Re: Linux 4.9.30

From: Greg KH
Date: Thu May 25 2017 - 12:22:53 EST


diff --git a/Documentation/arm64/tagged-pointers.txt b/Documentation/arm64/tagged-pointers.txt
index d9995f1f51b3..a25a99e82bb1 100644
--- a/Documentation/arm64/tagged-pointers.txt
+++ b/Documentation/arm64/tagged-pointers.txt
@@ -11,24 +11,56 @@ in AArch64 Linux.
The kernel configures the translation tables so that translations made
via TTBR0 (i.e. userspace mappings) have the top byte (bits 63:56) of
the virtual address ignored by the translation hardware. This frees up
-this byte for application use, with the following caveats:
+this byte for application use.

- (1) The kernel requires that all user addresses passed to EL1
- are tagged with tag 0x00. This means that any syscall
- parameters containing user virtual addresses *must* have
- their top byte cleared before trapping to the kernel.

- (2) Non-zero tags are not preserved when delivering signals.
- This means that signal handlers in applications making use
- of tags cannot rely on the tag information for user virtual
- addresses being maintained for fields inside siginfo_t.
- One exception to this rule is for signals raised in response
- to watchpoint debug exceptions, where the tag information
- will be preserved.
+Passing tagged addresses to the kernel
+--------------------------------------

- (3) Special care should be taken when using tagged pointers,
- since it is likely that C compilers will not hazard two
- virtual addresses differing only in the upper byte.
+All interpretation of userspace memory addresses by the kernel assumes
+an address tag of 0x00.
+
+This includes, but is not limited to, addresses found in:
+
+ - pointer arguments to system calls, including pointers in structures
+ passed to system calls,
+
+ - the stack pointer (sp), e.g. when interpreting it to deliver a
+ signal,
+
+ - the frame pointer (x29) and frame records, e.g. when interpreting
+ them to generate a backtrace or call graph.
+
+Using non-zero address tags in any of these locations may result in an
+error code being returned, a (fatal) signal being raised, or other modes
+of failure.
+
+For these reasons, passing non-zero address tags to the kernel via
+system calls is forbidden, and using a non-zero address tag for sp is
+strongly discouraged.
+
+Programs maintaining a frame pointer and frame records that use non-zero
+address tags may suffer impaired or inaccurate debug and profiling
+visibility.
+
+
+Preserving tags
+---------------
+
+Non-zero tags are not preserved when delivering signals. This means that
+signal handlers in applications making use of tags cannot rely on the
+tag information for user virtual addresses being maintained for fields
+inside siginfo_t. One exception to this rule is for signals raised in
+response to watchpoint debug exceptions, where the tag information will
+be preserved.

The architecture prevents the use of a tagged PC, so the upper byte will
be set to a sign-extension of bit 55 on exception return.
+
+
+Other considerations
+--------------------
+
+Special care should be taken when using tagged pointers, since it is
+likely that C compilers will not hazard two virtual addresses differing
+only in the upper byte.
diff --git a/Makefile b/Makefile
index c12e501a18b8..b78a45bcf9b1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 29
+SUBLEVEL = 30
EXTRAVERSION =
NAME = Roaring Lionus

diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index ffb93f499c83..4f95577b0180 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1188,8 +1188,10 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options,
if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur)))
return -EFAULT;

- err = 0;
- err |= put_user(status, ustatus);
+ err = put_user(status, ustatus);
+ if (ret < 0)
+ return err ? err : ret;
+
err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec);
err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec);
err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec);
diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
index c51fc652f6c7..5a53fcf542ab 100644
--- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts
@@ -162,9 +162,10 @@
};

adc0: adc@f8018000 {
+ atmel,adc-vref = <3300>;
+ atmel,adc-channels-used = <0xfe>;
pinctrl-0 = <
&pinctrl_adc0_adtrg
- &pinctrl_adc0_ad0
&pinctrl_adc0_ad1
&pinctrl_adc0_ad2
&pinctrl_adc0_ad3
@@ -172,8 +173,6 @@
&pinctrl_adc0_ad5
&pinctrl_adc0_ad6
&pinctrl_adc0_ad7
- &pinctrl_adc0_ad8
- &pinctrl_adc0_ad9
>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts
index 5bb8fd57e7f5..d71da30c9cff 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dts
+++ b/arch/arm/boot/dts/imx6sx-sdb.dts
@@ -12,23 +12,6 @@
model = "Freescale i.MX6 SoloX SDB RevB Board";
};

-&cpu0 {
- operating-points = <
- /* kHz uV */
- 996000 1250000
- 792000 1175000
- 396000 1175000
- 198000 1175000
- >;
- fsl,soc-operating-points = <
- /* ARM kHz SOC uV */
- 996000 1250000
- 792000 1175000
- 396000 1175000
- 198000 1175000
- >;
-};
-
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index 4e361a8c167e..b4bfa5586c23 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -569,6 +569,7 @@
regulator-name = "+3VS,vdd_pnl";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
gpio = <&gpio TEGRA_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
enable-active-high;
};
diff --git a/arch/arm/include/asm/kvm_coproc.h b/arch/arm/include/asm/kvm_coproc.h
index 4917c2f7e459..e74ab0fbab79 100644
--- a/arch/arm/include/asm/kvm_coproc.h
+++ b/arch/arm/include/asm/kvm_coproc.h
@@ -31,7 +31,8 @@ void kvm_register_target_coproc_table(struct kvm_coproc_target_table *table);
int kvm_handle_cp10_id(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp_0_13_access(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run);
-int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run);
+int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
+int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run);

diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 464748b9fd7d..ed2319663a1e 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -18,13 +18,18 @@ enum {
};
#endif

+struct mod_plt_sec {
+ struct elf32_shdr *plt;
+ int plt_count;
+};
+
struct mod_arch_specific {
#ifdef CONFIG_ARM_UNWIND
struct unwind_table *unwind[ARM_SEC_MAX];
#endif
#ifdef CONFIG_ARM_MODULE_PLTS
- struct elf32_shdr *plt;
- int plt_count;
+ struct mod_plt_sec core;
+ struct mod_plt_sec init;
#endif
};

diff --git a/arch/arm/kernel/module-plts.c b/arch/arm/kernel/module-plts.c
index 3a5cba90c971..3d0c2e4dda1d 100644
--- a/arch/arm/kernel/module-plts.c
+++ b/arch/arm/kernel/module-plts.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@xxxxxxxxxx>
+ * Copyright (C) 2014-2017 Linaro Ltd. <ard.biesheuvel@xxxxxxxxxx>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -31,9 +31,17 @@ struct plt_entries {
u32 lit[PLT_ENT_COUNT];
};

+static bool in_init(const struct module *mod, unsigned long loc)
+{
+ return loc - (u32)mod->init_layout.base < mod->init_layout.size;
+}
+
u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val)
{
- struct plt_entries *plt = (struct plt_entries *)mod->arch.plt->sh_addr;
+ struct mod_plt_sec *pltsec = !in_init(mod, loc) ? &mod->arch.core :
+ &mod->arch.init;
+
+ struct plt_entries *plt = (struct plt_entries *)pltsec->plt->sh_addr;
int idx = 0;

/*
@@ -41,9 +49,9 @@ u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val)
* relocations are sorted, this will be the last entry we allocated.
* (if one exists).
*/
- if (mod->arch.plt_count > 0) {
- plt += (mod->arch.plt_count - 1) / PLT_ENT_COUNT;
- idx = (mod->arch.plt_count - 1) % PLT_ENT_COUNT;
+ if (pltsec->plt_count > 0) {
+ plt += (pltsec->plt_count - 1) / PLT_ENT_COUNT;
+ idx = (pltsec->plt_count - 1) % PLT_ENT_COUNT;

if (plt->lit[idx] == val)
return (u32)&plt->ldr[idx];
@@ -53,8 +61,8 @@ u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val)
plt++;
}

- mod->arch.plt_count++;
- BUG_ON(mod->arch.plt_count * PLT_ENT_SIZE > mod->arch.plt->sh_size);
+ pltsec->plt_count++;
+ BUG_ON(pltsec->plt_count * PLT_ENT_SIZE > pltsec->plt->sh_size);

if (!idx)
/* Populate a new set of entries */
@@ -129,7 +137,7 @@ static bool duplicate_rel(Elf32_Addr base, const Elf32_Rel *rel, int num)

/* Count how many PLT entries we may need */
static unsigned int count_plts(const Elf32_Sym *syms, Elf32_Addr base,
- const Elf32_Rel *rel, int num)
+ const Elf32_Rel *rel, int num, Elf32_Word dstidx)
{
unsigned int ret = 0;
const Elf32_Sym *s;
@@ -144,13 +152,17 @@ static unsigned int count_plts(const Elf32_Sym *syms, Elf32_Addr base,
case R_ARM_THM_JUMP24:
/*
* We only have to consider branch targets that resolve
- * to undefined symbols. This is not simply a heuristic,
- * it is a fundamental limitation, since the PLT itself
- * is part of the module, and needs to be within range
- * as well, so modules can never grow beyond that limit.
+ * to symbols that are defined in a different section.
+ * This is not simply a heuristic, it is a fundamental
+ * limitation, since there is no guaranteed way to emit
+ * PLT entries sufficiently close to the branch if the
+ * section size exceeds the range of a branch
+ * instruction. So ignore relocations against defined
+ * symbols if they live in the same section as the
+ * relocation target.
*/
s = syms + ELF32_R_SYM(rel[i].r_info);
- if (s->st_shndx != SHN_UNDEF)
+ if (s->st_shndx == dstidx)
break;

/*
@@ -161,7 +173,12 @@ static unsigned int count_plts(const Elf32_Sym *syms, Elf32_Addr base,
* So we need to support them, but there is no need to
* take them into consideration when trying to optimize
* this code. So let's only check for duplicates when
- * the addend is zero.
+ * the addend is zero. (Note that calls into the core
+ * module via init PLT entries could involve section
+ * relative symbol references with non-zero addends, for
+ * which we may end up emitting duplicates, but the init
+ * PLT is released along with the rest of the .init
+ * region as soon as module loading completes.)
*/
if (!is_zero_addend_relocation(base, rel + i) ||
!duplicate_rel(base, rel, i))
@@ -174,7 +191,8 @@ static unsigned int count_plts(const Elf32_Sym *syms, Elf32_Addr base,
int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
char *secstrings, struct module *mod)
{
- unsigned long plts = 0;
+ unsigned long core_plts = 0;
+ unsigned long init_plts = 0;
Elf32_Shdr *s, *sechdrs_end = sechdrs + ehdr->e_shnum;
Elf32_Sym *syms = NULL;

@@ -184,13 +202,15 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
*/
for (s = sechdrs; s < sechdrs_end; ++s) {
if (strcmp(".plt", secstrings + s->sh_name) == 0)
- mod->arch.plt = s;
+ mod->arch.core.plt = s;
+ else if (strcmp(".init.plt", secstrings + s->sh_name) == 0)
+ mod->arch.init.plt = s;
else if (s->sh_type == SHT_SYMTAB)
syms = (Elf32_Sym *)s->sh_addr;
}

- if (!mod->arch.plt) {
- pr_err("%s: module PLT section missing\n", mod->name);
+ if (!mod->arch.core.plt || !mod->arch.init.plt) {
+ pr_err("%s: module PLT section(s) missing\n", mod->name);
return -ENOEXEC;
}
if (!syms) {
@@ -213,16 +233,29 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
/* sort by type and symbol index */
sort(rels, numrels, sizeof(Elf32_Rel), cmp_rel, NULL);

- plts += count_plts(syms, dstsec->sh_addr, rels, numrels);
+ if (strncmp(secstrings + dstsec->sh_name, ".init", 5) != 0)
+ core_plts += count_plts(syms, dstsec->sh_addr, rels,
+ numrels, s->sh_info);
+ else
+ init_plts += count_plts(syms, dstsec->sh_addr, rels,
+ numrels, s->sh_info);
}

- mod->arch.plt->sh_type = SHT_NOBITS;
- mod->arch.plt->sh_flags = SHF_EXECINSTR | SHF_ALLOC;
- mod->arch.plt->sh_addralign = L1_CACHE_BYTES;
- mod->arch.plt->sh_size = round_up(plts * PLT_ENT_SIZE,
- sizeof(struct plt_entries));
- mod->arch.plt_count = 0;
-
- pr_debug("%s: plt=%x\n", __func__, mod->arch.plt->sh_size);
+ mod->arch.core.plt->sh_type = SHT_NOBITS;
+ mod->arch.core.plt->sh_flags = SHF_EXECINSTR | SHF_ALLOC;
+ mod->arch.core.plt->sh_addralign = L1_CACHE_BYTES;
+ mod->arch.core.plt->sh_size = round_up(core_plts * PLT_ENT_SIZE,
+ sizeof(struct plt_entries));
+ mod->arch.core.plt_count = 0;
+
+ mod->arch.init.plt->sh_type = SHT_NOBITS;
+ mod->arch.init.plt->sh_flags = SHF_EXECINSTR | SHF_ALLOC;
+ mod->arch.init.plt->sh_addralign = L1_CACHE_BYTES;
+ mod->arch.init.plt->sh_size = round_up(init_plts * PLT_ENT_SIZE,
+ sizeof(struct plt_entries));
+ mod->arch.init.plt_count = 0;
+
+ pr_debug("%s: plt=%x, init.plt=%x\n", __func__,
+ mod->arch.core.plt->sh_size, mod->arch.init.plt->sh_size);
return 0;
}
diff --git a/arch/arm/kernel/module.lds b/arch/arm/kernel/module.lds
index 05881e2b414c..eacb5c67f61e 100644
--- a/arch/arm/kernel/module.lds
+++ b/arch/arm/kernel/module.lds
@@ -1,3 +1,4 @@
SECTIONS {
.plt : { BYTE(0) }
+ .init.plt : { BYTE(0) }
}
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index 3e5e4194ef86..c3ed6bd5ddf3 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -93,12 +93,6 @@ int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run)
return 1;
}

-int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run)
-{
- kvm_inject_undefined(vcpu);
- return 1;
-}
-
static void reset_mpidr(struct kvm_vcpu *vcpu, const struct coproc_reg *r)
{
/*
@@ -514,12 +508,7 @@ static int emulate_cp15(struct kvm_vcpu *vcpu,
return 1;
}

-/**
- * kvm_handle_cp15_64 -- handles a mrrc/mcrr trap on a guest CP15 access
- * @vcpu: The VCPU pointer
- * @run: The kvm_run struct
- */
-int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
+static struct coproc_params decode_64bit_hsr(struct kvm_vcpu *vcpu)
{
struct coproc_params params;

@@ -533,9 +522,38 @@ int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
params.Rt2 = (kvm_vcpu_get_hsr(vcpu) >> 10) & 0xf;
params.CRm = 0;

+ return params;
+}
+
+/**
+ * kvm_handle_cp15_64 -- handles a mrrc/mcrr trap on a guest CP15 access
+ * @vcpu: The VCPU pointer
+ * @run: The kvm_run struct
+ */
+int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ struct coproc_params params = decode_64bit_hsr(vcpu);
+
return emulate_cp15(vcpu, &params);
}

+/**
+ * kvm_handle_cp14_64 -- handles a mrrc/mcrr trap on a guest CP14 access
+ * @vcpu: The VCPU pointer
+ * @run: The kvm_run struct
+ */
+int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ struct coproc_params params = decode_64bit_hsr(vcpu);
+
+ /* raz_wi cp14 */
+ pm_fake(vcpu, &params, NULL);
+
+ /* handled */
+ kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ return 1;
+}
+
static void reset_coproc_regs(struct kvm_vcpu *vcpu,
const struct coproc_reg *table, size_t num)
{
@@ -546,12 +564,7 @@ static void reset_coproc_regs(struct kvm_vcpu *vcpu,
table[i].reset(vcpu, &table[i]);
}

-/**
- * kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access
- * @vcpu: The VCPU pointer
- * @run: The kvm_run struct
- */
-int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
+static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu)
{
struct coproc_params params;

@@ -565,9 +578,37 @@ int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
params.Op2 = (kvm_vcpu_get_hsr(vcpu) >> 17) & 0x7;
params.Rt2 = 0;

+ return params;
+}
+
+/**
+ * kvm_handle_cp15_32 -- handles a mrc/mcr trap on a guest CP15 access
+ * @vcpu: The VCPU pointer
+ * @run: The kvm_run struct
+ */
+int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ struct coproc_params params = decode_32bit_hsr(vcpu);
return emulate_cp15(vcpu, &params);
}

+/**
+ * kvm_handle_cp14_32 -- handles a mrc/mcr trap on a guest CP14 access
+ * @vcpu: The VCPU pointer
+ * @run: The kvm_run struct
+ */
+int kvm_handle_cp14_32(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ struct coproc_params params = decode_32bit_hsr(vcpu);
+
+ /* raz_wi cp14 */
+ pm_fake(vcpu, &params, NULL);
+
+ /* handled */
+ kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+ return 1;
+}
+
/******************************************************************************
* Userspace API
*****************************************************************************/
diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c
index 4e40d1955e35..066b6d4508ce 100644
--- a/arch/arm/kvm/handle_exit.c
+++ b/arch/arm/kvm/handle_exit.c
@@ -83,9 +83,9 @@ static exit_handle_fn arm_exit_handlers[] = {
[HSR_EC_WFI] = kvm_handle_wfx,
[HSR_EC_CP15_32] = kvm_handle_cp15_32,
[HSR_EC_CP15_64] = kvm_handle_cp15_64,
- [HSR_EC_CP14_MR] = kvm_handle_cp14_access,
+ [HSR_EC_CP14_MR] = kvm_handle_cp14_32,
[HSR_EC_CP14_LS] = kvm_handle_cp14_load_store,
- [HSR_EC_CP14_64] = kvm_handle_cp14_access,
+ [HSR_EC_CP14_64] = kvm_handle_cp14_64,
[HSR_EC_CP_0_13] = kvm_handle_cp_0_13_access,
[HSR_EC_CP10_ID] = kvm_handle_cp10_id,
[HSR_EC_HVC] = handle_hvc,
diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile
index 3023bb530edf..8679405b0b2b 100644
--- a/arch/arm/kvm/hyp/Makefile
+++ b/arch/arm/kvm/hyp/Makefile
@@ -2,6 +2,8 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#

+ccflags-y += -fno-stack-protector
+
KVM=../../../../virt/kvm

obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
diff --git a/arch/arm/kvm/hyp/switch.c b/arch/arm/kvm/hyp/switch.c
index 92678b7bd046..624a510d31df 100644
--- a/arch/arm/kvm/hyp/switch.c
+++ b/arch/arm/kvm/hyp/switch.c
@@ -48,7 +48,9 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu, u32 *fpexc_host)
write_sysreg(HSTR_T(15), HSTR);
write_sysreg(HCPTR_TTA | HCPTR_TCP(10) | HCPTR_TCP(11), HCPTR);
val = read_sysreg(HDCR);
- write_sysreg(val | HDCR_TPM | HDCR_TPMCR, HDCR);
+ val |= HDCR_TPM | HDCR_TPMCR; /* trap performance monitors */
+ val |= HDCR_TDRA | HDCR_TDOSA | HDCR_TDA; /* trap debug regs */
+ write_sysreg(val, HDCR);
}

static void __hyp_text __deactivate_traps(struct kvm_vcpu *vcpu)
diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S
index 8dea61640cc1..50497778c2e5 100644
--- a/arch/arm/mm/proc-v7m.S
+++ b/arch/arm/mm/proc-v7m.S
@@ -147,10 +147,10 @@ __v7m_setup_cont:

@ Configure caches (if implemented)
teq r8, #0
- stmneia r12, {r0-r6, lr} @ v7m_invalidate_l1 touches r0-r6
+ stmneia sp, {r0-r6, lr} @ v7m_invalidate_l1 touches r0-r6
blne v7m_invalidate_l1
teq r8, #0 @ re-evalutae condition
- ldmneia r12, {r0-r6, lr}
+ ldmneia sp, {r0-r6, lr}

@ Configure the System Control Register to ensure 8-byte stack alignment
@ Note the STKALIGN bit is either RW or RAO.
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index 17839db585d5..509a2eda2ce4 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
@@ -772,6 +772,7 @@
clocks = <&sys_ctrl 2>, <&sys_ctrl 1>;
clock-names = "ciu", "biu";
resets = <&sys_ctrl PERIPH_RSTDIS0_MMC0>;
+ reset-names = "reset";
bus-width = <0x8>;
vmmc-supply = <&ldo19>;
pinctrl-names = "default";
@@ -795,6 +796,7 @@
clocks = <&sys_ctrl 4>, <&sys_ctrl 3>;
clock-names = "ciu", "biu";
resets = <&sys_ctrl PERIPH_RSTDIS0_MMC1>;
+ reset-names = "reset";
vqmmc-supply = <&ldo7>;
vmmc-supply = <&ldo10>;
bus-width = <0x4>;
@@ -813,6 +815,7 @@
clocks = <&sys_ctrl HI6220_MMC2_CIUCLK>, <&sys_ctrl HI6220_MMC2_CLK>;
clock-names = "ciu", "biu";
resets = <&sys_ctrl PERIPH_RSTDIS0_MMC2>;
+ reset-names = "reset";
bus-width = <0x4>;
broken-cd;
pinctrl-names = "default", "idle";
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 4e0497f581a0..0fe7e43b7fbc 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -42,25 +42,35 @@
#define __smp_rmb() dmb(ishld)
#define __smp_wmb() dmb(ishst)

-#define __smp_store_release(p, v) \
+#define __smp_store_release(p, v) \
do { \
+ union { typeof(*p) __val; char __c[1]; } __u = \
+ { .__val = (__force typeof(*p)) (v) }; \
compiletime_assert_atomic_type(*p); \
switch (sizeof(*p)) { \
case 1: \
asm volatile ("stlrb %w1, %0" \
- : "=Q" (*p) : "r" (v) : "memory"); \
+ : "=Q" (*p) \
+ : "r" (*(__u8 *)__u.__c) \
+ : "memory"); \
break; \
case 2: \
asm volatile ("stlrh %w1, %0" \
- : "=Q" (*p) : "r" (v) : "memory"); \
+ : "=Q" (*p) \
+ : "r" (*(__u16 *)__u.__c) \
+ : "memory"); \
break; \
case 4: \
asm volatile ("stlr %w1, %0" \
- : "=Q" (*p) : "r" (v) : "memory"); \
+ : "=Q" (*p) \
+ : "r" (*(__u32 *)__u.__c) \
+ : "memory"); \
break; \
case 8: \
asm volatile ("stlr %1, %0" \
- : "=Q" (*p) : "r" (v) : "memory"); \
+ : "=Q" (*p) \
+ : "r" (*(__u64 *)__u.__c) \
+ : "memory"); \
break; \
} \
} while (0)
diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 91b26d26af8a..ae852add053d 100644
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -46,7 +46,7 @@ static inline unsigned long __xchg_case_##name(unsigned long x, \
" swp" #acq_lse #rel #sz "\t%" #w "3, %" #w "0, %2\n" \
__nops(3) \
" " #nop_lse) \
- : "=&r" (ret), "=&r" (tmp), "+Q" (*(u8 *)ptr) \
+ : "=&r" (ret), "=&r" (tmp), "+Q" (*(unsigned long *)ptr) \
: "r" (x) \
: cl); \
\
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 55d0adbf6509..14cca10aeb4e 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -93,11 +93,12 @@ static inline void set_fs(mm_segment_t fs)
*/
#define __range_ok(addr, size) \
({ \
+ unsigned long __addr = (unsigned long __force)(addr); \
unsigned long flag, roksum; \
__chk_user_ptr(addr); \
asm("adds %1, %1, %3; ccmp %1, %4, #2, cc; cset %0, ls" \
: "=&r" (flag), "=&r" (roksum) \
- : "1" (addr), "Ir" (size), \
+ : "1" (__addr), "Ir" (size), \
"r" (current_thread_info()->addr_limit) \
: "cc"); \
flag; \
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index b0988bb1bf64..c0ede237c14b 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -309,7 +309,8 @@ static void __init register_insn_emulation_sysctl(struct ctl_table *table)
ALTERNATIVE("nop", SET_PSTATE_PAN(1), ARM64_HAS_PAN, \
CONFIG_ARM64_PAN) \
: "=&r" (res), "+r" (data), "=&r" (temp), "=&r" (temp2) \
- : "r" (addr), "i" (-EAGAIN), "i" (-EFAULT), \
+ : "r" ((unsigned long)addr), "i" (-EAGAIN), \
+ "i" (-EFAULT), \
"i" (__SWP_LL_SC_LOOPS) \
: "memory")

diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index aaf42ae8d8c3..14c4e3b14bcb 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -2,6 +2,8 @@
# Makefile for Kernel-based Virtual Machine module, HYP part
#

+ccflags-y += -fno-stack-protector
+
KVM=../../../../virt/kvm

obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h
index 07238b39638c..3db381205928 100644
--- a/arch/metag/include/asm/uaccess.h
+++ b/arch/metag/include/asm/uaccess.h
@@ -28,24 +28,32 @@

#define segment_eq(a, b) ((a).seg == (b).seg)

