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SubjectRe: Linux 4.4.127
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt
index caf297bee1fb..c28d4eb83b76 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-palmas.txt
@@ -35,6 +35,15 @@ Optional properties:
- ti,palmas-enable-dvfs2: Enable DVFS2. Configure pins for DVFS2 mode.
Selection primary or secondary function associated to GPADC_START
and SYSEN2 pin/pad for DVFS2 interface
+- ti,palmas-override-powerhold: This is applicable for PMICs for which
+ GPIO7 is configured in POWERHOLD mode which has higher priority
+ over DEV_ON bit and keeps the PMIC supplies on even after the DEV_ON
+ bit is turned off. This property enables driver to over ride the
+ POWERHOLD value to GPIO7 so as to turn off the PMIC in power off
+ scenarios. So for GPIO7 if ti,palmas-override-powerhold is set
+ then the GPIO_7 field should never be muxed to anything else.
+ It should be set to POWERHOLD by default and only in case of
+ power off scenarios the driver will over ride the mux value.

This binding uses the following generic properties as defined in
pinctrl-bindings.txt:
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 6716413c17ba..6d2689ebf824 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -383,32 +383,6 @@ is not associated with a file:

or if empty, the mapping is anonymous.

-The /proc/PID/task/TID/maps is a view of the virtual memory from the viewpoint
-of the individual tasks of a process. In this file you will see a mapping marked
-as [stack] if that task sees it as a stack. Hence, for the example above, the
-task-level map, i.e. /proc/PID/task/TID/maps for thread 1001 will look like this:
-
-08048000-08049000 r-xp 00000000 03:00 8312 /opt/test
-08049000-0804a000 rw-p 00001000 03:00 8312 /opt/test
-0804a000-0806b000 rw-p 00000000 00:00 0 [heap]
-a7cb1000-a7cb2000 ---p 00000000 00:00 0
-a7cb2000-a7eb2000 rw-p 00000000 00:00 0
-a7eb2000-a7eb3000 ---p 00000000 00:00 0
-a7eb3000-a7ed5000 rw-p 00000000 00:00 0 [stack]
-a7ed5000-a8008000 r-xp 00000000 03:00 4222 /lib/libc.so.6
-a8008000-a800a000 r--p 00133000 03:00 4222 /lib/libc.so.6
-a800a000-a800b000 rw-p 00135000 03:00 4222 /lib/libc.so.6
-a800b000-a800e000 rw-p 00000000 00:00 0
-a800e000-a8022000 r-xp 00000000 03:00 14462 /lib/libpthread.so.0
-a8022000-a8023000 r--p 00013000 03:00 14462 /lib/libpthread.so.0
-a8023000-a8024000 rw-p 00014000 03:00 14462 /lib/libpthread.so.0
-a8024000-a8027000 rw-p 00000000 00:00 0
-a8027000-a8043000 r-xp 00000000 03:00 8317 /lib/ld-linux.so.2
-a8043000-a8044000 r--p 0001b000 03:00 8317 /lib/ld-linux.so.2
-a8044000-a8045000 rw-p 0001c000 03:00 8317 /lib/ld-linux.so.2
-aff35000-aff4a000 rw-p 00000000 00:00 0
-ffffe000-fffff000 r-xp 00000000 00:00 0 [vdso]
-
The /proc/PID/smaps is an extension based on maps, showing the memory
consumption for each of the process's mappings. For each of mappings there
is a series of lines such as the following:
diff --git a/Makefile b/Makefile
index 2b699c5f6de4..58c0390573c1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 126
+SUBLEVEL = 127
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts
index 2dbe13a3d89b..7106114c7464 100644
--- a/arch/arm/boot/dts/am335x-pepper.dts
+++ b/arch/arm/boot/dts/am335x-pepper.dts
@@ -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>;
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 00352e761b8c..5c3bd34af9fd 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -411,6 +411,7 @@
interrupt-controller;

ti,system-power-controller;
+ ti,palmas-override-powerhold;

tps659038_pmic {
compatible = "ti,tps659038-pmic";
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index 864f60020124..0736d04f032e 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -410,6 +410,8 @@
tps659038: tps659038@58 {
compatible = "ti,tps659038";
reg = <0x58>;
+ ti,palmas-override-powerhold;
+ ti,system-power-controller;

tps659038_pmic {
compatible = "ti,tps659038-pmic";
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 731860314ab5..27cd4abfc74d 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -488,7 +488,7 @@
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 */
@@ -505,7 +505,7 @@
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>;
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index 853953cd1f08..b42b930cc19a 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -49,8 +49,10 @@
* and PAGE_OFFSET - it must be within 128MB of the kernel text.
*/
#define VA_BITS (CONFIG_ARM64_VA_BITS)
-#define VA_START (UL(0xffffffffffffffff) << VA_BITS)
-#define PAGE_OFFSET (UL(0xffffffffffffffff) << (VA_BITS - 1))
+#define VA_START (UL(0xffffffffffffffff) - \
+ (UL(1) << VA_BITS) + 1)
+#define PAGE_OFFSET (UL(0xffffffffffffffff) - \
+ (UL(1) << (VA_BITS - 1)) + 1)
#define MODULES_END (PAGE_OFFSET)
#define MODULES_VADDR (MODULES_END - SZ_64M)
#define PCI_IO_END (MODULES_VADDR - SZ_2M)
diff --git a/arch/frv/include/asm/timex.h b/arch/frv/include/asm/timex.h
index a89bddefdacf..139093fab326 100644
--- a/arch/frv/include/asm/timex.h
+++ b/arch/frv/include/asm/timex.h
@@ -16,5 +16,11 @@ static inline cycles_t get_cycles(void)
#define vxtime_lock() do {} while (0)
#define vxtime_unlock() do {} while (0)

+/* This attribute is used in include/linux/jiffies.h alongside with
+ * __cacheline_aligned_in_smp. It is assumed that __cacheline_aligned_in_smp
+ * for frv does not contain another section specification.
+ */
+#define __jiffy_arch_data __attribute__((__section__(".data")))
+
#endif

diff --git a/arch/x86/crypto/cast5_avx_glue.c b/arch/x86/crypto/cast5_avx_glue.c
index 8648158f3916..f8fe11d24cde 100644
--- a/arch/x86/crypto/cast5_avx_glue.c
+++ b/arch/x86/crypto/cast5_avx_glue.c
@@ -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);

diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 565e24e9ddf2..df9be5b91270 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -49,6 +49,7 @@
#include <linux/kdebug.h>
#include <linux/kallsyms.h>
#include <linux/ftrace.h>
+#include <linux/moduleloader.h>

#include <asm/cacheflush.h>
#include <asm/desc.h>
@@ -402,6 +403,14 @@ int __copy_instruction(u8 *dest, u8 *src)
return length;
}

