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This is the 4.15.16 stable release

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Merge tag 'v4.15.16' into v4.15/standard/base

This is the 4.15.16 stable release
This commit is contained in:
Bruce Ashfield 2018-05-10 14:00:15 -04:00
commit df55191665
83 changed files with 732 additions and 359 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/serial/8250.txt
View File

@ -24,6 +24,7 @@ Required properties:
- "ti,da830-uart"
- "aspeed,ast2400-vuart"
- "aspeed,ast2500-vuart"
- "nuvoton,npcm750-uart"
- "serial" if the port type is unknown.
- reg : offset and length of the register set for the device.
- interrupts : should contain uart interrupt.

2
Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 15
SUBLEVEL = 15
SUBLEVEL = 16
EXTRAVERSION =
NAME = Fearless Coyote

2
arch/arm/boot/dts/am335x-pepper.dts
View File

@ -139,7 +139,7 @@
&audio_codec {
status = "okay";
reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
gpio-reset = <&gpio1 16 GPIO_ACTIVE_LOW>;
AVDD-supply = <&ldo3_reg>;
IOVDD-supply = <&ldo3_reg>;
DRVDD-supply = <&ldo3_reg>;

1
arch/arm/boot/dts/dra76-evm.dts
View File

@ -148,6 +148,7 @@
compatible = "ti,tps65917";
reg = <0x58>;
ti,system-power-controller;
ti,palmas-override-powerhold;
interrupt-controller;
#interrupt-cells = <2>;

4
arch/arm/boot/dts/omap3-n900.dts
View File

@ -558,7 +558,7 @@
tlv320aic3x: tlv320aic3x@18 {
compatible = "ti,tlv320aic3x";
reg = <0x18>;
reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>; /* 60 */
gpio-reset = <&gpio2 28 GPIO_ACTIVE_HIGH>; /* 60 */
ai3x-gpio-func = <
0 /* AIC3X_GPIO1_FUNC_DISABLED */
5 /* AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT */
@ -575,7 +575,7 @@
tlv320aic3x_aux: tlv320aic3x@19 {
compatible = "ti,tlv320aic3x";
reg = <0x19>;
reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>; /* 60 */
gpio-reset = <&gpio2 28 GPIO_ACTIVE_HIGH>; /* 60 */
AVDD-supply = <&vmmc2>;
DRVDD-supply = <&vmmc2>;

63
arch/arm/boot/dts/sun6i-a31s-sinovoip-bpi-m2.dts
View File

@ -42,7 +42,6 @@
/dts-v1/;
#include "sun6i-a31s.dtsi"
#include "sunxi-common-regulators.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
@ -99,6 +98,7 @@
pinctrl-0 = <&gmac_pins_rgmii_a>, <&gmac_phy_reset_pin_bpi_m2>;
phy = <&phy1>;
phy-mode = "rgmii";
phy-supply = <&reg_dldo1>;
snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>; /* PA21 */
snps,reset-active-low;
snps,reset-delays-us = <0 10000 30000>;
@ -118,7 +118,7 @@
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_bpi_m2>;
vmmc-supply = <&reg_vcc3v0>;
vmmc-supply = <&reg_dcdc1>;
bus-width = <4>;
cd-gpios = <&pio 0 4 GPIO_ACTIVE_HIGH>; /* PA4 */
cd-inverted;
@ -132,7 +132,7 @@
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins_a>;
vmmc-supply = <&reg_vcc3v0>;
vmmc-supply = <&reg_aldo1>;
mmc-pwrseq = <&mmc2_pwrseq>;
bus-width = <4>;
non-removable;
@ -163,6 +163,8 @@
reg = <0x68>;
interrupt-parent = <&nmi_intc>;
interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
eldoin-supply = <&reg_dcdc1>;
x-powers,drive-vbus-en;
};
};
@ -193,7 +195,28 @@
#include "axp22x.dtsi"
&reg_aldo1 {
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-wifi";
};
&reg_aldo2 {
regulator-always-on;
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-name = "vcc-gmac";
};
&reg_aldo3 {
regulator-always-on;
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-name = "avcc";
};
&reg_dc5ldo {
regulator-always-on;
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1320000>;
regulator-name = "vdd-cpus";
@ -233,6 +256,40 @@
regulator-name = "vcc-dram";
};
&reg_dldo1 {
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-name = "vcc-mac";
};
&reg_dldo2 {
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-name = "avdd-csi";
};
&reg_dldo3 {
regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-pb";
};
&reg_eldo1 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vdd-csi";
status = "okay";
};
&reg_ldo_io1 {
regulator-always-on;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-name = "vcc-pm-cpus";
status = "okay";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins_a>;

2
arch/arm/crypto/Makefile
View File

@ -54,6 +54,7 @@ crct10dif-arm-ce-y := crct10dif-ce-core.o crct10dif-ce-glue.o
crc32-arm-ce-y:= crc32-ce-core.o crc32-ce-glue.o
chacha20-neon-y := chacha20-neon-core.o chacha20-neon-glue.o
ifdef REGENERATE_ARM_CRYPTO
quiet_cmd_perl = PERL $@
cmd_perl = $(PERL) $(<) > $(@)
@ -62,5 +63,6 @@ $(src)/sha256-core.S_shipped: $(src)/sha256-armv4.pl
$(src)/sha512-core.S_shipped: $(src)/sha512-armv4.pl
$(call cmd,perl)
endif
.PRECIOUS: $(obj)/sha256-core.S $(obj)/sha512-core.S

11
arch/arm/plat-omap/include/plat/sram.h
View File

@ -5,13 +5,4 @@ void omap_map_sram(unsigned long start, unsigned long size,
unsigned long skip, int cached);
void omap_sram_reset(void);
extern void *omap_sram_push_address(unsigned long size);
/* Macro to push a function to the internal SRAM, using the fncpy API */
#define omap_sram_push(funcp, size) ({ \
typeof(&(funcp)) _res = NULL; \
void *_sram_address = omap_sram_push_address(size); \
if (_sram_address) \
_res = fncpy(_sram_address, &(funcp), size); \
_res; \
})
extern void *omap_sram_push(void *funcp, unsigned long size);

36
arch/arm/plat-omap/sram.c
View File

@ -23,6 +23,7 @@
#include <asm/fncpy.h>
#include <asm/tlb.h>
#include <asm/cacheflush.h>
#include <asm/set_memory.h>
#include <asm/mach/map.h>
@ -42,7 +43,7 @@ static void __iomem *omap_sram_ceil;
* Note that fncpy requires the returned address to be aligned
* to an 8-byte boundary.
*/
void *omap_sram_push_address(unsigned long size)
static void *omap_sram_push_address(unsigned long size)
{
unsigned long available, new_ceil = (unsigned long)omap_sram_ceil;
@ -60,6 +61,30 @@ void *omap_sram_push_address(unsigned long size)
return (void *)omap_sram_ceil;
}
void *omap_sram_push(void *funcp, unsigned long size)
{
void *sram;
unsigned long base;
int pages;
void *dst = NULL;
sram = omap_sram_push_address(size);
if (!sram)
return NULL;
base = (unsigned long)sram & PAGE_MASK;
pages = PAGE_ALIGN(size) / PAGE_SIZE;
set_memory_rw(base, pages);
dst = fncpy(sram, funcp, size);
set_memory_ro(base, pages);
set_memory_x(base, pages);
return dst;
}
/*
* The SRAM context is lost during off-idle and stack
* needs to be reset.
@ -75,6 +100,9 @@ void omap_sram_reset(void)
void __init omap_map_sram(unsigned long start, unsigned long size,
unsigned long skip, int cached)
{
unsigned long base;
int pages;
if (size == 0)
return;
@ -95,4 +123,10 @@ void __init omap_map_sram(unsigned long start, unsigned long size,
*/
memset_io(omap_sram_base + omap_sram_skip, 0,
omap_sram_size - omap_sram_skip);
base = (unsigned long)omap_sram_base;
pages = PAGE_ALIGN(omap_sram_size) / PAGE_SIZE;
set_memory_ro(base, pages);
set_memory_x(base, pages);
}

2
arch/arm/vfp/vfpmodule.c
View File

@ -648,7 +648,7 @@ int vfp_restore_user_hwstate(struct user_vfp __user *ufp,
*/
static int vfp_dying_cpu(unsigned int cpu)
{
vfp_force_reload(cpu, current_thread_info());
vfp_current_hw_state[cpu] = NULL;
return 0;
}

2
arch/arm64/crypto/Makefile
View File

@ -58,6 +58,7 @@ CFLAGS_aes-glue-ce.o := -DUSE_V8_CRYPTO_EXTENSIONS
$(obj)/aes-glue-%.o: $(src)/aes-glue.c FORCE
$(call if_changed_rule,cc_o_c)
ifdef REGENERATE_ARM64_CRYPTO
quiet_cmd_perlasm = PERLASM $@
cmd_perlasm = $(PERL) $(<) void $(@)
@ -66,5 +67,6 @@ $(src)/sha256-core.S_shipped: $(src)/sha512-armv8.pl
$(src)/sha512-core.S_shipped: $(src)/sha512-armv8.pl
$(call cmd,perlasm)
endif
.PRECIOUS: $(obj)/sha256-core.S $(obj)/sha512-core.S

3
arch/powerpc/include/asm/book3s/64/mmu.h
View File

@ -87,6 +87,9 @@ typedef struct {
/* Number of bits in the mm_cpumask */
atomic_t active_cpus;
/* Number of users of the external (Nest) MMU */
atomic_t copros;
/* NPU NMMU context */
struct npu_context *npu_context;

18
arch/powerpc/include/asm/mmu_context.h
View File

@ -92,15 +92,23 @@ static inline void dec_mm_active_cpus(struct mm_struct *mm)
static inline void mm_context_add_copro(struct mm_struct *mm)
{
/*
* On hash, should only be called once over the lifetime of
* the context, as we can't decrement the active cpus count
* and flush properly for the time being.
* If any copro is in use, increment the active CPU count
* in order to force TLB invalidations to be global as to
* propagate to the Nest MMU.
*/
inc_mm_active_cpus(mm);
if (atomic_inc_return(&mm->context.copros) == 1)
inc_mm_active_cpus(mm);
}
static inline void mm_context_remove_copro(struct mm_struct *mm)
{
int c;
c = atomic_dec_if_positive(&mm->context.copros);
/* Detect imbalance between add and remove */
WARN_ON(c < 0);
/*
* Need to broadcast a global flush of the full mm before
* decrementing active_cpus count, as the next TLBI may be
@ -111,7 +119,7 @@ static inline void mm_context_remove_copro(struct mm_struct *mm)
* for the time being. Invalidations will remain global if
* used on hash.
*/
if (radix_enabled()) {
if (c == 0 && radix_enabled()) {
flush_all_mm(mm);
dec_mm_active_cpus(mm);
}

2
arch/powerpc/kernel/exceptions-64s.S
View File

@ -706,7 +706,7 @@ EXC_COMMON_BEGIN(bad_addr_slb)
ld r3, PACA_EXSLB+EX_DAR(r13)
std r3, _DAR(r1)
beq cr6, 2f
li r10, 0x480 /* fix trap number for I-SLB miss */
li r10, 0x481 /* fix trap number for I-SLB miss */
std r10, _TRAP(r1)
2: bl save_nvgprs
addi r3, r1, STACK_FRAME_OVERHEAD

8
arch/powerpc/kernel/irq.c
View File

@ -475,6 +475,14 @@ void force_external_irq_replay(void)
*/
WARN_ON(!arch_irqs_disabled());
/*
* Interrupts must always be hard disabled before irq_happened is
* modified (to prevent lost update in case of interrupt between
* load and store).
*/
__hard_irq_disable();
local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
/* Indicate in the PACA that we have an interrupt to replay */
local_paca->irq_happened |= PACA_IRQ_EE;
}

1
arch/powerpc/mm/mmu_context_book3s64.c
View File

@ -171,6 +171,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
mm_iommu_init(mm);
#endif
atomic_set(&mm->context.active_cpus, 0);
atomic_set(&mm->context.copros, 0);
return 0;
}