-#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
-/*
- * Explicitly allow NULL pointers here. Parts of the kernel such
- * as readv/writev use access_ok to validate pointers, but want
- * to allow NULL pointers for various reasons. NULL pointers are
- * safe to allow through because the first page is not mappable on
- * Meta.
- *
- * We also wish to avoid letting user code access the system area
- * and the kernel half of the address space.
- */
-#define __user_bad(addr, size) (((addr) > 0 && (addr) < META_MEMORY_BASE) || \
- ((addr) > PAGE_OFFSET && \
- (addr) < LINCORE_BASE))
-
static inline int __access_ok(unsigned long addr, unsigned long size)
{
- return __kernel_ok || !__user_bad(addr, size);
+ /*
+ * Allow access to the user mapped memory area, but not the system area
+ * before it. The check extends to the top of the address space when
+ * kernel access is allowed (there's no real reason to user copy to the
+ * system area in any case).
+ */
+ if (likely(addr >= META_MEMORY_BASE && addr < get_fs().seg &&
+ size <= get_fs().seg - addr))
+ return true;
+ /*
+ * Explicitly allow NULL pointers here. Parts of the kernel such
+ * as readv/writev use access_ok to validate pointers, but want
+ * to allow NULL pointers for various reasons. NULL pointers are
+ * safe to allow through because the first page is not mappable on
+ * Meta.
+ */
+ if (!addr)
+ return true;
+ /* Allow access to core code memory area... */
+ if (addr >= LINCORE_CODE_BASE && addr <= LINCORE_CODE_LIMIT &&
+ size <= LINCORE_CODE_LIMIT + 1 - addr)
+ return true;
+ /* ... but no other areas. */
+ return false;
}

#define access_ok(type, addr, size) __access_ok((unsigned long)(addr), \
@@ -186,8 +194,13 @@ do { \
extern long __must_check __strncpy_from_user(char *dst, const char __user *src,
long count);

-#define strncpy_from_user(dst, src, count) __strncpy_from_user(dst, src, count)
-
+static inline long
+strncpy_from_user(char *dst, const char __user *src, long count)
+{
+ if (!access_ok(VERIFY_READ, src, 1))
+ return -EFAULT;
+ return __strncpy_from_user(dst, src, count);
+}
/*
* Return the size of a string (including the ending 0)
*
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 5a4f2eb9d0d5..5e844f68e847 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1368,6 +1368,7 @@ config CPU_LOONGSON3
select WEAK_ORDERING
select WEAK_REORDERING_BEYOND_LLSC
select MIPS_PGD_C0_CONTEXT
+ select MIPS_L1_CACHE_SHIFT_6
select GPIOLIB
help
The Loongson 3 processor implements the MIPS64R2 instruction
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index b9e3f0aca261..0012f0353fd6 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -70,8 +70,9 @@ extern void drop_cop(unsigned long acop, struct mm_struct *mm);
* switch_mm is the entry point called from the architecture independent
* code in kernel/sched/core.c
*/
-static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
- struct task_struct *tsk)
+static inline void switch_mm_irqs_off(struct mm_struct *prev,
+ struct mm_struct *next,
+ struct task_struct *tsk)
{
/* Mark this context has been used on the new CPU */
if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(next)))
@@ -110,6 +111,18 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
switch_mmu_context(prev, next, tsk);
}

+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ switch_mm_irqs_off(prev, next, tsk);
+ local_irq_restore(flags);
+}
+#define switch_mm_irqs_off switch_mm_irqs_off
+
+
#define deactivate_mm(tsk,mm) do { } while (0)

/*
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index a5dd493670a0..6ef8f0bceacd 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -724,7 +724,7 @@ static int eeh_reset_device(struct eeh_pe *pe, struct pci_bus *bus,
*/
#define MAX_WAIT_FOR_RECOVERY 300

-static void eeh_handle_normal_event(struct eeh_pe *pe)
+static bool eeh_handle_normal_event(struct eeh_pe *pe)
{
struct pci_bus *frozen_bus;
struct eeh_dev *edev, *tmp;
@@ -736,7 +736,7 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
if (!frozen_bus) {
pr_err("%s: Cannot find PCI bus for PHB#%d-PE#%x\n",
__func__, pe->phb->global_number, pe->addr);
- return;
+ return false;
}

eeh_pe_update_time_stamp(pe);
@@ -870,7 +870,7 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
pr_info("EEH: Notify device driver to resume\n");
eeh_pe_dev_traverse(pe, eeh_report_resume, NULL);

- return;
+ return false;

excess_failures:
/*
@@ -915,8 +915,12 @@ static void eeh_handle_normal_event(struct eeh_pe *pe)
pci_lock_rescan_remove();
pci_hp_remove_devices(frozen_bus);
pci_unlock_rescan_remove();
+
+ /* The passed PE should no longer be used */
+ return true;
}
}
+ return false;
}

static void eeh_handle_special_event(void)
@@ -982,7 +986,14 @@ static void eeh_handle_special_event(void)
*/
if (rc == EEH_NEXT_ERR_FROZEN_PE ||
rc == EEH_NEXT_ERR_FENCED_PHB) {
- eeh_handle_normal_event(pe);
+ /*
+ * eeh_handle_normal_event() can make the PE stale if it
+ * determines that the PE cannot possibly be recovered.
+ * Don't modify the PE state if that's the case.
+ */
+ if (eeh_handle_normal_event(pe))
+ continue;
+
eeh_pe_state_clear(pe, EEH_PE_RECOVERING);
} else {
pci_lock_rescan_remove();
diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 38a1f96430e1..ca03eb229a9a 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -735,8 +735,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
andis. r15,r14,(DBSR_IC|DBSR_BT)@h
beq+ 1f

+#ifdef CONFIG_RELOCATABLE
+ ld r15,PACATOC(r13)
+ ld r14,interrupt_base_book3e@got(r15)
+ ld r15,__end_interrupts@got(r15)
+#else
LOAD_REG_IMMEDIATE(r14,interrupt_base_book3e)
LOAD_REG_IMMEDIATE(r15,__end_interrupts)
+#endif
cmpld cr0,r10,r14
cmpld cr1,r10,r15
blt+ cr0,1f
@@ -799,8 +805,14 @@ kernel_dbg_exc:
andis. r15,r14,(DBSR_IC|DBSR_BT)@h
beq+ 1f

+#ifdef CONFIG_RELOCATABLE
+ ld r15,PACATOC(r13)
+ ld r14,interrupt_base_book3e@got(r15)
+ ld r15,__end_interrupts@got(r15)
+#else
LOAD_REG_IMMEDIATE(r14,interrupt_base_book3e)
LOAD_REG_IMMEDIATE(r15,__end_interrupts)
+#endif
cmpld cr0,r10,r14
cmpld cr1,r10,r15
blt+ cr0,1f
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index 5e7ece0fda9f..ea236bfd841f 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -205,6 +205,8 @@ static void machine_check_process_queued_event(struct irq_work *work)
{
int index;

+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
+
/*
* For now just print it to console.
* TODO: log this error event to FSP or nvram.
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 49a680d5ae37..c7164739dc75 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -839,6 +839,25 @@ static void tm_reclaim_thread(struct thread_struct *thr,
if (!MSR_TM_SUSPENDED(mfmsr()))
return;

+ /*
+ * If we are in a transaction and FP is off then we can't have
+ * used FP inside that transaction. Hence the checkpointed
+ * state is the same as the live state. We need to copy the
+ * live state to the checkpointed state so that when the
+ * transaction is restored, the checkpointed state is correct
+ * and the aborted transaction sees the correct state. We use
+ * ckpt_regs.msr here as that's what tm_reclaim will use to
+ * determine if it's going to write the checkpointed state or
+ * not. So either this will write the checkpointed registers,
+ * or reclaim will. Similarly for VMX.
+ */
+ if ((thr->ckpt_regs.msr & MSR_FP) == 0)
+ memcpy(&thr->ckfp_state, &thr->fp_state,
+ sizeof(struct thread_fp_state));
+ if ((thr->ckpt_regs.msr & MSR_VEC) == 0)
+ memcpy(&thr->ckvr_state, &thr->vr_state,
+ sizeof(struct thread_vr_state));
+
giveup_all(container_of(thr, struct task_struct, thread));

tm_reclaim(thr, thr->ckpt_regs.msr, cause);
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 023a462725b5..43021f8e47a6 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -302,8 +302,6 @@ long machine_check_early(struct pt_regs *regs)

__this_cpu_inc(irq_stat.mce_exceptions);

- add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
-
if (cur_cpu_spec && cur_cpu_spec->machine_check_early)
handled = cur_cpu_spec->machine_check_early(regs);
return handled;
@@ -737,6 +735,8 @@ void machine_check_exception(struct pt_regs *regs)

__this_cpu_inc(irq_stat.mce_exceptions);

+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
+
/* See if any machine dependent calls. In theory, we would want
* to call the CPU first, and call the ppc_md. one if the CPU
* one returns a positive number. However there is existing code
diff --git a/arch/powerpc/mm/mmu_context_iommu.c b/arch/powerpc/mm/mmu_context_iommu.c
index 7de7124ac91b..fd596808ac24 100644
--- a/arch/powerpc/mm/mmu_context_iommu.c
+++ b/arch/powerpc/mm/mmu_context_iommu.c
@@ -81,7 +81,7 @@ struct page *new_iommu_non_cma_page(struct page *page, unsigned long private,
gfp_t gfp_mask = GFP_USER;
struct page *new_page;

- if (PageHuge(page) || PageTransHuge(page) || PageCompound(page))
+ if (PageCompound(page))
return NULL;

if (PageHighMem(page))
@@ -100,7 +100,7 @@ static int mm_iommu_move_page_from_cma(struct page *page)
LIST_HEAD(cma_migrate_pages);

/* Ignore huge pages for now */
- if (PageHuge(page) || PageTransHuge(page) || PageCompound(page))
+ if (PageCompound(page))
return -EBUSY;

lru_add_drain();
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 423e450efe07..72ae2cdbcd6a 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -288,7 +288,6 @@ int dlpar_detach_node(struct device_node *dn)
if (rc)
return rc;

- of_node_put(dn); /* Must decrement the refcount */
return 0;
}

diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 408b4f4fda0f..598254461fb7 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -427,6 +427,20 @@ static void *nt_vmcoreinfo(void *ptr)
}

/*
+ * Initialize final note (needed for /proc/vmcore code)
+ */
+static void *nt_final(void *ptr)
+{
+ Elf64_Nhdr *note;
+
+ note = (Elf64_Nhdr *) ptr;
+ note->n_namesz = 0;
+ note->n_descsz = 0;
+ note->n_type = 0;
+ return PTR_ADD(ptr, sizeof(Elf64_Nhdr));
+}
+
+/*
* Initialize ELF header (new kernel)
*/
static void *ehdr_init(Elf64_Ehdr *ehdr, int mem_chunk_cnt)
@@ -513,6 +527,7 @@ static void *notes_init(Elf64_Phdr *phdr, void *ptr, u64 notes_offset)
if (sa->prefix != 0)
ptr = fill_cpu_elf_notes(ptr, cpu++, sa);
ptr = nt_vmcoreinfo(ptr);
+ ptr = nt_final(ptr);
memset(phdr, 0, sizeof(*phdr));
phdr->p_type = PT_NOTE;
phdr->p_offset = notes_offset;
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 49a30737adde..c43816886839 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -321,6 +321,7 @@ ENTRY(system_call)
lg %r14,__LC_VDSO_PER_CPU
lmg %r0,%r10,__PT_R0(%r11)
mvc __LC_RETURN_PSW(16),__PT_PSW(%r11)
+.Lsysc_exit_timer:
stpt __LC_EXIT_TIMER
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
lmg %r11,%r15,__PT_R11(%r11)
@@ -606,6 +607,7 @@ ENTRY(io_int_handler)
lg %r14,__LC_VDSO_PER_CPU
lmg %r0,%r10,__PT_R0(%r11)
mvc __LC_RETURN_PSW(16),__PT_PSW(%r11)
+.Lio_exit_timer:
stpt __LC_EXIT_TIMER
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
lmg %r11,%r15,__PT_R11(%r11)
@@ -1135,15 +1137,23 @@ cleanup_critical:
br %r14

.Lcleanup_sysc_restore:
+ # check if stpt has been executed
clg %r9,BASED(.Lcleanup_sysc_restore_insn)
+ jh 0f
+ mvc __LC_EXIT_TIMER(8),__LC_ASYNC_ENTER_TIMER
+ cghi %r11,__LC_SAVE_AREA_ASYNC
je 0f
+ mvc __LC_EXIT_TIMER(8),__LC_MCCK_ENTER_TIMER
+0: clg %r9,BASED(.Lcleanup_sysc_restore_insn+8)
+ je 1f
lg %r9,24(%r11) # get saved pointer to pt_regs
mvc __LC_RETURN_PSW(16),__PT_PSW(%r9)
mvc 0(64,%r11),__PT_R8(%r9)
lmg %r0,%r7,__PT_R0(%r9)
-0: lmg %r8,%r9,__LC_RETURN_PSW
+1: lmg %r8,%r9,__LC_RETURN_PSW
br %r14
.Lcleanup_sysc_restore_insn:
+ .quad .Lsysc_exit_timer
.quad .Lsysc_done - 4

.Lcleanup_io_tif:
@@ -1151,15 +1161,20 @@ cleanup_critical:
br %r14

.Lcleanup_io_restore:
+ # check if stpt has been executed
clg %r9,BASED(.Lcleanup_io_restore_insn)
- je 0f
+ jh 0f
+ mvc __LC_EXIT_TIMER(8),__LC_MCCK_ENTER_TIMER
+0: clg %r9,BASED(.Lcleanup_io_restore_insn+8)
+ je 1f
lg %r9,24(%r11) # get saved r11 pointer to pt_regs
mvc __LC_RETURN_PSW(16),__PT_PSW(%r9)
mvc 0(64,%r11),__PT_R8(%r9)
lmg %r0,%r7,__PT_R0(%r9)
-0: lmg %r8,%r9,__LC_RETURN_PSW
+1: lmg %r8,%r9,__LC_RETURN_PSW
br %r14
.Lcleanup_io_restore_insn:
+ .quad .Lio_exit_timer
.quad .Lio_done - 4

.Lcleanup_idle:
diff --git a/arch/um/kernel/initrd.c b/arch/um/kernel/initrd.c
index 48bae81f8dca..6f6e7896e53f 100644
--- a/arch/um/kernel/initrd.c
+++ b/arch/um/kernel/initrd.c
@@ -14,7 +14,7 @@
static char *initrd __initdata = NULL;
static int load_initrd(char *filename, void *buf, int size);

-static int __init read_initrd(void)
+int __init read_initrd(void)
{
void *area;
long long size;
@@ -46,8 +46,6 @@ static int __init read_initrd(void)
return 0;
}

-__uml_postsetup(read_initrd);
-
static int __init uml_initrd_setup(char *line, int *add)
{
initrd = line;
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index e8175a8aa22c..26b47deca2a0 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -336,11 +336,17 @@ int __init linux_main(int argc, char **argv)
return start_uml();
}

+int __init __weak read_initrd(void)
+{
+ return 0;
+}
+
void __init setup_arch(char **cmdline_p)
{
stack_protections((unsigned long) &init_thread_info);
setup_physmem(uml_physmem, uml_reserved, physmem_size, highmem);
mem_total_pages(physmem_size, iomem_size, highmem);
+ read_initrd();

paging_init();
strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index faf3687f1035..a300aa10ebc5 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -315,10 +315,10 @@ do { \
#define __get_user_asm_u64(x, ptr, retval, errret) \
({ \
__typeof__(ptr) __ptr = (ptr); \
- asm volatile(ASM_STAC "\n" \
+ asm volatile("\n" \
"1: movl %2,%%eax\n" \
"2: movl %3,%%edx\n" \
- "3: " ASM_CLAC "\n" \
+ "3:\n" \
".section .fixup,\"ax\"\n" \
"4: mov %4,%0\n" \
" xorl %%eax,%%eax\n" \
@@ -327,7 +327,7 @@ do { \
".previous\n" \
_ASM_EXTABLE(1b, 4b) \
_ASM_EXTABLE(2b, 4b) \
- : "=r" (retval), "=A"(x) \
+ : "=r" (retval), "=&A"(x) \
: "m" (__m(__ptr)), "m" __m(((u32 *)(__ptr)) + 1), \
"i" (errret), "0" (retval)); \
})
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 2f2b8c7ccb85..6f0ab305dd5e 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -101,6 +101,7 @@ static void fpu__init_system_early_generic(struct cpuinfo_x86 *c)
* Boot time FPU feature detection code:
*/
unsigned int mxcsr_feature_mask __read_mostly = 0xffffffffu;
+EXPORT_SYMBOL_GPL(mxcsr_feature_mask);

static void __init fpu__init_system_mxcsr(void)
{
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 43c152853969..81bba3c2137d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1735,6 +1735,7 @@ static u64 __get_kvmclock_ns(struct kvm *kvm)
{
struct kvm_arch *ka = &kvm->arch;
struct pvclock_vcpu_time_info hv_clock;
+ u64 ret;

spin_lock(&ka->pvclock_gtod_sync_lock);
if (!ka->use_master_clock) {
@@ -1746,10 +1747,17 @@ static u64 __get_kvmclock_ns(struct kvm *kvm)
hv_clock.system_time = ka->master_kernel_ns + ka->kvmclock_offset;
spin_unlock(&ka->pvclock_gtod_sync_lock);

+ /* both __this_cpu_read() and rdtsc() should be on the same cpu */
+ get_cpu();
+
kvm_get_time_scale(NSEC_PER_SEC, __this_cpu_read(cpu_tsc_khz) * 1000LL,
&hv_clock.tsc_shift,
&hv_clock.tsc_to_system_mul);
- return __pvclock_read_cycles(&hv_clock, rdtsc());
+ ret = __pvclock_read_cycles(&hv_clock, rdtsc());
+
+ put_cpu();
+
+ return ret;
}

u64 get_kvmclock_ns(struct kvm *kvm)
@@ -3231,11 +3239,14 @@ static void kvm_vcpu_ioctl_x86_get_xsave(struct kvm_vcpu *vcpu,
}
}

+#define XSAVE_MXCSR_OFFSET 24
+
static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu,
struct kvm_xsave *guest_xsave)
{
u64 xstate_bv =
*(u64 *)&guest_xsave->region[XSAVE_HDR_OFFSET / sizeof(u32)];
+ u32 mxcsr = *(u32 *)&guest_xsave->region[XSAVE_MXCSR_OFFSET / sizeof(u32)];

if (boot_cpu_has(X86_FEATURE_XSAVE)) {
/*
@@ -3243,11 +3254,13 @@ static int kvm_vcpu_ioctl_x86_set_xsave(struct kvm_vcpu *vcpu,
* CPUID leaf 0xD, index 0, EDX:EAX. This is for compatibility
* with old userspace.
*/
- if (xstate_bv & ~kvm_supported_xcr0())
+ if (xstate_bv & ~kvm_supported_xcr0() ||
+ mxcsr & ~mxcsr_feature_mask)
return -EINVAL;
load_xsave(vcpu, (u8 *)guest_xsave->region);
} else {
- if (xstate_bv & ~XFEATURE_MASK_FPSSE)
+ if (xstate_bv & ~XFEATURE_MASK_FPSSE ||
+ mxcsr & ~mxcsr_feature_mask)
return -EINVAL;
memcpy(&vcpu->arch.guest_fpu.state.fxsave,
guest_xsave->region, sizeof(struct fxregs_state));
@@ -4750,16 +4763,20 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt,

static int kernel_pio(struct kvm_vcpu *vcpu, void *pd)
{
- /* TODO: String I/O for in kernel device */
- int r;
+ int r = 0, i;

- if (vcpu->arch.pio.in)
- r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port,
- vcpu->arch.pio.size, pd);
- else
- r = kvm_io_bus_write(vcpu, KVM_PIO_BUS,
- vcpu->arch.pio.port, vcpu->arch.pio.size,
- pd);
+ for (i = 0; i < vcpu->arch.pio.count; i++) {
+ if (vcpu->arch.pio.in)
+ r = kvm_io_bus_read(vcpu, KVM_PIO_BUS, vcpu->arch.pio.port,
+ vcpu->arch.pio.size, pd);
+ else
+ r = kvm_io_bus_write(vcpu, KVM_PIO_BUS,
+ vcpu->arch.pio.port, vcpu->arch.pio.size,
+ pd);
+ if (r)
+ break;
+ pd += vcpu->arch.pio.size;
+ }
return r;
}

@@ -4797,6 +4814,8 @@ static int emulator_pio_in_emulated(struct x86_emulate_ctxt *ctxt,
if (vcpu->arch.pio.count)
goto data_avail;

+ memset(vcpu->arch.pio_data, 0, size * count);
+
ret = emulator_pio_in_out(vcpu, size, port, val, count, true);
if (ret) {
data_avail:
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index c4094c4e22c1..34ef474a3923 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -859,7 +859,11 @@ static int __init lp_setup (char *str)
} else if (!strcmp(str, "auto")) {
parport_nr[0] = LP_PARPORT_AUTO;
} else if (!strcmp(str, "none")) {
- parport_nr[parport_ptr++] = LP_PARPORT_NONE;
+ if (parport_ptr < LP_NO)
+ parport_nr[parport_ptr++] = LP_PARPORT_NONE;
+ else
+ printk(KERN_INFO "lp: too many ports, %s ignored.\n",
+ str);
} else if (!strcmp(str, "reset")) {
reset = 1;
}
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 7e4a9d1296bb..6e0cbe092220 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -340,6 +340,11 @@ static const struct vm_operations_struct mmap_mem_ops = {
static int mmap_mem(struct file *file, struct vm_area_struct *vma)
{
size_t size = vma->vm_end - vma->vm_start;
+ phys_addr_t offset = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT;
+
+ /* It's illegal to wrap around the end of the physical address space. */
+ if (offset + (phys_addr_t)size < offset)
+ return -EINVAL;

if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size))
return -EINVAL;
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index a7c870af916c..fa0f66809503 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -111,8 +111,7 @@ static int crb_recv(struct tpm_chip *chip, u8 *buf, size_t count)

memcpy_fromio(buf, priv->rsp, 6);
expected = be32_to_cpup((__be32 *) &buf[2]);
-
- if (expected > count)
+ if (expected > count || expected < 6)
return -EIO;

memcpy_fromio(&buf[6], &priv->rsp[6], expected - 6);
diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c
index e3a9155ee671..c6428771841f 100644
--- a/drivers/char/tpm/tpm_i2c_nuvoton.c
+++ b/drivers/char/tpm/tpm_i2c_nuvoton.c
@@ -49,9 +49,10 @@
*/
#define TPM_I2C_MAX_BUF_SIZE 32
#define TPM_I2C_RETRY_COUNT 32
-#define TPM_I2C_BUS_DELAY 1 /* msec */
-#define TPM_I2C_RETRY_DELAY_SHORT 2 /* msec */
-#define TPM_I2C_RETRY_DELAY_LONG 10 /* msec */
+#define TPM_I2C_BUS_DELAY 1000 /* usec */
+#define TPM_I2C_RETRY_DELAY_SHORT (2 * 1000) /* usec */
+#define TPM_I2C_RETRY_DELAY_LONG (10 * 1000) /* usec */
+#define TPM_I2C_DELAY_RANGE 300 /* usec */

#define OF_IS_TPM2 ((void *)1)
#define I2C_IS_TPM2 1
@@ -123,7 +124,9 @@ static s32 i2c_nuvoton_write_status(struct i2c_client *client, u8 data)
/* this causes the current command to be aborted */
for (i = 0, status = -1; i < TPM_I2C_RETRY_COUNT && status < 0; i++) {
status = i2c_nuvoton_write_buf(client, TPM_STS, 1, &data);
- msleep(TPM_I2C_BUS_DELAY);
+ if (status < 0)
+ usleep_range(TPM_I2C_BUS_DELAY, TPM_I2C_BUS_DELAY
+ + TPM_I2C_DELAY_RANGE);
}
return status;
}
@@ -160,7 +163,8 @@ static int i2c_nuvoton_get_burstcount(struct i2c_client *client,
burst_count = min_t(u8, TPM_I2C_MAX_BUF_SIZE, data);
break;
}
- msleep(TPM_I2C_BUS_DELAY);
+ usleep_range(TPM_I2C_BUS_DELAY, TPM_I2C_BUS_DELAY
+ + TPM_I2C_DELAY_RANGE);
} while (time_before(jiffies, stop));

return burst_count;
@@ -203,13 +207,17 @@ static int i2c_nuvoton_wait_for_stat(struct tpm_chip *chip, u8 mask, u8 value,
return 0;

/* use polling to wait for the event */
- ten_msec = jiffies + msecs_to_jiffies(TPM_I2C_RETRY_DELAY_LONG);
+ ten_msec = jiffies + usecs_to_jiffies(TPM_I2C_RETRY_DELAY_LONG);
stop = jiffies + timeout;
do {
if (time_before(jiffies, ten_msec))
- msleep(TPM_I2C_RETRY_DELAY_SHORT);
+ usleep_range(TPM_I2C_RETRY_DELAY_SHORT,
+ TPM_I2C_RETRY_DELAY_SHORT
+ + TPM_I2C_DELAY_RANGE);
else
- msleep(TPM_I2C_RETRY_DELAY_LONG);
+ usleep_range(TPM_I2C_RETRY_DELAY_LONG,
+ TPM_I2C_RETRY_DELAY_LONG
+ + TPM_I2C_DELAY_RANGE);
status_valid = i2c_nuvoton_check_status(chip, mask,
value);
if (status_valid)
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index a1ce0607bf7b..4d24ec3d7cd6 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -160,8 +160,10 @@ static int get_burstcount(struct tpm_chip *chip)
u32 value;

/* wait for burstcount */
- /* which timeout value, spec has 2 answers (c & d) */
- stop = jiffies + chip->timeout_d;
+ if (chip->flags & TPM_CHIP_FLAG_TPM2)
+ stop = jiffies + chip->timeout_a;
+ else
+ stop = jiffies + chip->timeout_d;
do {
rc = tpm_tis_read32(priv, TPM_STS(priv->locality), &value);
if (rc < 0)
diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c
index dbaad9c681e3..3b97b14c3417 100644
--- a/drivers/char/tpm/tpm_tis_spi.c
+++ b/drivers/char/tpm/tpm_tis_spi.c
@@ -48,8 +48,8 @@ struct tpm_tis_spi_phy {
struct tpm_tis_data priv;
struct spi_device *spi_device;