+/* Recover page to RW mode before releasing it */
+void free_insn_page(void *page)
+{
+ set_memory_nx((unsigned long)page & PAGE_MASK, 1);
+ set_memory_rw((unsigned long)page & PAGE_MASK, 1);
+ module_memfree(page);
+}
+
static int arch_copy_kprobe(struct kprobe *p)
{
int ret;
diff --git a/block/partitions/msdos.c b/block/partitions/msdos.c
index 5610cd537da7..7d8d50c11ce7 100644
--- a/block/partitions/msdos.c
+++ b/block/partitions/msdos.c
@@ -300,7 +300,9 @@ 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 */
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 7006dbfd39bd..6978ad86e516 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -91,13 +91,14 @@ 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)
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 8a10a7ae6a8a..c8e169e46673 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -131,9 +131,6 @@ static void do_prt_fixups(struct acpi_prt_entry *entry,
quirk = &prt_quirks[i];

/* All current quirks involve link devices, not GSIs */
- if (!prt->source)
- continue;
-
if (dmi_check_system(quirk->system) &&
entry->id.segment == quirk->segment &&
entry->id.bus == quirk->bus &&
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 9ba89315dae1..55d3d1da72de 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -169,25 +169,6 @@ static bool mtip_check_surprise_removal(struct pci_dev *pdev)
return false; /* device present */
}

-/* we have to use runtime tag to setup command header */
-static void mtip_init_cmd_header(struct request *rq)
-{
- struct driver_data *dd = rq->q->queuedata;
- struct mtip_cmd *cmd = blk_mq_rq_to_pdu(rq);
- u32 host_cap_64 = readl(dd->mmio + HOST_CAP) & HOST_CAP_64;
-
- /* Point the command headers at the command tables. */
- cmd->command_header = dd->port->command_list +
- (sizeof(struct mtip_cmd_hdr) * rq->tag);
- cmd->command_header_dma = dd->port->command_list_dma +
- (sizeof(struct mtip_cmd_hdr) * rq->tag);
-
- if (host_cap_64)
- cmd->command_header->ctbau = __force_bit2int cpu_to_le32((cmd->command_dma >> 16) >> 16);
-
- cmd->command_header->ctba = __force_bit2int cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
-}
-
static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
{
struct request *rq;
@@ -199,9 +180,6 @@ static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
if (IS_ERR(rq))
return NULL;

- /* Internal cmd isn't submitted via .queue_rq */
- mtip_init_cmd_header(rq);
-
return blk_mq_rq_to_pdu(rq);
}

@@ -3840,8 +3818,6 @@ static int mtip_queue_rq(struct blk_mq_hw_ctx *hctx,
struct request *rq = bd->rq;
int ret;

- mtip_init_cmd_header(rq);
-
if (unlikely(mtip_check_unal_depth(hctx, rq)))
return BLK_MQ_RQ_QUEUE_BUSY;

@@ -3873,6 +3849,7 @@ static int mtip_init_cmd(void *data, struct request *rq, unsigned int hctx_idx,
{
struct driver_data *dd = data;
struct mtip_cmd *cmd = blk_mq_rq_to_pdu(rq);
+ u32 host_cap_64 = readl(dd->mmio + HOST_CAP) & HOST_CAP_64;

/*
* For flush requests, request_idx starts at the end of the
@@ -3889,6 +3866,17 @@ static int mtip_init_cmd(void *data, struct request *rq, unsigned int hctx_idx,

memset(cmd->command, 0, CMD_DMA_ALLOC_SZ);

+ /* Point the command headers at the command tables. */
+ cmd->command_header = dd->port->command_list +
+ (sizeof(struct mtip_cmd_hdr) * request_idx);
+ cmd->command_header_dma = dd->port->command_list_dma +
+ (sizeof(struct mtip_cmd_hdr) * request_idx);
+
+ if (host_cap_64)
+ cmd->command_header->ctbau = __force_bit2int cpu_to_le32((cmd->command_dma >> 16) >> 16);
+
+ cmd->command_header->ctba = __force_bit2int cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
+
sg_init_table(cmd->sg, MTIP_MAX_SG);
return 0;
}
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index c0fb6f12f547..ebed319657e7 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -551,8 +551,6 @@ 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);
}
@@ -671,10 +669,6 @@ 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;
}

diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 6a8024d9d742..864a7c8d82d3 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -86,6 +86,22 @@ 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)
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index cdac2c9421ab..960fcb613198 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -131,7 +131,7 @@ 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;
}
@@ -453,6 +453,7 @@ 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;

@@ -473,10 +474,10 @@ 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;
}

@@ -486,14 +487,19 @@ 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;
}
@@ -623,6 +629,9 @@ 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);
@@ -636,22 +645,21 @@ 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;
}
@@ -667,13 +675,16 @@ 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;
}
@@ -683,24 +694,23 @@ 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;
}
@@ -1145,6 +1155,11 @@ 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;
@@ -1301,7 +1316,7 @@ 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;
@@ -1310,7 +1325,9 @@ 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;
}
@@ -1328,7 +1345,7 @@ static ssize_t ucma_process_join(struct ucma_file *file,
return -ENOSPC;

addr = (struct sockaddr *) &cmd->addr;
- if (cmd->reserved || !cmd->addr_size || (cmd->addr_size != rdma_addr_size(addr)))
+ if (cmd->reserved || (cmd->addr_size != rdma_addr_size(addr)))
return -EINVAL;

ctx = ucma_get_ctx(file, cmd->id);
@@ -1387,7 +1404,10 @@ 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;
+
join_cmd.reserved = 0;
memcpy(&join_cmd.addr, &cmd.addr, join_cmd.addr_size);

@@ -1403,6 +1423,9 @@ static ssize_t ucma_join_multicast(struct ucma_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;

+ if (!rdma_addr_size_kss(&cmd.addr))
+ return -EINVAL;
+
return ucma_process_join(file, &cmd, out_len);
}

diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index b604564dec5c..30328e57fdda 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -15,6 +15,7 @@
#define MOUSEDEV_MINORS 31
#define MOUSEDEV_MIX 63

+#include <linux/bitops.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/poll.h>
@@ -103,7 +104,7 @@ struct mousedev_client {
spinlock_t packet_lock;
int pos_x, pos_y;

- signed char ps2[6];
+ u8 ps2[6];
unsigned char ready, buffer, bufsiz;
unsigned char imexseq, impsseq;
enum mousedev_emul mode;
@@ -291,11 +292,10 @@ static void mousedev_notify_readers(struct mousedev *mousedev,
}

client->pos_x += packet->dx;
- client->pos_x = client->pos_x < 0 ?
- 0 : (client->pos_x >= xres ? xres : client->pos_x);
+ client->pos_x = clamp_val(client->pos_x, 0, xres);
+
client->pos_y += packet->dy;
- client->pos_y = client->pos_y < 0 ?
- 0 : (client->pos_y >= yres ? yres : client->pos_y);
+ client->pos_y = clamp_val(client->pos_y, 0, yres);

p->dx += packet->dx;
p->dy += packet->dy;
@@ -571,44 +571,50 @@ static int mousedev_open(struct inode *inode, struct file *file)
return error;
}