50
arch/powerpc/mm/tlb-radix.c
View File

@ -85,7 +85,23 @@ static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
static inline void _tlbie_pid(unsigned long pid, unsigned long ric)
{
asm volatile("ptesync": : :"memory");
__tlbie_pid(pid, ric);
/*
* Workaround the fact that the "ric" argument to __tlbie_pid
* must be a compile-time contraint to match the "i" constraint
* in the asm statement.
*/
switch (ric) {
case RIC_FLUSH_TLB:
__tlbie_pid(pid, RIC_FLUSH_TLB);
break;
case RIC_FLUSH_PWC:
__tlbie_pid(pid, RIC_FLUSH_PWC);
break;
case RIC_FLUSH_ALL:
default:
__tlbie_pid(pid, RIC_FLUSH_ALL);
}
asm volatile("eieio; tlbsync; ptesync": : :"memory");
}
@ -245,6 +261,16 @@ void radix__local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmadd
}
EXPORT_SYMBOL(radix__local_flush_tlb_page);
static bool mm_needs_flush_escalation(struct mm_struct *mm)
{
/*
* P9 nest MMU has issues with the page walk cache
* caching PTEs and not flushing them properly when
* RIC = 0 for a PID/LPID invalidate
*/
return atomic_read(&mm->context.copros) != 0;
}
#ifdef CONFIG_SMP
void radix__flush_tlb_mm(struct mm_struct *mm)
{
@ -255,9 +281,12 @@ void radix__flush_tlb_mm(struct mm_struct *mm)
return;
preempt_disable();
if (!mm_is_thread_local(mm))
_tlbie_pid(pid, RIC_FLUSH_TLB);
else
if (!mm_is_thread_local(mm)) {
if (mm_needs_flush_escalation(mm))
_tlbie_pid(pid, RIC_FLUSH_ALL);
else
_tlbie_pid(pid, RIC_FLUSH_TLB);
} else
_tlbiel_pid(pid, RIC_FLUSH_TLB);
preempt_enable();
}
@ -369,10 +398,14 @@ void radix__flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
}
if (full) {
if (local)
if (local) {
_tlbiel_pid(pid, RIC_FLUSH_TLB);
else
_tlbie_pid(pid, RIC_FLUSH_TLB);
} else {
if (mm_needs_flush_escalation(mm))
_tlbie_pid(pid, RIC_FLUSH_ALL);
else
_tlbie_pid(pid, RIC_FLUSH_TLB);
}
} else {
bool hflush = false;
unsigned long hstart, hend;
@ -482,6 +515,9 @@ static inline void __radix__flush_tlb_range_psize(struct mm_struct *mm,
}
if (full) {
if (!local && mm_needs_flush_escalation(mm))
also_pwc = true;
if (local)
_tlbiel_pid(pid, also_pwc ? RIC_FLUSH_ALL : RIC_FLUSH_TLB);
else

3
arch/x86/crypto/cast5_avx_glue.c
View File

@ -66,8 +66,6 @@ static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk,
void (*fn)(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
int err;
fn = (enc) ? cast5_ecb_enc_16way : cast5_ecb_dec_16way;
err = blkcipher_walk_virt(desc, walk);
desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
@ -79,6 +77,7 @@ static int ecb_crypt(struct blkcipher_desc *desc, struct blkcipher_walk *walk,
/* Process multi-block batch */
if (nbytes >= bsize * CAST5_PARALLEL_BLOCKS) {
fn = (enc) ? cast5_ecb_enc_16way : cast5_ecb_dec_16way;
do {
fn(ctx, wdst, wsrc);

1
arch/x86/include/asm/hw_irq.h
View File

@ -36,6 +36,7 @@ extern asmlinkage void kvm_posted_intr_wakeup_ipi(void);
extern asmlinkage void kvm_posted_intr_nested_ipi(void);
extern asmlinkage void error_interrupt(void);
extern asmlinkage void irq_work_interrupt(void);
extern asmlinkage void uv_bau_message_intr1(void);
extern asmlinkage void spurious_interrupt(void);
extern asmlinkage void thermal_interrupt(void);

3
arch/x86/kernel/idt.c
View File

@ -140,6 +140,9 @@ static const __initconst struct idt_data apic_idts[] = {
# ifdef CONFIG_IRQ_WORK
INTG(IRQ_WORK_VECTOR, irq_work_interrupt),
# endif
#ifdef CONFIG_X86_UV
INTG(UV_BAU_MESSAGE, uv_bau_message_intr1),
#endif
INTG(SPURIOUS_APIC_VECTOR, spurious_interrupt),
INTG(ERROR_APIC_VECTOR, error_interrupt),
#endif

2
arch/x86/platform/uv/tlb_uv.c
View File

@ -2254,8 +2254,6 @@ static int __init uv_bau_init(void)
init_uvhub(uvhub, vector, uv_base_pnode);
}
alloc_intr_gate(vector, uv_bau_message_intr1);
for_each_possible_blade(uvhub) {
if (uv_blade_nr_possible_cpus(uvhub)) {
unsigned long val;

4
block/bio.c
View File

@ -43,9 +43,9 @@
* break badly! cannot be bigger than what you can fit into an
* unsigned short
*/
#define BV(x) { .nr_vecs = x, .name = "biovec-"__stringify(x) }
#define BV(x, n) { .nr_vecs = x, .name = "biovec-"#n }
static struct biovec_slab bvec_slabs[BVEC_POOL_NR] __read_mostly = {
BV(1), BV(4), BV(16), BV(64), BV(128), BV(BIO_MAX_PAGES),
BV(1, 1), BV(4, 4), BV(16, 16), BV(64, 64), BV(128, 128), BV(BIO_MAX_PAGES, max),
};
#undef BV

4
block/partitions/msdos.c
View File

@ -301,7 +301,9 @@ static void parse_bsd(struct parsed_partitions *state,
continue;
bsd_start = le32_to_cpu(p->p_offset);
bsd_size = le32_to_cpu(p->p_size);
if (memcmp(flavour, "bsd\0", 4) == 0)
/* FreeBSD has relative offset if C partition offset is zero */
if (memcmp(flavour, "bsd\0", 4) == 0 &&
le32_to_cpu(l->d_partitions[2].p_offset) == 0)
bsd_start += offset;
if (offset == bsd_start && size == bsd_size)
/* full parent partition, we have it already */

7
crypto/ahash.c
View File

@ -92,13 +92,14 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
if (nbytes && walk->offset & alignmask && !err) {
walk->offset = ALIGN(walk->offset, alignmask + 1);
walk->data += walk->offset;
nbytes = min(nbytes,
((unsigned int)(PAGE_SIZE)) - walk->offset);
walk->entrylen -= nbytes;
return nbytes;
if (nbytes) {
walk->data += walk->offset;
return nbytes;
}
}
if (walk->flags & CRYPTO_ALG_ASYNC)

2
crypto/lrw.c
View File

@ -313,7 +313,7 @@ static void exit_crypt(struct skcipher_request *req)
rctx->left = 0;
if (rctx->ext)
kfree(rctx->ext);
kzfree(rctx->ext);
}
static int do_encrypt(struct skcipher_request *req, int err)

6
crypto/testmgr.h
View File

@ -548,7 +548,7 @@ static const struct akcipher_testvec rsa_tv_template[] = {
static const struct akcipher_testvec pkcs1pad_rsa_tv_template[] = {
{
.key =
"\x30\x82\x03\x1f\x02\x01\x10\x02\x82\x01\x01\x00\xd7\x1e\x77\x82"
"\x30\x82\x03\x1f\x02\x01\x00\x02\x82\x01\x01\x00\xd7\x1e\x77\x82"
"\x8c\x92\x31\xe7\x69\x02\xa2\xd5\x5c\x78\xde\xa2\x0c\x8f\xfe\x28"
"\x59\x31\xdf\x40\x9c\x60\x61\x06\xb9\x2f\x62\x40\x80\x76\xcb\x67"
"\x4a\xb5\x59\x56\x69\x17\x07\xfa\xf9\x4c\xbd\x6c\x37\x7a\x46\x7d"
@ -597,8 +597,8 @@ static const struct akcipher_testvec pkcs1pad_rsa_tv_template[] = {
"\xfe\xf8\x27\x1b\xd6\x55\x60\x5e\x48\xb7\x6d\x9a\xa8\x37\xf9\x7a"
"\xde\x1b\xcd\x5d\x1a\x30\xd4\xe9\x9e\x5b\x3c\x15\xf8\x9c\x1f\xda"
"\xd1\x86\x48\x55\xce\x83\xee\x8e\x51\xc7\xde\x32\x12\x47\x7d\x46"
"\xb8\x35\xdf\x41\x02\x01\x30\x02\x01\x30\x02\x01\x30\x02\x01\x30"
"\x02\x01\x30",
"\xb8\x35\xdf\x41\x02\x01\x00\x02\x01\x00\x02\x01\x00\x02\x01\x00"
"\x02\x01\x00",
.key_len = 804,
/*
* m is SHA256 hash of following message:

12
drivers/base/arch_topology.c
View File

@ -175,11 +175,11 @@ bool __init topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu)
}
#ifdef CONFIG_CPU_FREQ
static cpumask_var_t cpus_to_visit __initdata;
static void __init parsing_done_workfn(struct work_struct *work);
static __initdata DECLARE_WORK(parsing_done_work, parsing_done_workfn);
static cpumask_var_t cpus_to_visit;
static void parsing_done_workfn(struct work_struct *work);
static DECLARE_WORK(parsing_done_work, parsing_done_workfn);
static int __init
static int
init_cpu_capacity_callback(struct notifier_block *nb,
unsigned long val,
void *data)
@ -215,7 +215,7 @@ init_cpu_capacity_callback(struct notifier_block *nb,
return 0;
}
static struct notifier_block init_cpu_capacity_notifier __initdata = {
static struct notifier_block init_cpu_capacity_notifier = {
.notifier_call = init_cpu_capacity_callback,
};
@ -248,7 +248,7 @@ static int __init register_cpufreq_notifier(void)
}
core_initcall(register_cpufreq_notifier);
static void __init parsing_done_workfn(struct work_struct *work)
static void parsing_done_workfn(struct work_struct *work)
{
cpufreq_unregister_notifier(&init_cpu_capacity_notifier,
CPUFREQ_POLICY_NOTIFIER);

6
drivers/char/mem.c
View File

@ -137,7 +137,7 @@ static ssize_t read_mem(struct file *file, char __user *buf,
while (count > 0) {
unsigned long remaining;
int allowed;
int allowed, probe;
sz = size_inside_page(p, count);
@ -160,9 +160,9 @@ static ssize_t read_mem(struct file *file, char __user *buf,
if (!ptr)
goto failed;
err = probe_kernel_read(bounce, ptr, sz);
probe = probe_kernel_read(bounce, ptr, sz);
unxlate_dev_mem_ptr(p, ptr);
if (err)
if (probe)
goto failed;
remaining = copy_to_user(buf, bounce, sz);

6
drivers/cpufreq/cpufreq.c
View File

@ -637,8 +637,6 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
*governor = t;
err = 0;
}
if (t && !try_module_get(t->owner))
t = NULL;
mutex_unlock(&cpufreq_governor_mutex);
}
@ -767,10 +765,6 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy,
return -EINVAL;
ret = cpufreq_set_policy(policy, &new_policy);
if (new_policy.governor)
module_put(new_policy.governor->owner);
return ret ? ret : count;
}

3
drivers/crypto/caam/ctrl.c
View File

@ -813,9 +813,6 @@ static int caam_probe(struct platform_device *pdev)
return 0;
caam_remove:
#ifdef CONFIG_DEBUG_FS
debugfs_remove_recursive(ctrlpriv->dfs_root);
#endif
caam_remove(pdev);
return ret;