- u8 tx_buf[MAX_SPI_FRAMESIZE + 4];
- u8 rx_buf[MAX_SPI_FRAMESIZE + 4];
+ u8 tx_buf[4];
+ u8 rx_buf[4];
};

static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *data)
@@ -57,122 +57,98 @@ static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *da
return container_of(data, struct tpm_tis_spi_phy, priv);
}

-static int tpm_tis_spi_read_bytes(struct tpm_tis_data *data, u32 addr,
- u16 len, u8 *result)
+static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len,
+ u8 *buffer, u8 direction)
{
struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data);
- int ret, i;
+ int ret = 0;
+ int i;
struct spi_message m;
- struct spi_transfer spi_xfer = {
- .tx_buf = phy->tx_buf,
- .rx_buf = phy->rx_buf,
- .len = 4,
- };
+ struct spi_transfer spi_xfer;
+ u8 transfer_len;

- if (len > MAX_SPI_FRAMESIZE)
- return -ENOMEM;
+ spi_bus_lock(phy->spi_device->master);

- phy->tx_buf[0] = 0x80 | (len - 1);
- phy->tx_buf[1] = 0xd4;
- phy->tx_buf[2] = (addr >> 8) & 0xFF;
- phy->tx_buf[3] = addr & 0xFF;
+ while (len) {
+ transfer_len = min_t(u16, len, MAX_SPI_FRAMESIZE);

- spi_xfer.cs_change = 1;
- spi_message_init(&m);
- spi_message_add_tail(&spi_xfer, &m);
+ phy->tx_buf[0] = direction | (transfer_len - 1);
+ phy->tx_buf[1] = 0xd4;
+ phy->tx_buf[2] = addr >> 8;
+ phy->tx_buf[3] = addr;
+
+ memset(&spi_xfer, 0, sizeof(spi_xfer));
+ spi_xfer.tx_buf = phy->tx_buf;
+ spi_xfer.rx_buf = phy->rx_buf;
+ spi_xfer.len = 4;
+ spi_xfer.cs_change = 1;

- spi_bus_lock(phy->spi_device->master);
- ret = spi_sync_locked(phy->spi_device, &m);
- if (ret < 0)
- goto exit;
-
- memset(phy->tx_buf, 0, len);
-
- /* According to TCG PTP specification, if there is no TPM present at
- * all, then the design has a weak pull-up on MISO. If a TPM is not
- * present, a pull-up on MISO means that the SB controller sees a 1,
- * and will latch in 0xFF on the read.
- */
- for (i = 0; (phy->rx_buf[0] & 0x01) == 0 && i < TPM_RETRY; i++) {
- spi_xfer.len = 1;
spi_message_init(&m);
spi_message_add_tail(&spi_xfer, &m);
ret = spi_sync_locked(phy->spi_device, &m);
if (ret < 0)
goto exit;
- }
-
- spi_xfer.cs_change = 0;
- spi_xfer.len = len;
- spi_xfer.rx_buf = result;
-
- spi_message_init(&m);
- spi_message_add_tail(&spi_xfer, &m);
- ret = spi_sync_locked(phy->spi_device, &m);
-
-exit:
- spi_bus_unlock(phy->spi_device->master);
- return ret;
-}
-
-static int tpm_tis_spi_write_bytes(struct tpm_tis_data *data, u32 addr,
- u16 len, u8 *value)
-{
- struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data);
- int ret, i;
- struct spi_message m;
- struct spi_transfer spi_xfer = {
- .tx_buf = phy->tx_buf,
- .rx_buf = phy->rx_buf,
- .len = 4,
- };
-
- if (len > MAX_SPI_FRAMESIZE)
- return -ENOMEM;
-
- phy->tx_buf[0] = len - 1;
- phy->tx_buf[1] = 0xd4;
- phy->tx_buf[2] = (addr >> 8) & 0xFF;
- phy->tx_buf[3] = addr & 0xFF;

- spi_xfer.cs_change = 1;
- spi_message_init(&m);
- spi_message_add_tail(&spi_xfer, &m);
+ if ((phy->rx_buf[3] & 0x01) == 0) {
+ // handle SPI wait states
+ phy->tx_buf[0] = 0;
+
+ for (i = 0; i < TPM_RETRY; i++) {
+ spi_xfer.len = 1;
+ spi_message_init(&m);
+ spi_message_add_tail(&spi_xfer, &m);
+ ret = spi_sync_locked(phy->spi_device, &m);
+ if (ret < 0)
+ goto exit;
+ if (phy->rx_buf[0] & 0x01)
+ break;
+ }
+
+ if (i == TPM_RETRY) {
+ ret = -ETIMEDOUT;
+ goto exit;
+ }
+ }
+
+ spi_xfer.cs_change = 0;
+ spi_xfer.len = transfer_len;
+ spi_xfer.delay_usecs = 5;
+
+ if (direction) {
+ spi_xfer.tx_buf = NULL;
+ spi_xfer.rx_buf = buffer;
+ } else {
+ spi_xfer.tx_buf = buffer;
+ spi_xfer.rx_buf = NULL;
+ }

- spi_bus_lock(phy->spi_device->master);
- ret = spi_sync_locked(phy->spi_device, &m);
- if (ret < 0)
- goto exit;
-
- memset(phy->tx_buf, 0, len);
-
- /* According to TCG PTP specification, if there is no TPM present at
- * all, then the design has a weak pull-up on MISO. If a TPM is not
- * present, a pull-up on MISO means that the SB controller sees a 1,
- * and will latch in 0xFF on the read.
- */
- for (i = 0; (phy->rx_buf[0] & 0x01) == 0 && i < TPM_RETRY; i++) {
- spi_xfer.len = 1;
spi_message_init(&m);
spi_message_add_tail(&spi_xfer, &m);
ret = spi_sync_locked(phy->spi_device, &m);
if (ret < 0)
goto exit;
- }

- spi_xfer.len = len;
- spi_xfer.tx_buf = value;
- spi_xfer.cs_change = 0;
- spi_xfer.tx_buf = value;
- spi_message_init(&m);
- spi_message_add_tail(&spi_xfer, &m);
- ret = spi_sync_locked(phy->spi_device, &m);
+ len -= transfer_len;
+ buffer += transfer_len;
+ }

exit:
spi_bus_unlock(phy->spi_device->master);
return ret;
}

+static int tpm_tis_spi_read_bytes(struct tpm_tis_data *data, u32 addr,
+ u16 len, u8 *result)
+{
+ return tpm_tis_spi_transfer(data, addr, len, result, 0x80);
+}
+
+static int tpm_tis_spi_write_bytes(struct tpm_tis_data *data, u32 addr,
+ u16 len, u8 *value)
+{
+ return tpm_tis_spi_transfer(data, addr, len, value, 0);
+}
+
static int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result)
{
int rc;
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index b98ede78c9d8..6f9c9ac6ee70 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -208,9 +208,11 @@ static inline void omap_gpio_dbck_disable(struct gpio_bank *bank)
* OMAP's debounce time is in 31us steps
* <debounce time> = (GPIO_DEBOUNCINGTIME[7:0].DEBOUNCETIME + 1) x 31
* so we need to convert and round up to the closest unit.
+ *
+ * Return: 0 on success, negative error otherwise.
*/
-static void omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,
- unsigned debounce)
+static int omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,
+ unsigned debounce)
{
void __iomem *reg;
u32 val;
@@ -218,11 +220,12 @@ static void omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,
bool enable = !!debounce;

if (!bank->dbck_flag)
- return;
+ return -ENOTSUPP;

if (enable) {
debounce = DIV_ROUND_UP(debounce, 31) - 1;
- debounce &= OMAP4_GPIO_DEBOUNCINGTIME_MASK;
+ if ((debounce & OMAP4_GPIO_DEBOUNCINGTIME_MASK) != debounce)
+ return -EINVAL;
}

l = BIT(offset);
@@ -255,6 +258,8 @@ static void omap2_set_gpio_debounce(struct gpio_bank *bank, unsigned offset,
bank->context.debounce = debounce;
bank->context.debounce_en = val;
}
+
+ return 0;
}

/**
@@ -964,14 +969,20 @@ static int omap_gpio_debounce(struct gpio_chip *chip, unsigned offset,
{
struct gpio_bank *bank;
unsigned long flags;
+ int ret;

bank = gpiochip_get_data(chip);

raw_spin_lock_irqsave(&bank->lock, flags);
- omap2_set_gpio_debounce(bank, offset, debounce);
+ ret = omap2_set_gpio_debounce(bank, offset, debounce);
raw_spin_unlock_irqrestore(&bank->lock, flags);

- return 0;
+ if (ret)
+ dev_info(chip->parent,
+ "Could not set line %u debounce to %u microseconds (%d)",
+ offset, debounce, ret);
+
+ return ret;
}

static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 882404cefbc2..42448c7c5ff5 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -1173,23 +1173,10 @@ static u32 dce_v10_0_latency_watermark(struct dce10_wm_params *wm)
a.full = dfixed_const(available_bandwidth);
b.full = dfixed_const(wm->num_heads);
a.full = dfixed_div(a, b);
+ tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+ tmp = min(dfixed_trunc(a), tmp);

- b.full = dfixed_const(mc_latency + 512);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(b, c);
-
- c.full = dfixed_const(dmif_size);
- b.full = dfixed_div(c, b);
-
- tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
- b.full = dfixed_const(1000);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(c, b);
- c.full = dfixed_const(wm->bytes_per_pixel);
- b.full = dfixed_mul(b, c);
-
- lb_fill_bw = min(tmp, dfixed_trunc(b));
+ lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);

a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
b.full = dfixed_const(1000);
@@ -1297,14 +1284,14 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,
{
struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
struct dce10_wm_params wm_low, wm_high;
- u32 pixel_period;
+ u32 active_time;
u32 line_time = 0;
u32 latency_watermark_a = 0, latency_watermark_b = 0;
u32 tmp, wm_mask, lb_vblank_lead_lines = 0;

if (amdgpu_crtc->base.enabled && num_heads && mode) {
- pixel_period = 1000000 / (u32)mode->clock;
- line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+ active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+ line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);

/* watermark for high clocks */
if (adev->pm.dpm_enabled) {
@@ -1319,7 +1306,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,

wm_high.disp_clk = mode->clock;
wm_high.src_width = mode->crtc_hdisplay;
- wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_high.active_time = active_time;
wm_high.blank_time = line_time - wm_high.active_time;
wm_high.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1358,7 +1345,7 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev,

wm_low.disp_clk = mode->clock;
wm_low.src_width = mode->crtc_hdisplay;
- wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_low.active_time = active_time;
wm_low.blank_time = line_time - wm_low.active_time;
wm_low.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 64a1df62cc65..904dabdc3a1e 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -1140,23 +1140,10 @@ static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
a.full = dfixed_const(available_bandwidth);
b.full = dfixed_const(wm->num_heads);
a.full = dfixed_div(a, b);
+ tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+ tmp = min(dfixed_trunc(a), tmp);

- b.full = dfixed_const(mc_latency + 512);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(b, c);
-
- c.full = dfixed_const(dmif_size);
- b.full = dfixed_div(c, b);
-
- tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
- b.full = dfixed_const(1000);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(c, b);
- c.full = dfixed_const(wm->bytes_per_pixel);
- b.full = dfixed_mul(b, c);
-
- lb_fill_bw = min(tmp, dfixed_trunc(b));
+ lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);

a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
b.full = dfixed_const(1000);
@@ -1264,14 +1251,14 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
{
struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
struct dce10_wm_params wm_low, wm_high;
- u32 pixel_period;
+ u32 active_time;
u32 line_time = 0;
u32 latency_watermark_a = 0, latency_watermark_b = 0;
u32 tmp, wm_mask, lb_vblank_lead_lines = 0;

if (amdgpu_crtc->base.enabled && num_heads && mode) {
- pixel_period = 1000000 / (u32)mode->clock;
- line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+ active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+ line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);

/* watermark for high clocks */
if (adev->pm.dpm_enabled) {
@@ -1286,7 +1273,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,

wm_high.disp_clk = mode->clock;
wm_high.src_width = mode->crtc_hdisplay;
- wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_high.active_time = active_time;
wm_high.blank_time = line_time - wm_high.active_time;
wm_high.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1325,7 +1312,7 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,

wm_low.disp_clk = mode->clock;
wm_low.src_width = mode->crtc_hdisplay;
- wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_low.active_time = active_time;
wm_low.blank_time = line_time - wm_low.active_time;
wm_low.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index fde6ee1f6f2b..6d02bdb25d98 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -932,23 +932,10 @@ static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
a.full = dfixed_const(available_bandwidth);
b.full = dfixed_const(wm->num_heads);
a.full = dfixed_div(a, b);
+ tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+ tmp = min(dfixed_trunc(a), tmp);

- b.full = dfixed_const(mc_latency + 512);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(b, c);
-
- c.full = dfixed_const(dmif_size);
- b.full = dfixed_div(c, b);
-
- tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
- b.full = dfixed_const(1000);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(c, b);
- c.full = dfixed_const(wm->bytes_per_pixel);
- b.full = dfixed_mul(b, c);
-
- lb_fill_bw = min(tmp, dfixed_trunc(b));
+ lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);

a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
b.full = dfixed_const(1000);
@@ -1057,18 +1044,18 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
struct dce6_wm_params wm_low, wm_high;
u32 dram_channels;
- u32 pixel_period;
+ u32 active_time;
u32 line_time = 0;
u32 latency_watermark_a = 0, latency_watermark_b = 0;
u32 priority_a_mark = 0, priority_b_mark = 0;
u32 priority_a_cnt = PRIORITY_OFF;
u32 priority_b_cnt = PRIORITY_OFF;
- u32 tmp, arb_control3;
+ u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
fixed20_12 a, b, c;

if (amdgpu_crtc->base.enabled && num_heads && mode) {
- pixel_period = 1000000 / (u32)mode->clock;
- line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+ active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+ line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);
priority_a_cnt = 0;
priority_b_cnt = 0;

@@ -1087,7 +1074,7 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,

wm_high.disp_clk = mode->clock;
wm_high.src_width = mode->crtc_hdisplay;
- wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_high.active_time = active_time;
wm_high.blank_time = line_time - wm_high.active_time;
wm_high.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1114,7 +1101,7 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,

wm_low.disp_clk = mode->clock;
wm_low.src_width = mode->crtc_hdisplay;
- wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_low.active_time = active_time;
wm_low.blank_time = line_time - wm_low.active_time;
wm_low.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1175,6 +1162,8 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
c.full = dfixed_div(c, a);
priority_b_mark = dfixed_trunc(c);
priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
+
+ lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
}

/* select wm A */
@@ -1204,6 +1193,9 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
/* save values for DPM */
amdgpu_crtc->line_time = line_time;
amdgpu_crtc->wm_high = latency_watermark_a;
+
+ /* Save number of lines the linebuffer leads before the scanout */
+ amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
}

/* watermark setup */
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index 7d9ffde0a628..b1fb60107cfa 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -1094,23 +1094,10 @@ static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)
a.full = dfixed_const(available_bandwidth);
b.full = dfixed_const(wm->num_heads);
a.full = dfixed_div(a, b);
+ tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
+ tmp = min(dfixed_trunc(a), tmp);

- b.full = dfixed_const(mc_latency + 512);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(b, c);
-
- c.full = dfixed_const(dmif_size);
- b.full = dfixed_div(c, b);
-
- tmp = min(dfixed_trunc(a), dfixed_trunc(b));
-
- b.full = dfixed_const(1000);
- c.full = dfixed_const(wm->disp_clk);
- b.full = dfixed_div(c, b);
- c.full = dfixed_const(wm->bytes_per_pixel);
- b.full = dfixed_mul(b, c);
-
- lb_fill_bw = min(tmp, dfixed_trunc(b));
+ lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);

a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
b.full = dfixed_const(1000);
@@ -1218,14 +1205,14 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,
{
struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
struct dce8_wm_params wm_low, wm_high;
- u32 pixel_period;
+ u32 active_time;
u32 line_time = 0;
u32 latency_watermark_a = 0, latency_watermark_b = 0;
u32 tmp, wm_mask, lb_vblank_lead_lines = 0;

if (amdgpu_crtc->base.enabled && num_heads && mode) {
- pixel_period = 1000000 / (u32)mode->clock;
- line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
+ active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock;
+ line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535);

/* watermark for high clocks */
if (adev->pm.dpm_enabled) {
@@ -1240,7 +1227,7 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,

wm_high.disp_clk = mode->clock;
wm_high.src_width = mode->crtc_hdisplay;
- wm_high.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_high.active_time = active_time;
wm_high.blank_time = line_time - wm_high.active_time;
wm_high.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
@@ -1279,7 +1266,7 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,

wm_low.disp_clk = mode->clock;
wm_low.src_width = mode->crtc_hdisplay;
- wm_low.active_time = mode->crtc_hdisplay * pixel_period;
+ wm_low.active_time = active_time;
wm_low.blank_time = line_time - wm_low.active_time;
wm_low.interlaced = false;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 0bc0afb6321e..0151ed2de770 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -76,6 +76,8 @@
#define EDID_QUIRK_FORCE_12BPC (1 << 9)
/* Force 6bpc */
#define EDID_QUIRK_FORCE_6BPC (1 << 10)
+/* Force 10bpc */
+#define EDID_QUIRK_FORCE_10BPC (1 << 11)

struct detailed_mode_closure {
struct drm_connector *connector;
@@ -118,6 +120,9 @@ static const struct edid_quirk {
{ "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
EDID_QUIRK_DETAILED_IN_CM },

+ /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
+ { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
+
/* LG Philips LCD LP154W01-A5 */
{ "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
{ "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
@@ -4105,6 +4110,9 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
if (quirks & EDID_QUIRK_FORCE_8BPC)
connector->display_info.bpc = 8;

+ if (quirks & EDID_QUIRK_FORCE_10BPC)
+ connector->display_info.bpc = 10;
+
if (quirks & EDID_QUIRK_FORCE_12BPC)
connector->display_info.bpc = 12;

diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index f46aac1e85fb..c75f4bb6a4bd 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -420,6 +420,11 @@ int i915_gem_init_stolen(struct drm_device *dev)
return 0;
}

+ if (intel_vgpu_active(dev_priv)) {
+ DRM_INFO("iGVT-g active, disabling use of stolen memory\n");
+ return 0;
+ }
+
#ifdef CONFIG_INTEL_IOMMU
if (intel_iommu_gfx_mapped && INTEL_INFO(dev)->gen < 8) {
DRM_INFO("DMAR active, disabling use of stolen memory\n");
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c
index 8894fee30cbc..cbacbb673e54 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c
@@ -130,7 +130,7 @@ nvkm_therm_update(struct nvkm_therm *therm, int mode)
poll = false;
}

- if (list_empty(&therm->alarm.head) && poll)
+ if (poll)
nvkm_timer_alarm(tmr, 1000000000ULL, &therm->alarm);
spin_unlock_irqrestore(&therm->lock, flags);

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
index 91198d79393a..e2feccec25f5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fan.c
@@ -83,7 +83,7 @@ nvkm_fan_update(struct nvkm_fan *fan, bool immediate, int target)
spin_unlock_irqrestore(&fan->lock, flags);

/* schedule next fan update, if not at target speed already */
- if (list_empty(&fan->alarm.head) && target != duty) {
+ if (target != duty) {
u16 bump_period = fan->bios.bump_period;
u16 slow_down_period = fan->bios.slow_down_period;
u64 delay;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c
index 59701b7a6597..ff9fbe7950e5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/fantog.c
@@ -53,7 +53,7 @@ nvkm_fantog_update(struct nvkm_fantog *fan, int percent)
duty = !nvkm_gpio_get(gpio, 0, DCB_GPIO_FAN, 0xff);
nvkm_gpio_set(gpio, 0, DCB_GPIO_FAN, 0xff, duty);

- if (list_empty(&fan->alarm.head) && percent != (duty * 100)) {
+ if (percent != (duty * 100)) {
u64 next_change = (percent * fan->period_us) / 100;
if (!duty)
next_change = fan->period_us - next_change;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c
index b9703c02d8ca..9a79e91fdfdc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/temp.c
@@ -185,7 +185,7 @@ alarm_timer_callback(struct nvkm_alarm *alarm)
spin_unlock_irqrestore(&therm->sensor.alarm_program_lock, flags);

/* schedule the next poll in one second */
- if (therm->func->temp_get(therm) >= 0 && list_empty(&alarm->head))
+ if (therm->func->temp_get(therm) >= 0)
nvkm_timer_alarm(tmr, 1000000000ULL, alarm);
}

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c
index 07dc82bfe346..f2a86eae0a0d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c
@@ -36,23 +36,29 @@ nvkm_timer_alarm_trigger(struct nvkm_timer *tmr)
unsigned long flags;
LIST_HEAD(exec);

- /* move any due alarms off the pending list */
+ /* Process pending alarms. */
spin_lock_irqsave(&tmr->lock, flags);
list_for_each_entry_safe(alarm, atemp, &tmr->alarms, head) {
- if (alarm->timestamp <= nvkm_timer_read(tmr))
- list_move_tail(&alarm->head, &exec);
+ /* Have we hit the earliest alarm that hasn't gone off? */
+ if (alarm->timestamp > nvkm_timer_read(tmr)) {
+ /* Schedule it. If we didn't race, we're done. */
+ tmr->func->alarm_init(tmr, alarm->timestamp);
+ if (alarm->timestamp > nvkm_timer_read(tmr))
+ break;
+ }
+
+ /* Move to completed list. We'll drop the lock before
+ * executing the callback so it can reschedule itself.
+ */
+ list_move_tail(&alarm->head, &exec);
}

- /* reschedule interrupt for next alarm time */
- if (!list_empty(&tmr->alarms)) {
- alarm = list_first_entry(&tmr->alarms, typeof(*alarm), head);
- tmr->func->alarm_init(tmr, alarm->timestamp);
- } else {
+ /* Shut down interrupt if no more pending alarms. */
+ if (list_empty(&tmr->alarms))
tmr->func->alarm_fini(tmr);
- }
spin_unlock_irqrestore(&tmr->lock, flags);

- /* execute any pending alarm handlers */
+ /* Execute completed callbacks. */
list_for_each_entry_safe(alarm, atemp, &exec, head) {
list_del_init(&alarm->head);
alarm->func(alarm);
@@ -65,24 +71,37 @@ nvkm_timer_alarm(struct nvkm_timer *tmr, u32 nsec, struct nvkm_alarm *alarm)
struct nvkm_alarm *list;
unsigned long flags;

- alarm->timestamp = nvkm_timer_read(tmr) + nsec;
-
- /* append new alarm to list, in soonest-alarm-first order */
+ /* Remove alarm from pending list.
+ *
+ * This both protects against the corruption of the list,
+ * and implements alarm rescheduling/cancellation.
+ */
spin_lock_irqsave(&tmr->lock, flags);
- if (!nsec) {
- if (!list_empty(&alarm->head))
- list_del(&alarm->head);
- } else {
+ list_del_init(&alarm->head);
+
+ if (nsec) {
+ /* Insert into pending list, ordered earliest to latest. */
+ alarm->timestamp = nvkm_timer_read(tmr) + nsec;
list_for_each_entry(list, &tmr->alarms, head) {
if (list->timestamp > alarm->timestamp)
break;
}
+
list_add_tail(&alarm->head, &list->head);
+
+ /* Update HW if this is now the earliest alarm. */
+ list = list_first_entry(&tmr->alarms, typeof(*list), head);
+ if (list == alarm) {
+ tmr->func->alarm_init(tmr, alarm->timestamp);
+ /* This shouldn't happen if callers aren't stupid.
+ *
+ * Worst case scenario is that it'll take roughly
+ * 4 seconds for the next alarm to trigger.
+ */
+ WARN_ON(alarm->timestamp <= nvkm_timer_read(tmr));
+ }
}
spin_unlock_irqrestore(&tmr->lock, flags);
-
- /* process pending alarms */
- nvkm_timer_alarm_trigger(tmr);
}

void
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c
index 7b9ce87f0617..7f48249f41de 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/nv04.c
@@ -76,8 +76,8 @@ nv04_timer_intr(struct nvkm_timer *tmr)
u32 stat = nvkm_rd32(device, NV04_PTIMER_INTR_0);

if (stat & 0x00000001) {
- nvkm_timer_alarm_trigger(tmr);
nvkm_wr32(device, NV04_PTIMER_INTR_0, 0x00000001);
+ nvkm_timer_alarm_trigger(tmr);
stat &= ~0x00000001;
}

diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index b5beea53d6f6..ab646a90e3da 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -217,7 +217,15 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st,
if (ret < 0 || value < 0)
ret = -EINVAL;

- return ret;
+ ret = sensor_hub_get_feature(st->hsdev,
+ st->poll.report_id,
+ st->poll.index, sizeof(value), &value);
+ if (ret < 0 || value < 0)
+ return -EINVAL;
+
+ st->poll_interval = value;
+
+ return 0;
}
EXPORT_SYMBOL(hid_sensor_write_samp_freq_value);

@@ -259,7 +267,16 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st,
if (ret < 0 || value < 0)
ret = -EINVAL;

- return ret;
+ ret = sensor_hub_get_feature(st->hsdev,
+ st->sensitivity.report_id,
+ st->sensitivity.index, sizeof(value),
+ &value);
+ if (ret < 0 || value < 0)
+ return -EINVAL;
+
+ st->raw_hystersis = value;
+
+ return 0;
}
EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value);