-static inline int mousedev_limit_delta(int delta, int limit)
-{
- return delta > limit ? limit : (delta < -limit ? -limit : delta);
-}
-
-static void mousedev_packet(struct mousedev_client *client,
- signed char *ps2_data)
+static void mousedev_packet(struct mousedev_client *client, u8 *ps2_data)
{
struct mousedev_motion *p = &client->packets[client->tail];
+ s8 dx, dy, dz;
+
+ dx = clamp_val(p->dx, -127, 127);
+ p->dx -= dx;
+
+ dy = clamp_val(p->dy, -127, 127);
+ p->dy -= dy;

- ps2_data[0] = 0x08 |
- ((p->dx < 0) << 4) | ((p->dy < 0) << 5) | (p->buttons & 0x07);
- ps2_data[1] = mousedev_limit_delta(p->dx, 127);
- ps2_data[2] = mousedev_limit_delta(p->dy, 127);
- p->dx -= ps2_data[1];
- p->dy -= ps2_data[2];
+ ps2_data[0] = BIT(3);
+ ps2_data[0] |= ((dx & BIT(7)) >> 3) | ((dy & BIT(7)) >> 2);
+ ps2_data[0] |= p->buttons & 0x07;
+ ps2_data[1] = dx;
+ ps2_data[2] = dy;

switch (client->mode) {
case MOUSEDEV_EMUL_EXPS:
- ps2_data[3] = mousedev_limit_delta(p->dz, 7);
- p->dz -= ps2_data[3];
- ps2_data[3] = (ps2_data[3] & 0x0f) | ((p->buttons & 0x18) << 1);
+ dz = clamp_val(p->dz, -7, 7);
+ p->dz -= dz;
+
+ ps2_data[3] = (dz & 0x0f) | ((p->buttons & 0x18) << 1);
client->bufsiz = 4;
break;

case MOUSEDEV_EMUL_IMPS:
- ps2_data[0] |=
- ((p->buttons & 0x10) >> 3) | ((p->buttons & 0x08) >> 1);
- ps2_data[3] = mousedev_limit_delta(p->dz, 127);
- p->dz -= ps2_data[3];
+ dz = clamp_val(p->dz, -127, 127);
+ p->dz -= dz;
+
+ ps2_data[0] |= ((p->buttons & 0x10) >> 3) |
+ ((p->buttons & 0x08) >> 1);
+ ps2_data[3] = dz;
+
client->bufsiz = 4;
break;

case MOUSEDEV_EMUL_PS2:
default:
- ps2_data[0] |=
- ((p->buttons & 0x10) >> 3) | ((p->buttons & 0x08) >> 1);
p->dz = 0;
+
+ ps2_data[0] |= ((p->buttons & 0x10) >> 3) |
+ ((p->buttons & 0x08) >> 1);
+
client->bufsiz = 3;
break;
}
@@ -714,7 +720,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer,
{
struct mousedev_client *client = file->private_data;
struct mousedev *mousedev = client->mousedev;
- signed char data[sizeof(client->ps2)];
+ u8 data[sizeof(client->ps2)];
int retval = 0;

if (!client->ready && !client->buffer && mousedev->exist &&
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index d1051e3ce819..e484ea2dc787 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -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.
*/
@@ -692,6 +706,13 @@ 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 = {
@@ -1223,6 +1244,9 @@ 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;

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index e503279c34fc..6865b186f749 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1773,12 +1773,12 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
cmd == DM_LIST_VERSIONS_CMD)
return 0;

- if ((cmd == DM_DEV_CREATE_CMD)) {
+ if (cmd == DM_DEV_CREATE_CMD) {
if (!*param->name) {
DMWARN("name not supplied when creating device");
return -EINVAL;
}
- } else if ((*param->uuid && *param->name)) {
+ } else if (*param->uuid && *param->name) {
DMWARN("only supply one of name or uuid, cmd(%u)", cmd);
return -EINVAL;
}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 3a0d557146c7..bf0410403a6f 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3638,6 +3638,7 @@ static int run(struct mddev *mddev)

if (blk_queue_discard(bdev_get_queue(rdev->bdev)))
discard_supported = true;
+ first = 0;
}

if (mddev->queue) {
diff --git a/drivers/media/usb/usbtv/usbtv-core.c b/drivers/media/usb/usbtv/usbtv-core.c
index 3bbc77aa6a33..483457d4904f 100644
--- a/drivers/media/usb/usbtv/usbtv-core.c
+++ b/drivers/media/usb/usbtv/usbtv-core.c
@@ -95,6 +95,8 @@ 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:
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 4ef189a7a2fb..8c04e342e30a 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -571,7 +571,6 @@ 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;
}

diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 7c0b27d132b1..b479bd81120b 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -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);
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index cc1725616f9d..50747573f42e 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -2823,7 +2823,7 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev)
if (!g) {
netif_info(lio, tx_err, lio->netdev,
"Transmit scatter gather: glist null!\n");
- goto lio_xmit_dma_failed;
+ goto lio_xmit_failed;
}

cmdsetup.s.gather = 1;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
index a20bd8362712..b8517b00e706 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
@@ -648,7 +648,7 @@ 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;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
index 6634aef0e841..67f33f185a44 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c
@@ -384,7 +384,7 @@ 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;
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
index 1d5b18d7a1d7..4db32c62f062 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_rcb.c
@@ -807,7 +807,7 @@ 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;
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index a0332129970b..4b91eb70c683 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -1000,8 +1000,10 @@ 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;
}
}

diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 78530d1714dc..bdce0679674c 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -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);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 5e42b5f2f565..32bd8ab79d53 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -463,6 +463,8 @@ static void pci_device_shutdown(struct device *dev)

if (drv && drv->shutdown)
drv->shutdown(pci_dev);
+ pci_msi_shutdown(pci_dev);
+ pci_msix_shutdown(pci_dev);

#ifdef CONFIG_KEXEC_CORE
/*
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 193ac13de49b..566897f24dee 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -230,7 +230,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags |= IORESOURCE_ROM_ENABLE;
l64 = l & PCI_ROM_ADDRESS_MASK;
sz64 = sz & PCI_ROM_ADDRESS_MASK;
- mask64 = (u32)PCI_ROM_ADDRESS_MASK;
+ mask64 = PCI_ROM_ADDRESS_MASK;
}

if (res->flags & IORESOURCE_MEM_64) {
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 25062966cbfa..8b2f8b2a574e 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -63,7 +63,7 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
mask = (u32)PCI_BASE_ADDRESS_IO_MASK;
new |= res->flags & ~PCI_BASE_ADDRESS_IO_MASK;
} else if (resno == PCI_ROM_RESOURCE) {
- mask = (u32)PCI_ROM_ADDRESS_MASK;
+ mask = PCI_ROM_ADDRESS_MASK;
} else {
mask = (u32)PCI_BASE_ADDRESS_MEM_MASK;
new |= res->flags & ~PCI_BASE_ADDRESS_MEM_MASK;
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 578fae4d474f..8ef905cbfc9c 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -819,6 +819,7 @@ static struct scsi_host_template virtscsi_host_template_multi = {
.eh_abort_handler = virtscsi_abort,
.eh_device_reset_handler = virtscsi_device_reset,

