +43,13 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
+ gfn_t base_gfn, unsigned long npages);
+
+ static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
+- unsigned long size)
++ unsigned long npages)
+ {
+ gfn_t end_gfn;
+ pfn_t pfn;
+
+ pfn = gfn_to_pfn_memslot(slot, gfn);
+- end_gfn = gfn + (size >> PAGE_SHIFT);
++ end_gfn = gfn + npages;
+ gfn += 1;
+
+ if (is_error_noslot_pfn(pfn))
+@@ -119,7 +119,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
+ * Pin all pages we are about to map in memory. This is
+ * important because we unmap and unpin in 4kb steps later.
+ */
+- pfn = kvm_pin_pages(slot, gfn, page_size);
++ pfn = kvm_pin_pages(slot, gfn, page_size >> PAGE_SHIFT);
+ if (is_error_noslot_pfn(pfn)) {
+ gfn += 1;
+ continue;
+@@ -131,7 +131,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
+ if (r) {
+ printk(KERN_ERR "kvm_iommu_map_address:"
+ "iommu failed to map pfn=%llx\n", pfn);
+- kvm_unpin_pages(kvm, pfn, page_size);
++ kvm_unpin_pages(kvm, pfn, page_size >> PAGE_SHIFT);
+ goto unmap_pages;
+ }
+
next reply other threads:[~2014-11-14 19:56 UTC|newest]
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