@@ -355,6 +372,9 @@ int hid_sensor_get_reporting_interval(struct hid_sensor_hub_device *hsdev,
/* Default unit of measure is milliseconds */
if (st->poll.units == 0)
st->poll.units = HID_USAGE_SENSOR_UNITS_MILLISECOND;
+
+ st->poll_interval = -1;
+
return 0;

}
@@ -377,6 +397,8 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
HID_USAGE_SENSOR_PROY_POWER_STATE,
&st->power_state);

+ st->raw_hystersis = -1;
+
sensor_hub_input_get_attribute_info(hsdev,
HID_FEATURE_REPORT, usage_id,
HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS,
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index ecf592d69043..60829340a82e 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -51,6 +51,8 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state)
st->report_state.report_id,
st->report_state.index,
HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM);
+
+ poll_value = hid_sensor_read_poll_value(st);
} else {
int val;

@@ -87,9 +89,7 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state)
sensor_hub_get_feature(st->hsdev, st->power_state.report_id,
st->power_state.index,
sizeof(state_val), &state_val);
- if (state)
- poll_value = hid_sensor_read_poll_value(st);
- if (poll_value > 0)
+ if (state && poll_value)
msleep_interruptible(poll_value * 2);

return 0;
@@ -127,6 +127,20 @@ static void hid_sensor_set_power_work(struct work_struct *work)
struct hid_sensor_common *attrb = container_of(work,
struct hid_sensor_common,
work);
+
+ if (attrb->poll_interval >= 0)
+ sensor_hub_set_feature(attrb->hsdev, attrb->poll.report_id,
+ attrb->poll.index,
+ sizeof(attrb->poll_interval),
+ &attrb->poll_interval);
+
+ if (attrb->raw_hystersis >= 0)
+ sensor_hub_set_feature(attrb->hsdev,
+ attrb->sensitivity.report_id,
+ attrb->sensitivity.index,
+ sizeof(attrb->raw_hystersis),
+ &attrb->raw_hystersis);
+
_hid_sensor_power_state(attrb, true);
}

diff --git a/drivers/iio/dac/ad7303.c b/drivers/iio/dac/ad7303.c
index e690dd11e99f..4b0f942b8914 100644
--- a/drivers/iio/dac/ad7303.c
+++ b/drivers/iio/dac/ad7303.c
@@ -184,9 +184,9 @@ static const struct iio_chan_spec_ext_info ad7303_ext_info[] = {
.address = (chan), \
.scan_type = { \
.sign = 'u', \
- .realbits = '8', \
- .storagebits = '8', \
- .shift = '0', \
+ .realbits = 8, \
+ .storagebits = 8, \
+ .shift = 0, \
}, \
.ext_info = ad7303_ext_info, \
}
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index e5a533cbd53f..f762eb8b174a 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -175,11 +175,12 @@ static u32 bmp280_compensate_humidity(struct bmp280_data *data,
}
H6 = sign_extend32(tmp, 7);

- var = ((s32)data->t_fine) - 76800;
- var = ((((adc_humidity << 14) - (H4 << 20) - (H5 * var)) + 16384) >> 15)
- * (((((((var * H6) >> 10) * (((var * H3) >> 11) + 32768)) >> 10)
- + 2097152) * H2 + 8192) >> 14);
- var -= ((((var >> 15) * (var >> 15)) >> 7) * H1) >> 4;
+ var = ((s32)data->t_fine) - (s32)76800;
+ var = ((((adc_humidity << 14) - (H4 << 20) - (H5 * var))
+ + (s32)16384) >> 15) * (((((((var * H6) >> 10)
+ * (((var * (s32)H3) >> 11) + (s32)32768)) >> 10)
+ + (s32)2097152) * H2 + 8192) >> 14);
+ var -= ((((var >> 15) * (var >> 15)) >> 7) * (s32)H1) >> 4;

return var >> 12;
};
diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c
index 5656deb17261..020459513384 100644
--- a/drivers/iio/proximity/as3935.c
+++ b/drivers/iio/proximity/as3935.c
@@ -50,7 +50,6 @@
#define AS3935_TUNE_CAP 0x08
#define AS3935_CALIBRATE 0x3D

-#define AS3935_WRITE_DATA BIT(15)
#define AS3935_READ_DATA BIT(14)
#define AS3935_ADDRESS(x) ((x) << 8)

@@ -105,7 +104,7 @@ static int as3935_write(struct as3935_state *st,
{
u8 *buf = st->buf;

- buf[0] = (AS3935_WRITE_DATA | AS3935_ADDRESS(reg)) >> 8;
+ buf[0] = AS3935_ADDRESS(reg) >> 8;
buf[1] = val;

return spi_write(st->spi, buf, 2);
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 0f58f46dbad7..8fd108d89527 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -444,8 +444,8 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
fl6.saddr = src_in->sin6_addr;
fl6.flowi6_oif = addr->bound_dev_if;

- dst = ip6_route_output(addr->net, NULL, &fl6);
- if ((ret = dst->error))
+ ret = ipv6_stub->ipv6_dst_lookup(addr->net, NULL, &dst, &fl6);
+ if (ret < 0)
goto put;

rt = (struct rt6_info *)dst;
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index bd786b7bd30b..bb729764a799 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -751,6 +751,9 @@ static int hfi1_file_close(struct inode *inode, struct file *fp)
/* release the cpu */
hfi1_put_proc_affinity(fdata->rec_cpu_num);

+ /* clean up rcv side */
+ hfi1_user_exp_rcv_free(fdata);
+
/*
* Clear any left over, unhandled events so the next process that
* gets this context doesn't get confused.
@@ -790,7 +793,7 @@ static int hfi1_file_close(struct inode *inode, struct file *fp)

dd->rcd[uctxt->ctxt] = NULL;

- hfi1_user_exp_rcv_free(fdata);
+ hfi1_user_exp_rcv_grp_free(uctxt);
hfi1_clear_ctxt_pkey(dd, uctxt->ctxt);

uctxt->rcvwait_to = 0;
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index e3b5bc93bc70..34cfd341b6d6 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -1757,6 +1757,7 @@ int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd)
!HFI1_CAP_KGET_MASK(rcd->flags, MULTI_PKT_EGR)) {
dd_dev_err(dd, "ctxt%u: Failed to allocate eager buffers\n",
rcd->ctxt);
+ ret = -ENOMEM;
goto bail_rcvegrbuf_phys;
}

diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 64d26525435a..db0f140e2116 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -250,36 +250,40 @@ int hfi1_user_exp_rcv_init(struct file *fp)
return ret;
}

+void hfi1_user_exp_rcv_grp_free(struct hfi1_ctxtdata *uctxt)
+{
+ struct tid_group *grp, *gptr;
+
+ list_for_each_entry_safe(grp, gptr, &uctxt->tid_group_list.list,
+ list) {
+ list_del_init(&grp->list);
+ kfree(grp);
+ }
+ hfi1_clear_tids(uctxt);
+}
+
int hfi1_user_exp_rcv_free(struct hfi1_filedata *fd)
{
struct hfi1_ctxtdata *uctxt = fd->uctxt;
- struct tid_group *grp, *gptr;

- if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags))
- return 0;
/*
* The notifier would have been removed when the process'es mm
* was freed.
*/
- if (fd->handler)
+ if (fd->handler) {
hfi1_mmu_rb_unregister(fd->handler);
-
- kfree(fd->invalid_tids);
-
- if (!uctxt->cnt) {
+ } else {
if (!EXP_TID_SET_EMPTY(uctxt->tid_full_list))
unlock_exp_tids(uctxt, &uctxt->tid_full_list, fd);
if (!EXP_TID_SET_EMPTY(uctxt->tid_used_list))
unlock_exp_tids(uctxt, &uctxt->tid_used_list, fd);
- list_for_each_entry_safe(grp, gptr, &uctxt->tid_group_list.list,
- list) {
- list_del_init(&grp->list);
- kfree(grp);
- }
- hfi1_clear_tids(uctxt);
}

+ kfree(fd->invalid_tids);
+ fd->invalid_tids = NULL;
+
kfree(fd->entry_to_rb);
+ fd->entry_to_rb = NULL;
return 0;
}

diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.h b/drivers/infiniband/hw/hfi1/user_exp_rcv.h
index 9bc8d9fba87e..d1d7d3d3bd44 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.h
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.h
@@ -70,6 +70,7 @@
(tid) |= EXP_TID_SET(field, (value)); \
} while (0)

+void hfi1_user_exp_rcv_grp_free(struct hfi1_ctxtdata *uctxt);
int hfi1_user_exp_rcv_init(struct file *);
int hfi1_user_exp_rcv_free(struct hfi1_filedata *);
int hfi1_user_exp_rcv_setup(struct file *, struct hfi1_tid_info *);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index be2d02b6a6aa..1fb31a47966d 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1828,7 +1828,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr,
klms[i].va = cpu_to_be64(sg_dma_address(sg) + sg_offset);
klms[i].bcount = cpu_to_be32(sg_dma_len(sg) - sg_offset);
klms[i].key = cpu_to_be32(lkey);
- mr->ibmr.length += sg_dma_len(sg);
+ mr->ibmr.length += sg_dma_len(sg) - sg_offset;

sg_offset = 0;
}
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b9e50c10213b..87fcbf71b85a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2049,11 +2049,14 @@ static int domain_context_mapping_one(struct dmar_domain *domain,
if (context_copied(context)) {
u16 did_old = context_domain_id(context);

- if (did_old >= 0 && did_old < cap_ndoms(iommu->cap))
+ if (did_old >= 0 && did_old < cap_ndoms(iommu->cap)) {
iommu->flush.flush_context(iommu, did_old,
(((u16)bus) << 8) | devfn,
DMA_CCMD_MASK_NOBIT,
DMA_CCMD_DEVICE_INVL);
+ iommu->flush.flush_iotlb(iommu, did_old, 0, 0,
+ DMA_TLB_DSI_FLUSH);
+ }
}

pgd = domain->pgd;
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig
index 02a5345a44a6..197e29d1c2e6 100644
--- a/drivers/md/Kconfig
+++ b/drivers/md/Kconfig
@@ -357,6 +357,7 @@ config DM_LOG_USERSPACE
config DM_RAID
tristate "RAID 1/4/5/6/10 target"
depends on BLK_DEV_DM
+ select MD_RAID0
select MD_RAID1
select MD_RAID10
select MD_RAID456
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 125aedc3875f..8bf9667ff46b 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -215,7 +215,7 @@ static DEFINE_SPINLOCK(param_spinlock);
* Buffers are freed after this timeout
*/
static unsigned dm_bufio_max_age = DM_BUFIO_DEFAULT_AGE_SECS;
-static unsigned dm_bufio_retain_bytes = DM_BUFIO_DEFAULT_RETAIN_BYTES;
+static unsigned long dm_bufio_retain_bytes = DM_BUFIO_DEFAULT_RETAIN_BYTES;

static unsigned long dm_bufio_peak_allocated;
static unsigned long dm_bufio_allocated_kmem_cache;
@@ -923,10 +923,11 @@ static void __get_memory_limit(struct dm_bufio_client *c,
{
unsigned long buffers;

- if (ACCESS_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch) {
- mutex_lock(&dm_bufio_clients_lock);
- __cache_size_refresh();
- mutex_unlock(&dm_bufio_clients_lock);
+ if (unlikely(ACCESS_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch)) {
+ if (mutex_trylock(&dm_bufio_clients_lock)) {
+ __cache_size_refresh();
+ mutex_unlock(&dm_bufio_clients_lock);
+ }
}

buffers = dm_bufio_cache_size_per_client >>
@@ -1540,10 +1541,10 @@ static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp)
return true;
}

-static unsigned get_retain_buffers(struct dm_bufio_client *c)
+static unsigned long get_retain_buffers(struct dm_bufio_client *c)
{
- unsigned retain_bytes = ACCESS_ONCE(dm_bufio_retain_bytes);
- return retain_bytes / c->block_size;
+ unsigned long retain_bytes = ACCESS_ONCE(dm_bufio_retain_bytes);
+ return retain_bytes >> (c->sectors_per_block_bits + SECTOR_SHIFT);
}

static unsigned long __scan(struct dm_bufio_client *c, unsigned long nr_to_scan,
@@ -1553,7 +1554,7 @@ static unsigned long __scan(struct dm_bufio_client *c, unsigned long nr_to_scan,
struct dm_buffer *b, *tmp;
unsigned long freed = 0;
unsigned long count = nr_to_scan;
- unsigned retain_target = get_retain_buffers(c);
+ unsigned long retain_target = get_retain_buffers(c);

for (l = 0; l < LIST_SIZE; l++) {
list_for_each_entry_safe_reverse(b, tmp, &c->lru[l], lru_list) {
@@ -1779,11 +1780,19 @@ static bool older_than(struct dm_buffer *b, unsigned long age_hz)
static void __evict_old_buffers(struct dm_bufio_client *c, unsigned long age_hz)
{
struct dm_buffer *b, *tmp;
- unsigned retain_target = get_retain_buffers(c);
- unsigned count;
+ unsigned long retain_target = get_retain_buffers(c);
+ unsigned long count;
+ LIST_HEAD(write_list);

dm_bufio_lock(c);

+ __check_watermark(c, &write_list);
+ if (unlikely(!list_empty(&write_list))) {
+ dm_bufio_unlock(c);
+ __flush_write_list(&write_list);
+ dm_bufio_lock(c);
+ }
+
count = c->n_buffers[LIST_CLEAN] + c->n_buffers[LIST_DIRTY];
list_for_each_entry_safe_reverse(b, tmp, &c->lru[LIST_CLEAN], lru_list) {
if (count <= retain_target)
@@ -1808,6 +1817,8 @@ static void cleanup_old_buffers(void)

mutex_lock(&dm_bufio_clients_lock);

+ __cache_size_refresh();
+
list_for_each_entry(c, &dm_bufio_all_clients, client_list)
__evict_old_buffers(c, max_age_hz);

@@ -1930,7 +1941,7 @@ MODULE_PARM_DESC(max_cache_size_bytes, "Size of metadata cache");
module_param_named(max_age_seconds, dm_bufio_max_age, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(max_age_seconds, "Max age of a buffer in seconds");

-module_param_named(retain_bytes, dm_bufio_retain_bytes, uint, S_IRUGO | S_IWUSR);
+module_param_named(retain_bytes, dm_bufio_retain_bytes, ulong, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(retain_bytes, "Try to keep at least this many bytes cached in memory");

module_param_named(peak_allocated_bytes, dm_bufio_peak_allocated, ulong, S_IRUGO | S_IWUSR);
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 695577812cf6..6937ca42be8c 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1383,17 +1383,19 @@ void dm_cache_metadata_set_stats(struct dm_cache_metadata *cmd,

int dm_cache_commit(struct dm_cache_metadata *cmd, bool clean_shutdown)
{
- int r;
+ int r = -EINVAL;
flags_mutator mutator = (clean_shutdown ? set_clean_shutdown :
clear_clean_shutdown);

WRITE_LOCK(cmd);
+ if (cmd->fail_io)
+ goto out;
+
r = __commit_transaction(cmd, mutator);
if (r)
goto out;

r = __begin_transaction(cmd);
-
out:
WRITE_UNLOCK(cmd);
return r;
@@ -1405,7 +1407,8 @@ int dm_cache_get_free_metadata_block_count(struct dm_cache_metadata *cmd,
int r = -EINVAL;

READ_LOCK(cmd);
- r = dm_sm_get_nr_free(cmd->metadata_sm, result);
+ if (!cmd->fail_io)
+ r = dm_sm_get_nr_free(cmd->metadata_sm, result);
READ_UNLOCK(cmd);

return r;
@@ -1417,7 +1420,8 @@ int dm_cache_get_metadata_dev_size(struct dm_cache_metadata *cmd,
int r = -EINVAL;

READ_LOCK(cmd);
- r = dm_sm_get_nr_blocks(cmd->metadata_sm, result);
+ if (!cmd->fail_io)
+ r = dm_sm_get_nr_blocks(cmd->metadata_sm, result);
READ_UNLOCK(cmd);

return r;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index e477af8596e2..ac8235bda61b 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -119,7 +119,8 @@ static struct kmem_cache *_mpio_cache;

static struct workqueue_struct *kmultipathd, *kmpath_handlerd;
static void trigger_event(struct work_struct *work);
-static void activate_path(struct work_struct *work);
+static void activate_or_offline_path(struct pgpath *pgpath);
+static void activate_path_work(struct work_struct *work);
static void process_queued_bios(struct work_struct *work);

/*-----------------------------------------------
@@ -144,7 +145,7 @@ static struct pgpath *alloc_pgpath(void)

if (pgpath) {
pgpath->is_active = true;
- INIT_DELAYED_WORK(&pgpath->activate_path, activate_path);
+ INIT_DELAYED_WORK(&pgpath->activate_path, activate_path_work);
}

return pgpath;
@@ -1515,10 +1516,8 @@ static void pg_init_done(void *data, int errors)
spin_unlock_irqrestore(&m->lock, flags);
}

-static void activate_path(struct work_struct *work)
+static void activate_or_offline_path(struct pgpath *pgpath)
{
- struct pgpath *pgpath =
- container_of(work, struct pgpath, activate_path.work);
struct request_queue *q = bdev_get_queue(pgpath->path.dev->bdev);

if (pgpath->is_active && !blk_queue_dying(q))
@@ -1527,6 +1526,14 @@ static void activate_path(struct work_struct *work)
pg_init_done(pgpath, SCSI_DH_DEV_OFFLINED);
}

+static void activate_path_work(struct work_struct *work)
+{
+ struct pgpath *pgpath =
+ container_of(work, struct pgpath, activate_path.work);
+
+ activate_or_offline_path(pgpath);
+}
+
static int noretry_error(int error)
{
switch (error) {
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index a15091a0d40c..4477bf930cf4 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -485,11 +485,11 @@ static int __write_initial_superblock(struct dm_pool_metadata *pmd)
if (r < 0)
return r;

- r = save_sm_roots(pmd);
+ r = dm_tm_pre_commit(pmd->tm);
if (r < 0)
return r;

- r = dm_tm_pre_commit(pmd->tm);
+ r = save_sm_roots(pmd);
if (r < 0)
return r;

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 24925f2aa235..eddd360624a1 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6752,6 +6752,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
void __user *argp = (void __user *)arg;
struct mddev *mddev = NULL;
int ro;
+ bool did_set_md_closing = false;

if (!md_ioctl_valid(cmd))
return -ENOTTY;
@@ -6841,7 +6842,9 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
err = -EBUSY;
goto out;
}
+ WARN_ON_ONCE(test_bit(MD_CLOSING, &mddev->flags));
set_bit(MD_CLOSING, &mddev->flags);
+ did_set_md_closing = true;
mutex_unlock(&mddev->open_mutex);
sync_blockdev(bdev);
}
@@ -7041,6 +7044,8 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
mddev->hold_active = 0;
mddev_unlock(mddev);
out:
+ if(did_set_md_closing)
+ clear_bit(MD_CLOSING, &mddev->flags);
return err;
}
#ifdef CONFIG_COMPAT
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index 20a40329d84a..7a75b5010f73 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -897,8 +897,12 @@ static int find_key(struct ro_spine *s, dm_block_t block, bool find_highest,
else
*result_key = le64_to_cpu(ro_node(s)->keys[0]);

- if (next_block || flags & INTERNAL_NODE)
- block = value64(ro_node(s), i);
+ if (next_block || flags & INTERNAL_NODE) {
+ if (find_highest)
+ block = value64(ro_node(s), i);
+ else
+ block = value64(ro_node(s), 0);
+ }

} while (flags & INTERNAL_NODE);

diff --git a/drivers/md/persistent-data/dm-space-map-disk.c b/drivers/md/persistent-data/dm-space-map-disk.c
index ebb280a14325..32adf6b4a9c7 100644
--- a/drivers/md/persistent-data/dm-space-map-disk.c
+++ b/drivers/md/persistent-data/dm-space-map-disk.c
@@ -142,10 +142,23 @@ static int sm_disk_inc_block(struct dm_space_map *sm, dm_block_t b)

static int sm_disk_dec_block(struct dm_space_map *sm, dm_block_t b)
{
+ int r;
+ uint32_t old_count;
enum allocation_event ev;
struct sm_disk *smd = container_of(sm, struct sm_disk, sm);

- return sm_ll_dec(&smd->ll, b, &ev);
+ r = sm_ll_dec(&smd->ll, b, &ev);
+ if (!r && (ev == SM_FREE)) {
+ /*
+ * It's only free if it's also free in the last
+ * transaction.
+ */
+ r = sm_ll_lookup(&smd->old_ll, b, &old_count);
+ if (!r && !old_count)
+ smd->nr_allocated_this_transaction--;
+ }
+
+ return r;
}

static int sm_disk_new_block(struct dm_space_map *sm, dm_block_t *b)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index cce6057b9aca..f34ad2be66a1 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2253,6 +2253,10 @@ static int resize_stripes(struct r5conf *conf, int newsize)
err = -ENOMEM;

mutex_unlock(&conf->cache_size_mutex);
+
+ conf->slab_cache = sc;
+ conf->active_name = 1-conf->active_name;
+
/* Step 4, return new stripes to service */
while(!list_empty(&newstripes)) {
nsh = list_entry(newstripes.next, struct stripe_head, lru);
@@ -2270,8 +2274,6 @@ static int resize_stripes(struct r5conf *conf, int newsize)
}
/* critical section pass, GFP_NOIO no longer needed */

- conf->slab_cache = sc;
- conf->active_name = 1-conf->active_name;
if (!err)
conf->pool_size = newsize;
return err;
diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c
index 5afb9c508f65..fd0f25ee251f 100644
--- a/drivers/media/dvb-frontends/cxd2841er.c
+++ b/drivers/media/dvb-frontends/cxd2841er.c
@@ -3852,7 +3852,9 @@ static struct dvb_frontend_ops cxd2841er_t_c_ops = {
FE_CAN_MUTE_TS |
FE_CAN_2G_MODULATION,
.frequency_min = 42000000,
- .frequency_max = 1002000000
+ .frequency_max = 1002000000,
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000
},
.init = cxd2841er_init_tc,
.sleep = cxd2841er_sleep_tc,
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 27e7cf65c2a7..7c24da51626c 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -206,6 +206,7 @@ static void s5p_mfc_watchdog_worker(struct work_struct *work)
}
s5p_mfc_clock_on();
ret = s5p_mfc_init_hw(dev);
+ s5p_mfc_clock_off();
if (ret)
mfc_err("Failed to reinit FW\n");
}
@@ -663,9 +664,9 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
break;
}
s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
- wake_up_ctx(ctx, reason, err);
WARN_ON(test_and_clear_bit(0, &dev->hw_lock) == 0);
s5p_mfc_clock_off();
+ wake_up_ctx(ctx, reason, err);
s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
} else {
s5p_mfc_handle_frame(ctx, reason, err);
@@ -679,15 +680,11 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
case S5P_MFC_R2H_CMD_OPEN_INSTANCE_RET:
ctx->inst_no = s5p_mfc_hw_call(dev->mfc_ops, get_inst_no, dev);
ctx->state = MFCINST_GOT_INST;
- clear_work_bit(ctx);
- wake_up(&ctx->queue);
goto irq_cleanup_hw;

case S5P_MFC_R2H_CMD_CLOSE_INSTANCE_RET:
- clear_work_bit(ctx);
ctx->inst_no = MFC_NO_INSTANCE_SET;
ctx->state = MFCINST_FREE;
- wake_up(&ctx->queue);
goto irq_cleanup_hw;

case S5P_MFC_R2H_CMD_SYS_INIT_RET:
@@ -697,9 +694,9 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
if (ctx)
clear_work_bit(ctx);
s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev);
- wake_up_dev(dev, reason, err);
clear_bit(0, &dev->hw_lock);
clear_bit(0, &dev->enter_suspend);
+ wake_up_dev(dev, reason, err);
break;

case S5P_MFC_R2H_CMD_INIT_BUFFERS_RET:
@@ -714,9 +711,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
break;

case S5P_MFC_R2H_CMD_DPB_FLUSH_RET:
- clear_work_bit(ctx);
ctx->state = MFCINST_RUNNING;
- wake_up(&ctx->queue);
goto irq_cleanup_hw;

default:
@@ -735,6 +730,8 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
mfc_err("Failed to unlock hw\n");

s5p_mfc_clock_off();
+ clear_work_bit(ctx);
+ wake_up(&ctx->queue);

s5p_mfc_hw_call(dev->mfc_ops, try_run, dev);
spin_unlock(&dev->irqlock);
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index 4f8c7effdcee..db525cdfac88 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -1332,8 +1332,8 @@ static int mceusb_dev_probe(struct usb_interface *intf,
}
}
}
- if (ep_in == NULL) {
- dev_dbg(&intf->dev, "inbound and/or endpoint not found");
+ if (!ep_in || !ep_out) {
+ dev_dbg(&intf->dev, "required endpoints not found\n");
return -ENODEV;
}

diff --git a/drivers/media/usb/cx231xx/cx231xx-audio.c b/drivers/media/usb/cx231xx/cx231xx-audio.c
index 8263c4b0610b..bf4b3ca2abf9 100644
--- a/drivers/media/usb/cx231xx/cx231xx-audio.c
+++ b/drivers/media/usb/cx231xx/cx231xx-audio.c
@@ -674,10 +674,8 @@ static int cx231xx_audio_init(struct cx231xx *dev)

spin_lock_init(&adev->slock);
err = snd_pcm_new(card, "Cx231xx Audio", 0, 0, 1, &pcm);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto err_free_card;

snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&snd_cx231xx_pcm_capture);
@@ -691,10 +689,9 @@ static int cx231xx_audio_init(struct cx231xx *dev)
INIT_WORK(&dev->wq_trigger, audio_trigger);

err = snd_card_register(card);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
+ if (err < 0)
+ goto err_free_card;
+
adev->sndcard = card;
adev->udev = dev->udev;