+ .slave_alloc = virtscsi_device_alloc,
.can_queue = 1024,
.dma_boundary = UINT_MAX,
.use_clustering = ENABLE_CLUSTERING,
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 1ddba9ae8c0f..c872a2e54c4b 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -651,7 +651,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
buf = t->rx_buf;
t->rx_dma = dma_map_single(&spi->dev, buf,
t->len, DMA_FROM_DEVICE);
- if (dma_mapping_error(&spi->dev, !t->rx_dma)) {
+ if (dma_mapping_error(&spi->dev, t->rx_dma)) {
ret = -EFAULT;
goto err_rx_map;
}
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index c975f6e8be49..8f181caffca3 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -1348,6 +1348,8 @@ 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);
}
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 251315c35747..ff3286fc22d8 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1312,6 +1312,11 @@ 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;
@@ -1348,7 +1353,6 @@ 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;
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 88bd950665fa..85fb6226770c 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1385,7 +1385,6 @@ static void dwc2_conn_id_status_change(struct work_struct *work)
dwc2_core_init(hsotg, false, -1);
dwc2_enable_global_interrupts(hsotg);
spin_lock_irqsave(&hsotg->lock, flags);
- dwc2_hsotg_disconnect(hsotg);
dwc2_hsotg_core_init_disconnected(hsotg, false);
spin_unlock_irqrestore(&hsotg->lock, flags);
dwc2_hsotg_core_connect(hsotg);
@@ -1403,8 +1402,12 @@ static void dwc2_conn_id_status_change(struct work_struct *work)
if (count > 250)
dev_err(hsotg->dev,
"Connection id status change timed out\n");
- hsotg->op_state = OTG_STATE_A_HOST;

+ spin_lock_irqsave(&hsotg->lock, flags);
+ dwc2_hsotg_disconnect(hsotg);
+ spin_unlock_irqrestore(&hsotg->lock, flags);
+
+ hsotg->op_state = OTG_STATE_A_HOST;
/* Initialize the Core for Host mode */
dwc2_core_init(hsotg, false, -1);
dwc2_enable_global_interrupts(hsotg);
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index ee579ba2b59e..a5dae5bb62ab 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -223,6 +223,13 @@ static ssize_t f_hidg_read(struct file *file, char __user *buffer,
/* pick the first one */
list = list_first_entry(&hidg->completed_out_req,
struct f_hidg_req_list, list);
+
+ /*
+ * Remove this from list to protect it from beign free()
+ * while host disables our function
+ */
+ list_del(&list->list);
+
req = list->req;
count = min_t(unsigned int, count, req->actual - list->pos);
spin_unlock_irqrestore(&hidg->spinlock, flags);
@@ -238,15 +245,20 @@ static ssize_t f_hidg_read(struct file *file, char __user *buffer,
* call, taking into account its current read position.
*/
if (list->pos == req->actual) {
- spin_lock_irqsave(&hidg->spinlock, flags);
- list_del(&list->list);
kfree(list);
- spin_unlock_irqrestore(&hidg->spinlock, flags);

req->length = hidg->report_length;
ret = usb_ep_queue(hidg->out_ep, req, GFP_KERNEL);
- if (ret < 0)
+ if (ret < 0) {
+ free_ep_req(hidg->out_ep, req);
return ret;
+ }
+ } else {
+ spin_lock_irqsave(&hidg->spinlock, flags);
+ list_add(&list->list, &hidg->completed_out_req);
+ spin_unlock_irqrestore(&hidg->spinlock, flags);
+
+ wake_up(&hidg->read_queue);
}

return count;
@@ -490,14 +502,18 @@ static void hidg_disable(struct usb_function *f)
{
struct f_hidg *hidg = func_to_hidg(f);
struct f_hidg_req_list *list, *next;
+ unsigned long flags;

usb_ep_disable(hidg->in_ep);
usb_ep_disable(hidg->out_ep);

+ spin_lock_irqsave(&hidg->spinlock, flags);
list_for_each_entry_safe(list, next, &hidg->completed_out_req, list) {
+ free_ep_req(hidg->out_ep, list->req);
list_del(&list->list);
kfree(list);
}
+ spin_unlock_irqrestore(&hidg->spinlock, flags);
}

static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index af60cc3714c1..5ead414586a1 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -201,12 +201,6 @@ static inline struct usb_request *midi_alloc_ep_req(struct usb_ep *ep,
return alloc_ep_req(ep, length, length);
}

-static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
-{
- kfree(req->buf);
- usb_ep_free_request(ep, req);
-}
-
static const uint8_t f_midi_cin_length[] = {
0, 0, 2, 3, 3, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 1
};
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 9f3ced62d916..67b243989938 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -303,12 +303,6 @@ static inline struct usb_request *ss_alloc_ep_req(struct usb_ep *ep, int len)
return alloc_ep_req(ep, len, ss->buflen);
}

-void free_ep_req(struct usb_ep *ep, struct usb_request *req)
-{
- kfree(req->buf);
- usb_ep_free_request(ep, req);
-}
-
static void disable_ep(struct usb_composite_dev *cdev, struct usb_ep *ep)
{
int value;
diff --git a/drivers/usb/gadget/function/g_zero.h b/drivers/usb/gadget/function/g_zero.h
index 15f180904f8a..5ed90b437f18 100644
--- a/drivers/usb/gadget/function/g_zero.h
+++ b/drivers/usb/gadget/function/g_zero.h
@@ -59,7 +59,6 @@ void lb_modexit(void);
int lb_modinit(void);

/* common utilities */
-void free_ep_req(struct usb_ep *ep, struct usb_request *req);
void disable_endpoints(struct usb_composite_dev *cdev,
struct usb_ep *in, struct usb_ep *out,
struct usb_ep *iso_in, struct usb_ep *iso_out);
diff --git a/drivers/usb/gadget/u_f.c b/drivers/usb/gadget/u_f.c
index c6276f0268ae..907f8144813c 100644
--- a/drivers/usb/gadget/u_f.c
+++ b/drivers/usb/gadget/u_f.c
@@ -11,16 +11,18 @@
* published by the Free Software Foundation.
*/