7
drivers/crypto/ccp/ccp-crypto-rsa.c
View File

@ -60,10 +60,9 @@ static int ccp_rsa_complete(struct crypto_async_request *async_req, int ret)
static unsigned int ccp_rsa_maxsize(struct crypto_akcipher *tfm)
{
if (ccp_version() > CCP_VERSION(3, 0))
return CCP5_RSA_MAXMOD;
else
return CCP_RSA_MAXMOD;
struct ccp_ctx *ctx = akcipher_tfm_ctx(tfm);
return ctx->u.rsa.n_len;
}
static int ccp_rsa_crypt(struct akcipher_request *req, bool encrypt)

2
drivers/crypto/inside-secure/safexcel.c
View File

@ -789,7 +789,7 @@ static int safexcel_probe(struct platform_device *pdev)
return PTR_ERR(priv->base);
}
priv->clk = of_clk_get(dev->of_node, 0);
priv->clk = devm_clk_get(&pdev->dev, NULL);
if (!IS_ERR(priv->clk)) {
ret = clk_prepare_enable(priv->clk);
if (ret) {

168
drivers/crypto/talitos.c
View File

@ -832,8 +832,6 @@ struct talitos_ctx {
unsigned int keylen;
unsigned int enckeylen;
unsigned int authkeylen;
dma_addr_t dma_buf;
dma_addr_t dma_hw_context;
};
#define HASH_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE
@ -1130,10 +1128,10 @@ next:
return count;
}
static int talitos_sg_map(struct device *dev, struct scatterlist *src,
unsigned int len, struct talitos_edesc *edesc,
struct talitos_ptr *ptr,
int sg_count, unsigned int offset, int tbl_off)
static int talitos_sg_map_ext(struct device *dev, struct scatterlist *src,
unsigned int len, struct talitos_edesc *edesc,
struct talitos_ptr *ptr, int sg_count,
unsigned int offset, int tbl_off, int elen)
{
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
@ -1142,6 +1140,7 @@ static int talitos_sg_map(struct device *dev, struct scatterlist *src,
to_talitos_ptr(ptr, 0, 0, is_sec1);
return 1;
}
to_talitos_ptr_ext_set(ptr, elen, is_sec1);
if (sg_count == 1) {
to_talitos_ptr(ptr, sg_dma_address(src) + offset, len, is_sec1);
return sg_count;
@ -1150,7 +1149,7 @@ static int talitos_sg_map(struct device *dev, struct scatterlist *src,
to_talitos_ptr(ptr, edesc->dma_link_tbl + offset, len, is_sec1);
return sg_count;
}
sg_count = sg_to_link_tbl_offset(src, sg_count, offset, len,
sg_count = sg_to_link_tbl_offset(src, sg_count, offset, len + elen,
&edesc->link_tbl[tbl_off]);
if (sg_count == 1) {
/* Only one segment now, so no link tbl needed*/
@ -1164,6 +1163,15 @@ static int talitos_sg_map(struct device *dev, struct scatterlist *src,
return sg_count;
}
static int talitos_sg_map(struct device *dev, struct scatterlist *src,
unsigned int len, struct talitos_edesc *edesc,
struct talitos_ptr *ptr, int sg_count,
unsigned int offset, int tbl_off)
{
return talitos_sg_map_ext(dev, src, len, edesc, ptr, sg_count, offset,
tbl_off, 0);
}
/*
* fill in and submit ipsec_esp descriptor
*/
@ -1181,7 +1189,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
unsigned int ivsize = crypto_aead_ivsize(aead);
int tbl_off = 0;
int sg_count, ret;
int sg_link_tbl_len;
int elen = 0;
bool sync_needed = false;
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
@ -1223,17 +1231,11 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
* extent is bytes of HMAC postpended to ciphertext,
* typically 12 for ipsec
*/
sg_link_tbl_len = cryptlen;
if (is_ipsec_esp && (desc->hdr & DESC_HDR_MODE1_MDEU_CICV))
elen = authsize;
if (is_ipsec_esp) {
to_talitos_ptr_ext_set(&desc->ptr[4], authsize, is_sec1);
if (desc->hdr & DESC_HDR_MODE1_MDEU_CICV)
sg_link_tbl_len += authsize;
}
ret = talitos_sg_map(dev, areq->src, sg_link_tbl_len, edesc,
&desc->ptr[4], sg_count, areq->assoclen, tbl_off);
ret = talitos_sg_map_ext(dev, areq->src, cryptlen, edesc, &desc->ptr[4],
sg_count, areq->assoclen, tbl_off, elen);
if (ret > 1) {
tbl_off += ret;
@ -1690,9 +1692,30 @@ static void common_nonsnoop_hash_unmap(struct device *dev,
struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
struct talitos_desc *desc = &edesc->desc;
struct talitos_desc *desc2 = desc + 1;
unmap_single_talitos_ptr(dev, &edesc->desc.ptr[5], DMA_FROM_DEVICE);
if (desc->next_desc &&
desc->ptr[5].ptr != desc2->ptr[5].ptr)
unmap_single_talitos_ptr(dev, &desc2->ptr[5], DMA_FROM_DEVICE);
talitos_sg_unmap(dev, edesc, req_ctx->psrc, NULL, 0, 0);
/* When using hashctx-in, must unmap it. */
if (from_talitos_ptr_len(&edesc->desc.ptr[1], is_sec1))
unmap_single_talitos_ptr(dev, &edesc->desc.ptr[1],
DMA_TO_DEVICE);
else if (desc->next_desc)
unmap_single_talitos_ptr(dev, &desc2->ptr[1],
DMA_TO_DEVICE);
if (is_sec1 && req_ctx->nbuf)
unmap_single_talitos_ptr(dev, &desc->ptr[3],
DMA_TO_DEVICE);
if (edesc->dma_len)
dma_unmap_single(dev, edesc->dma_link_tbl, edesc->dma_len,
DMA_BIDIRECTIONAL);
@ -1766,8 +1789,10 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
/* hash context in */
if (!req_ctx->first || req_ctx->swinit) {
to_talitos_ptr(&desc->ptr[1], ctx->dma_hw_context,
req_ctx->hw_context_size, is_sec1);
map_single_talitos_ptr(dev, &desc->ptr[1],
req_ctx->hw_context_size,
(char *)req_ctx->hw_context,
DMA_TO_DEVICE);
req_ctx->swinit = 0;
}
/* Indicate next op is not the first. */
@ -1793,10 +1818,9 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
* data in
*/
if (is_sec1 && req_ctx->nbuf) {
dma_addr_t dma_buf = ctx->dma_buf + req_ctx->buf_idx *
HASH_MAX_BLOCK_SIZE;
to_talitos_ptr(&desc->ptr[3], dma_buf, req_ctx->nbuf, is_sec1);
map_single_talitos_ptr(dev, &desc->ptr[3], req_ctx->nbuf,
req_ctx->buf[req_ctx->buf_idx],
DMA_TO_DEVICE);
} else {
sg_count = talitos_sg_map(dev, req_ctx->psrc, length, edesc,
&desc->ptr[3], sg_count, offset, 0);
@ -1812,8 +1836,9 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
crypto_ahash_digestsize(tfm),
areq->result, DMA_FROM_DEVICE);
else
to_talitos_ptr(&desc->ptr[5], ctx->dma_hw_context,
req_ctx->hw_context_size, is_sec1);
map_single_talitos_ptr(dev, &desc->ptr[5],
req_ctx->hw_context_size,
req_ctx->hw_context, DMA_FROM_DEVICE);
/* last DWORD empty */
@ -1832,9 +1857,14 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
desc->hdr |= DESC_HDR_MODE0_MDEU_CONT;
desc->hdr &= ~DESC_HDR_DONE_NOTIFY;
to_talitos_ptr(&desc2->ptr[1], ctx->dma_hw_context,
req_ctx->hw_context_size, is_sec1);
if (desc->ptr[1].ptr)
copy_talitos_ptr(&desc2->ptr[1], &desc->ptr[1],
is_sec1);
else
map_single_talitos_ptr(dev, &desc2->ptr[1],
req_ctx->hw_context_size,
req_ctx->hw_context,
DMA_TO_DEVICE);
copy_talitos_ptr(&desc2->ptr[2], &desc->ptr[2], is_sec1);
sg_count = talitos_sg_map(dev, req_ctx->psrc, length, edesc,
&desc2->ptr[3], sg_count, offset, 0);
@ -1842,8 +1872,10 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
sync_needed = true;
copy_talitos_ptr(&desc2->ptr[5], &desc->ptr[5], is_sec1);
if (req_ctx->last)
to_talitos_ptr(&desc->ptr[5], ctx->dma_hw_context,
req_ctx->hw_context_size, is_sec1);
map_single_talitos_ptr(dev, &desc->ptr[5],
req_ctx->hw_context_size,
req_ctx->hw_context,
DMA_FROM_DEVICE);
next_desc = dma_map_single(dev, &desc2->hdr1, TALITOS_DESC_SIZE,
DMA_BIDIRECTIONAL);
@ -1881,12 +1913,8 @@ static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq,
static int ahash_init(struct ahash_request *areq)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
struct device *dev = ctx->dev;
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
unsigned int size;
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
/* Initialize the context */
req_ctx->buf_idx = 0;
@ -1898,18 +1926,6 @@ static int ahash_init(struct ahash_request *areq)
: TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
req_ctx->hw_context_size = size;
if (ctx->dma_hw_context)
dma_unmap_single(dev, ctx->dma_hw_context, size,
DMA_BIDIRECTIONAL);
ctx->dma_hw_context = dma_map_single(dev, req_ctx->hw_context, size,
DMA_BIDIRECTIONAL);
if (ctx->dma_buf)
dma_unmap_single(dev, ctx->dma_buf, sizeof(req_ctx->buf),
DMA_TO_DEVICE);
if (is_sec1)
ctx->dma_buf = dma_map_single(dev, req_ctx->buf,
sizeof(req_ctx->buf),
DMA_TO_DEVICE);
return 0;
}
@ -1920,9 +1936,6 @@ static int ahash_init(struct ahash_request *areq)
static int ahash_init_sha224_swinit(struct ahash_request *areq)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
struct device *dev = ctx->dev;
ahash_init(areq);
req_ctx->swinit = 1;/* prevent h/w initting context with sha256 values*/
@ -1940,9 +1953,6 @@ static int ahash_init_sha224_swinit(struct ahash_request *areq)
req_ctx->hw_context[8] = 0;
req_ctx->hw_context[9] = 0;
dma_sync_single_for_device(dev, ctx->dma_hw_context,
req_ctx->hw_context_size, DMA_TO_DEVICE);
return 0;
}
@ -2046,13 +2056,6 @@ static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
/* request SEC to INIT hash. */
if (req_ctx->first && !req_ctx->swinit)
edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT;
if (is_sec1) {
dma_addr_t dma_buf = ctx->dma_buf + req_ctx->buf_idx *
HASH_MAX_BLOCK_SIZE;
dma_sync_single_for_device(dev, dma_buf,
req_ctx->nbuf, DMA_TO_DEVICE);
}
/* When the tfm context has a keylen, it's an HMAC.
* A first or last (ie. not middle) descriptor must request HMAC.
@ -2106,12 +2109,7 @@ static int ahash_export(struct ahash_request *areq, void *out)
{
struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
struct talitos_export_state *export = out;
struct crypto_ahash *ahash = crypto_ahash_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ahash_ctx(ahash);
struct device *dev = ctx->dev;
dma_sync_single_for_cpu(dev, ctx->dma_hw_context,
req_ctx->hw_context_size, DMA_FROM_DEVICE);
memcpy(export->hw_context, req_ctx->hw_context,
req_ctx->hw_context_size);
memcpy(export->buf, req_ctx->buf[req_ctx->buf_idx], req_ctx->nbuf);
@ -2130,31 +2128,14 @@ static int ahash_import(struct ahash_request *areq, const void *in)
struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
const struct talitos_export_state *export = in;
unsigned int size;
struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
struct device *dev = ctx->dev;
struct talitos_private *priv = dev_get_drvdata(dev);
bool is_sec1 = has_ftr_sec1(priv);
memset(req_ctx, 0, sizeof(*req_ctx));
size = (crypto_ahash_digestsize(tfm) <= SHA256_DIGEST_SIZE)
? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
: TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
req_ctx->hw_context_size = size;
if (ctx->dma_hw_context)
dma_unmap_single(dev, ctx->dma_hw_context, size,
DMA_BIDIRECTIONAL);
memcpy(req_ctx->hw_context, export->hw_context, size);
ctx->dma_hw_context = dma_map_single(dev, req_ctx->hw_context, size,
DMA_BIDIRECTIONAL);
if (ctx->dma_buf)
dma_unmap_single(dev, ctx->dma_buf, sizeof(req_ctx->buf),
DMA_TO_DEVICE);
memcpy(req_ctx->buf[0], export->buf, export->nbuf);
if (is_sec1)
ctx->dma_buf = dma_map_single(dev, req_ctx->buf,
sizeof(req_ctx->buf),
DMA_TO_DEVICE);
req_ctx->swinit = export->swinit;
req_ctx->first = export->first;
req_ctx->last = export->last;
@ -3064,27 +3045,6 @@ static void talitos_cra_exit(struct crypto_tfm *tfm)
dma_unmap_single(dev, ctx->dma_key, ctx->keylen, DMA_TO_DEVICE);
}
static void talitos_cra_exit_ahash(struct crypto_tfm *tfm)
{
struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
struct device *dev = ctx->dev;
unsigned int size;
talitos_cra_exit(tfm);
size = (crypto_ahash_digestsize(__crypto_ahash_cast(tfm)) <=
SHA256_DIGEST_SIZE)
? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
: TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
if (ctx->dma_hw_context)
dma_unmap_single(dev, ctx->dma_hw_context, size,
DMA_BIDIRECTIONAL);
if (ctx->dma_buf)
dma_unmap_single(dev, ctx->dma_buf, HASH_MAX_BLOCK_SIZE * 2,
DMA_TO_DEVICE);
}
/*
* given the alg's descriptor header template, determine whether descriptor
* type and primary/secondary execution units required match the hw
@ -3183,7 +3143,7 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
case CRYPTO_ALG_TYPE_AHASH:
alg = &t_alg->algt.alg.hash.halg.base;
alg->cra_init = talitos_cra_init_ahash;
alg->cra_exit = talitos_cra_exit_ahash;
alg->cra_exit = talitos_cra_exit;
alg->cra_type = &crypto_ahash_type;
t_alg->algt.alg.hash.init = ahash_init;
t_alg->algt.alg.hash.update = ahash_update;