@@ -704,6 +701,11 @@ static int cx231xx_audio_init(struct cx231xx *dev)
hs_config_info[0].interface_info.
audio_index + 1];

+ if (uif->altsetting[0].desc.bNumEndpoints < isoc_pipe + 1) {
+ err = -ENODEV;
+ goto err_free_card;
+ }
+
adev->end_point_addr =
uif->altsetting[0].endpoint[isoc_pipe].desc.
bEndpointAddress;
@@ -713,13 +715,20 @@ static int cx231xx_audio_init(struct cx231xx *dev)
"audio EndPoint Addr 0x%x, Alternate settings: %i\n",
adev->end_point_addr, adev->num_alt);
adev->alt_max_pkt_size = kmalloc(32 * adev->num_alt, GFP_KERNEL);
-
- if (adev->alt_max_pkt_size == NULL)
- return -ENOMEM;
+ if (!adev->alt_max_pkt_size) {
+ err = -ENOMEM;
+ goto err_free_card;
+ }

for (i = 0; i < adev->num_alt; i++) {
- u16 tmp =
- le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].desc.
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < isoc_pipe + 1) {
+ err = -ENODEV;
+ goto err_free_pkt_size;
+ }
+
+ tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].desc.
wMaxPacketSize);
adev->alt_max_pkt_size[i] =
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
@@ -729,6 +738,13 @@ static int cx231xx_audio_init(struct cx231xx *dev)
}

return 0;
+
+err_free_pkt_size:
+ kfree(adev->alt_max_pkt_size);
+err_free_card:
+ snd_card_free(card);
+
+ return err;
}

static int cx231xx_audio_fini(struct cx231xx *dev)
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c
index 36bc25494319..be9e3335dcb7 100644
--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c
@@ -1397,6 +1397,9 @@ static int cx231xx_init_v4l2(struct cx231xx *dev,

uif = udev->actconfig->interface[idx];

+ if (uif->altsetting[0].desc.bNumEndpoints < isoc_pipe + 1)
+ return -ENODEV;
+
dev->video_mode.end_point_addr = uif->altsetting[0].endpoint[isoc_pipe].desc.bEndpointAddress;
dev->video_mode.num_alt = uif->num_altsetting;

@@ -1410,7 +1413,12 @@ static int cx231xx_init_v4l2(struct cx231xx *dev,
return -ENOMEM;

for (i = 0; i < dev->video_mode.num_alt; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].desc.wMaxPacketSize);
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < isoc_pipe + 1)
+ return -ENODEV;
+
+ tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].desc.wMaxPacketSize);
dev->video_mode.alt_max_pkt_size[i] = (tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
dev_dbg(dev->dev,
"Alternate setting %i, max size= %i\n", i,
@@ -1427,6 +1435,9 @@ static int cx231xx_init_v4l2(struct cx231xx *dev,
}
uif = udev->actconfig->interface[idx];

+ if (uif->altsetting[0].desc.bNumEndpoints < isoc_pipe + 1)
+ return -ENODEV;
+
dev->vbi_mode.end_point_addr =
uif->altsetting[0].endpoint[isoc_pipe].desc.
bEndpointAddress;
@@ -1443,8 +1454,12 @@ static int cx231xx_init_v4l2(struct cx231xx *dev,
return -ENOMEM;

for (i = 0; i < dev->vbi_mode.num_alt; i++) {
- u16 tmp =
- le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < isoc_pipe + 1)
+ return -ENODEV;
+
+ tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
desc.wMaxPacketSize);
dev->vbi_mode.alt_max_pkt_size[i] =
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
@@ -1464,6 +1479,9 @@ static int cx231xx_init_v4l2(struct cx231xx *dev,
}
uif = udev->actconfig->interface[idx];

+ if (uif->altsetting[0].desc.bNumEndpoints < isoc_pipe + 1)
+ return -ENODEV;
+
dev->sliced_cc_mode.end_point_addr =
uif->altsetting[0].endpoint[isoc_pipe].desc.
bEndpointAddress;
@@ -1478,7 +1496,12 @@ static int cx231xx_init_v4l2(struct cx231xx *dev,
return -ENOMEM;

for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < isoc_pipe + 1)
+ return -ENODEV;
+
+ tmp = le16_to_cpu(uif->altsetting[i].endpoint[isoc_pipe].
desc.wMaxPacketSize);
dev->sliced_cc_mode.alt_max_pkt_size[i] =
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
@@ -1647,6 +1670,11 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
}
uif = udev->actconfig->interface[idx];

+ if (uif->altsetting[0].desc.bNumEndpoints < isoc_pipe + 1) {
+ retval = -ENODEV;
+ goto err_video_alt;
+ }
+
dev->ts1_mode.end_point_addr =
uif->altsetting[0].endpoint[isoc_pipe].
desc.bEndpointAddress;
@@ -1664,7 +1692,14 @@ static int cx231xx_usb_probe(struct usb_interface *interface,
}

for (i = 0; i < dev->ts1_mode.num_alt; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < isoc_pipe + 1) {
+ retval = -ENODEV;
+ goto err_video_alt;
+ }
+
+ tmp = le16_to_cpu(uif->altsetting[i].
endpoint[isoc_pipe].desc.
wMaxPacketSize);
dev->ts1_mode.alt_max_pkt_size[i] =
diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
index 47ce9d5de4c6..563f690cd978 100644
--- a/drivers/media/usb/dvb-usb/dib0700_core.c
+++ b/drivers/media/usb/dvb-usb/dib0700_core.c
@@ -812,6 +812,9 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf)

/* Starting in firmware 1.20, the RC info is provided on a bulk pipe */

+ if (intf->altsetting[0].desc.bNumEndpoints < rc_ep + 1)
+ return -ENODEV;
+
purb = usb_alloc_urb(0, GFP_KERNEL);
if (purb == NULL)
return -ENOMEM;
diff --git a/drivers/media/usb/dvb-usb/dibusb-mc-common.c b/drivers/media/usb/dvb-usb/dibusb-mc-common.c
index d66f56cc46a5..1f7bce64777f 100644
--- a/drivers/media/usb/dvb-usb/dibusb-mc-common.c
+++ b/drivers/media/usb/dvb-usb/dibusb-mc-common.c
@@ -12,6 +12,8 @@
#include <linux/kconfig.h>
#include "dibusb.h"

+MODULE_LICENSE("GPL");
+
/* 3000MC/P stuff */
// Config Adjacent channels Perf -cal22
static struct dibx000_agc_config dib3000p_mt2060_agc_config = {
diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c
index 4284f6984dc1..475a3c0cdee7 100644
--- a/drivers/media/usb/dvb-usb/digitv.c
+++ b/drivers/media/usb/dvb-usb/digitv.c
@@ -33,6 +33,9 @@ static int digitv_ctrl_msg(struct dvb_usb_device *d,

wo = (rbuf == NULL || rlen == 0); /* write-only */

+ if (wlen > 4 || rlen > 4)
+ return -EIO;
+
memset(st->sndbuf, 0, 7);
memset(st->rcvbuf, 0, 7);

diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
index c3e67347a977..4a0cc54870c7 100644
--- a/drivers/media/usb/dvb-usb/dw2102.c
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -205,6 +205,20 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap,

switch (num) {
case 2:
+ if (msg[0].len != 1) {
+ warn("i2c rd: len=%d is not 1!\n",
+ msg[0].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
+ if (2 + msg[1].len > sizeof(buf6)) {
+ warn("i2c rd: len=%d is too big!\n",
+ msg[1].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
/* read si2109 register by number */
buf6[0] = msg[0].addr << 1;
buf6[1] = msg[0].len;
@@ -220,6 +234,13 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap,
case 1:
switch (msg[0].addr) {
case 0x68:
+ if (2 + msg[0].len > sizeof(buf6)) {
+ warn("i2c wr: len=%d is too big!\n",
+ msg[0].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
/* write to si2109 register */
buf6[0] = msg[0].addr << 1;
buf6[1] = msg[0].len;
@@ -263,6 +284,13 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms
/* first write first register number */
u8 ibuf[MAX_XFER_SIZE], obuf[3];

+ if (2 + msg[0].len != sizeof(obuf)) {
+ warn("i2c rd: len=%d is not 1!\n",
+ msg[0].len);
+ ret = -EOPNOTSUPP;
+ goto unlock;
+ }
+
if (2 + msg[1].len > sizeof(ibuf)) {
warn("i2c rd: len=%d is too big!\n",
msg[1].len);
@@ -463,6 +491,12 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
/* first write first register number */
u8 ibuf[MAX_XFER_SIZE], obuf[3];

+ if (2 + msg[0].len != sizeof(obuf)) {
+ warn("i2c rd: len=%d is not 1!\n",
+ msg[0].len);
+ ret = -EOPNOTSUPP;
+ goto unlock;
+ }
if (2 + msg[1].len > sizeof(ibuf)) {
warn("i2c rd: len=%d is too big!\n",
msg[1].len);
@@ -697,6 +731,13 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
msg[0].buf[0] = state->data[1];
break;
default:
+ if (3 + msg[0].len > sizeof(state->data)) {
+ warn("i2c wr: len=%d is too big!\n",
+ msg[0].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
/* always i2c write*/
state->data[0] = 0x08;
state->data[1] = msg[0].addr;
@@ -712,6 +753,19 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
break;
case 2:
/* always i2c read */
+ if (4 + msg[0].len > sizeof(state->data)) {
+ warn("i2c rd: len=%d is too big!\n",
+ msg[0].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+ if (1 + msg[1].len > sizeof(state->data)) {
+ warn("i2c rd: len=%d is too big!\n",
+ msg[1].len);
+ num = -EOPNOTSUPP;
+ break;
+ }
+
state->data[0] = 0x09;
state->data[1] = msg[0].len;
state->data[2] = msg[1].len;
diff --git a/drivers/media/usb/dvb-usb/ttusb2.c b/drivers/media/usb/dvb-usb/ttusb2.c
index ecc207fbaf3c..9e0d6a4166d2 100644
--- a/drivers/media/usb/dvb-usb/ttusb2.c
+++ b/drivers/media/usb/dvb-usb/ttusb2.c
@@ -78,6 +78,9 @@ static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
u8 *s, *r = NULL;
int ret = 0;

+ if (4 + rlen > 64)
+ return -EIO;
+
s = kzalloc(wlen+4, GFP_KERNEL);
if (!s)
return -ENOMEM;
@@ -381,6 +384,22 @@ static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
write_read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
read = msg[i].flags & I2C_M_RD;

+ if (3 + msg[i].len > sizeof(obuf)) {
+ err("i2c wr len=%d too high", msg[i].len);
+ break;
+ }
+ if (write_read) {
+ if (3 + msg[i+1].len > sizeof(ibuf)) {
+ err("i2c rd len=%d too high", msg[i+1].len);
+ break;
+ }
+ } else if (read) {
+ if (3 + msg[i].len > sizeof(ibuf)) {
+ err("i2c rd len=%d too high", msg[i].len);
+ break;
+ }
+ }
+
obuf[0] = (msg[i].addr << 1) | (write_read | read);
if (read)
obuf[1] = 0;
diff --git a/drivers/media/usb/gspca/konica.c b/drivers/media/usb/gspca/konica.c
index 40aaaa9c5f30..78542fff403f 100644
--- a/drivers/media/usb/gspca/konica.c
+++ b/drivers/media/usb/gspca/konica.c
@@ -188,6 +188,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
return -EIO;
}

+ if (alt->desc.bNumEndpoints < 2)
+ return -ENODEV;
+
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);

n = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index c8b4eb2ee7a2..bfdf72355332 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -1506,7 +1506,14 @@ static int usbvision_probe(struct usb_interface *intf,
}

for (i = 0; i < usbvision->num_alt; i++) {
- u16 tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
+ u16 tmp;
+
+ if (uif->altsetting[i].desc.bNumEndpoints < 2) {
+ ret = -ENODEV;
+ goto err_pkt;
+ }
+
+ tmp = le16_to_cpu(uif->altsetting[i].endpoint[1].desc.
wMaxPacketSize);
usbvision->alt_max_pkt_size[i] =
(tmp & 0x07ff) * (((tmp & 0x1800) >> 11) + 1);
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c
index cc128db85723..e3735bfcc02f 100644
--- a/drivers/media/usb/zr364xx/zr364xx.c
+++ b/drivers/media/usb/zr364xx/zr364xx.c
@@ -604,6 +604,14 @@ static int zr364xx_read_video_callback(struct zr364xx_camera *cam,
ptr = pdest = frm->lpvbits;

if (frm->ulState == ZR364XX_READ_IDLE) {
+ if (purb->actual_length < 128) {
+ /* header incomplete */
+ dev_info(&cam->udev->dev,
+ "%s: buffer (%d bytes) too small to hold jpeg header. Discarding.\n",
+ __func__, purb->actual_length);
+ return -EINVAL;
+ }
+
frm->ulState = ZR364XX_READ_FRAME;
frm->cur_size = 0;

diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index dd99b06e121a..fa4fe02cfef4 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -1496,8 +1496,6 @@ static int cxl_configure_adapter(struct cxl *adapter, struct pci_dev *dev)
if ((rc = cxl_native_register_psl_err_irq(adapter)))
goto err;

- /* Release the context lock as adapter is configured */
- cxl_adapter_context_unlock(adapter);
return 0;

err:
@@ -1596,6 +1594,9 @@ static struct cxl *cxl_pci_init_adapter(struct pci_dev *dev)
if ((rc = cxl_sysfs_adapter_add(adapter)))
goto err_put1;

+ /* Release the context lock as adapter is configured */
+ cxl_adapter_context_unlock(adapter);
+
return adapter;

err_put1:
@@ -1778,7 +1779,7 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,
{
struct cxl *adapter = pci_get_drvdata(pdev);
struct cxl_afu *afu;
- pci_ers_result_t result = PCI_ERS_RESULT_NEED_RESET;
+ pci_ers_result_t result = PCI_ERS_RESULT_NEED_RESET, afu_result;
int i;

/* At this point, we could still have an interrupt pending.
@@ -1883,16 +1884,26 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev,
for (i = 0; i < adapter->slices; i++) {
afu = adapter->afu[i];

- result = cxl_vphb_error_detected(afu, state);
-
- /* Only continue if everyone agrees on NEED_RESET */
- if (result != PCI_ERS_RESULT_NEED_RESET)
- return result;
+ afu_result = cxl_vphb_error_detected(afu, state);

cxl_context_detach_all(afu);
cxl_ops->afu_deactivate_mode(afu, afu->current_mode);
pci_deconfigure_afu(afu);
+
+ /* Disconnect trumps all, NONE trumps NEED_RESET */
+ if (afu_result == PCI_ERS_RESULT_DISCONNECT)
+ result = PCI_ERS_RESULT_DISCONNECT;
+ else if ((afu_result == PCI_ERS_RESULT_NONE) &&
+ (result == PCI_ERS_RESULT_NEED_RESET))
+ result = PCI_ERS_RESULT_NONE;
}
+
+ /* should take the context lock here */
+ if (cxl_adapter_context_lock(adapter) != 0)
+ dev_warn(&adapter->dev,
+ "Couldn't take context lock with %d active-contexts\n",
+ atomic_read(&adapter->contexts_num));
+
cxl_deconfigure_adapter(adapter);

return result;
@@ -1911,6 +1922,13 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev)
if (cxl_configure_adapter(adapter, pdev))
goto err;

+ /*
+ * Unlock context activation for the adapter. Ideally this should be
+ * done in cxl_pci_resume but cxlflash module tries to activate the
+ * master context as part of slot_reset callback.
+ */
+ cxl_adapter_context_unlock(adapter);
+
for (i = 0; i < adapter->slices; i++) {
afu = adapter->afu[i];

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 3bde96a3f7bf..f222f8a7ba52 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -138,6 +138,74 @@ const struct mtd_ooblayout_ops nand_ooblayout_lp_ops = {
};
EXPORT_SYMBOL_GPL(nand_ooblayout_lp_ops);

+/*
+ * Support the old "large page" layout used for 1-bit Hamming ECC where ECC
+ * are placed at a fixed offset.
+ */
+static int nand_ooblayout_ecc_lp_hamming(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct nand_ecc_ctrl *ecc = &chip->ecc;
+
+ if (section)
+ return -ERANGE;
+
+ switch (mtd->oobsize) {
+ case 64:
+ oobregion->offset = 40;
+ break;
+ case 128:
+ oobregion->offset = 80;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ oobregion->length = ecc->total;
+ if (oobregion->offset + oobregion->length > mtd->oobsize)
+ return -ERANGE;
+
+ return 0;
+}
+
+static int nand_ooblayout_free_lp_hamming(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+ struct nand_ecc_ctrl *ecc = &chip->ecc;
+ int ecc_offset = 0;
+
+ if (section < 0 || section > 1)
+ return -ERANGE;
+
+ switch (mtd->oobsize) {
+ case 64:
+ ecc_offset = 40;
+ break;
+ case 128:
+ ecc_offset = 80;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (section == 0) {
+ oobregion->offset = 2;
+ oobregion->length = ecc_offset - 2;
+ } else {
+ oobregion->offset = ecc_offset + ecc->total;
+ oobregion->length = mtd->oobsize - oobregion->offset;
+ }
+
+ return 0;
+}
+
+const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = {
+ .ecc = nand_ooblayout_ecc_lp_hamming,
+ .free = nand_ooblayout_free_lp_hamming,
+};
+
static int check_offs_len(struct mtd_info *mtd,
loff_t ofs, uint64_t len)
{
@@ -4565,7 +4633,7 @@ int nand_scan_tail(struct mtd_info *mtd)
break;
case 64:
case 128:
- mtd_set_ooblayout(mtd, &nand_ooblayout_lp_ops);
+ mtd_set_ooblayout(mtd, &nand_ooblayout_lp_hamming_ops);
break;
default:
WARN(1, "No oob scheme defined for oobsize %d\n",
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 5513bfd9cdc9..c178cb0dd219 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1856,6 +1856,15 @@ static int omap_nand_probe(struct platform_device *pdev)
nand_chip->ecc.priv = NULL;
nand_set_flash_node(nand_chip, dev->of_node);

+ if (!mtd->name) {
+ mtd->name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
+ "omap2-nand.%d", info->gpmc_cs);
+ if (!mtd->name) {
+ dev_err(&pdev->dev, "Failed to set MTD name\n");
+ return -ENOMEM;
+ }
+ }
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
nand_chip->IO_ADDR_R = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(nand_chip->IO_ADDR_R))
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index 40a7c4a2cf0d..af2f09135fb0 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -23,6 +23,11 @@
#include <asm/sizes.h>
#include <linux/platform_data/mtd-orion_nand.h>

+struct orion_nand_info {
+ struct nand_chip chip;
+ struct clk *clk;
+};
+
static void orion_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *nc = mtd_to_nand(mtd);
@@ -75,20 +80,21 @@ static void orion_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)

static int __init orion_nand_probe(struct platform_device *pdev)
{
+ struct orion_nand_info *info;
struct mtd_info *mtd;
struct nand_chip *nc;
struct orion_nand_data *board;
struct resource *res;
- struct clk *clk;
void __iomem *io_base;
int ret = 0;
u32 val = 0;

- nc = devm_kzalloc(&pdev->dev,
- sizeof(struct nand_chip),
+ info = devm_kzalloc(&pdev->dev,
+ sizeof(struct orion_nand_info),
GFP_KERNEL);
- if (!nc)
+ if (!info)
return -ENOMEM;
+ nc = &info->chip;
mtd = nand_to_mtd(nc);

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -145,15 +151,13 @@ static int __init orion_nand_probe(struct platform_device *pdev)
if (board->dev_ready)
nc->dev_ready = board->dev_ready;

- platform_set_drvdata(pdev, mtd);
+ platform_set_drvdata(pdev, info);

/* Not all platforms can gate the clock, so it is not
an error if the clock does not exists. */
- clk = clk_get(&pdev->dev, NULL);
- if (!IS_ERR(clk)) {
- clk_prepare_enable(clk);
- clk_put(clk);
- }
+ info->clk = devm_clk_get(&pdev->dev, NULL);
+ if (!IS_ERR(info->clk))
+ clk_prepare_enable(info->clk);

if (nand_scan(mtd, 1)) {
ret = -ENXIO;
@@ -170,26 +174,22 @@ static int __init orion_nand_probe(struct platform_device *pdev)
return 0;

no_dev:
- if (!IS_ERR(clk)) {
- clk_disable_unprepare(clk);
- clk_put(clk);
- }
+ if (!IS_ERR(info->clk))
+ clk_disable_unprepare(info->clk);

return ret;
}

static int orion_nand_remove(struct platform_device *pdev)
{
- struct mtd_info *mtd = platform_get_drvdata(pdev);
- struct clk *clk;
+ struct orion_nand_info *info = platform_get_drvdata(pdev);
+ struct nand_chip *chip = &info->chip;
+ struct mtd_info *mtd = nand_to_mtd(chip);

nand_release(mtd);

- clk = clk_get(&pdev->dev, NULL);
- if (!IS_ERR(clk)) {
- clk_disable_unprepare(clk);
- clk_put(clk);
- }
+ if (!IS_ERR(info->clk))
+ clk_disable_unprepare(info->clk);

return 0;
}
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 8716b8c07feb..6f3c805f7211 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1077,7 +1077,7 @@ static int stir421x_patch_device(struct irda_usb_cb *self)
* are "42101001.sb" or "42101002.sb"
*/
sprintf(stir421x_fw_name, "4210%4X.sb",
- self->usbdev->descriptor.bcdDevice);
+ le16_to_cpu(self->usbdev->descriptor.bcdDevice));
ret = request_firmware(&fw, stir421x_fw_name, &self->usbdev->dev);
if (ret < 0)
return ret;
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index e1c338cb9cb5..f15589c70284 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -37,6 +37,7 @@ static struct usb_device_id ath9k_hif_usb_ids[] = {
{ USB_DEVICE(0x0cf3, 0xb002) }, /* Ubiquiti WifiStation */
{ USB_DEVICE(0x057c, 0x8403) }, /* AVM FRITZ!WLAN 11N v2 USB */
{ USB_DEVICE(0x0471, 0x209e) }, /* Philips (or NXP) PTA01 */
+ { USB_DEVICE(0x1eda, 0x2315) }, /* AirTies */

{ USB_DEVICE(0x0cf3, 0x7015),
.driver_info = AR9287_USB }, /* Atheros */
@@ -1218,6 +1219,9 @@ static int send_eject_command(struct usb_interface *interface)
u8 bulk_out_ep;
int r;

+ if (iface_desc->desc.bNumEndpoints < 2)
+ return -ENODEV;
+
/* Find bulk out endpoint */
for (r = 1; r >= 0; r--) {
endpoint = &iface_desc->endpoint[r].desc;
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index 16241d21727b..afdbbf59a278 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -2512,9 +2512,11 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
priv->random_mac[i] |= get_random_int() &
~(request->mac_addr_mask[i]);
}
+ ether_addr_copy(user_scan_cfg->random_mac, priv->random_mac);
+ } else {
+ eth_zero_addr(priv->random_mac);
}

- ether_addr_copy(user_scan_cfg->random_mac, priv->random_mac);
user_scan_cfg->num_ssids = request->n_ssids;
user_scan_cfg->ssid_list = request->ssids;

diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 7a310c491ea5..1fdb86cd4734 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -995,6 +995,7 @@ static int mwifiex_pcie_delete_cmdrsp_buf(struct mwifiex_adapter *adapter)
if (card && card->cmd_buf) {
mwifiex_unmap_pci_memory(adapter, card->cmd_buf,
PCI_DMA_TODEVICE);
+ dev_kfree_skb_any(card->cmd_buf);
}
return 0;
}
@@ -1561,6 +1562,11 @@ mwifiex_pcie_send_cmd(struct mwifiex_adapter *adapter, struct sk_buff *skb)
return -1;

card->cmd_buf = skb;
+ /*
+ * Need to keep a reference, since core driver might free up this
+ * buffer before we've unmapped it.
+ */
+ skb_get(skb);

/* To send a command, the driver will:
1. Write the 64bit physical address of the data buffer to
@@ -1658,6 +1664,7 @@ static int mwifiex_pcie_process_cmd_complete(struct mwifiex_adapter *adapter)
if (card->cmd_buf) {
mwifiex_unmap_pci_memory(adapter, card->cmd_buf,
PCI_DMA_TODEVICE);
+ dev_kfree_skb_any(card->cmd_buf);
card->cmd_buf = NULL;
}

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
index 5dad402171c2..a74fad6e53c1 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/phy.c
@@ -359,6 +359,107 @@ bool rtl8821ae_phy_rf_config(struct ieee80211_hw *hw)
return rtl8821ae_phy_rf6052_config(hw);
}