-#include <linux/usb/gadget.h>
#include "u_f.h"
+#include <linux/usb/ch9.h>

-struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len)
+struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len)
{
struct usb_request *req;

req = usb_ep_alloc_request(ep, GFP_ATOMIC);
if (req) {
req->length = len ?: default_len;
+ if (usb_endpoint_dir_out(ep->desc))
+ req->length = usb_ep_align(ep, req->length);
req->buf = kmalloc(req->length, GFP_ATOMIC);
if (!req->buf) {
usb_ep_free_request(ep, req);
diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
index 1d5f0eb68552..69a1d10df04f 100644
--- a/drivers/usb/gadget/u_f.h
+++ b/drivers/usb/gadget/u_f.h
@@ -16,6 +16,8 @@
#ifndef __U_F_H__
#define __U_F_H__

+#include <linux/usb/gadget.h>
+
/* Variable Length Array Macros **********************************************/
#define vla_group(groupname) size_t groupname##__next = 0
#define vla_group_size(groupname) groupname##__next
@@ -45,8 +47,26 @@
struct usb_ep;
struct usb_request;

-struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len);
-
-#endif /* __U_F_H__ */
+/**
+ * alloc_ep_req - returns a usb_request allocated by the gadget driver and
+ * allocates the request's buffer.
+ *
+ * @ep: the endpoint to allocate a usb_request
+ * @len: usb_requests's buffer suggested size
+ * @default_len: used if @len is not provided, ie, is 0
+ *
+ * In case @ep direction is OUT, the @len will be aligned to ep's
+ * wMaxPacketSize. In order to avoid memory leaks or drops, *always* use
+ * usb_requests's length (req->length) to refer to the allocated buffer size.
+ * Requests allocated via alloc_ep_req() *must* be freed by free_ep_req().
+ */
+struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len);

+/* Frees a usb_request previously allocated by alloc_ep_req() */
+static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
+{
+ kfree(req->buf);
+ usb_ep_free_request(ep, req);
+}

+#endif /* __U_F_H__ */
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index a4ab4fdf5ba3..64a4427678b0 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -151,6 +151,7 @@ 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 */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 64fe9dc25ed4..a224c7a3ce09 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -773,6 +773,7 @@ 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) },
@@ -935,6 +936,7 @@ 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 },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 543d2801632b..76a10b222ff9 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -922,6 +922,9 @@
/*
* 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 */
@@ -1440,6 +1443,12 @@
*/
#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
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index dcf26537c935..a52ca5cba015 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -811,7 +811,7 @@ static int compat_ioctl_preallocate(struct file *file,
*/
#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)

-#define COMPATIBLE_IOCTL(cmd) XFORM(cmd),
+#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
/* ioctl should not be warned about even if it's not implemented.
Valid reasons to use this:
- It is implemented with ->compat_ioctl on some device, but programs
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 07ef85e19fbc..75691a20313c 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -253,24 +253,15 @@ static int do_maps_open(struct inode *inode, struct file *file,
* /proc/PID/maps that is the stack of the main task.
*/
static int is_stack(struct proc_maps_private *priv,
- struct vm_area_struct *vma, int is_pid)
+ struct vm_area_struct *vma)
{
- int stack = 0;
-
- if (is_pid) {
- stack = vma->vm_start <= vma->vm_mm->start_stack &&
- vma->vm_end >= vma->vm_mm->start_stack;
- } else {
- struct inode *inode = priv->inode;
- struct task_struct *task;
-
- rcu_read_lock();
- task = pid_task(proc_pid(inode), PIDTYPE_PID);
- if (task)
- stack = vma_is_stack_for_task(vma, task);
- rcu_read_unlock();
- }
- return stack;
+ /*
+ * We make no effort to guess what a given thread considers to be
+ * its "stack". It's not even well-defined for programs written
+ * languages like Go.
+ */
+ return vma->vm_start <= vma->vm_mm->start_stack &&
+ vma->vm_end >= vma->vm_mm->start_stack;
}

static void
@@ -337,7 +328,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
goto done;
}

- if (is_stack(priv, vma, is_pid))
+ if (is_stack(priv, vma))
name = "[stack]";
}

@@ -1560,7 +1551,7 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid)
seq_file_path(m, file, "\n\t= ");
} else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) {
seq_puts(m, " heap");
- } else if (is_stack(proc_priv, vma, is_pid)) {
+ } else if (is_stack(proc_priv, vma)) {
seq_puts(m, " stack");
}

diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index faacb0c0d857..37175621e890 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -124,25 +124,17 @@ unsigned long task_statm(struct mm_struct *mm,
}

static int is_stack(struct proc_maps_private *priv,
- struct vm_area_struct *vma, int is_pid)
+ struct vm_area_struct *vma)
{
struct mm_struct *mm = vma->vm_mm;
- int stack = 0;
-
- if (is_pid) {
- stack = vma->vm_start <= mm->start_stack &&
- vma->vm_end >= mm->start_stack;
- } else {
- struct inode *inode = priv->inode;
- struct task_struct *task;
-
- rcu_read_lock();
- task = pid_task(proc_pid(inode), PIDTYPE_PID);
- if (task)
- stack = vma_is_stack_for_task(vma, task);
- rcu_read_unlock();
- }
- return stack;
+
+ /*
+ * We make no effort to guess what a given thread considers to be
+ * its "stack". It's not even well-defined for programs written
+ * languages like Go.
+ */
+ return vma->vm_start <= mm->start_stack &&
+ vma->vm_end >= mm->start_stack;
}

/*
@@ -184,7 +176,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
if (file) {
seq_pad(m, ' ');
seq_file_path(m, file, "");
- } else if (mm && is_stack(priv, vma, is_pid)) {
+ } else if (mm && is_stack(priv, vma)) {
seq_pad(m, ' ');
seq_printf(m, "[stack]");
}
diff --git a/include/linux/audit.h b/include/linux/audit.h
index faac391badac..9b95bb222e73 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -26,6 +26,7 @@
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <uapi/linux/audit.h>
+#include <linux/tty.h>

#define AUDIT_INO_UNSET ((unsigned long)-1)
#define AUDIT_DEV_UNSET ((dev_t)-1)
@@ -239,6 +240,23 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
return tsk->sessionid;
}

+static inline struct tty_struct *audit_get_tty(struct task_struct *tsk)
+{
+ struct tty_struct *tty = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tsk->sighand->siglock, flags);
+ if (tsk->signal)
+ tty = tty_kref_get(tsk->signal->tty);
+ spin_unlock_irqrestore(&tsk->sighand->siglock, flags);
+ return tty;
+}
+
+static inline void audit_put_tty(struct tty_struct *tty)
+{
+ tty_kref_put(tty);
+}
+
extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp);
extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode);
extern void __audit_bprm(struct linux_binprm *bprm);
@@ -410,6 +428,12 @@ static inline unsigned int audit_get_sessionid(struct task_struct *tsk)
{
return -1;
}
+static inline struct tty_struct *audit_get_tty(struct task_struct *tsk)
+{
+ return NULL;
+}
+static inline void audit_put_tty(struct tty_struct *tty)
+{ }
static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{ }
static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid,
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index a91b3b75da0f..bb3a4bb35183 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -661,6 +661,11 @@ void alloc_bootmem_cpumask_var(cpumask_var_t *mask);
void free_cpumask_var(cpumask_var_t mask);
void free_bootmem_cpumask_var(cpumask_var_t mask);