12
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -2208,8 +2208,7 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
intel_prepare_dp_ddi_buffers(encoder);
intel_ddi_init_dp_buf_reg(encoder);
if (!is_mst)
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
intel_dp_start_link_train(intel_dp);
if (port != PORT_A || INTEL_GEN(dev_priv) >= 9)
intel_dp_stop_link_train(intel_dp);
@ -2294,19 +2293,12 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
struct intel_dp *intel_dp = &dig_port->dp;
/*
* old_crtc_state and old_conn_state are NULL when called from
* DP_MST. The main connector associated with this port is never
* bound to a crtc for MST.
*/
bool is_mst = !old_crtc_state;
/*
* Power down sink before disabling the port, otherwise we end
* up getting interrupts from the sink on detecting link loss.
*/
if (!is_mst)
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
intel_disable_ddi_buf(encoder);

5
drivers/i2c/busses/i2c-stm32f7.c
View File

@ -888,6 +888,11 @@ static int stm32f7_i2c_probe(struct platform_device *pdev)
}
setup = of_device_get_match_data(&pdev->dev);
if (!setup) {
dev_err(&pdev->dev, "Can't get device data\n");
ret = -ENODEV;
goto clk_free;
}
i2c_dev->setup = *setup;
ret = device_property_read_u32(i2c_dev->dev, "i2c-scl-rising-time-ns",

25
drivers/infiniband/core/addr.c
View File

@ -207,6 +207,22 @@ int rdma_addr_size(struct sockaddr *addr)
}
EXPORT_SYMBOL(rdma_addr_size);
int rdma_addr_size_in6(struct sockaddr_in6 *addr)
{
int ret = rdma_addr_size((struct sockaddr *) addr);
return ret <= sizeof(*addr) ? ret : 0;
}
EXPORT_SYMBOL(rdma_addr_size_in6);
int rdma_addr_size_kss(struct __kernel_sockaddr_storage *addr)
{
int ret = rdma_addr_size((struct sockaddr *) addr);
return ret <= sizeof(*addr) ? ret : 0;
}
EXPORT_SYMBOL(rdma_addr_size_kss);
static struct rdma_addr_client self;
void rdma_addr_register_client(struct rdma_addr_client *client)
@ -598,6 +614,15 @@ static void process_one_req(struct work_struct *_work)
list_del(&req->list);
mutex_unlock(&lock);
/*
* Although the work will normally have been canceled by the
* workqueue, it can still be requeued as long as it is on the
* req_list, so it could have been requeued before we grabbed &lock.
* We need to cancel it after it is removed from req_list to really be
* sure it is safe to free.
*/
cancel_delayed_work(&req->work);
req->callback(req->status, (struct sockaddr *)&req->src_addr,
req->addr, req->context);
put_client(req->client);

61
drivers/infiniband/core/ucma.c
View File

@ -132,7 +132,7 @@ static inline struct ucma_context *_ucma_find_context(int id,
ctx = idr_find(&ctx_idr, id);
if (!ctx)
ctx = ERR_PTR(-ENOENT);
else if (ctx->file != file)
else if (ctx->file != file || !ctx->cm_id)
ctx = ERR_PTR(-EINVAL);
return ctx;
}
@ -456,6 +456,7 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf,
struct rdma_ucm_create_id cmd;
struct rdma_ucm_create_id_resp resp;
struct ucma_context *ctx;
struct rdma_cm_id *cm_id;
enum ib_qp_type qp_type;
int ret;
@ -476,10 +477,10 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf,
return -ENOMEM;
ctx->uid = cmd.uid;
ctx->cm_id = rdma_create_id(current->nsproxy->net_ns,
ucma_event_handler, ctx, cmd.ps, qp_type);
if (IS_ERR(ctx->cm_id)) {
ret = PTR_ERR(ctx->cm_id);
cm_id = rdma_create_id(current->nsproxy->net_ns,
ucma_event_handler, ctx, cmd.ps, qp_type);
if (IS_ERR(cm_id)) {
ret = PTR_ERR(cm_id);
goto err1;
}
@ -489,14 +490,19 @@ static ssize_t ucma_create_id(struct ucma_file *file, const char __user *inbuf,
ret = -EFAULT;
goto err2;
}
ctx->cm_id = cm_id;
return 0;
err2:
rdma_destroy_id(ctx->cm_id);
rdma_destroy_id(cm_id);
err1:
mutex_lock(&mut);
idr_remove(&ctx_idr, ctx->id);
mutex_unlock(&mut);
mutex_lock(&file->mut);
list_del(&ctx->list);
mutex_unlock(&file->mut);
kfree(ctx);
return ret;
}
@ -626,6 +632,9 @@ static ssize_t ucma_bind_ip(struct ucma_file *file, const char __user *inbuf,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
if (!rdma_addr_size_in6(&cmd.addr))
return -EINVAL;
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
@ -639,22 +648,21 @@ static ssize_t ucma_bind(struct ucma_file *file, const char __user *inbuf,
int in_len, int out_len)
{
struct rdma_ucm_bind cmd;
struct sockaddr *addr;
struct ucma_context *ctx;
int ret;
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
addr = (struct sockaddr *) &cmd.addr;
if (cmd.reserved || !cmd.addr_size || (cmd.addr_size != rdma_addr_size(addr)))
if (cmd.reserved || !cmd.addr_size ||
cmd.addr_size != rdma_addr_size_kss(&cmd.addr))
return -EINVAL;
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = rdma_bind_addr(ctx->cm_id, addr);
ret = rdma_bind_addr(ctx->cm_id, (struct sockaddr *) &cmd.addr);
ucma_put_ctx(ctx);
return ret;
}
@ -670,13 +678,16 @@ static ssize_t ucma_resolve_ip(struct ucma_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
if (!rdma_addr_size_in6(&cmd.src_addr) ||
!rdma_addr_size_in6(&cmd.dst_addr))
return -EINVAL;
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = rdma_resolve_addr(ctx->cm_id, (struct sockaddr *) &cmd.src_addr,
(struct sockaddr *) &cmd.dst_addr,
cmd.timeout_ms);
(struct sockaddr *) &cmd.dst_addr, cmd.timeout_ms);
ucma_put_ctx(ctx);
return ret;
}
@ -686,24 +697,23 @@ static ssize_t ucma_resolve_addr(struct ucma_file *file,
int in_len, int out_len)
{
struct rdma_ucm_resolve_addr cmd;
struct sockaddr *src, *dst;
struct ucma_context *ctx;
int ret;
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
src = (struct sockaddr *) &cmd.src_addr;
dst = (struct sockaddr *) &cmd.dst_addr;
if (cmd.reserved || (cmd.src_size && (cmd.src_size != rdma_addr_size(src))) ||
!cmd.dst_size || (cmd.dst_size != rdma_addr_size(dst)))
if (cmd.reserved ||
(cmd.src_size && (cmd.src_size != rdma_addr_size_kss(&cmd.src_addr))) ||
!cmd.dst_size || (cmd.dst_size != rdma_addr_size_kss(&cmd.dst_addr)))
return -EINVAL;
ctx = ucma_get_ctx(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = rdma_resolve_addr(ctx->cm_id, src, dst, cmd.timeout_ms);
ret = rdma_resolve_addr(ctx->cm_id, (struct sockaddr *) &cmd.src_addr,
(struct sockaddr *) &cmd.dst_addr, cmd.timeout_ms);
ucma_put_ctx(ctx);
return ret;
}
@ -1155,6 +1165,11 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
if (!ctx->cm_id->device) {
ret = -EINVAL;
goto out;
}
resp.qp_attr_mask = 0;
memset(&qp_attr, 0, sizeof qp_attr);
qp_attr.qp_state = cmd.qp_state;
@ -1320,7 +1335,7 @@ static ssize_t ucma_notify(struct ucma_file *file, const char __user *inbuf,
{
struct rdma_ucm_notify cmd;
struct ucma_context *ctx;
int ret;
int ret = -EINVAL;
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
@ -1329,7 +1344,9 @@ static ssize_t ucma_notify(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = rdma_notify(ctx->cm_id, (enum ib_event_type) cmd.event);
if (ctx->cm_id->device)
ret = rdma_notify(ctx->cm_id, (enum ib_event_type)cmd.event);
ucma_put_ctx(ctx);
return ret;
}
@ -1415,7 +1432,7 @@ static ssize_t ucma_join_ip_multicast(struct ucma_file *file,
join_cmd.response = cmd.response;
join_cmd.uid = cmd.uid;
join_cmd.id = cmd.id;
join_cmd.addr_size = rdma_addr_size((struct sockaddr *) &cmd.addr);
join_cmd.addr_size = rdma_addr_size_in6(&cmd.addr);
if (!join_cmd.addr_size)
return -EINVAL;
@ -1434,7 +1451,7 @@ static ssize_t ucma_join_multicast(struct ucma_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
if (!rdma_addr_size((struct sockaddr *)&cmd.addr))
if (!rdma_addr_size_kss(&cmd.addr))
return -EINVAL;
return ucma_process_join(file, &cmd, out_len);