+static void _rtl8812ae_phy_set_rfe_reg_24g(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ u8 tmp;
+
+ switch (rtlhal->rfe_type) {
+ case 3:
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD, 0x54337770);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x54337770);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x010);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x010);
+ rtl_set_bbreg(hw, 0x900, 0x00000303, 0x1);
+ break;
+ case 4:
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD, 0x77777777);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x77777777);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x001);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x001);
+ break;
+ case 5:
+ rtl_write_byte(rtlpriv, RA_RFE_PINMUX + 2, 0x77);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x77777777);
+ tmp = rtl_read_byte(rtlpriv, RA_RFE_INV + 3);
+ rtl_write_byte(rtlpriv, RA_RFE_INV + 3, tmp & ~0x1);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x000);
+ break;
+ case 1:
+ if (rtlpriv->btcoexist.bt_coexistence) {
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, 0xffffff, 0x777777);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD,
+ 0x77777777);
+ rtl_set_bbreg(hw, RA_RFE_INV, 0x33f00000, 0x000);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x000);
+ break;
+ }
+ case 0:
+ case 2:
+ default:
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD, 0x77777777);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x77777777);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x000);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x000);
+ break;
+ }
+}
+
+static void _rtl8812ae_phy_set_rfe_reg_5g(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ u8 tmp;
+
+ switch (rtlhal->rfe_type) {
+ case 0:
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD, 0x77337717);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x77337717);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x010);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x010);
+ break;
+ case 1:
+ if (rtlpriv->btcoexist.bt_coexistence) {
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, 0xffffff, 0x337717);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD,
+ 0x77337717);
+ rtl_set_bbreg(hw, RA_RFE_INV, 0x33f00000, 0x000);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x000);
+ } else {
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD,
+ 0x77337717);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD,
+ 0x77337717);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x000);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x000);
+ }
+ break;
+ case 3:
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD, 0x54337717);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x54337717);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x010);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x010);
+ rtl_set_bbreg(hw, 0x900, 0x00000303, 0x1);
+ break;
+ case 5:
+ rtl_write_byte(rtlpriv, RA_RFE_PINMUX + 2, 0x33);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x77337777);
+ tmp = rtl_read_byte(rtlpriv, RA_RFE_INV + 3);
+ rtl_write_byte(rtlpriv, RA_RFE_INV + 3, tmp | 0x1);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x010);
+ break;
+ case 2:
+ case 4:
+ default:
+ rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD, 0x77337777);
+ rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD, 0x77337777);
+ rtl_set_bbreg(hw, RA_RFE_INV, BMASKRFEINV, 0x010);
+ rtl_set_bbreg(hw, RB_RFE_INV, BMASKRFEINV, 0x010);
+ break;
+ }
+}
+
u32 phy_get_tx_swing_8812A(struct ieee80211_hw *hw, u8 band,
u8 rf_path)
{
@@ -553,14 +654,9 @@ void rtl8821ae_phy_switch_wirelessband(struct ieee80211_hw *hw, u8 band)
/* 0x82C[1:0] = 2b'00 */
rtl_set_bbreg(hw, 0x82c, 0x3, 0);
}
- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
- rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD,
- 0x77777777);
- rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD,
- 0x77777777);
- rtl_set_bbreg(hw, RA_RFE_INV, 0x3ff00000, 0x000);
- rtl_set_bbreg(hw, RB_RFE_INV, 0x3ff00000, 0x000);
- }
+
+ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
+ _rtl8812ae_phy_set_rfe_reg_24g(hw);

rtl_set_bbreg(hw, RTXPATH, 0xf0, 0x1);
rtl_set_bbreg(hw, RCCK_RX, 0x0f000000, 0x1);
@@ -615,14 +711,8 @@ void rtl8821ae_phy_switch_wirelessband(struct ieee80211_hw *hw, u8 band)
/* 0x82C[1:0] = 2'b00 */
rtl_set_bbreg(hw, 0x82c, 0x3, 1);

- if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
- rtl_set_bbreg(hw, RA_RFE_PINMUX, BMASKDWORD,
- 0x77337777);
- rtl_set_bbreg(hw, RB_RFE_PINMUX, BMASKDWORD,
- 0x77337777);
- rtl_set_bbreg(hw, RA_RFE_INV, 0x3ff00000, 0x010);
- rtl_set_bbreg(hw, RB_RFE_INV, 0x3ff00000, 0x010);
- }
+ if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
+ _rtl8812ae_phy_set_rfe_reg_5g(hw);

rtl_set_bbreg(hw, RTXPATH, 0xf0, 0);
rtl_set_bbreg(hw, RCCK_RX, 0x0f000000, 0xf);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/reg.h b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/reg.h
index 1d6110f9c1fb..ed69dbe178ff 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/reg.h
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/reg.h
@@ -2424,6 +2424,7 @@
#define BMASKH4BITS 0xf0000000
#define BMASKOFDM_D 0xffc00000
#define BMASKCCK 0x3f3f3f3f
+#define BMASKRFEINV 0x3ff00000

#define BRFREGOFFSETMASK 0xfffff

diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index 351bac8f6503..0392eb8a0dea 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -218,7 +218,10 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys,
if (cmd_rc < 0)
return cmd_rc;

- nvdimm_clear_from_poison_list(nvdimm_bus, phys, len);
+ if (clear_err.cleared > 0)
+ nvdimm_clear_from_poison_list(nvdimm_bus, phys,
+ clear_err.cleared);
+
return clear_err.cleared;
}
EXPORT_SYMBOL_GPL(nvdimm_clear_poison);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 8a9c186898c7..14eac73e8dbc 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1384,6 +1384,11 @@ static inline void nvme_release_cmb(struct nvme_dev *dev)
if (dev->cmb) {
iounmap(dev->cmb);
dev->cmb = NULL;
+ if (dev->cmbsz) {
+ sysfs_remove_file_from_group(&dev->ctrl.device->kobj,
+ &dev_attr_cmb.attr, NULL);
+ dev->cmbsz = 0;
+ }
}
}

@@ -1655,6 +1660,7 @@ static void nvme_pci_disable(struct nvme_dev *dev)
{
struct pci_dev *pdev = to_pci_dev(dev->dev);

+ nvme_release_cmb(dev);
pci_free_irq_vectors(pdev);

if (pci_is_enabled(pdev)) {
@@ -1993,7 +1999,6 @@ static void nvme_remove(struct pci_dev *pdev)
nvme_dev_disable(dev, true);
nvme_dev_remove_admin(dev);
nvme_free_queues(dev, 0);
- nvme_release_cmb(dev);
nvme_release_prp_pools(dev);
nvme_dev_unmap(dev);
nvme_put_ctrl(&dev->ctrl);
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 02b2903fe9d2..72914cdfce2a 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -263,7 +263,7 @@ struct of_pci_range *of_pci_range_parser_one(struct of_pci_range_parser *parser,
if (!parser->range || parser->range + parser->np > parser->end)
return NULL;

- range->pci_space = parser->range[0];
+ range->pci_space = be32_to_cpup(parser->range);
range->flags = of_bus_pci_get_flags(parser->range);
range->pci_addr = of_read_number(parser->range + 1, ns);
range->cpu_addr = of_translate_address(parser->node,
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c89d5d231a0e..6a43fd3d0576 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -505,6 +505,9 @@ static void *__unflatten_device_tree(const void *blob,

/* Allocate memory for the expanded device tree */
mem = dt_alloc(size + 4, __alignof__(struct device_node));
+ if (!mem)
+ return NULL;
+
memset(mem, 0, size);

*(__be32 *)(mem + size) = cpu_to_be32(0xdeadbeef);
diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index a53982a330ea..2db1f7a04baf 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -57,6 +57,8 @@ static void __init of_numa_parse_cpu_nodes(void)
else
node_set(nid, numa_nodes_parsed);
}
+
+ of_node_put(cpus);
}

static int __init of_numa_parse_memory_nodes(void)
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c
index 61fc349c96d4..dafb4cdb2b7f 100644
--- a/drivers/pci/host/pci-hyperv.c
+++ b/drivers/pci/host/pci-hyperv.c
@@ -72,6 +72,7 @@ enum {
PCI_PROTOCOL_VERSION_CURRENT = PCI_PROTOCOL_VERSION_1_1
};

+#define CPU_AFFINITY_ALL -1ULL
#define PCI_CONFIG_MMIO_LENGTH 0x2000
#define CFG_PAGE_OFFSET 0x1000
#define CFG_PAGE_SIZE (PCI_CONFIG_MMIO_LENGTH - CFG_PAGE_OFFSET)
@@ -868,7 +869,7 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
hv_int_desc_free(hpdev, int_desc);
}

- int_desc = kzalloc(sizeof(*int_desc), GFP_KERNEL);
+ int_desc = kzalloc(sizeof(*int_desc), GFP_ATOMIC);
if (!int_desc)
goto drop_reference;

@@ -889,9 +890,13 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
* processors because Hyper-V only supports 64 in a guest.
*/
affinity = irq_data_get_affinity_mask(data);
- for_each_cpu_and(cpu, affinity, cpu_online_mask) {
- int_pkt->int_desc.cpu_mask |=
- (1ULL << vmbus_cpu_number_to_vp_number(cpu));
+ if (cpumask_weight(affinity) >= 32) {
+ int_pkt->int_desc.cpu_mask = CPU_AFFINITY_ALL;
+ } else {
+ for_each_cpu_and(cpu, affinity, cpu_online_mask) {
+ int_pkt->int_desc.cpu_mask |=
+ (1ULL << vmbus_cpu_number_to_vp_number(cpu));
+ }
}

ret = vmbus_sendpacket(hpdev->hbus->hdev->channel, int_pkt,
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index bcd10c795284..1b0786555394 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -974,15 +974,19 @@ void pci_remove_legacy_files(struct pci_bus *b)
int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vma,
enum pci_mmap_api mmap_api)
{
- unsigned long nr, start, size, pci_start;
+ unsigned long nr, start, size;
+ resource_size_t pci_start = 0, pci_end;

if (pci_resource_len(pdev, resno) == 0)
return 0;
nr = vma_pages(vma);
start = vma->vm_pgoff;
size = ((pci_resource_len(pdev, resno) - 1) >> PAGE_SHIFT) + 1;
- pci_start = (mmap_api == PCI_MMAP_PROCFS) ?
- pci_resource_start(pdev, resno) >> PAGE_SHIFT : 0;
+ if (mmap_api == PCI_MMAP_PROCFS) {
+ pci_resource_to_user(pdev, resno, &pdev->resource[resno],
+ &pci_start, &pci_end);
+ pci_start >>= PAGE_SHIFT;
+ }
if (start >= pci_start && start < pci_start + size &&
start + nr <= pci_start + size)
return 1;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 6922964e3dff..579c4946dc6e 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1782,8 +1782,8 @@ static void pci_pme_list_scan(struct work_struct *work)
}
}
if (!list_empty(&pci_pme_list))
- schedule_delayed_work(&pci_pme_work,
- msecs_to_jiffies(PME_TIMEOUT));
+ queue_delayed_work(system_freezable_wq, &pci_pme_work,
+ msecs_to_jiffies(PME_TIMEOUT));
mutex_unlock(&pci_pme_list_mutex);
}

@@ -1848,8 +1848,9 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
mutex_lock(&pci_pme_list_mutex);
list_add(&pme_dev->list, &pci_pme_list);
if (list_is_singular(&pci_pme_list))
- schedule_delayed_work(&pci_pme_work,
- msecs_to_jiffies(PME_TIMEOUT));
+ queue_delayed_work(system_freezable_wq,
+ &pci_pme_work,
+ msecs_to_jiffies(PME_TIMEOUT));
mutex_unlock(&pci_pme_list_mutex);
} else {
mutex_lock(&pci_pme_list_mutex);
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 2408abe4ee8c..66c886365fbc 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -231,24 +231,33 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma)
{
struct pci_dev *dev = PDE_DATA(file_inode(file));
struct pci_filp_private *fpriv = file->private_data;
- int i, ret, write_combine;
+ int i, ret, write_combine = 0, res_bit;

if (!capable(CAP_SYS_RAWIO))
return -EPERM;

+ if (fpriv->mmap_state == pci_mmap_io)
+ res_bit = IORESOURCE_IO;
+ else
+ res_bit = IORESOURCE_MEM;
+
/* Make sure the caller is mapping a real resource for this device */
for (i = 0; i < PCI_ROM_RESOURCE; i++) {
- if (pci_mmap_fits(dev, i, vma, PCI_MMAP_PROCFS))
+ if (dev->resource[i].flags & res_bit &&
+ pci_mmap_fits(dev, i, vma, PCI_MMAP_PROCFS))
break;
}

if (i >= PCI_ROM_RESOURCE)
return -ENODEV;

- if (fpriv->mmap_state == pci_mmap_mem)
- write_combine = fpriv->write_combine;
- else
- write_combine = 0;
+ if (fpriv->mmap_state == pci_mmap_mem &&
+ fpriv->write_combine) {
+ if (dev->resource[i].flags & IORESOURCE_PREFETCH)
+ write_combine = 1;
+ else
+ return -EINVAL;
+ }
ret = pci_mmap_page_range(dev, vma,
fpriv->mmap_state, write_combine);
if (ret < 0)
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 3314bf299a51..dfa8d50a5d74 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -520,7 +520,7 @@ static const struct regulator_desc rk818_reg[] = {
RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
BIT(0), 400),
RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
- RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ RK818_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
BIT(1), 400),
{
.name = "LDO_REG3",
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index d2c3d7cc35f5..5ca6d2130593 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -311,8 +311,7 @@ static int tps_65023_probe(struct i2c_client *client,

/* Enable setting output voltage by I2C */
regmap_update_bits(tps->regmap, TPS65023_REG_CON_CTRL2,
- TPS65023_REG_CTRL2_CORE_ADJ,
- TPS65023_REG_CTRL2_CORE_ADJ);
+ TPS65023_REG_CTRL2_CORE_ADJ, 0);

return 0;
}
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index c4fe95a25621..904422f5b62f 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -1169,6 +1169,7 @@ static struct ibmvscsis_cmd *ibmvscsis_get_free_cmd(struct scsi_info *vscsi)
cmd = list_first_entry_or_null(&vscsi->free_cmd,
struct ibmvscsis_cmd, list);
if (cmd) {
+ cmd->flags &= ~(DELAY_SEND);
list_del(&cmd->list);
cmd->iue = iue;
cmd->type = UNSET_TYPE;
@@ -1748,45 +1749,79 @@ static void srp_snd_msg_failed(struct scsi_info *vscsi, long rc)
static void ibmvscsis_send_messages(struct scsi_info *vscsi)
{
u64 msg_hi = 0;
- /* note do not attmempt to access the IU_data_ptr with this pointer
+ /* note do not attempt to access the IU_data_ptr with this pointer
* it is not valid
*/
struct viosrp_crq *crq = (struct viosrp_crq *)&msg_hi;
struct ibmvscsis_cmd *cmd, *nxt;
struct iu_entry *iue;
long rc = ADAPT_SUCCESS;
+ bool retry = false;

if (!(vscsi->flags & RESPONSE_Q_DOWN)) {
- list_for_each_entry_safe(cmd, nxt, &vscsi->waiting_rsp, list) {
- iue = cmd->iue;
+ do {
+ retry = false;
+ list_for_each_entry_safe(cmd, nxt, &vscsi->waiting_rsp,
+ list) {
+ /*
+ * Check to make sure abort cmd gets processed
+ * prior to the abort tmr cmd
+ */
+ if (cmd->flags & DELAY_SEND)
+ continue;

- crq->valid = VALID_CMD_RESP_EL;
- crq->format = cmd->rsp.format;
+ if (cmd->abort_cmd) {
+ retry = true;
+ cmd->abort_cmd->flags &= ~(DELAY_SEND);
+ }

- if (cmd->flags & CMD_FAST_FAIL)
- crq->status = VIOSRP_ADAPTER_FAIL;
+ /*
+ * If CMD_T_ABORTED w/o CMD_T_TAS scenarios and
+ * the case where LIO issued a
+ * ABORT_TASK: Sending TMR_TASK_DOES_NOT_EXIST
+ * case then we dont send a response, since it
+ * was already done.
+ */
+ if (cmd->se_cmd.transport_state & CMD_T_ABORTED &&
+ !(cmd->se_cmd.transport_state & CMD_T_TAS)) {
+ list_del(&cmd->list);
+ ibmvscsis_free_cmd_resources(vscsi,
+ cmd);
+ } else {
+ iue = cmd->iue;

- crq->IU_length = cpu_to_be16(cmd->rsp.len);
+ crq->valid = VALID_CMD_RESP_EL;
+ crq->format = cmd->rsp.format;

- rc = h_send_crq(vscsi->dma_dev->unit_address,
- be64_to_cpu(msg_hi),
- be64_to_cpu(cmd->rsp.tag));
+ if (cmd->flags & CMD_FAST_FAIL)
+ crq->status = VIOSRP_ADAPTER_FAIL;

- pr_debug("send_messages: cmd %p, tag 0x%llx, rc %ld\n",
- cmd, be64_to_cpu(cmd->rsp.tag), rc);
+ crq->IU_length = cpu_to_be16(cmd->rsp.len);

- /* if all ok free up the command element resources */
- if (rc == H_SUCCESS) {
- /* some movement has occurred */
- vscsi->rsp_q_timer.timer_pops = 0;
- list_del(&cmd->list);
+ rc = h_send_crq(vscsi->dma_dev->unit_address,
+ be64_to_cpu(msg_hi),
+ be64_to_cpu(cmd->rsp.tag));

- ibmvscsis_free_cmd_resources(vscsi, cmd);
- } else {
- srp_snd_msg_failed(vscsi, rc);
- break;
+ pr_debug("send_messages: cmd %p, tag 0x%llx, rc %ld\n",
+ cmd, be64_to_cpu(cmd->rsp.tag), rc);
+
+ /* if all ok free up the command
+ * element resources
+ */
+ if (rc == H_SUCCESS) {
+ /* some movement has occurred */
+ vscsi->rsp_q_timer.timer_pops = 0;
+ list_del(&cmd->list);
+
+ ibmvscsis_free_cmd_resources(vscsi,
+ cmd);
+ } else {
+ srp_snd_msg_failed(vscsi, rc);
+ break;
+ }
+ }
}
- }
+ } while (retry);

if (!rc) {
/*
@@ -2707,6 +2742,7 @@ static int ibmvscsis_alloc_cmds(struct scsi_info *vscsi, int num)

for (i = 0, cmd = (struct ibmvscsis_cmd *)vscsi->cmd_pool; i < num;
i++, cmd++) {
+ cmd->abort_cmd = NULL;
cmd->adapter = vscsi;
INIT_WORK(&cmd->work, ibmvscsis_scheduler);
list_add_tail(&cmd->list, &vscsi->free_cmd);
@@ -3578,9 +3614,20 @@ static int ibmvscsis_write_pending(struct se_cmd *se_cmd)
{
struct ibmvscsis_cmd *cmd = container_of(se_cmd, struct ibmvscsis_cmd,
se_cmd);
+ struct scsi_info *vscsi = cmd->adapter;
struct iu_entry *iue = cmd->iue;
int rc;

+ /*
+ * If CLIENT_FAILED OR RESPONSE_Q_DOWN, then just return success
+ * since LIO can't do anything about it, and we dont want to
+ * attempt an srp_transfer_data.
+ */
+ if ((vscsi->flags & (CLIENT_FAILED | RESPONSE_Q_DOWN))) {
+ pr_err("write_pending failed since: %d\n", vscsi->flags);
+ return 0;
+ }
+
rc = srp_transfer_data(cmd, &vio_iu(iue)->srp.cmd, ibmvscsis_rdma,
1, 1);
if (rc) {
@@ -3659,11 +3706,28 @@ static void ibmvscsis_queue_tm_rsp(struct se_cmd *se_cmd)
struct ibmvscsis_cmd *cmd = container_of(se_cmd, struct ibmvscsis_cmd,
se_cmd);
struct scsi_info *vscsi = cmd->adapter;
+ struct ibmvscsis_cmd *cmd_itr;
+ struct iu_entry *iue = iue = cmd->iue;
+ struct srp_tsk_mgmt *srp_tsk = &vio_iu(iue)->srp.tsk_mgmt;
+ u64 tag_to_abort = be64_to_cpu(srp_tsk->task_tag);
uint len;

pr_debug("queue_tm_rsp %p, status %d\n",
se_cmd, (int)se_cmd->se_tmr_req->response);

+ if (srp_tsk->tsk_mgmt_func == SRP_TSK_ABORT_TASK &&
+ cmd->se_cmd.se_tmr_req->response == TMR_TASK_DOES_NOT_EXIST) {
+ spin_lock_bh(&vscsi->intr_lock);
+ list_for_each_entry(cmd_itr, &vscsi->active_q, list) {
+ if (tag_to_abort == cmd_itr->se_cmd.tag) {
+ cmd_itr->abort_cmd = cmd;
+ cmd->flags |= DELAY_SEND;
+ break;
+ }
+ }
+ spin_unlock_bh(&vscsi->intr_lock);
+ }
+
srp_build_response(vscsi, cmd, &len);
cmd->rsp.format = SRP_FORMAT;
cmd->rsp.len = len;
@@ -3671,8 +3735,8 @@ static void ibmvscsis_queue_tm_rsp(struct se_cmd *se_cmd)

static void ibmvscsis_aborted_task(struct se_cmd *se_cmd)
{
- /* TBD: What (if anything) should we do here? */
- pr_debug("ibmvscsis_aborted_task %p\n", se_cmd);
+ pr_debug("ibmvscsis_aborted_task %p task_tag: %llu\n",
+ se_cmd, se_cmd->tag);
}

static struct se_wwn *ibmvscsis_make_tport(struct target_fabric_configfs *tf,
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h
index 98b0ca79a5c5..f5683affeff3 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.h
@@ -167,10 +167,12 @@ struct ibmvscsis_cmd {
struct iu_rsp rsp;
struct work_struct work;
struct scsi_info *adapter;
+ struct ibmvscsis_cmd *abort_cmd;
/* Sense buffer that will be mapped into outgoing status */
unsigned char sense_buf[TRANSPORT_SENSE_BUFFER];
u64 init_time;
#define CMD_FAST_FAIL BIT(0)
+#define DELAY_SEND BIT(1)
u32 flags;
char type;
};
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index 8d6bca61e7aa..591f2740e5af 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -97,8 +97,9 @@ void rtl92e_set_reg(struct net_device *dev, u8 variable, u8 *val)

switch (variable) {
case HW_VAR_BSSID:
- rtl92e_writel(dev, BSSIDR, ((u32 *)(val))[0]);
- rtl92e_writew(dev, BSSIDR+2, ((u16 *)(val+2))[0]);
+ /* BSSIDR 2 byte alignment */
+ rtl92e_writew(dev, BSSIDR, *(u16 *)val);
+ rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(val + 2));
break;

case HW_VAR_MEDIA_STATUS:
@@ -626,7 +627,7 @@ void rtl92e_get_eeprom_size(struct net_device *dev)
struct r8192_priv *priv = rtllib_priv(dev);

RT_TRACE(COMP_INIT, "===========>%s()\n", __func__);
- curCR = rtl92e_readl(dev, EPROM_CMD);
+ curCR = rtl92e_readw(dev, EPROM_CMD);
RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD,
curCR);
priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EEPROM_93C56 :
@@ -963,8 +964,8 @@ static void _rtl92e_net_update(struct net_device *dev)
rtl92e_config_rate(dev, &rate_config);
priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
priv->basic_rate = rate_config &= 0x15f;
- rtl92e_writel(dev, BSSIDR, ((u32 *)net->bssid)[0]);
- rtl92e_writew(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
+ rtl92e_writew(dev, BSSIDR, *(u16 *)net->bssid);
+ rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(net->bssid + 2));

if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
rtl92e_writew(dev, ATIMWND, 2);
@@ -1184,8 +1185,7 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc,
struct cb_desc *cb_desc, struct sk_buff *skb)
{
struct r8192_priv *priv = rtllib_priv(dev);
- dma_addr_t mapping = pci_map_single(priv->pdev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
+ dma_addr_t mapping;
struct tx_fwinfo_8190pci *pTxFwInfo;

pTxFwInfo = (struct tx_fwinfo_8190pci *)skb->data;
@@ -1196,8 +1196,6 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc,
pTxFwInfo->Short = _rtl92e_query_is_short(pTxFwInfo->TxHT,
pTxFwInfo->TxRate, cb_desc);

- if (pci_dma_mapping_error(priv->pdev, mapping))
- netdev_err(dev, "%s(): DMA Mapping error\n", __func__);
if (cb_desc->bAMPDUEnable) {
pTxFwInfo->AllowAggregation = 1;
pTxFwInfo->RxMF = cb_desc->ampdu_factor;
@@ -1232,6 +1230,14 @@ void rtl92e_fill_tx_desc(struct net_device *dev, struct tx_desc *pdesc,
}

memset((u8 *)pdesc, 0, 12);
+
+ mapping = pci_map_single(priv->pdev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(priv->pdev, mapping)) {
+ netdev_err(dev, "%s(): DMA Mapping error\n", __func__);
+ return;
+ }
+
pdesc->LINIP = 0;
pdesc->CmdInit = 1;
pdesc->Offset = sizeof(struct tx_fwinfo_8190pci) + 8;
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c
index a966a8e490ab..4615a6f0128e 100644
--- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
@@ -306,11 +306,6 @@ static void MakeTSEntry(struct ts_common_info *pTsCommonInfo, u8 *Addr,
pTsCommonInfo->TClasNum = TCLAS_Num;
}

-static bool IsACValid(unsigned int tid)
-{
- return tid < 7;
-}
-
bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
u8 *Addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs)
{
@@ -328,12 +323,6 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
if (ieee->current_network.qos_data.supported == 0) {
UP = 0;
} else {
- if (!IsACValid(TID)) {
- netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n",
- __func__, TID);
- return false;
- }
-
switch (TID) {
case 0:
case 3:
@@ -351,6 +340,10 @@ bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS,
case 7:
UP = 7;
break;
+ default:
+ netdev_warn(ieee->dev, "%s(): TID(%d) is not valid\n",
+ __func__, TID);
+ return false;
}
}