+static inline bool cpumask_available(cpumask_var_t mask)
+{
+ return mask != NULL;
+}
+
#else
typedef struct cpumask cpumask_var_t[1];

@@ -701,6 +706,11 @@ static inline void free_cpumask_var(cpumask_var_t mask)
static inline void free_bootmem_cpumask_var(cpumask_var_t mask)
{
}
+
+static inline bool cpumask_available(cpumask_var_t mask)
+{
+ return true;
+}
#endif /* CONFIG_CPUMASK_OFFSTACK */

/* It's common to want to use cpu_all_mask in struct member initializers,
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 5fdc55312334..2fb10601febe 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -1,6 +1,7 @@
#ifndef _LINUX_JIFFIES_H
#define _LINUX_JIFFIES_H

+#include <linux/cache.h>
#include <linux/math64.h>
#include <linux/kernel.h>
#include <linux/types.h>
@@ -63,19 +64,17 @@ extern int register_refined_jiffies(long clock_tick_rate);
/* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */
#define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ)

-/* some arch's have a small-data section that can be accessed register-relative
- * but that can only take up to, say, 4-byte variables. jiffies being part of
- * an 8-byte variable may not be correctly accessed unless we force the issue
- */
-#define __jiffy_data __attribute__((section(".data")))
+#ifndef __jiffy_arch_data
+#define __jiffy_arch_data
+#endif

/*
* The 64-bit value is not atomic - you MUST NOT read it
* without sampling the sequence number in jiffies_lock.
* get_jiffies_64() will do this for you as appropriate.
*/
-extern u64 __jiffy_data jiffies_64;
-extern unsigned long volatile __jiffy_data jiffies;
+extern u64 __cacheline_aligned_in_smp jiffies_64;
+extern unsigned long volatile __cacheline_aligned_in_smp __jiffy_arch_data jiffies;

#if (BITS_PER_LONG < 64)
u64 get_jiffies_64(void);
diff --git a/include/linux/llist.h b/include/linux/llist.h
index fd4ca0b4fe0f..ac6796138ba0 100644
--- a/include/linux/llist.h
+++ b/include/linux/llist.h
@@ -87,6 +87,23 @@ static inline void init_llist_head(struct llist_head *list)
#define llist_entry(ptr, type, member) \
container_of(ptr, type, member)

+/**
+ * member_address_is_nonnull - check whether the member address is not NULL
+ * @ptr: the object pointer (struct type * that contains the llist_node)
+ * @member: the name of the llist_node within the struct.
+ *
+ * This macro is conceptually the same as
+ * &ptr->member != NULL
+ * but it works around the fact that compilers can decide that taking a member
+ * address is never a NULL pointer.
+ *
+ * Real objects that start at a high address and have a member at NULL are
+ * unlikely to exist, but such pointers may be returned e.g. by the
+ * container_of() macro.
+ */
+#define member_address_is_nonnull(ptr, member) \
+ ((uintptr_t)(ptr) + offsetof(typeof(*(ptr)), member) != 0)
+
/**
* llist_for_each - iterate over some deleted entries of a lock-less list
* @pos: the &struct llist_node to use as a loop cursor
@@ -121,7 +138,7 @@ static inline void init_llist_head(struct llist_head *list)
*/
#define llist_for_each_entry(pos, node, member) \
for ((pos) = llist_entry((node), typeof(*(pos)), member); \
- &(pos)->member != NULL; \
+ member_address_is_nonnull(pos, member); \
(pos) = llist_entry((pos)->member.next, typeof(*(pos)), member))

/**
@@ -143,7 +160,7 @@ static inline void init_llist_head(struct llist_head *list)
*/
#define llist_for_each_entry_safe(pos, n, node, member) \
for (pos = llist_entry((node), typeof(*pos), member); \
- &pos->member != NULL && \
+ member_address_is_nonnull(pos, member) && \
(n = llist_entry(pos->member.next, typeof(*n), member), true); \
pos = n)

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 53e361a9af79..6923e4049de3 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -247,6 +247,8 @@ 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,
diff --git a/include/linux/nospec.h b/include/linux/nospec.h
index 115381228203..e791ebc65c9c 100644
--- a/include/linux/nospec.h
+++ b/include/linux/nospec.h
@@ -20,20 +20,6 @@
static inline unsigned long array_index_mask_nospec(unsigned long index,
unsigned long size)
{
- /*
- * Warn developers about inappropriate array_index_nospec() usage.
- *
- * Even if the CPU speculates past the WARN_ONCE branch, the
- * sign bit of @index is taken into account when generating the
- * mask.
- *
- * This warning is compiled out when the compiler can infer that
- * @index and @size are less than LONG_MAX.
- */
- if (WARN_ONCE(index > LONG_MAX || size > LONG_MAX,
- "array_index_nospec() limited to range of [0, LONG_MAX]\n"))
- return 0;
-
/*
* Always calculate and emit the mask even if the compiler
* thinks the mask is not needed. The compiler does not take
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 83b264c52898..a1042afff99a 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -372,6 +372,7 @@ extern void proc_clear_tty(struct task_struct *p);
extern struct tty_struct *get_current_tty(void);
/* tty_io.c */
extern int __init tty_init(void);
+extern const char *tty_name(const struct tty_struct *tty);
#else
static inline void console_init(void)
{ }
@@ -392,6 +393,8 @@ static inline struct tty_struct *get_current_tty(void)
/* tty_io.c */
static inline int __init tty_init(void)
{ return 0; }
+static inline const char *tty_name(const struct tty_struct *tty)
+{ return "(none)"; }
#endif

extern void tty_write_flush(struct tty_struct *);
@@ -420,7 +423,6 @@ static inline struct tty_struct *tty_kref_get(struct tty_struct *tty)

extern int tty_paranoia_check(struct tty_struct *tty, struct inode *inode,
const char *routine);
-extern const char *tty_name(const struct tty_struct *tty);
extern void tty_wait_until_sent(struct tty_struct *tty, long timeout);
extern int __tty_check_change(struct tty_struct *tty, int sig);
extern int tty_check_change(struct tty_struct *tty);
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 3d583a10b926..7e84aac39ade 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -662,9 +662,21 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
#define gadget_for_each_ep(tmp, gadget) \
list_for_each_entry(tmp, &(gadget)->ep_list, ep_list)