24
drivers/input/mouse/alps.c
View File

@ -2544,13 +2544,31 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4],
}
static int alps_update_dual_info_ss4_v2(unsigned char otp[][4],
struct alps_data *priv)
struct alps_data *priv,
struct psmouse *psmouse)
{
bool is_dual = false;
int reg_val = 0;
struct ps2dev *ps2dev = &psmouse->ps2dev;
if (IS_SS4PLUS_DEV(priv->dev_id))
if (IS_SS4PLUS_DEV(priv->dev_id)) {
is_dual = (otp[0][0] >> 4) & 0x01;
if (!is_dual) {
/* For support TrackStick of Thinkpad L/E series */
if (alps_exit_command_mode(psmouse) == 0 &&
alps_enter_command_mode(psmouse) == 0) {
reg_val = alps_command_mode_read_reg(psmouse,
0xD7);
}
alps_exit_command_mode(psmouse);
ps2_command(ps2dev, NULL, PSMOUSE_CMD_ENABLE);
if (reg_val == 0x0C || reg_val == 0x1D)
is_dual = true;
}
}
if (is_dual)
priv->flags |= ALPS_DUALPOINT |
ALPS_DUALPOINT_WITH_PRESSURE;
@ -2573,7 +2591,7 @@ static int alps_set_defaults_ss4_v2(struct psmouse *psmouse,
alps_update_btn_info_ss4_v2(otp, priv);
alps_update_dual_info_ss4_v2(otp, priv);
alps_update_dual_info_ss4_v2(otp, priv, psmouse);
return 0;
}

24
drivers/input/serio/i8042-x86ia64io.h
View File

@ -530,6 +530,20 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
{ }
};
static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
{
/*
* Sony Vaio VGN-CS series require MUX or the touch sensor
* buttons will disturb touchpad operation
*/
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
},
},
{ }
};
/*
* On some Asus laptops, just running self tests cause problems.
*/
@ -620,6 +634,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
},
},
{
/* Lenovo ThinkPad L460 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
},
},
{
/* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
.matches = {
@ -1163,6 +1184,9 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_nomux_table))
i8042_nomux = true;
if (dmi_check_system(i8042_dmi_forcemux_table))
i8042_nomux = false;
if (dmi_check_system(i8042_dmi_notimeout_table))
i8042_notimeout = true;

2
drivers/media/usb/usbtv/usbtv-core.c
View File

@ -112,6 +112,8 @@ static int usbtv_probe(struct usb_interface *intf,
return 0;
usbtv_audio_fail:
/* we must not free at this point */
usb_get_dev(usbtv->udev);
usbtv_video_free(usbtv);
usbtv_video_fail:

1
drivers/misc/mei/main.c
View File

@ -507,7 +507,6 @@ static long mei_ioctl(struct file *file, unsigned int cmd, unsigned long data)
break;
default:
dev_err(dev->dev, ": unsupported ioctl %d.\n", cmd);
rets = -ENOIOCTLCMD;
}

2
drivers/mtd/chips/jedec_probe.c
View File

@ -1889,6 +1889,8 @@ static inline u32 jedec_read_mfr(struct map_info *map, uint32_t base,
do {
uint32_t ofs = cfi_build_cmd_addr(0 + (bank << 8), map, cfi);
mask = (1 << (cfi->device_type * 8)) - 1;
if (ofs >= map->size)
return 0;
result = map_read(map, base + ofs);
bank++;
} while ((result.x[0] & mask) == CFI_MFR_CONTINUATION);

2
drivers/mtd/nand/atmel/pmecc.c
View File

@ -426,7 +426,7 @@ static int get_strength(struct atmel_pmecc_user *user)
static int get_sectorsize(struct atmel_pmecc_user *user)
{
return user->cache.cfg & PMECC_LOOKUP_TABLE_SIZE_1024 ? 1024 : 512;
return user->cache.cfg & PMECC_CFG_SECTOR1024 ? 1024 : 512;
}
static void atmel_pmecc_gen_syndrome(struct atmel_pmecc_user *user, int sector)

2
drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
View File

@ -666,7 +666,7 @@ static void hns_gmac_get_strings(u32 stringset, u8 *data)
static int hns_gmac_get_sset_count(int stringset)
{
if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS)
if (stringset == ETH_SS_STATS)
return ARRAY_SIZE(g_gmac_stats_string);
return 0;

2
drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
View File

@ -422,7 +422,7 @@ void hns_ppe_update_stats(struct hns_ppe_cb *ppe_cb)
int hns_ppe_get_sset_count(int stringset)
{
if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS)
if (stringset == ETH_SS_STATS)
return ETH_PPE_STATIC_NUM;
return 0;
}

2
drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
View File

@ -876,7 +876,7 @@ void hns_rcb_get_stats(struct hnae_queue *queue, u64 *data)
*/
int hns_rcb_get_ring_sset_count(int stringset)
{
if (stringset == ETH_SS_STATS || stringset == ETH_SS_PRIV_FLAGS)
if (stringset == ETH_SS_STATS)
return HNS_RING_STATIC_REG_NUM;
return 0;

4
drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
View File

@ -993,8 +993,10 @@ int hns_get_sset_count(struct net_device *netdev, int stringset)
cnt--;
return cnt;
} else {
} else if (stringset == ETH_SS_STATS) {
return (HNS_NET_STATS_CNT + ops->get_sset_count(h, stringset));
} else {
return -EOPNOTSUPP;
}
}

4
drivers/parport/parport_pc.c
View File

@ -2646,6 +2646,7 @@ enum parport_pc_pci_cards {
netmos_9901,
netmos_9865,
quatech_sppxp100,
wch_ch382l,
};
@ -2708,6 +2709,7 @@ static struct parport_pc_pci {
/* netmos_9901 */ { 1, { { 0, -1 }, } },
/* netmos_9865 */ { 1, { { 0, -1 }, } },
/* quatech_sppxp100 */ { 1, { { 0, 1 }, } },
/* wch_ch382l */ { 1, { { 2, -1 }, } },
};
static const struct pci_device_id parport_pc_pci_tbl[] = {
@ -2797,6 +2799,8 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
/* Quatech SPPXP-100 Parallel port PCI ExpressCard */
{ PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_SPPXP_100,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 },
/* WCH CH382L PCI-E single parallel port card */
{ 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382l },
{ 0, } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, parport_pc_pci_tbl);

5
drivers/phy/qualcomm/phy-qcom-ufs.c
View File

@ -675,3 +675,8 @@ int ufs_qcom_phy_power_off(struct phy *generic_phy)
return 0;
}
EXPORT_SYMBOL_GPL(ufs_qcom_phy_power_off);
MODULE_AUTHOR("Yaniv Gardi <ygardi@codeaurora.org>");
MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY");
MODULE_LICENSE("GPL v2");

2
drivers/staging/comedi/drivers/ni_mio_common.c
View File

@ -1284,6 +1284,8 @@ static void ack_a_interrupt(struct comedi_device *dev, unsigned short a_status)
ack |= NISTC_INTA_ACK_AI_START;
if (a_status & NISTC_AI_STATUS1_STOP)
ack |= NISTC_INTA_ACK_AI_STOP;
if (a_status & NISTC_AI_STATUS1_OVER)
ack |= NISTC_INTA_ACK_AI_ERR;
if (ack)
ni_stc_writew(dev, ack, NISTC_INTA_ACK_REG);
}

1
drivers/tty/serial/8250/8250_of.c
View File

@ -316,6 +316,7 @@ static const struct of_device_id of_platform_serial_table[] = {
{ .compatible = "mrvl,mmp-uart",
.data = (void *)PORT_XSCALE, },
{ .compatible = "ti,da830-uart", .data = (void *)PORT_DA830, },
{ .compatible = "nuvoton,npcm750-uart", .data = (void *)PORT_NPCM, },
{ /* end of list */ },
};
MODULE_DEVICE_TABLE(of, of_platform_serial_table);

33
drivers/tty/serial/8250/8250_port.c
View File

@ -47,6 +47,10 @@
#define UART_EXAR_SLEEP 0x8b /* Sleep mode */
#define UART_EXAR_DVID 0x8d /* Device identification */
/* Nuvoton NPCM timeout register */
#define UART_NPCM_TOR 7
#define UART_NPCM_TOIE BIT(7) /* Timeout Interrupt Enable */
/*
* Debugging.
*/
@ -293,6 +297,15 @@ static const struct serial8250_config uart_config[] = {
UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
.flags = UART_CAP_FIFO,
},
[PORT_NPCM] = {
.name = "Nuvoton 16550",
.fifo_size = 16,
.tx_loadsz = 16,
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10 |
UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT,
.rxtrig_bytes = {1, 4, 8, 14},
.flags = UART_CAP_FIFO,
},
};
/* Uart divisor latch read */
@ -2161,6 +2174,15 @@ int serial8250_do_startup(struct uart_port *port)
UART_DA830_PWREMU_MGMT_FREE);
}
if (port->type == PORT_NPCM) {
/*
* Nuvoton calls the scratch register 'UART_TOR' (timeout
* register). Enable it, and set TIOC (timeout interrupt
* comparator) to be 0x20 for correct operation.
*/
serial_port_out(port, UART_NPCM_TOR, UART_NPCM_TOIE | 0x20);
}
#ifdef CONFIG_SERIAL_8250_RSA
/*
* If this is an RSA port, see if we can kick it up to the
@ -2483,6 +2505,15 @@ static unsigned int xr17v35x_get_divisor(struct uart_8250_port *up,
return quot_16 >> 4;
}
/* Nuvoton NPCM UARTs have a custom divisor calculation */
static unsigned int npcm_get_divisor(struct uart_8250_port *up,
unsigned int baud)
{
struct uart_port *port = &up->port;
return DIV_ROUND_CLOSEST(port->uartclk, 16 * baud + 2) - 2;
}
static unsigned int serial8250_get_divisor(struct uart_8250_port *up,
unsigned int baud,
unsigned int *frac)
@ -2503,6 +2534,8 @@ static unsigned int serial8250_get_divisor(struct uart_8250_port *up,
quot = 0x8002;
else if (up->port.type == PORT_XR17V35X)
quot = xr17v35x_get_divisor(up, baud, frac);
else if (up->port.type == PORT_NPCM)
quot = npcm_get_divisor(up, baud);
else
quot = uart_get_divisor(port, baud);

6
drivers/tty/vt/vt.c
View File

@ -1354,6 +1354,11 @@ static void csi_m(struct vc_data *vc)
case 3:
vc->vc_italic = 1;
break;
case 21:
/*
* No console drivers support double underline, so
* convert it to a single underline.
*/
case 4:
vc->vc_underline = 1;
break;
@ -1389,7 +1394,6 @@ static void csi_m(struct vc_data *vc)
vc->vc_disp_ctrl = 1;
vc->vc_toggle_meta = 1;
break;
case 21:
case 22:
vc->vc_intensity = 1;
break;

1
drivers/usb/serial/cp210x.c
View File

@ -155,6 +155,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */
{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
{ USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */
{ USB_DEVICE(0x155A, 0x1006) }, /* ELDAT Easywave RX09 */
{ USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */
{ USB_DEVICE(0x166A, 0x0301) }, /* Clipsal 5800PC C-Bus Wireless PC Interface */
{ USB_DEVICE(0x166A, 0x0303) }, /* Clipsal 5500PCU C-Bus USB interface */

2
drivers/usb/serial/ftdi_sio.c
View File

@ -769,6 +769,7 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
{ USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) },
{ USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) },
{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
{ USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
@ -931,6 +932,7 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_FHE_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
{ USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },

9
drivers/usb/serial/ftdi_sio_ids.h
View File

@ -923,6 +923,9 @@
/*
* RT Systems programming cables for various ham radios
*/
/* This device uses the VID of FTDI */
#define RTSYSTEMS_USB_VX8_PID 0x9e50 /* USB-VX8 USB to 7 pin modular plug for Yaesu VX-8 radio */
#define RTSYSTEMS_VID 0x2100 /* Vendor ID */
#define RTSYSTEMS_USB_S03_PID 0x9001 /* RTS-03 USB to Serial Adapter */
#define RTSYSTEMS_USB_59_PID 0x9e50 /* USB-59 USB to 8 pin plug */
@ -1441,6 +1444,12 @@
*/
#define FTDI_CINTERION_MC55I_PID 0xA951
/*
* Product: FirmwareHubEmulator
* Manufacturer: Harman Becker Automotive Systems
*/
#define FTDI_FHE_PID 0xA9A0
/*
* Product: Comet Caller ID decoder
* Manufacturer: Crucible Technologies