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index c5ff13f22b24..a876d47246dc 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -311,6 +311,12 @@ static void acm_ctrl_irq(struct urb *urb)
break;

case USB_CDC_NOTIFY_SERIAL_STATE:
+ if (le16_to_cpu(dr->wLength) != 2) {
+ dev_dbg(&acm->control->dev,
+ "%s - malformed serial state\n", __func__);
+ break;
+ }
+
newctrl = get_unaligned_le16(data);

if (!acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
@@ -347,11 +353,10 @@ static void acm_ctrl_irq(struct urb *urb)

default:
dev_dbg(&acm->control->dev,
- "%s - unknown notification %d received: index %d "
- "len %d data0 %d data1 %d\n",
+ "%s - unknown notification %d received: index %d len %d\n",
__func__,
- dr->bNotificationType, dr->wIndex,
- dr->wLength, data[0], data[1]);
+ dr->bNotificationType, dr->wIndex, dr->wLength);
+
break;
}
exit:
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 4016dae7433b..840930b014f6 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -481,11 +481,11 @@ static void snoop_urb(struct usb_device *udev,

if (userurb) { /* Async */
if (when == SUBMIT)
- dev_info(&udev->dev, "userurb %p, ep%d %s-%s, "
+ dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, "
"length %u\n",
userurb, ep, t, d, length);
else
- dev_info(&udev->dev, "userurb %p, ep%d %s-%s, "
+ dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, "
"actual_length %u status %d\n",
userurb, ep, t, d, length,
timeout_or_status);
@@ -1905,7 +1905,7 @@ static int proc_reapurb(struct usb_dev_state *ps, void __user *arg)
if (as) {
int retval;

- snoop(&ps->dev->dev, "reap %p\n", as->userurb);
+ snoop(&ps->dev->dev, "reap %pK\n", as->userurb);
retval = processcompl(as, (void __user * __user *)arg);
free_async(as);
return retval;
@@ -1922,7 +1922,7 @@ static int proc_reapurbnonblock(struct usb_dev_state *ps, void __user *arg)

as = async_getcompleted(ps);
if (as) {
- snoop(&ps->dev->dev, "reap %p\n", as->userurb);
+ snoop(&ps->dev->dev, "reap %pK\n", as->userurb);
retval = processcompl(as, (void __user * __user *)arg);
free_async(as);
} else {
@@ -2053,7 +2053,7 @@ static int proc_reapurb_compat(struct usb_dev_state *ps, void __user *arg)
if (as) {
int retval;

- snoop(&ps->dev->dev, "reap %p\n", as->userurb);
+ snoop(&ps->dev->dev, "reap %pK\n", as->userurb);
retval = processcompl_compat(as, (void __user * __user *)arg);
free_async(as);
return retval;
@@ -2070,7 +2070,7 @@ static int proc_reapurbnonblock_compat(struct usb_dev_state *ps, void __user *ar

as = async_getcompleted(ps);
if (as) {
- snoop(&ps->dev->dev, "reap %p\n", as->userurb);
+ snoop(&ps->dev->dev, "reap %pK\n", as->userurb);
retval = processcompl_compat(as, (void __user * __user *)arg);
free_async(as);
} else {
@@ -2499,7 +2499,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
#endif

case USBDEVFS_DISCARDURB:
- snoop(&dev->dev, "%s: DISCARDURB %p\n", __func__, p);
+ snoop(&dev->dev, "%s: DISCARDURB %pK\n", __func__, p);
ret = proc_unlinkurb(ps, p);
break;

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index f029aad67183..3b9735abf2e0 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1722,7 +1722,7 @@ int usb_hcd_unlink_urb (struct urb *urb, int status)
if (retval == 0)
retval = -EINPROGRESS;
else if (retval != -EIDRM && retval != -EBUSY)
- dev_dbg(&udev->dev, "hcd_unlink_urb %p fail %d\n",
+ dev_dbg(&udev->dev, "hcd_unlink_urb %pK fail %d\n",
urb, retval);
usb_put_dev(udev);
}
@@ -1889,7 +1889,7 @@ void usb_hcd_flush_endpoint(struct usb_device *udev,
/* kick hcd */
unlink1(hcd, urb, -ESHUTDOWN);
dev_dbg (hcd->self.controller,
- "shutdown urb %p ep%d%s%s\n",
+ "shutdown urb %pK ep%d%s%s\n",
urb, usb_endpoint_num(&ep->desc),
is_in ? "in" : "out",
({ char *s;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 579900640faa..8714b352e57f 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -360,7 +360,8 @@ static void usb_set_lpm_parameters(struct usb_device *udev)
}

/* USB 2.0 spec Section 11.24.4.5 */
-static int get_hub_descriptor(struct usb_device *hdev, void *data)
+static int get_hub_descriptor(struct usb_device *hdev,
+ struct usb_hub_descriptor *desc)
{
int i, ret, size;
unsigned dtype;
@@ -376,10 +377,18 @@ static int get_hub_descriptor(struct usb_device *hdev, void *data)
for (i = 0; i < 3; i++) {
ret = usb_control_msg(hdev, usb_rcvctrlpipe(hdev, 0),
USB_REQ_GET_DESCRIPTOR, USB_DIR_IN | USB_RT_HUB,
- dtype << 8, 0, data, size,
+ dtype << 8, 0, desc, size,
USB_CTRL_GET_TIMEOUT);
- if (ret >= (USB_DT_HUB_NONVAR_SIZE + 2))
+ if (hub_is_superspeed(hdev)) {
+ if (ret == size)
+ return ret;
+ } else if (ret >= USB_DT_HUB_NONVAR_SIZE + 2) {
+ /* Make sure we have the DeviceRemovable field. */
+ size = USB_DT_HUB_NONVAR_SIZE + desc->bNbrPorts / 8 + 1;
+ if (ret < size)
+ return -EMSGSIZE;
return ret;
+ }
}
return -EINVAL;
}
@@ -1311,7 +1320,7 @@ static int hub_configure(struct usb_hub *hub,
}
mutex_init(&hub->status_mutex);

- hub->descriptor = kmalloc(sizeof(*hub->descriptor), GFP_KERNEL);
+ hub->descriptor = kzalloc(sizeof(*hub->descriptor), GFP_KERNEL);
if (!hub->descriptor) {
ret = -ENOMEM;
goto fail;
@@ -1319,7 +1328,7 @@ static int hub_configure(struct usb_hub *hub,

/* Request the entire hub descriptor.
* hub->descriptor can handle USB_MAXCHILDREN ports,
- * but the hub can/will return fewer bytes here.
+ * but a (non-SS) hub can/will return fewer bytes here.
*/
ret = get_hub_descriptor(hdev, hub->descriptor);
if (ret < 0) {
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index a9039696476e..5133ab965229 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -333,7 +333,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
if (!urb || !urb->complete)
return -EINVAL;
if (urb->hcpriv) {
- WARN_ONCE(1, "URB %p submitted while active\n", urb);
+ WARN_ONCE(1, "URB %pK submitted while active\n", urb);
return -EBUSY;
}

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index ce603dcbd493..a7e28095026d 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2856,6 +2856,15 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt)
return IRQ_HANDLED;
}

+ /*
+ * With PCIe legacy interrupt, test shows that top-half irq handler can
+ * be called again after HW interrupt deassertion. Check if bottom-half
+ * irq event handler completes before caching new event to prevent
+ * losing events.
+ */
+ if (evt->flags & DWC3_EVENT_PENDING)
+ return IRQ_HANDLED;
+
count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0));
count &= DWC3_GEVNTCOUNT_MASK;
if (!count)
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 86612ac3fda2..f6c7a2744e5c 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -231,7 +231,8 @@ static int ohci_urb_enqueue (

/* Start up the I/O watchdog timer, if it's not running */
if (!timer_pending(&ohci->io_watchdog) &&
- list_empty(&ohci->eds_in_use)) {
+ list_empty(&ohci->eds_in_use) &&
+ !(ohci->flags & OHCI_QUIRK_QEMU)) {
ohci->prev_frame_no = ohci_frame_no(ohci);
mod_timer(&ohci->io_watchdog,
jiffies + IO_WATCHDOG_DELAY);
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index bb1509675727..a84aebe9b0a9 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -164,6 +164,15 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd)
return 0;
}

+static int ohci_quirk_qemu(struct usb_hcd *hcd)
+{
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+
+ ohci->flags |= OHCI_QUIRK_QEMU;
+ ohci_dbg(ohci, "enabled qemu quirk\n");
+ return 0;
+}
+
/* List of quirks for OHCI */
static const struct pci_device_id ohci_pci_quirks[] = {
{
@@ -214,6 +223,13 @@ static const struct pci_device_id ohci_pci_quirks[] = {
PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399),
.driver_data = (unsigned long)ohci_quirk_amd700,
},
+ {
+ .vendor = PCI_VENDOR_ID_APPLE,
+ .device = 0x003f,
+ .subvendor = PCI_SUBVENDOR_ID_REDHAT_QUMRANET,
+ .subdevice = PCI_SUBDEVICE_ID_QEMU,
+ .driver_data = (unsigned long)ohci_quirk_qemu,
+ },

/* FIXME for some of the early AMD 760 southbridges, OHCI
* won't work at all. blacklist them.
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 37f1725e7a46..a51b189bdbd8 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -418,6 +418,7 @@ struct ohci_hcd {
#define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/
#define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */
#define OHCI_QUIRK_GLOBAL_SUSPEND 0x800 /* must suspend ports */
+#define OHCI_QUIRK_QEMU 0x1000 /* relax timing expectations */

// there are also chip quirks/bugs in init logic

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 709b52841c87..8c6eafe8966c 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -56,7 +56,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci,
}

if (max_packet) {
- seg->bounce_buf = kzalloc(max_packet, flags | GFP_DMA);
+ seg->bounce_buf = kzalloc(max_packet, flags);
if (!seg->bounce_buf) {
dma_pool_free(xhci->segment_pool, seg->trbs, dma);
kfree(seg);
@@ -1721,7 +1721,7 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags)
xhci->dcbaa->dev_context_ptrs[0] = cpu_to_le64(xhci->scratchpad->sp_dma);
for (i = 0; i < num_sp; i++) {
dma_addr_t dma;
- void *buf = dma_alloc_coherent(dev, xhci->page_size, &dma,
+ void *buf = dma_zalloc_coherent(dev, xhci->page_size, &dma,
flags);
if (!buf)
goto fail_sp5;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 93f566cb968b..e7d6752eff32 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -52,6 +52,7 @@
#define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI 0x0aa8
#define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI 0x1aa8
#define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8
+#define PCI_DEVICE_ID_INTEL_DNV_XHCI 0x19d0

static const char hcd_name[] = "xhci_hcd";

@@ -166,7 +167,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) {
+ pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) {
xhci->quirks |= XHCI_PME_STUCK_QUIRK;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
@@ -175,7 +177,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
- pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI))
+ pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI))
xhci->quirks |= XHCI_MISSING_CAS;

if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index be1572331a64..ca8b0b1ae37d 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -153,7 +153,7 @@ static int xhci_plat_probe(struct platform_device *pdev)

irq = platform_get_irq(pdev, 0);
if (irq < 0)
- return -ENODEV;
+ return irq;

/* Try to set 64-bit DMA first */
if (WARN_ON(!pdev->dev.dma_mask))
diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c
index 6ddd08a32777..efecb87428b1 100644
--- a/drivers/usb/misc/chaoskey.c
+++ b/drivers/usb/misc/chaoskey.c
@@ -194,7 +194,7 @@ static int chaoskey_probe(struct usb_interface *interface,

dev->in_ep = in_ep;

- if (udev->descriptor.idVendor != ALEA_VENDOR_ID)
+ if (le16_to_cpu(udev->descriptor.idVendor) != ALEA_VENDOR_ID)
dev->reads_started = 1;

dev->size = size;
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 37c63cb39714..0ef29d202263 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -554,7 +554,7 @@ static long iowarrior_ioctl(struct file *file, unsigned int cmd,
info.revision = le16_to_cpu(dev->udev->descriptor.bcdDevice);

/* 0==UNKNOWN, 1==LOW(usb1.1) ,2=FULL(usb1.1), 3=HIGH(usb2.0) */
- info.speed = le16_to_cpu(dev->udev->speed);
+ info.speed = dev->udev->speed;
info.if_num = dev->interface->cur_altsetting->desc.bInterfaceNumber;
info.report_size = dev->report_size;

diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index c8fbe7b739a0..c2e2b2ea32d8 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -317,9 +317,16 @@ static int tower_open (struct inode *inode, struct file *file)
int subminor;
int retval = 0;
struct usb_interface *interface;
- struct tower_reset_reply reset_reply;
+ struct tower_reset_reply *reset_reply;
int result;

+ reset_reply = kmalloc(sizeof(*reset_reply), GFP_KERNEL);
+
+ if (!reset_reply) {
+ retval = -ENOMEM;
+ goto exit;
+ }
+
nonseekable_open(inode, file);
subminor = iminor(inode);

@@ -364,8 +371,8 @@ static int tower_open (struct inode *inode, struct file *file)
USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_DEVICE,
0,
0,
- &reset_reply,
- sizeof(reset_reply),
+ reset_reply,
+ sizeof(*reset_reply),
1000);
if (result < 0) {
dev_err(&dev->udev->dev,
@@ -406,6 +413,7 @@ static int tower_open (struct inode *inode, struct file *file)
mutex_unlock(&dev->lock);

exit:
+ kfree(reset_reply);
return retval;
}

@@ -808,7 +816,7 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
struct lego_usb_tower *dev = NULL;
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor* endpoint;
- struct tower_get_version_reply get_version_reply;
+ struct tower_get_version_reply *get_version_reply = NULL;
int i;
int retval = -ENOMEM;
int result;
@@ -886,6 +894,13 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
dev->interrupt_in_interval = interrupt_in_interval ? interrupt_in_interval : dev->interrupt_in_endpoint->bInterval;
dev->interrupt_out_interval = interrupt_out_interval ? interrupt_out_interval : dev->interrupt_out_endpoint->bInterval;

+ get_version_reply = kmalloc(sizeof(*get_version_reply), GFP_KERNEL);
+
+ if (!get_version_reply) {
+ retval = -ENOMEM;
+ goto error;
+ }
+
/* get the firmware version and log it */
result = usb_control_msg (udev,
usb_rcvctrlpipe(udev, 0),
@@ -893,18 +908,19 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_DEVICE,
0,
0,
- &get_version_reply,
- sizeof(get_version_reply),
+ get_version_reply,
+ sizeof(*get_version_reply),
1000);
if (result < 0) {
dev_err(idev, "LEGO USB Tower get version control request failed\n");
retval = result;
goto error;
}
- dev_info(&interface->dev, "LEGO USB Tower firmware version is %d.%d "
- "build %d\n", get_version_reply.major,
- get_version_reply.minor,
- le16_to_cpu(get_version_reply.build_no));
+ dev_info(&interface->dev,
+ "LEGO USB Tower firmware version is %d.%d build %d\n",
+ get_version_reply->major,
+ get_version_reply->minor,
+ le16_to_cpu(get_version_reply->build_no));

/* we can register the device now, as it is ready */
usb_set_intfdata (interface, dev);
@@ -925,9 +941,11 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
USB_MAJOR, dev->minor);

exit:
+ kfree(get_version_reply);
return retval;

error:
+ kfree(get_version_reply);
tower_delete(dev);
return retval;
}
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 806451418cfe..99beda9e241d 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2780,10 +2780,11 @@ int musb_host_setup(struct musb *musb, int power_budget)
int ret;
struct usb_hcd *hcd = musb->hcd;

- MUSB_HST_MODE(musb);
- musb->xceiv->otg->default_a = 1;
- musb->xceiv->otg->state = OTG_STATE_A_IDLE;
-
+ if (musb->port_mode == MUSB_PORT_MODE_HOST) {
+ MUSB_HST_MODE(musb);
+ musb->xceiv->otg->default_a = 1;
+ musb->xceiv->otg->state = OTG_STATE_A_IDLE;
+ }
otg_set_host(musb->xceiv->otg, &hcd->self);
hcd->self.otg_port = 1;
musb->xceiv->otg->host = &hcd->self;
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index e6959ccb4453..404742672658 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -220,6 +220,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,
u32 dma_remaining;
int src_burst, dst_burst;
u16 csr;
+ u32 psize;
int ch;
s8 dmareq;
s8 sync_dev;
@@ -391,15 +392,19 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,

if (chdat->tx) {
/* Send transfer_packet_sz packets at a time */
- musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET,
- chdat->transfer_packet_sz);
+ psize = musb_readl(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET);
+ psize &= ~0x7ff;
+ psize |= chdat->transfer_packet_sz;
+ musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, psize);

musb_writel(ep_conf, TUSB_EP_TX_OFFSET,
TUSB_EP_CONFIG_XFR_SIZE(chdat->transfer_len));
} else {
/* Receive transfer_packet_sz packets at a time */
- musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET,
- chdat->transfer_packet_sz << 16);
+ psize = musb_readl(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET);
+ psize &= ~(0x7ff << 16);
+ psize |= (chdat->transfer_packet_sz << 16);
+ musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, psize);

musb_writel(ep_conf, TUSB_EP_RX_OFFSET,
TUSB_EP_CONFIG_XFR_SIZE(chdat->transfer_len));
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 1dc75db16cbd..19394963f675 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -809,10 +809,10 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
{ USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
- { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
- .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) },
+ { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) },
{ USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
@@ -1508,9 +1508,9 @@ static int set_serial_info(struct tty_struct *tty,
(new_serial.flags & ASYNC_FLAGS));
priv->custom_divisor = new_serial.custom_divisor;

+check_and_exit:
write_latency_timer(port);

-check_and_exit:
if ((old_priv.flags & ASYNC_SPD_MASK) !=
(priv->flags & ASYNC_SPD_MASK)) {
if ((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 71fb9e59db71..4fcf1cecb6d7 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -882,6 +882,8 @@
/* Olimex */
#define OLIMEX_VID 0x15BA
#define OLIMEX_ARM_USB_OCD_PID 0x0003
+#define OLIMEX_ARM_USB_TINY_PID 0x0004
+#define OLIMEX_ARM_USB_TINY_H_PID 0x002a
#define OLIMEX_ARM_USB_OCD_H_PID 0x002b

/*
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index f1a8fdcd8674..e98532feb0cc 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2349,8 +2349,11 @@ static void change_port_settings(struct tty_struct *tty,
if (!baud) {
/* pick a default, any default... */
baud = 9600;
- } else
+ } else {
+ /* Avoid a zero divisor. */
+ baud = min(baud, 461550);
tty_encode_baud_rate(tty, baud, baud);
+ }

edge_port->baud_rate = baud;
config->wBaudRate = (__u16)((461550L + baud/2) / baud);
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index edbc81f205c2..70f346f1aa86 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -189,7 +189,7 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
return -ENOMEM;

divisor = mct_u232_calculate_baud_rate(serial, value, &speed);
- put_unaligned_le32(cpu_to_le32(divisor), buf);
+ put_unaligned_le32(divisor, buf);
rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
MCT_U232_SET_BAUD_RATE_REQUEST,
MCT_U232_SET_REQUEST_TYPE,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index af67a0de6b5d..3bf61acfc26b 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -281,6 +281,7 @@ static void option_instat_callback(struct urb *urb);
#define TELIT_PRODUCT_LE922_USBCFG0 0x1042
#define TELIT_PRODUCT_LE922_USBCFG3 0x1043
#define TELIT_PRODUCT_LE922_USBCFG5 0x1045
+#define TELIT_PRODUCT_ME910 0x1100
#define TELIT_PRODUCT_LE920 0x1200
#define TELIT_PRODUCT_LE910 0x1201
#define TELIT_PRODUCT_LE910_USBCFG4 0x1206
@@ -640,6 +641,11 @@ static const struct option_blacklist_info simcom_sim7100e_blacklist = {
.reserved = BIT(5) | BIT(6),
};

+static const struct option_blacklist_info telit_me910_blacklist = {
+ .sendsetup = BIT(0),
+ .reserved = BIT(1) | BIT(3),
+};
+
static const struct option_blacklist_info telit_le910_blacklist = {
.sendsetup = BIT(0),
.reserved = BIT(1) | BIT(2),
@@ -1235,6 +1241,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff),
.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
+ .driver_info = (kernel_ulong_t)&telit_me910_blacklist },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
.driver_info = (kernel_ulong_t)&telit_le910_blacklist },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 38b3f0d8cd58..fd509ed6cf70 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -162,6 +162,8 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */
{DEVICE_SWI(0x1199, 0x9078)}, /* Sierra Wireless EM74xx */
{DEVICE_SWI(0x1199, 0x9079)}, /* Sierra Wireless EM74xx */
+ {DEVICE_SWI(0x1199, 0x907a)}, /* Sierra Wireless EM74xx QDL */
+ {DEVICE_SWI(0x1199, 0x907b)}, /* Sierra Wireless EM74xx */
{DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c
index 02bdaa912164..4340b4925daa 100644
--- a/drivers/usb/storage/ene_ub6250.c
+++ b/drivers/usb/storage/ene_ub6250.c
@@ -446,6 +446,10 @@ struct ms_lib_ctrl {
#define SD_BLOCK_LEN 9

struct ene_ub6250_info {
+
+ /* I/O bounce buffer */
+ u8 *bbuf;
+
/* for 6250 code */
struct SD_STATUS SD_Status;
struct MS_STATUS MS_Status;
@@ -493,8 +497,11 @@ static int ene_load_bincode(struct us_data *us, unsigned char flag);

static void ene_ub6250_info_destructor(void *extra)
{
+ struct ene_ub6250_info *info = (struct ene_ub6250_info *) extra;
+
if (!extra)
return;
+ kfree(info->bbuf);
}

static int ene_send_scsi_cmd(struct us_data *us, u8 fDir, void *buf, int use_sg)
@@ -860,8 +867,9 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr,
u8 PageNum, u32 *PageBuf, struct ms_lib_type_extdat *ExtraDat)
{
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
+ struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
+ u8 *bbuf = info->bbuf;
int result;
- u8 ExtBuf[4];
u32 bn = PhyBlockAddr * 0x20 + PageNum;

result = ene_load_bincode(us, MS_RW_PATTERN);
@@ -901,7 +909,7 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr,
bcb->CDB[2] = (unsigned char)(PhyBlockAddr>>16);
bcb->CDB[6] = 0x01;

- result = ene_send_scsi_cmd(us, FDIR_READ, &ExtBuf, 0);
+ result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0);
if (result != USB_STOR_XFER_GOOD)
return USB_STOR_TRANSPORT_ERROR;

@@ -910,9 +918,9 @@ static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr,
ExtraDat->status0 = 0x10; /* Not yet,fireware support */

ExtraDat->status1 = 0x00; /* Not yet,fireware support */
- ExtraDat->ovrflg = ExtBuf[0];
- ExtraDat->mngflg = ExtBuf[1];
- ExtraDat->logadr = memstick_logaddr(ExtBuf[2], ExtBuf[3]);
+ ExtraDat->ovrflg = bbuf[0];
+ ExtraDat->mngflg = bbuf[1];
+ ExtraDat->logadr = memstick_logaddr(bbuf[2], bbuf[3]);

return USB_STOR_TRANSPORT_GOOD;
}
@@ -1332,8 +1340,9 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock,
u8 PageNum, struct ms_lib_type_extdat *ExtraDat)
{
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
+ struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
+ u8 *bbuf = info->bbuf;
int result;
- u8 ExtBuf[4];

memset(bcb, 0, sizeof(struct bulk_cb_wrap));
bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
@@ -1347,7 +1356,7 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock,
bcb->CDB[2] = (unsigned char)(PhyBlock>>16);
bcb->CDB[6] = 0x01;

- result = ene_send_scsi_cmd(us, FDIR_READ, &ExtBuf, 0);
+ result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0);
if (result != USB_STOR_XFER_GOOD)
return USB_STOR_TRANSPORT_ERROR;

@@ -1355,9 +1364,9 @@ static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock,
ExtraDat->intr = 0x80; /* Not yet, waiting for fireware support */
ExtraDat->status0 = 0x10; /* Not yet, waiting for fireware support */
ExtraDat->status1 = 0x00; /* Not yet, waiting for fireware support */
- ExtraDat->ovrflg = ExtBuf[0];
- ExtraDat->mngflg = ExtBuf[1];
- ExtraDat->logadr = memstick_logaddr(ExtBuf[2], ExtBuf[3]);
+ ExtraDat->ovrflg = bbuf[0];
+ ExtraDat->mngflg = bbuf[1];
+ ExtraDat->logadr = memstick_logaddr(bbuf[2], bbuf[3]);

return USB_STOR_TRANSPORT_GOOD;
}
@@ -1558,9 +1567,9 @@ static int ms_lib_scan_logicalblocknumber(struct us_data *us, u16 btBlk1st)
u16 PhyBlock, newblk, i;
u16 LogStart, LogEnde;
struct ms_lib_type_extdat extdat;
- u8 buf[0x200];
u32 count = 0, index = 0;
struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
+ u8 *bbuf = info->bbuf;

for (PhyBlock = 0; PhyBlock < info->MS_Lib.NumberOfPhyBlock;) {
ms_lib_phy_to_log_range(PhyBlock, &LogStart, &LogEnde);
@@ -1574,14 +1583,16 @@ static int ms_lib_scan_logicalblocknumber(struct us_data *us, u16 btBlk1st)
}

if (count == PhyBlock) {
- ms_lib_read_extrablock(us, PhyBlock, 0, 0x80, &buf);
+ ms_lib_read_extrablock(us, PhyBlock, 0, 0x80,
+ bbuf);
count += 0x80;
}
index = (PhyBlock % 0x80) * 4;

- extdat.ovrflg = buf[index];
- extdat.mngflg = buf[index+1];
- extdat.logadr = memstick_logaddr(buf[index+2], buf[index+3]);
+ extdat.ovrflg = bbuf[index];
+ extdat.mngflg = bbuf[index+1];
+ extdat.logadr = memstick_logaddr(bbuf[index+2],
+ bbuf[index+3]);

if ((extdat.ovrflg & MS_REG_OVR_BKST) != MS_REG_OVR_BKST_OK) {
ms_lib_setacquired_errorblock(us, PhyBlock);
@@ -2064,9 +2075,9 @@ static int ene_ms_init(struct us_data *us)
{
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
int result;
- u8 buf[0x200];
u16 MSP_BlockSize, MSP_UserAreaBlocks;
struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
+ u8 *bbuf = info->bbuf;

printk(KERN_INFO "transport --- ENE_MSInit\n");