+/**
+ * usb_ep_align - returns @len aligned to ep's maxpacketsize.
+ * @ep: the endpoint whose maxpacketsize is used to align @len
+ * @len: buffer size's length to align to @ep's maxpacketsize
+ *
+ * This helper is used to align buffer's size to an ep's maxpacketsize.
+ */
+static inline size_t usb_ep_align(struct usb_ep *ep, size_t len)
+{
+ return round_up(len, (size_t)le16_to_cpu(ep->desc->wMaxPacketSize));
+}
+
/**
* usb_ep_align_maybe - returns @len aligned to ep's maxpacketsize if gadget
- * requires quirk_ep_out_aligned_size, otherwise reguens len.
+ * requires quirk_ep_out_aligned_size, otherwise returns len.
* @g: controller to check for quirk
* @ep: the endpoint whose maxpacketsize is used to align @len
* @len: buffer size's length to align to @ep's maxpacketsize
@@ -675,8 +687,7 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
static inline size_t
usb_ep_align_maybe(struct usb_gadget *g, struct usb_ep *ep, size_t len)
{
- return !g->quirk_ep_out_aligned_size ? len :
- round_up(len, (size_t)ep->desc->wMaxPacketSize);
+ return g->quirk_ep_out_aligned_size ? usb_ep_align(ep, len) : len;
}

/**
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index a78ff97eb249..d77416963f05 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -123,6 +123,8 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
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_dmac_by_grh(const union ib_gid *sgid, const union ib_gid *dgid,
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 1becea86c73c..eb3c786afa70 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -106,7 +106,7 @@
#define PCI_SUBSYSTEM_ID 0x2e
#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
#define PCI_ROM_ADDRESS_ENABLE 0x01
-#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
+#define PCI_ROM_ADDRESS_MASK (~0x7ffU)

#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */

diff --git a/kernel/audit.c b/kernel/audit.c
index 41f9a38bb800..6881b485aa2a 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -64,7 +64,6 @@
#include <linux/security.h>
#endif
#include <linux/freezer.h>
-#include <linux/tty.h>
#include <linux/pid_namespace.h>
#include <net/netns/generic.h>

@@ -1876,21 +1875,14 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
{
const struct cred *cred;
char comm[sizeof(tsk->comm)];
- char *tty;
+ struct tty_struct *tty;

if (!ab)
return;

/* tsk == current */
cred = current_cred();
-
- spin_lock_irq(&tsk->sighand->siglock);
- if (tsk->signal && tsk->signal->tty && tsk->signal->tty->name)
- tty = tsk->signal->tty->name;
- else
- tty = "(none)";
- spin_unlock_irq(&tsk->sighand->siglock);
-
+ tty = audit_get_tty(tsk);
audit_log_format(ab,
" ppid=%d pid=%d auid=%u uid=%u gid=%u"
" euid=%u suid=%u fsuid=%u"
@@ -1906,11 +1898,11 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)
from_kgid(&init_user_ns, cred->egid),
from_kgid(&init_user_ns, cred->sgid),
from_kgid(&init_user_ns, cred->fsgid),
- tty, audit_get_sessionid(tsk));
-
+ tty ? tty_name(tty) : "(none)",
+ audit_get_sessionid(tsk));
+ audit_put_tty(tty);
audit_log_format(ab, " comm=");
audit_log_untrustedstring(ab, get_task_comm(comm, tsk));
-
audit_log_d_path_exe(ab, tsk->mm);
audit_log_task_context(ab);
}
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 48f45987dc6c..4bdea31cf6ce 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1976,6 +1976,7 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid,
{
struct audit_buffer *ab;
uid_t uid, oldloginuid, loginuid;
+ struct tty_struct *tty;

if (!audit_enabled)
return;
@@ -1983,14 +1984,17 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid,
uid = from_kuid(&init_user_ns, task_uid(current));
oldloginuid = from_kuid(&init_user_ns, koldloginuid);
loginuid = from_kuid(&init_user_ns, kloginuid),
+ tty = audit_get_tty(current);

ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_LOGIN);
if (!ab)
return;
audit_log_format(ab, "pid=%d uid=%u", task_pid_nr(current), uid);
audit_log_task_context(ab);
- audit_log_format(ab, " old-auid=%u auid=%u old-ses=%u ses=%u res=%d",
- oldloginuid, loginuid, oldsessionid, sessionid, !rc);
+ audit_log_format(ab, " old-auid=%u auid=%u tty=%s old-ses=%u ses=%u res=%d",
+ oldloginuid, loginuid, tty ? tty_name(tty) : "(none)",
+ oldsessionid, sessionid, !rc);
+ audit_put_tty(tty);
audit_log_end(ab);
}

diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c
index 92ce5f4ccc26..a27245fdcd81 100644
--- a/kernel/events/hw_breakpoint.c
+++ b/kernel/events/hw_breakpoint.c
@@ -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;
-
- err = validate_hw_breakpoint(bp);
- if (!err)
- perf_event_enable(bp);
+ if (!attr->disabled) {
+ int err = validate_hw_breakpoint(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);
+ if (err)
+ return err;

- return err;
+ perf_event_enable(bp);
+ bp->attr.disabled = 0;
}

-end:
- bp->attr.disabled = attr->disabled;
-
return 0;
}
EXPORT_SYMBOL_GPL(modify_user_hw_breakpoint);
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index a079ed14f230..5f55a8bf5264 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -836,7 +836,7 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
* This code is triggered unconditionally. Check the affinity
* mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out.
*/
- if (desc->irq_common_data.affinity)
+ if (cpumask_available(desc->irq_common_data.affinity))
cpumask_copy(mask, desc->irq_common_data.affinity);
else
valid = false;
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 695763516908..bbe9dd0886bd 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -125,7 +125,7 @@ static void *alloc_insn_page(void)
return module_alloc(PAGE_SIZE);
}

-static void free_insn_page(void *page)
+void __weak free_insn_page(void *page)
{
module_memfree(page);
}
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index a988d4ef39da..7f80b1a1bc34 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -922,7 +922,7 @@ static atomic_t nr_wb_congested[2];
void clear_wb_congested(struct bdi_writeback_congested *congested, int sync)
{
wait_queue_head_t *wqh = &congestion_wqh[sync];
- enum wb_state bit;
+ enum wb_congested_state bit;

bit = sync ? WB_sync_congested : WB_async_congested;
if (test_and_clear_bit(bit, &congested->state))
@@ -935,7 +935,7 @@ EXPORT_SYMBOL(clear_wb_congested);

void set_wb_congested(struct bdi_writeback_congested *congested, int sync)
{
- enum wb_state bit;
+ enum wb_congested_state bit;

bit = sync ? WB_sync_congested : WB_async_congested;
if (!test_and_set_bit(bit, &congested->state))
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 906f88550cd8..0dc27d2e8f18 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2251,8 +2251,14 @@ 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;
diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c
index 9637a681bdda..9adf16258cab 100644
--- a/net/bridge/netfilter/ebt_among.c
+++ b/net/bridge/netfilter/ebt_among.c
@@ -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)) {
diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c
index 574f7ebba0b6..ac8342dcb55e 100644
--- a/net/ipv4/netfilter/nf_nat_h323.c
+++ b/net/ipv4/netfilter/nf_nat_h323.c
@@ -252,16 +252,16 @@ static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct,
if (set_h245_addr(skb, protoff, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons((port & htons(1)) ? nated_port + 1 :
- nated_port)) == 0) {
- /* Save ports */
- info->rtp_port[i][dir] = rtp_port;
- info->rtp_port[i][!dir] = htons(nated_port);
- } else {
+ nated_port))) {
nf_ct_unexpect_related(rtp_exp);
nf_ct_unexpect_related(rtcp_exp);
return -1;
}