37
fs/btrfs/inode.c
View File

@ -1257,6 +1257,8 @@ static noinline int csum_exist_in_range(struct btrfs_fs_info *fs_info,
list_del(&sums->list);
kfree(sums);
}
if (ret < 0)
return ret;
return 1;
}
@ -1389,10 +1391,23 @@ next_slot:
goto out_check;
if (btrfs_extent_readonly(fs_info, disk_bytenr))
goto out_check;
if (btrfs_cross_ref_exist(root, ino,
found_key.offset -
extent_offset, disk_bytenr))
ret = btrfs_cross_ref_exist(root, ino,
found_key.offset -
extent_offset, disk_bytenr);
if (ret) {
/*
* ret could be -EIO if the above fails to read
* metadata.
*/
if (ret < 0) {
if (cow_start != (u64)-1)
cur_offset = cow_start;
goto error;
}
WARN_ON_ONCE(nolock);
goto out_check;
}
disk_bytenr += extent_offset;
disk_bytenr += cur_offset - found_key.offset;
num_bytes = min(end + 1, extent_end) - cur_offset;
@ -1410,10 +1425,22 @@ next_slot:
* this ensure that csum for a given extent are
* either valid or do not exist.
*/
if (csum_exist_in_range(fs_info, disk_bytenr,
num_bytes)) {
ret = csum_exist_in_range(fs_info, disk_bytenr,
num_bytes);
if (ret) {
if (!nolock)
btrfs_end_write_no_snapshotting(root);
/*
* ret could be -EIO if the above fails to read
* metadata.
*/
if (ret < 0) {
if (cow_start != (u64)-1)
cur_offset = cow_start;
goto error;
}
WARN_ON_ONCE(nolock);
goto out_check;
}
if (!btrfs_inc_nocow_writers(fs_info, disk_bytenr)) {

9
fs/ceph/file.c
View File

@ -635,7 +635,8 @@ static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to,
struct ceph_aio_request {
struct kiocb *iocb;
size_t total_len;
int write;
bool write;
bool should_dirty;
int error;
struct list_head osd_reqs;
unsigned num_reqs;
@ -745,7 +746,7 @@ static void ceph_aio_complete_req(struct ceph_osd_request *req)
}
}
ceph_put_page_vector(osd_data->pages, num_pages, !aio_req->write);
ceph_put_page_vector(osd_data->pages, num_pages, aio_req->should_dirty);
ceph_osdc_put_request(req);
if (rc < 0)
@ -842,6 +843,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
size_t count = iov_iter_count(iter);
loff_t pos = iocb->ki_pos;
bool write = iov_iter_rw(iter) == WRITE;
bool should_dirty = !write && iter_is_iovec(iter);
if (write && ceph_snap(file_inode(file)) != CEPH_NOSNAP)
return -EROFS;
@ -909,6 +911,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
if (aio_req) {
aio_req->iocb = iocb;
aio_req->write = write;
aio_req->should_dirty = should_dirty;
INIT_LIST_HEAD(&aio_req->osd_reqs);
if (write) {
aio_req->mtime = mtime;
@ -966,7 +969,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
len = ret;
}
ceph_put_page_vector(pages, num_pages, !write);
ceph_put_page_vector(pages, num_pages, should_dirty);
ceph_osdc_put_request(req);
if (ret < 0)

22
include/linux/bitmap.h
View File

@ -271,12 +271,20 @@ static inline void bitmap_complement(unsigned long *dst, const unsigned long *sr
__bitmap_complement(dst, src, nbits);
}
#ifdef __LITTLE_ENDIAN
#define BITMAP_MEM_ALIGNMENT 8
#else
#define BITMAP_MEM_ALIGNMENT (8 * sizeof(unsigned long))
#endif
#define BITMAP_MEM_MASK (BITMAP_MEM_ALIGNMENT - 1)
static inline int bitmap_equal(const unsigned long *src1,
const unsigned long *src2, unsigned int nbits)
{
if (small_const_nbits(nbits))
return !((*src1 ^ *src2) & BITMAP_LAST_WORD_MASK(nbits));
if (__builtin_constant_p(nbits & 7) && IS_ALIGNED(nbits, 8))
if (__builtin_constant_p(nbits & BITMAP_MEM_MASK) &&
IS_ALIGNED(nbits, BITMAP_MEM_ALIGNMENT))
return !memcmp(src1, src2, nbits / 8);
return __bitmap_equal(src1, src2, nbits);
}
@ -327,8 +335,10 @@ static __always_inline void bitmap_set(unsigned long *map, unsigned int start,
{
if (__builtin_constant_p(nbits) && nbits == 1)
__set_bit(start, map);
else if (__builtin_constant_p(start & 7) && IS_ALIGNED(start, 8) &&
__builtin_constant_p(nbits & 7) && IS_ALIGNED(nbits, 8))
else if (__builtin_constant_p(start & BITMAP_MEM_MASK) &&
IS_ALIGNED(start, BITMAP_MEM_ALIGNMENT) &&
__builtin_constant_p(nbits & BITMAP_MEM_MASK) &&
IS_ALIGNED(nbits, BITMAP_MEM_ALIGNMENT))
memset((char *)map + start / 8, 0xff, nbits / 8);
else
__bitmap_set(map, start, nbits);
@ -339,8 +349,10 @@ static __always_inline void bitmap_clear(unsigned long *map, unsigned int start,
{
if (__builtin_constant_p(nbits) && nbits == 1)
__clear_bit(start, map);
else if (__builtin_constant_p(start & 7) && IS_ALIGNED(start, 8) &&
__builtin_constant_p(nbits & 7) && IS_ALIGNED(nbits, 8))
else if (__builtin_constant_p(start & BITMAP_MEM_MASK) &&
IS_ALIGNED(start, BITMAP_MEM_ALIGNMENT) &&
__builtin_constant_p(nbits & BITMAP_MEM_MASK) &&
IS_ALIGNED(nbits, BITMAP_MEM_ALIGNMENT))
memset((char *)map + start / 8, 0, nbits / 8);
else
__bitmap_clear(map, start, nbits);

2
include/linux/netfilter/x_tables.h
View File

@ -285,6 +285,8 @@ unsigned int *xt_alloc_entry_offsets(unsigned int size);
bool xt_find_jump_offset(const unsigned int *offsets,
unsigned int target, unsigned int size);
int xt_check_proc_name(const char *name, unsigned int size);
int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto,
bool inv_proto);
int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto,

2
include/rdma/ib_addr.h
View File

@ -130,6 +130,8 @@ void rdma_copy_addr(struct rdma_dev_addr *dev_addr,
const unsigned char *dst_dev_addr);
int rdma_addr_size(struct sockaddr *addr);
int rdma_addr_size_in6(struct sockaddr_in6 *addr);
int rdma_addr_size_kss(struct __kernel_sockaddr_storage *addr);
int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 *smac, u16 *vlan_id);
int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,

3
include/uapi/linux/serial_core.h
View File

@ -76,6 +76,9 @@
#define PORT_SUNZILOG 38
#define PORT_SUNSAB 39
/* Nuvoton UART */
#define PORT_NPCM 40
/* Intel EG20 */
#define PORT_PCH_8LINE 44
#define PORT_PCH_2LINE 45

12
ipc/shm.c
View File

@ -386,6 +386,17 @@ static int shm_fault(struct vm_fault *vmf)
return sfd->vm_ops->fault(vmf);
}
static int shm_split(struct vm_area_struct *vma, unsigned long addr)
{
struct file *file = vma->vm_file;
struct shm_file_data *sfd = shm_file_data(file);
if (sfd->vm_ops && sfd->vm_ops->split)
return sfd->vm_ops->split(vma, addr);
return 0;
}
#ifdef CONFIG_NUMA
static int shm_set_policy(struct vm_area_struct *vma, struct mempolicy *new)
{
@ -510,6 +521,7 @@ static const struct vm_operations_struct shm_vm_ops = {
.open = shm_open, /* callback for a new vm-area open */
.close = shm_close, /* callback for when the vm-area is released */
.fault = shm_fault,
.split = shm_split,
#if defined(CONFIG_NUMA)
.set_policy = shm_set_policy,
.get_policy = shm_get_policy,

30
kernel/events/hw_breakpoint.c
View File

@ -427,16 +427,9 @@ EXPORT_SYMBOL_GPL(register_user_hw_breakpoint);
* modify_user_hw_breakpoint - modify a user-space hardware breakpoint
* @bp: the breakpoint structure to modify
* @attr: new breakpoint attributes
* @triggered: callback to trigger when we hit the breakpoint
* @tsk: pointer to 'task_struct' of the process to which the address belongs
*/
int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr)
{
u64 old_addr = bp->attr.bp_addr;
u64 old_len = bp->attr.bp_len;
int old_type = bp->attr.bp_type;
int err = 0;
/*
* modify_user_hw_breakpoint can be invoked with IRQs disabled and hence it
* will not be possible to raise IPIs that invoke __perf_event_disable.
@ -451,27 +444,18 @@ int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *att
bp->attr.bp_addr = attr->bp_addr;
bp->attr.bp_type = attr->bp_type;
bp->attr.bp_len = attr->bp_len;
bp->attr.disabled = 1;
if (attr->disabled)
goto end;
if (!attr->disabled) {
int err = validate_hw_breakpoint(bp);
if (err)
return err;
err = validate_hw_breakpoint(bp);
if (!err)
perf_event_enable(bp);
if (err) {
bp->attr.bp_addr = old_addr;
bp->attr.bp_type = old_type;
bp->attr.bp_len = old_len;
if (!bp->attr.disabled)
perf_event_enable(bp);
return err;
bp->attr.disabled = 0;
}
end:
bp->attr.disabled = attr->disabled;
return 0;
}
EXPORT_SYMBOL_GPL(modify_user_hw_breakpoint);

8
mm/percpu-km.c
View File

@ -34,7 +34,7 @@
#include <linux/log2.h>
static int pcpu_populate_chunk(struct pcpu_chunk *chunk,
int page_start, int page_end)
int page_start, int page_end, gfp_t gfp)
{
return 0;
}
@ -45,18 +45,18 @@ static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk,
/* nada */
}
static struct pcpu_chunk *pcpu_create_chunk(void)
static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp)
{
const int nr_pages = pcpu_group_sizes[0] >> PAGE_SHIFT;
struct pcpu_chunk *chunk;
struct page *pages;
int i;
chunk = pcpu_alloc_chunk();
chunk = pcpu_alloc_chunk(gfp);
if (!chunk)
return NULL;
pages = alloc_pages(GFP_KERNEL, order_base_2(nr_pages));
pages = alloc_pages(gfp | GFP_KERNEL, order_base_2(nr_pages));
if (!pages) {
pcpu_free_chunk(chunk);
return NULL;