@@ -2085,13 +2096,13 @@ static int ene_ms_init(struct us_data *us)
bcb->CDB[0] = 0xF1;
bcb->CDB[1] = 0x01;

- result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0);
+ result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0);
if (result != USB_STOR_XFER_GOOD) {
printk(KERN_ERR "Execution MS Init Code Fail !!\n");
return USB_STOR_TRANSPORT_ERROR;
}
/* the same part to test ENE */
- info->MS_Status = *(struct MS_STATUS *)&buf[0];
+ info->MS_Status = *(struct MS_STATUS *) bbuf;

if (info->MS_Status.Insert && info->MS_Status.Ready) {
printk(KERN_INFO "Insert = %x\n", info->MS_Status.Insert);
@@ -2100,15 +2111,15 @@ static int ene_ms_init(struct us_data *us)
printk(KERN_INFO "IsMSPHG = %x\n", info->MS_Status.IsMSPHG);
printk(KERN_INFO "WtP= %x\n", info->MS_Status.WtP);
if (info->MS_Status.IsMSPro) {
- MSP_BlockSize = (buf[6] << 8) | buf[7];
- MSP_UserAreaBlocks = (buf[10] << 8) | buf[11];
+ MSP_BlockSize = (bbuf[6] << 8) | bbuf[7];
+ MSP_UserAreaBlocks = (bbuf[10] << 8) | bbuf[11];
info->MSP_TotalBlock = MSP_BlockSize * MSP_UserAreaBlocks;
} else {
ms_card_init(us); /* Card is MS (to ms.c)*/
}
usb_stor_dbg(us, "MS Init Code OK !!\n");
} else {
- usb_stor_dbg(us, "MS Card Not Ready --- %x\n", buf[0]);
+ usb_stor_dbg(us, "MS Card Not Ready --- %x\n", bbuf[0]);
return USB_STOR_TRANSPORT_ERROR;
}

@@ -2118,9 +2129,9 @@ static int ene_ms_init(struct us_data *us)
static int ene_sd_init(struct us_data *us)
{
int result;
- u8 buf[0x200];
struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
+ u8 *bbuf = info->bbuf;

usb_stor_dbg(us, "transport --- ENE_SDInit\n");
/* SD Init Part-1 */
@@ -2154,17 +2165,17 @@ static int ene_sd_init(struct us_data *us)
bcb->Flags = US_BULK_FLAG_IN;
bcb->CDB[0] = 0xF1;

- result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0);
+ result = ene_send_scsi_cmd(us, FDIR_READ, bbuf, 0);
if (result != USB_STOR_XFER_GOOD) {
usb_stor_dbg(us, "Execution SD Init Code Fail !!\n");
return USB_STOR_TRANSPORT_ERROR;
}

- info->SD_Status = *(struct SD_STATUS *)&buf[0];
+ info->SD_Status = *(struct SD_STATUS *) bbuf;
if (info->SD_Status.Insert && info->SD_Status.Ready) {
struct SD_STATUS *s = &info->SD_Status;

- ene_get_card_status(us, (unsigned char *)&buf);
+ ene_get_card_status(us, bbuf);
usb_stor_dbg(us, "Insert = %x\n", s->Insert);
usb_stor_dbg(us, "Ready = %x\n", s->Ready);
usb_stor_dbg(us, "IsMMC = %x\n", s->IsMMC);
@@ -2172,7 +2183,7 @@ static int ene_sd_init(struct us_data *us)
usb_stor_dbg(us, "HiSpeed = %x\n", s->HiSpeed);
usb_stor_dbg(us, "WtP = %x\n", s->WtP);
} else {
- usb_stor_dbg(us, "SD Card Not Ready --- %x\n", buf[0]);
+ usb_stor_dbg(us, "SD Card Not Ready --- %x\n", bbuf[0]);
return USB_STOR_TRANSPORT_ERROR;
}
return USB_STOR_TRANSPORT_GOOD;
@@ -2182,13 +2193,15 @@ static int ene_sd_init(struct us_data *us)
static int ene_init(struct us_data *us)
{
int result;
- u8 misc_reg03 = 0;
+ u8 misc_reg03;
struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);
+ u8 *bbuf = info->bbuf;

- result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03);
+ result = ene_get_card_type(us, REG_CARD_STATUS, bbuf);
if (result != USB_STOR_XFER_GOOD)
return USB_STOR_TRANSPORT_ERROR;

+ misc_reg03 = bbuf[0];
if (misc_reg03 & 0x01) {
if (!info->SD_Status.Ready) {
result = ene_sd_init(us);
@@ -2305,8 +2318,9 @@ static int ene_ub6250_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int result;
- u8 misc_reg03 = 0;
+ u8 misc_reg03;
struct us_data *us;
+ struct ene_ub6250_info *info;

result = usb_stor_probe1(&us, intf, id,
(id - ene_ub6250_usb_ids) + ene_ub6250_unusual_dev_list,
@@ -2315,11 +2329,16 @@ static int ene_ub6250_probe(struct usb_interface *intf,
return result;

/* FIXME: where should the code alloc extra buf ? */
- if (!us->extra) {
- us->extra = kzalloc(sizeof(struct ene_ub6250_info), GFP_KERNEL);
- if (!us->extra)
- return -ENOMEM;
- us->extra_destructor = ene_ub6250_info_destructor;
+ us->extra = kzalloc(sizeof(struct ene_ub6250_info), GFP_KERNEL);
+ if (!us->extra)
+ return -ENOMEM;
+ us->extra_destructor = ene_ub6250_info_destructor;
+
+ info = (struct ene_ub6250_info *)(us->extra);
+ info->bbuf = kmalloc(512, GFP_KERNEL);
+ if (!info->bbuf) {
+ kfree(us->extra);
+ return -ENOMEM;
}

us->transport_name = "ene_ub6250";
@@ -2331,12 +2350,13 @@ static int ene_ub6250_probe(struct usb_interface *intf,
return result;

/* probe card type */
- result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03);
+ result = ene_get_card_type(us, REG_CARD_STATUS, info->bbuf);
if (result != USB_STOR_XFER_GOOD) {
usb_stor_disconnect(intf);
return USB_STOR_TRANSPORT_ERROR;
}

+ misc_reg03 = info->bbuf[0];
if (!(misc_reg03 & 0x01)) {
pr_info("ums_eneub6250: This driver only supports SD/MS cards. "
"It does not support SM cards.\n");
diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c
index 6345e85822a4..a50cf45e530f 100644
--- a/drivers/uwb/i1480/dfu/usb.c
+++ b/drivers/uwb/i1480/dfu/usb.c
@@ -341,6 +341,7 @@ int i1480_usb_cmd(struct i1480 *i1480, const char *cmd_name, size_t cmd_size)
static
int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
+ struct usb_device *udev = interface_to_usbdev(iface);
struct i1480_usb *i1480_usb;
struct i1480 *i1480;
struct device *dev = &iface->dev;
@@ -352,8 +353,8 @@ int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id)
iface->cur_altsetting->desc.bInterfaceNumber);
goto error;
}
- if (iface->num_altsetting > 1
- && interface_to_usbdev(iface)->descriptor.idProduct == 0xbabe) {
+ if (iface->num_altsetting > 1 &&
+ le16_to_cpu(udev->descriptor.idProduct) == 0xbabe) {
/* Need altsetting #1 [HW QUIRK] or EP1 won't work */
result = usb_set_interface(interface_to_usbdev(iface), 0, 1);
if (result < 0)
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 99ebf6ea3de6..5615f4013924 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -630,6 +630,9 @@ static int usb_pcwd_probe(struct usb_interface *interface,
return -ENODEV;
}

+ if (iface_desc->desc.bNumEndpoints < 1)
+ return -ENODEV;
+
/* check out the endpoint: it has to be Interrupt & IN */
endpoint = &iface_desc->endpoint[0].desc;

diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 80bb956e14e5..d1bbdc9dda76 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -300,7 +300,7 @@ int fscrypt_fname_disk_to_usr(struct inode *inode,
} else {
memset(buf, 0, 8);
}
- memcpy(buf + 8, iname->name + iname->len - 16, 16);
+ memcpy(buf + 8, iname->name + ((iname->len - 17) & ~15), 16);
oname->name[0] = '_';
oname->len = 1 + digest_encode(buf, 24, oname->name + 1);
return 0;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index c4a389a6027b..423a21cd077c 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1255,9 +1255,9 @@ static inline int ext4_match(struct ext4_filename *fname,
if (unlikely(!name)) {
if (fname->usr_fname->name[0] == '_') {
int ret;
- if (de->name_len < 16)
+ if (de->name_len <= 32)
return 0;
- ret = memcmp(de->name + de->name_len - 16,
+ ret = memcmp(de->name + ((de->name_len - 17) & ~15),
fname->crypto_buf.name + 8, 16);
return (ret == 0) ? 1 : 0;
}
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ebdc90fc71b7..11f3717ce481 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -130,19 +130,29 @@ struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname,
continue;
}

- /* encrypted case */
+ if (de->hash_code != namehash)
+ goto not_match;
+
de_name.name = d->filename[bit_pos];
de_name.len = le16_to_cpu(de->name_len);

- /* show encrypted name */
- if (fname->hash) {
- if (de->hash_code == fname->hash)
- goto found;
- } else if (de_name.len == name->len &&
- de->hash_code == namehash &&
- !memcmp(de_name.name, name->name, name->len))
+#ifdef CONFIG_F2FS_FS_ENCRYPTION
+ if (unlikely(!name->name)) {
+ if (fname->usr_fname->name[0] == '_') {
+ if (de_name.len > 32 &&
+ !memcmp(de_name.name + ((de_name.len - 17) & ~15),
+ fname->crypto_buf.name + 8, 16))
+ goto found;
+ goto not_match;
+ }
+ name->name = fname->crypto_buf.name;
+ name->len = fname->crypto_buf.len;
+ }
+#endif
+ if (de_name.len == name->len &&
+ !memcmp(de_name.name, name->name, name->len))
goto found;
-
+not_match:
if (max_slots && max_len > *max_slots)
*max_slots = max_len;
max_len = 0;
@@ -170,12 +180,7 @@ static struct f2fs_dir_entry *find_in_level(struct inode *dir,
struct f2fs_dir_entry *de = NULL;
bool room = false;
int max_slots;
- f2fs_hash_t namehash;
-
- if(fname->hash)
- namehash = cpu_to_le32(fname->hash);
- else
- namehash = f2fs_dentry_hash(&name);
+ f2fs_hash_t namehash = f2fs_dentry_hash(&name, fname);

nbucket = dir_buckets(level, F2FS_I(dir)->i_dir_level);
nblock = bucket_blocks(level);
@@ -539,7 +544,7 @@ int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,

level = 0;
slots = GET_DENTRY_SLOTS(new_name->len);
- dentry_hash = f2fs_dentry_hash(new_name);
+ dentry_hash = f2fs_dentry_hash(new_name, NULL);

current_depth = F2FS_I(dir)->i_current_depth;
if (F2FS_I(dir)->chash == dentry_hash) {
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 3a1640be7ffc..c12f695923b6 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -2016,7 +2016,8 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi);
/*
* hash.c
*/
-f2fs_hash_t f2fs_dentry_hash(const struct qstr *);
+f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info,
+ struct fscrypt_name *fname);

/*
* node.c
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index 71b7206c431e..eb2e031ea887 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -70,7 +70,8 @@ static void str2hashbuf(const unsigned char *msg, size_t len,
*buf++ = pad;
}

-f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info)
+f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info,
+ struct fscrypt_name *fname)
{
__u32 hash;
f2fs_hash_t f2fs_hash;
@@ -79,6 +80,10 @@ f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info)
const unsigned char *name = name_info->name;
size_t len = name_info->len;

+ /* encrypted bigname case */
+ if (fname && !fname->disk_name.name)
+ return cpu_to_le32(fname->hash);
+
if (is_dot_dotdot(name_info))
return 0;

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 5f1a67f756af..a21faa1c6817 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -294,7 +294,7 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
return NULL;
}

- namehash = f2fs_dentry_hash(&name);
+ namehash = f2fs_dentry_hash(&name, fname);

inline_dentry = inline_data_addr(ipage);

@@ -531,7 +531,7 @@ int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,

f2fs_wait_on_page_writeback(ipage, NODE, true);

- name_hash = f2fs_dentry_hash(new_name);
+ name_hash = f2fs_dentry_hash(new_name, NULL);
make_dentry_ptr(NULL, &d, (void *)dentry_blk, 2);
f2fs_update_dentry(ino, mode, &d, new_name, name_hash, bit_pos);

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4e894d301c88..fc9b04941739 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2385,8 +2385,10 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
if (status != 0)
return status;
}
- if (!(o_res->f_attr->valid & NFS_ATTR_FATTR))
+ if (!(o_res->f_attr->valid & NFS_ATTR_FATTR)) {
+ nfs4_sequence_free_slot(&o_res->seq_res);
nfs4_proc_getattr(server, &o_res->fh, o_res->f_attr, o_res->f_label);
+ }
return 0;
}

diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 965db474f4b0..142a74f3c59b 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -29,13 +29,14 @@
static struct kmem_cache *nfs_page_cachep;
static const struct rpc_call_ops nfs_pgio_common_ops;

-static bool nfs_pgarray_set(struct nfs_page_array *p, unsigned int pagecount)
+static bool nfs_pgarray_set(struct nfs_page_array *p, unsigned int pagecount,
+ gfp_t gfp_flags)
{
p->npages = pagecount;
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
- p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL);
+ p->pagevec = kcalloc(pagecount, sizeof(struct page *), gfp_flags);
if (!p->pagevec)
p->npages = 0;
}
@@ -681,6 +682,7 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
{
struct nfs_pgio_mirror *new;
int i;
+ gfp_t gfp_flags = GFP_KERNEL;

desc->pg_moreio = 0;
desc->pg_inode = inode;
@@ -700,8 +702,10 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
if (pg_ops->pg_get_mirror_count) {
/* until we have a request, we don't have an lseg and no
* idea how many mirrors there will be */
+ if (desc->pg_rw_ops->rw_mode == FMODE_WRITE)
+ gfp_flags = GFP_NOIO;
new = kcalloc(NFS_PAGEIO_DESCRIPTOR_MIRROR_MAX,
- sizeof(struct nfs_pgio_mirror), GFP_KERNEL);
+ sizeof(struct nfs_pgio_mirror), gfp_flags);
desc->pg_mirrors_dynamic = new;
desc->pg_mirrors = new;

@@ -755,9 +759,12 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
struct list_head *head = &mirror->pg_list;
struct nfs_commit_info cinfo;
unsigned int pagecount, pageused;
+ gfp_t gfp_flags = GFP_KERNEL;

pagecount = nfs_page_array_len(mirror->pg_base, mirror->pg_count);
- if (!nfs_pgarray_set(&hdr->page_array, pagecount)) {
+ if (desc->pg_rw_ops->rw_mode == FMODE_WRITE)
+ gfp_flags = GFP_NOIO;
+ if (!nfs_pgarray_set(&hdr->page_array, pagecount, gfp_flags)) {
nfs_pgio_error(hdr);
desc->pg_error = -ENOMEM;
return desc->pg_error;
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 53211838f72a..e4772a8340f8 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -548,9 +548,9 @@ static void nfs_write_error_remove_page(struct nfs_page *req)
{
nfs_unlock_request(req);
nfs_end_page_writeback(req);
- nfs_release_request(req);
generic_error_remove_page(page_file_mapping(req->wb_page),
req->wb_page);
+ nfs_release_request(req);
}

/*
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index abb09b580389..650226f33298 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1273,7 +1273,8 @@ nfsd4_layout_verify(struct svc_export *exp, unsigned int layout_type)
return NULL;
}

- if (!(exp->ex_layout_types & (1 << layout_type))) {
+ if (layout_type >= LAYOUT_TYPE_MAX ||
+ !(exp->ex_layout_types & (1 << layout_type))) {
dprintk("%s: layout type %d not supported\n",
__func__, layout_type);
return NULL;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index c2d2895a1ec1..2ee80e1f5230 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -4081,8 +4081,7 @@ nfsd4_encode_getdeviceinfo(struct nfsd4_compoundres *resp, __be32 nfserr,
struct nfsd4_getdeviceinfo *gdev)
{
struct xdr_stream *xdr = &resp->xdr;
- const struct nfsd4_layout_ops *ops =
- nfsd4_layout_ops[gdev->gd_layout_type];
+ const struct nfsd4_layout_ops *ops;
u32 starting_len = xdr->buf->len, needed_len;
__be32 *p;

@@ -4099,6 +4098,7 @@ nfsd4_encode_getdeviceinfo(struct nfsd4_compoundres *resp, __be32 nfserr,

/* If maxcount is 0 then just update notifications */
if (gdev->gd_maxcount != 0) {
+ ops = nfsd4_layout_ops[gdev->gd_layout_type];
nfserr = ops->encode_getdeviceinfo(xdr, gdev);
if (nfserr) {
/*
@@ -4151,8 +4151,7 @@ nfsd4_encode_layoutget(struct nfsd4_compoundres *resp, __be32 nfserr,
struct nfsd4_layoutget *lgp)
{
struct xdr_stream *xdr = &resp->xdr;
- const struct nfsd4_layout_ops *ops =
- nfsd4_layout_ops[lgp->lg_layout_type];
+ const struct nfsd4_layout_ops *ops;
__be32 *p;

dprintk("%s: err %d\n", __func__, nfserr);
@@ -4175,6 +4174,7 @@ nfsd4_encode_layoutget(struct nfsd4_compoundres *resp, __be32 nfserr,
*p++ = cpu_to_be32(lgp->lg_seg.iomode);
*p++ = cpu_to_be32(lgp->lg_layout_type);

+ ops = nfsd4_layout_ops[lgp->lg_layout_type];
nfserr = ops->encode_layoutget(xdr, lgp);
out:
kfree(lgp->lg_content);
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 7ebfca6a1427..258e8f635148 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -294,27 +294,37 @@ static ssize_t fanotify_read(struct file *file, char __user *buf,
}

ret = copy_event_to_user(group, kevent, buf);
+ if (unlikely(ret == -EOPENSTALE)) {
+ /*
+ * We cannot report events with stale fd so drop it.
+ * Setting ret to 0 will continue the event loop and
+ * do the right thing if there are no more events to
+ * read (i.e. return bytes read, -EAGAIN or wait).
+ */
+ ret = 0;
+ }
+
/*
* Permission events get queued to wait for response. Other
* events can be destroyed now.
*/
if (!(kevent->mask & FAN_ALL_PERM_EVENTS)) {
fsnotify_destroy_event(group, kevent);
- if (ret < 0)
- break;
} else {
#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
- if (ret < 0) {
+ if (ret <= 0) {
FANOTIFY_PE(kevent)->response = FAN_DENY;
wake_up(&group->fanotify_data.access_waitq);
- break;
+ } else {
+ spin_lock(&group->notification_lock);
+ list_add_tail(&kevent->list,
+ &group->fanotify_data.access_list);
+ spin_unlock(&group->notification_lock);
}
- spin_lock(&group->notification_lock);
- list_add_tail(&kevent->list,
- &group->fanotify_data.access_list);
- spin_unlock(&group->notification_lock);
#endif
}
+ if (ret < 0)
+ break;
buf += ret;
count -= ret;
}
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 5f2dc2032c79..6047471575bb 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -471,6 +471,7 @@ struct proc_dir_entry *proc_create_mount_point(const char *name)
ent->data = NULL;
ent->proc_fops = NULL;
ent->proc_iops = NULL;
+ parent->nlink++;
if (proc_register(parent, ent) < 0) {
kfree(ent);
parent->nlink--;
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index dd85f3503410..039e6ababb67 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -231,6 +231,8 @@ struct hid_sensor_common {
unsigned usage_id;
atomic_t data_ready;
atomic_t user_requested_state;
+ int poll_interval;
+ int raw_hystersis;
struct iio_trigger *trigger;
struct hid_sensor_hub_attribute_info poll;
struct hid_sensor_hub_attribute_info report_state;
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 8f6849084248..e23392517db9 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -330,7 +330,9 @@ extern int proc_kprobes_optimization_handler(struct ctl_table *table,
int write, void __user *buffer,
size_t *length, loff_t *ppos);
#endif
-
+extern void wait_for_kprobe_optimizer(void);
+#else
+static inline void wait_for_kprobe_optimizer(void) { }
#endif /* CONFIG_OPTPROBES */
#ifdef CONFIG_KPROBES_ON_FTRACE
extern void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
diff --git a/kernel/fork.c b/kernel/fork.c
index ba8a01564985..59faac4de181 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -521,7 +521,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
set_task_stack_end_magic(tsk);

#ifdef CONFIG_CC_STACKPROTECTOR
- tsk->stack_canary = get_random_int();
+ tsk->stack_canary = get_random_long();
#endif

/*
@@ -1773,11 +1773,13 @@ static __latent_entropy struct task_struct *copy_process(
*/
recalc_sigpending();
if (signal_pending(current)) {
- spin_unlock(&current->sighand->siglock);
- write_unlock_irq(&tasklist_lock);
retval = -ERESTARTNOINTR;
goto bad_fork_cancel_cgroup;
}
+ if (unlikely(!(ns_of_pid(pid)->nr_hashed & PIDNS_HASH_ADDING))) {
+ retval = -ENOMEM;
+ goto bad_fork_cancel_cgroup;
+ }

if (likely(p->pid)) {
ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace);
@@ -1828,6 +1830,8 @@ static __latent_entropy struct task_struct *copy_process(
return p;

bad_fork_cancel_cgroup:
+ spin_unlock(&current->sighand->siglock);
+ write_unlock_irq(&tasklist_lock);
cgroup_cancel_fork(p);
bad_fork_free_pid:
threadgroup_change_end(current);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index be3c34e4f2ac..077c87f40f4d 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -877,8 +877,8 @@ irq_set_chained_handler_and_data(unsigned int irq, irq_flow_handler_t handle,
if (!desc)
return;

- __irq_do_set_handler(desc, handle, 1, NULL);
desc->irq_common_data.handler_data = data;
+ __irq_do_set_handler(desc, handle, 1, NULL);

irq_put_desc_busunlock(desc, flags);
}
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index d63095472ea9..a1a07cf1101f 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -563,7 +563,7 @@ static void kprobe_optimizer(struct work_struct *work)
}

/* Wait for completing optimization and unoptimization */
-static void wait_for_kprobe_optimizer(void)
+void wait_for_kprobe_optimizer(void)
{
mutex_lock(&kprobe_mutex);

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index eef2ce968636..3976dd57db78 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -274,7 +274,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
* if reparented.
*/
for (;;) {
- set_current_state(TASK_UNINTERRUPTIBLE);
+ set_current_state(TASK_INTERRUPTIBLE);
if (pid_ns->nr_hashed == init_pids)
break;
schedule();
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index eb6c9f1d3a93..8d2b4d8fd714 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1484,6 +1484,11 @@ static __init int kprobe_trace_self_tests_init(void)

end:
release_all_trace_kprobes();
+ /*
+ * Wait for the optimizer work to finish. Otherwise it might fiddle
+ * with probes in already freed __init text.
+ */
+ wait_for_kprobe_optimizer();
if (warn)
pr_cont("NG: Some tests are failed. Please check them.\n");
else
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 48d0dc89b58d..e735f781e4f3 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1168,11 +1168,10 @@ static int ipxitf_ioctl(unsigned int cmd, void __user *arg)
sipx->sipx_network = ipxif->if_netnum;
memcpy(sipx->sipx_node, ipxif->if_node,
sizeof(sipx->sipx_node));
- rc = -EFAULT;
+ rc = 0;
if (copy_to_user(arg, &ifr, sizeof(ifr)))
- break;
+ rc = -EFAULT;
ipxitf_put(ipxif);
- rc = 0;
break;
}
case SIOCAIPXITFCRT:
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 389325ac6067..097459830454 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -204,10 +204,11 @@ int ima_appraise_measurement(enum ima_hooks func,

cause = "missing-hash";
status = INTEGRITY_NOLABEL;
- if (opened & FILE_CREATED) {
+ if (opened & FILE_CREATED)
iint->flags |= IMA_NEW_FILE;
+ if ((iint->flags & IMA_NEW_FILE) &&
+ !(iint->flags & IMA_DIGSIG_REQUIRED))
status = INTEGRITY_PASS;
- }
goto out;
}

diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index 043065867656..0f41257d339e 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -106,7 +106,11 @@ void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus)
/* disable ringbuffer DMAs */
snd_hdac_chip_writeb(bus, RIRBCTL, 0);
snd_hdac_chip_writeb(bus, CORBCTL, 0);
+ spin_unlock_irq(&bus->reg_lock);
+
hdac_wait_for_cmd_dmas(bus);
+
+ spin_lock_irq(&bus->reg_lock);
/* disable unsolicited responses */
snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, 0);
spin_unlock_irq(&bus->reg_lock);
diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
index 8c0f3b89b5bc..e78b5f055f25 100644
--- a/sound/soc/codecs/cs4271.c
+++ b/sound/soc/codecs/cs4271.c
@@ -498,7 +498,7 @@ static int cs4271_reset(struct snd_soc_codec *codec)
struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);

if (gpio_is_valid(cs4271->gpio_nreset)) {
- gpio_set_value(cs4271->gpio_nreset, 0);
+ gpio_direction_output(cs4271->gpio_nreset, 0);
mdelay(1);
gpio_set_value(cs4271->gpio_nreset, 1);
mdelay(1);