18
mm/percpu-vm.c
View File

@ -37,7 +37,7 @@ static struct page **pcpu_get_pages(void)
lockdep_assert_held(&pcpu_alloc_mutex);
if (!pages)
pages = pcpu_mem_zalloc(pages_size);
pages = pcpu_mem_zalloc(pages_size, 0);
return pages;
}
@ -73,18 +73,21 @@ static void pcpu_free_pages(struct pcpu_chunk *chunk,
* @pages: array to put the allocated pages into, indexed by pcpu_page_idx()
* @page_start: page index of the first page to be allocated
* @page_end: page index of the last page to be allocated + 1
* @gfp: allocation flags passed to the underlying allocator
*
* Allocate pages [@page_start,@page_end) into @pages for all units.
* The allocation is for @chunk. Percpu core doesn't care about the
* content of @pages and will pass it verbatim to pcpu_map_pages().
*/
static int pcpu_alloc_pages(struct pcpu_chunk *chunk,
struct page **pages, int page_start, int page_end)
struct page **pages, int page_start, int page_end,
gfp_t gfp)
{
const gfp_t gfp = GFP_KERNEL | __GFP_HIGHMEM;
unsigned int cpu, tcpu;
int i;
gfp |= GFP_KERNEL | __GFP_HIGHMEM;
for_each_possible_cpu(cpu) {
for (i = page_start; i < page_end; i++) {
struct page **pagep = &pages[pcpu_page_idx(cpu, i)];
@ -262,6 +265,7 @@ static void pcpu_post_map_flush(struct pcpu_chunk *chunk,
* @chunk: chunk of interest
* @page_start: the start page
* @page_end: the end page
* @gfp: allocation flags passed to the underlying memory allocator
*
* For each cpu, populate and map pages [@page_start,@page_end) into
* @chunk.
@ -270,7 +274,7 @@ static void pcpu_post_map_flush(struct pcpu_chunk *chunk,
* pcpu_alloc_mutex, does GFP_KERNEL allocation.
*/
static int pcpu_populate_chunk(struct pcpu_chunk *chunk,
int page_start, int page_end)
int page_start, int page_end, gfp_t gfp)
{
struct page **pages;
@ -278,7 +282,7 @@ static int pcpu_populate_chunk(struct pcpu_chunk *chunk,
if (!pages)
return -ENOMEM;
if (pcpu_alloc_pages(chunk, pages, page_start, page_end))
if (pcpu_alloc_pages(chunk, pages, page_start, page_end, gfp))
return -ENOMEM;
if (pcpu_map_pages(chunk, pages, page_start, page_end)) {
@ -325,12 +329,12 @@ static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk,
pcpu_free_pages(chunk, pages, page_start, page_end);
}
static struct pcpu_chunk *pcpu_create_chunk(void)
static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp)
{
struct pcpu_chunk *chunk;
struct vm_struct **vms;
chunk = pcpu_alloc_chunk();
chunk = pcpu_alloc_chunk(gfp);
if (!chunk)
return NULL;

45
mm/percpu.c
View File

@ -447,10 +447,12 @@ static void pcpu_next_fit_region(struct pcpu_chunk *chunk, int alloc_bits,
/**
* pcpu_mem_zalloc - allocate memory
* @size: bytes to allocate
* @gfp: allocation flags
*
* Allocate @size bytes. If @size is smaller than PAGE_SIZE,
* kzalloc() is used; otherwise, vzalloc() is used. The returned
* memory is always zeroed.
* kzalloc() is used; otherwise, the equivalent of vzalloc() is used.
* This is to facilitate passing through whitelisted flags. The
* returned memory is always zeroed.
*
* CONTEXT:
* Does GFP_KERNEL allocation.
@ -458,15 +460,16 @@ static void pcpu_next_fit_region(struct pcpu_chunk *chunk, int alloc_bits,
* RETURNS:
* Pointer to the allocated area on success, NULL on failure.
*/
static void *pcpu_mem_zalloc(size_t size)
static void *pcpu_mem_zalloc(size_t size, gfp_t gfp)
{
if (WARN_ON_ONCE(!slab_is_available()))
return NULL;
if (size <= PAGE_SIZE)
return kzalloc(size, GFP_KERNEL);
return kzalloc(size, gfp | GFP_KERNEL);
else
return vzalloc(size);
return __vmalloc(size, gfp | GFP_KERNEL | __GFP_ZERO,
PAGE_KERNEL);
}
/**
@ -1154,12 +1157,12 @@ static struct pcpu_chunk * __init pcpu_alloc_first_chunk(unsigned long tmp_addr,
return chunk;
}
static struct pcpu_chunk *pcpu_alloc_chunk(void)
static struct pcpu_chunk *pcpu_alloc_chunk(gfp_t gfp)
{
struct pcpu_chunk *chunk;
int region_bits;
chunk = pcpu_mem_zalloc(pcpu_chunk_struct_size);
chunk = pcpu_mem_zalloc(pcpu_chunk_struct_size, gfp);
if (!chunk)
return NULL;
@ -1168,17 +1171,17 @@ static struct pcpu_chunk *pcpu_alloc_chunk(void)
region_bits = pcpu_chunk_map_bits(chunk);
chunk->alloc_map = pcpu_mem_zalloc(BITS_TO_LONGS(region_bits) *
sizeof(chunk->alloc_map[0]));
sizeof(chunk->alloc_map[0]), gfp);
if (!chunk->alloc_map)
goto alloc_map_fail;
chunk->bound_map = pcpu_mem_zalloc(BITS_TO_LONGS(region_bits + 1) *
sizeof(chunk->bound_map[0]));
sizeof(chunk->bound_map[0]), gfp);
if (!chunk->bound_map)
goto bound_map_fail;
chunk->md_blocks = pcpu_mem_zalloc(pcpu_chunk_nr_blocks(chunk) *
sizeof(chunk->md_blocks[0]));
sizeof(chunk->md_blocks[0]), gfp);
if (!chunk->md_blocks)
goto md_blocks_fail;
@ -1277,9 +1280,10 @@ static void pcpu_chunk_depopulated(struct pcpu_chunk *chunk,
* pcpu_addr_to_page - translate address to physical address
* pcpu_verify_alloc_info - check alloc_info is acceptable during init
*/
static int pcpu_populate_chunk(struct pcpu_chunk *chunk, int off, int size);
static int pcpu_populate_chunk(struct pcpu_chunk *chunk, int off, int size,
gfp_t gfp);
static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk, int off, int size);
static struct pcpu_chunk *pcpu_create_chunk(void);
static struct pcpu_chunk *pcpu_create_chunk(gfp_t gfp);
static void pcpu_destroy_chunk(struct pcpu_chunk *chunk);
static struct page *pcpu_addr_to_page(void *addr);
static int __init pcpu_verify_alloc_info(const struct pcpu_alloc_info *ai);
@ -1421,7 +1425,7 @@ restart:
}
if (list_empty(&pcpu_slot[pcpu_nr_slots - 1])) {
chunk = pcpu_create_chunk();
chunk = pcpu_create_chunk(0);
if (!chunk) {
err = "failed to allocate new chunk";
goto fail;
@ -1450,7 +1454,7 @@ area_found:
page_start, page_end) {
WARN_ON(chunk->immutable);
ret = pcpu_populate_chunk(chunk, rs, re);
ret = pcpu_populate_chunk(chunk, rs, re, 0);
spin_lock_irqsave(&pcpu_lock, flags);
if (ret) {
@ -1561,10 +1565,17 @@ void __percpu *__alloc_reserved_percpu(size_t size, size_t align)
* pcpu_balance_workfn - manage the amount of free chunks and populated pages
* @work: unused
*
* Reclaim all fully free chunks except for the first one.
* Reclaim all fully free chunks except for the first one. This is also
* responsible for maintaining the pool of empty populated pages. However,
* it is possible that this is called when physical memory is scarce causing
* OOM killer to be triggered. We should avoid doing so until an actual
* allocation causes the failure as it is possible that requests can be
* serviced from already backed regions.
*/
static void pcpu_balance_workfn(struct work_struct *work)
{
/* gfp flags passed to underlying allocators */
const gfp_t gfp = __GFP_NORETRY | __GFP_NOWARN;
LIST_HEAD(to_free);
struct list_head *free_head = &pcpu_slot[pcpu_nr_slots - 1];
struct pcpu_chunk *chunk, *next;
@ -1645,7 +1656,7 @@ retry_pop:
chunk->nr_pages) {
int nr = min(re - rs, nr_to_pop);
ret = pcpu_populate_chunk(chunk, rs, rs + nr);
ret = pcpu_populate_chunk(chunk, rs, rs + nr, gfp);
if (!ret) {
nr_to_pop -= nr;
spin_lock_irq(&pcpu_lock);
@ -1662,7 +1673,7 @@ retry_pop:
if (nr_to_pop) {
/* ran out of chunks to populate, create a new one and retry */
chunk = pcpu_create_chunk();
chunk = pcpu_create_chunk(gfp);
if (chunk) {
spin_lock_irq(&pcpu_lock);
pcpu_chunk_relocate(chunk, -1);

8
net/bluetooth/smp.c
View File

@ -2296,8 +2296,14 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
else
sec_level = authreq_to_seclevel(auth);
if (smp_sufficient_security(hcon, sec_level, SMP_USE_LTK))
if (smp_sufficient_security(hcon, sec_level, SMP_USE_LTK)) {
/* If link is already encrypted with sufficient security we
* still need refresh encryption as per Core Spec 5.0 Vol 3,
* Part H 2.4.6
*/
smp_ltk_encrypt(conn, hcon->sec_level);
return 0;
}
if (sec_level > hcon->pending_sec_level)
hcon->pending_sec_level = sec_level;

34
net/bridge/netfilter/ebt_among.c
View File

@ -177,6 +177,28 @@ static bool poolsize_invalid(const struct ebt_mac_wormhash *w)
return w && w->poolsize >= (INT_MAX / sizeof(struct ebt_mac_wormhash_tuple));
}
static bool wormhash_offset_invalid(int off, unsigned int len)
{
if (off == 0) /* not present */
return false;
if (off < (int)sizeof(struct ebt_among_info) ||
off % __alignof__(struct ebt_mac_wormhash))
return true;
off += sizeof(struct ebt_mac_wormhash);
return off > len;
}
static bool wormhash_sizes_valid(const struct ebt_mac_wormhash *wh, int a, int b)
{
if (a == 0)
a = sizeof(struct ebt_among_info);
return ebt_mac_wormhash_size(wh) + a == b;
}
static int ebt_among_mt_check(const struct xt_mtchk_param *par)
{
const struct ebt_among_info *info = par->matchinfo;
@ -189,6 +211,10 @@ static int ebt_among_mt_check(const struct xt_mtchk_param *par)
if (expected_length > em->match_size)
return -EINVAL;
if (wormhash_offset_invalid(info->wh_dst_ofs, em->match_size) ||
wormhash_offset_invalid(info->wh_src_ofs, em->match_size))
return -EINVAL;
wh_dst = ebt_among_wh_dst(info);
if (poolsize_invalid(wh_dst))
return -EINVAL;
@ -201,6 +227,14 @@ static int ebt_among_mt_check(const struct xt_mtchk_param *par)
if (poolsize_invalid(wh_src))
return -EINVAL;
if (info->wh_src_ofs < info->wh_dst_ofs) {
if (!wormhash_sizes_valid(wh_src, info->wh_src_ofs, info->wh_dst_ofs))
return -EINVAL;
} else {
if (!wormhash_sizes_valid(wh_dst, info->wh_dst_ofs, info->wh_src_ofs))
return -EINVAL;
}
expected_length += ebt_mac_wormhash_size(wh_src);
if (em->match_size != EBT_ALIGN(expected_length)) {

14
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
View File

@ -159,8 +159,20 @@ static unsigned int ipv4_conntrack_local(void *priv,
ip_hdrlen(skb) < sizeof(struct iphdr))
return NF_ACCEPT;
if (ip_is_fragment(ip_hdr(skb))) /* IP_NODEFRAG setsockopt set */
if (ip_is_fragment(ip_hdr(skb))) { /* IP_NODEFRAG setsockopt set */
enum ip_conntrack_info ctinfo;
struct nf_conn *tmpl;
tmpl = nf_ct_get(skb, &ctinfo);
if (tmpl && nf_ct_is_template(tmpl)) {
/* when skipping ct, clear templates to avoid fooling
* later targets/matches
*/
skb->_nfct = 0;
nf_ct_put(tmpl);
}
return NF_ACCEPT;
}
return nf_conntrack_in(state->net, PF_INET, state->hook, skb);
}

20
net/ipv6/ip6_vti.c
View File

@ -626,7 +626,6 @@ static void vti6_link_config(struct ip6_tnl *t)
{
struct net_device *dev = t->dev;
struct __ip6_tnl_parm *p = &t->parms;
struct net_device *tdev = NULL;
memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
@ -639,25 +638,6 @@ static void vti6_link_config(struct ip6_tnl *t)
dev->flags |= IFF_POINTOPOINT;
else
dev->flags &= ~IFF_POINTOPOINT;
if (p->flags & IP6_TNL_F_CAP_XMIT) {
int strict = (ipv6_addr_type(&p->raddr) &
(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL));
struct rt6_info *rt = rt6_lookup(t->net,
&p->raddr, &p->laddr,
p->link, strict);
if (rt)
tdev = rt->dst.dev;
ip6_rt_put(rt);
}
if (!tdev && p->link)
tdev = __dev_get_by_index(t->net, p->link);
if (tdev)
dev->mtu = max_t(int, tdev->mtu - dev->hard_header_len,
IPV6_MIN_MTU);
}
/**

13
net/ipv6/route.c
View File

@ -1627,11 +1627,10 @@ static void rt6_age_examine_exception(struct rt6_exception_bucket *bucket,
struct neighbour *neigh;
__u8 neigh_flags = 0;
neigh = dst_neigh_lookup(&rt->dst, &rt->rt6i_gateway);
if (neigh) {
neigh = __ipv6_neigh_lookup_noref(rt->dst.dev, &rt->rt6i_gateway);
if (neigh)
neigh_flags = neigh->flags;
neigh_release(neigh);
}
if (!(neigh_flags & NTF_ROUTER)) {
RT6_TRACE("purging route %p via non-router but gateway\n",
rt);
@ -1655,7 +1654,8 @@ void rt6_age_exceptions(struct rt6_info *rt,
if (!rcu_access_pointer(rt->rt6i_exception_bucket))
return;
spin_lock_bh(&rt6_exception_lock);
rcu_read_lock_bh();
spin_lock(&rt6_exception_lock);
bucket = rcu_dereference_protected(rt->rt6i_exception_bucket,
lockdep_is_held(&rt6_exception_lock));
@ -1669,7 +1669,8 @@ void rt6_age_exceptions(struct rt6_info *rt,
bucket++;
}
}
spin_unlock_bh(&rt6_exception_lock);
spin_unlock(&rt6_exception_lock);
rcu_read_unlock_bh();
}
struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,

38
net/l2tp/l2tp_core.c
View File

@ -111,6 +111,13 @@ struct l2tp_net {
spinlock_t l2tp_session_hlist_lock;
};
#if IS_ENABLED(CONFIG_IPV6)
static bool l2tp_sk_is_v6(struct sock *sk)
{
return sk->sk_family == PF_INET6 &&
!ipv6_addr_v4mapped(&sk->sk_v6_daddr);
}
#endif
static inline struct l2tp_tunnel *l2tp_tunnel(struct sock *sk)
{
@ -1058,7 +1065,7 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb,
/* Queue the packet to IP for output */
skb->ignore_df = 1;
#if IS_ENABLED(CONFIG_IPV6)
if (tunnel->sock->sk_family == PF_INET6 && !tunnel->v4mapped)
if (l2tp_sk_is_v6(tunnel->sock))
error = inet6_csk_xmit(tunnel->sock, skb, NULL);
else
#endif
@ -1121,6 +1128,15 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len
goto out_unlock;
}
/* The user-space may change the connection status for the user-space
* provided socket at run time: we must check it under the socket lock
*/
if (tunnel->fd >= 0 && sk->sk_state != TCP_ESTABLISHED) {
kfree_skb(skb);
ret = NET_XMIT_DROP;
goto out_unlock;
}
/* Get routing info from the tunnel socket */
skb_dst_drop(skb);
skb_dst_set(skb, dst_clone(__sk_dst_check(sk, 0)));
@ -1140,7 +1156,7 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len
/* Calculate UDP checksum if configured to do so */
#if IS_ENABLED(CONFIG_IPV6)
if (sk->sk_family == PF_INET6 && !tunnel->v4mapped)
if (l2tp_sk_is_v6(sk))
udp6_set_csum(udp_get_no_check6_tx(sk),
skb, &inet6_sk(sk)->saddr,
&sk->sk_v6_daddr, udp_len);
@ -1520,24 +1536,6 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32
if (cfg != NULL)
tunnel->debug = cfg->debug;
#if IS_ENABLED(CONFIG_IPV6)
if (sk->sk_family == PF_INET6) {
struct ipv6_pinfo *np = inet6_sk(sk);
if (ipv6_addr_v4mapped(&np->saddr) &&
ipv6_addr_v4mapped(&sk->sk_v6_daddr)) {
struct inet_sock *inet = inet_sk(sk);
tunnel->v4mapped = true;
inet->inet_saddr = np->saddr.s6_addr32[3];
inet->inet_rcv_saddr = sk->sk_v6_rcv_saddr.s6_addr32[3];
inet->inet_daddr = sk->sk_v6_daddr.s6_addr32[3];
} else {
tunnel->v4mapped = false;
}
}
#endif
/* Mark socket as an encapsulation socket. See net/ipv4/udp.c */
tunnel->encap = encap;
if (encap == L2TP_ENCAPTYPE_UDP) {

3
net/l2tp/l2tp_core.h
View File

@ -193,9 +193,6 @@ struct l2tp_tunnel {
struct sock *sock; /* Parent socket */
int fd; /* Parent fd, if tunnel socket
* was created by userspace */
#if IS_ENABLED(CONFIG_IPV6)
bool v4mapped;
#endif
struct work_struct del_work;

37
net/netfilter/x_tables.c
View File

@ -423,6 +423,36 @@ textify_hooks(char *buf, size_t size, unsigned int mask, uint8_t nfproto)
return buf;
}
/**
* xt_check_proc_name - check that name is suitable for /proc file creation
*
* @name: file name candidate
* @size: length of buffer
*
* some x_tables modules wish to create a file in /proc.
* This function makes sure that the name is suitable for this
* purpose, it checks that name is NUL terminated and isn't a 'special'
* name, like "..".
*
* returns negative number on error or 0 if name is useable.
*/
int xt_check_proc_name(const char *name, unsigned int size)
{
if (name[0] == '\0')
return -EINVAL;
if (strnlen(name, size) == size)
return -ENAMETOOLONG;
if (strcmp(name, ".") == 0 ||
strcmp(name, "..") == 0 ||
strchr(name, '/'))
return -EINVAL;
return 0;
}
EXPORT_SYMBOL(xt_check_proc_name);
int xt_check_match(struct xt_mtchk_param *par,
unsigned int size, u_int8_t proto, bool inv_proto)
{
@ -1008,7 +1038,12 @@ struct xt_table_info *xt_alloc_table_info(unsigned int size)
if ((size >> PAGE_SHIFT) + 2 > totalram_pages)
return NULL;
info = kvmalloc(sz, GFP_KERNEL);
/* __GFP_NORETRY is not fully supported by kvmalloc but it should
* work reasonably well if sz is too large and bail out rather
* than shoot all processes down before realizing there is nothing
* more to reclaim.
*/
info = kvmalloc(sz, GFP_KERNEL | __GFP_NORETRY);
if (!info)
return NULL;

16
net/netfilter/xt_hashlimit.c
View File

@ -915,8 +915,9 @@ static int hashlimit_mt_check_v1(const struct xt_mtchk_param *par)
struct hashlimit_cfg3 cfg = {};
int ret;
if (info->name[sizeof(info->name) - 1] != '\0')
return -EINVAL;
ret = xt_check_proc_name(info->name, sizeof(info->name));
if (ret)
return ret;
ret = cfg_copy(&cfg, (void *)&info->cfg, 1);
@ -933,8 +934,9 @@ static int hashlimit_mt_check_v2(const struct xt_mtchk_param *par)
struct hashlimit_cfg3 cfg = {};
int ret;
if (info->name[sizeof(info->name) - 1] != '\0')
return -EINVAL;
ret = xt_check_proc_name(info->name, sizeof(info->name));
if (ret)
return ret;
ret = cfg_copy(&cfg, (void *)&info->cfg, 2);
@ -948,9 +950,11 @@ static int hashlimit_mt_check_v2(const struct xt_mtchk_param *par)
static int hashlimit_mt_check(const struct xt_mtchk_param *par)
{
struct xt_hashlimit_mtinfo3 *info = par->matchinfo;
int ret;
if (info->name[sizeof(info->name) - 1] != '\0')
return -EINVAL;
ret = xt_check_proc_name(info->name, sizeof(info->name));
if (ret)
return ret;
return hashlimit_mt_check_common(par, &info->hinfo, &info->cfg,
info->name, 3);

6
net/netfilter/xt_recent.c
View File

@ -361,9 +361,9 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
info->hit_count, XT_RECENT_MAX_NSTAMPS - 1);
return -EINVAL;
}
if (info->name[0] == '\0' ||
strnlen(info->name, XT_RECENT_NAME_LEN) == XT_RECENT_NAME_LEN)
return -EINVAL;
ret = xt_check_proc_name(info->name, sizeof(info->name));
if (ret)
return ret;
if (ip_pkt_list_tot && info->hit_count < ip_pkt_list_tot)
nstamp_mask = roundup_pow_of_two(ip_pkt_list_tot) - 1;

2
net/xfrm/xfrm_ipcomp.c
View File

@ -283,7 +283,7 @@ static struct crypto_comp * __percpu *ipcomp_alloc_tfms(const char *alg_name)
struct crypto_comp *tfm;
/* This can be any valid CPU ID so we don't need locking. */
tfm = __this_cpu_read(*pos->tfms);
tfm = this_cpu_read(*pos->tfms);
if (!strcmp(crypto_comp_name(tfm), alg_name)) {
pos->users++;

5
net/xfrm/xfrm_state.c
View File

@ -2056,6 +2056,11 @@ int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optval, int optlen
struct xfrm_mgr *km;
struct xfrm_policy *pol = NULL;
#ifdef CONFIG_COMPAT
if (in_compat_syscall())
return -EOPNOTSUPP;
#endif
if (!optval && !optlen) {
xfrm_sk_policy_insert(sk, XFRM_POLICY_IN, NULL);
xfrm_sk_policy_insert(sk, XFRM_POLICY_OUT, NULL);

25
net/xfrm/xfrm_user.c
View File

@ -121,22 +121,17 @@ static inline int verify_replay(struct xfrm_usersa_info *p,
struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL];
struct xfrm_replay_state_esn *rs;
if (p->flags & XFRM_STATE_ESN) {
if (!rt)
return -EINVAL;
rs = nla_data(rt);
if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
return -EINVAL;
if (nla_len(rt) < (int)xfrm_replay_state_esn_len(rs) &&
nla_len(rt) != sizeof(*rs))
return -EINVAL;
}
if (!rt)
return 0;
return (p->flags & XFRM_STATE_ESN) ? -EINVAL : 0;
rs = nla_data(rt);
if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
return -EINVAL;
if (nla_len(rt) < (int)xfrm_replay_state_esn_len(rs) &&
nla_len(rt) != sizeof(*rs))
return -EINVAL;
/* As only ESP and AH support ESN feature. */
if ((p->id.proto != IPPROTO_ESP) && (p->id.proto != IPPROTO_AH))

4
sound/core/oss/pcm_oss.c
View File

@ -1326,7 +1326,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const char __user *buf, size_t bytes)
{
size_t xfer = 0;
ssize_t tmp;
ssize_t tmp = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
if (atomic_read(&substream->mmap_count))
@ -1433,7 +1433,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __user *buf, size_t bytes)
{
size_t xfer = 0;
ssize_t tmp;
ssize_t tmp = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
if (atomic_read(&substream->mmap_count))

2
sound/core/pcm_native.c
View File

@ -3422,7 +3422,7 @@ int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
area,
substream->runtime->dma_area,
substream->runtime->dma_addr,
area->vm_end - area->vm_start);
substream->runtime->dma_bytes);
#endif /* CONFIG_X86 */
/* mmap with fault handler */
area->vm_ops = &snd_pcm_vm_ops_data_fault;

1
sound/usb/quirks.c
View File

@ -1171,6 +1171,7 @@ static bool is_teac_dsd_dac(unsigned int id)
switch (id) {
case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-503/NT-503 */
case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
return true;
}
return false;