+ /* Save ports */
+ info->rtp_port[i][dir] = rtp_port;
+ info->rtp_port[i][!dir] = htons(nated_port);
+
/* Success */
pr_debug("nf_nat_h323: expect RTP %pI4:%hu->%pI4:%hu\n",
&rtp_exp->tuple.src.u3.ip,
@@ -370,15 +370,15 @@ static int nat_h245(struct sk_buff *skb, struct nf_conn *ct,
/* Modify signal */
if (set_h225_addr(skb, protoff, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
- htons(nated_port)) == 0) {
- /* Save ports */
- info->sig_port[dir] = port;
- info->sig_port[!dir] = htons(nated_port);
- } else {
+ htons(nated_port))) {
nf_ct_unexpect_related(exp);
return -1;
}

+ /* Save ports */
+ info->sig_port[dir] = port;
+ info->sig_port[!dir] = htons(nated_port);
+
pr_debug("nf_nat_q931: expect H.245 %pI4:%hu->%pI4:%hu\n",
&exp->tuple.src.u3.ip,
ntohs(exp->tuple.src.u.tcp.port),
@@ -462,24 +462,27 @@ static int nat_q931(struct sk_buff *skb, struct nf_conn *ct,
/* Modify signal */
if (set_h225_addr(skb, protoff, data, 0, &taddr[idx],
&ct->tuplehash[!dir].tuple.dst.u3,
- htons(nated_port)) == 0) {
- /* Save ports */
- info->sig_port[dir] = port;
- info->sig_port[!dir] = htons(nated_port);
-
- /* Fix for Gnomemeeting */
- if (idx > 0 &&
- get_h225_addr(ct, *data, &taddr[0], &addr, &port) &&
- (ntohl(addr.ip) & 0xff000000) == 0x7f000000) {
- set_h225_addr(skb, protoff, data, 0, &taddr[0],
- &ct->tuplehash[!dir].tuple.dst.u3,
- info->sig_port[!dir]);
- }
- } else {
+ htons(nated_port))) {
nf_ct_unexpect_related(exp);
return -1;
}

+ /* Save ports */
+ info->sig_port[dir] = port;
+ info->sig_port[!dir] = htons(nated_port);
+
+ /* Fix for Gnomemeeting */
+ if (idx > 0 &&
+ get_h225_addr(ct, *data, &taddr[0], &addr, &port) &&
+ (ntohl(addr.ip) & 0xff000000) == 0x7f000000) {
+ if (set_h225_addr(skb, protoff, data, 0, &taddr[0],
+ &ct->tuplehash[!dir].tuple.dst.u3,
+ info->sig_port[!dir])) {
+ nf_ct_unexpect_related(exp);
+ return -1;
+ }
+ }
+
/* Success */
pr_debug("nf_nat_ras: expect Q.931 %pI4:%hu->%pI4:%hu\n",
&exp->tuple.src.u3.ip,
@@ -550,9 +553,9 @@ static int nat_callforwarding(struct sk_buff *skb, struct nf_conn *ct,
}

/* Modify signal */
- if (!set_h225_addr(skb, protoff, data, dataoff, taddr,
- &ct->tuplehash[!dir].tuple.dst.u3,
- htons(nated_port)) == 0) {
+ if (set_h225_addr(skb, protoff, data, dataoff, taddr,
+ &ct->tuplehash[!dir].tuple.dst.u3,
+ htons(nated_port))) {
nf_ct_unexpect_related(exp);
return -1;
}
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index e4b0fb2f06a3..d7105422bc63 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -614,7 +614,6 @@ 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));
@@ -627,25 +626,6 @@ 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);
}

/**
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 660939df7c94..4ece07c68b3f 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -999,9 +999,8 @@ static const struct nla_policy tuple_nla_policy[CTA_TUPLE_MAX+1] = {

static int
ctnetlink_parse_tuple(const struct nlattr * const cda[],
- struct nf_conntrack_tuple *tuple,
- enum ctattr_type type, u_int8_t l3num,
- struct nf_conntrack_zone *zone)
+ struct nf_conntrack_tuple *tuple, u32 type,
+ u_int8_t l3num, struct nf_conntrack_zone *zone)
{
struct nlattr *tb[CTA_TUPLE_MAX+1];
int err;
@@ -2416,7 +2415,7 @@ static struct nfnl_ct_hook ctnetlink_glue_hook = {
static inline int
ctnetlink_exp_dump_tuple(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple,
- enum ctattr_expect type)
+ u32 type)
{
struct nlattr *nest_parms;

diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 34ae20490c94..1f3c305df45d 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -366,6 +366,36 @@ 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)
{
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 178696852bde..7381be0cdcdf 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -668,8 +668,9 @@ static int hashlimit_mt_check(const struct xt_mtchk_param *par)

if (info->cfg.gc_interval == 0 || info->cfg.expire == 0)
return -EINVAL;
- if (info->name[sizeof(info->name)-1] != '\0')
- return -EINVAL;
+ ret = xt_check_proc_name(info->name, sizeof(info->name));
+ if (ret)
+ return ret;
if (par->family == NFPROTO_IPV4) {
if (info->cfg.srcmask > 32 || info->cfg.dstmask > 32)
return -EINVAL;
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index d725a27743a1..cd53b861a15c 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -364,9 +364,9 @@ 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;
diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c
index ccfdc7115a83..a00ec715aa46 100644
--- a/net/xfrm/xfrm_ipcomp.c
+++ b/net/xfrm/xfrm_ipcomp.c
@@ -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++;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 96d664e198bf..34b5b4bcf5cb 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1845,6 +1845,11 @@ 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 (is_compat_task())
+ return -EOPNOTSUPP;
+#endif
+
if (!optval && !optlen) {
xfrm_sk_policy_insert(sk, XFRM_POLICY_IN, NULL);
xfrm_sk_policy_insert(sk, XFRM_POLICY_OUT, NULL);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index fa856a07e40b..5d9f25cb6426 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -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;
+ if (!rt)
+ return (p->flags & XFRM_STATE_ESN) ? -EINVAL : 0;

- rs = nla_data(rt);
+ rs = nla_data(rt);

- if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
- return -EINVAL;
-
- if (nla_len(rt) < xfrm_replay_state_esn_len(rs) &&
- nla_len(rt) != sizeof(*rs))
- return -EINVAL;
- }
+ if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
+ return -EINVAL;

- if (!rt)
- return 0;
+ if (nla_len(rt) < 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))
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 4c7db967b7bb..4f690ab0feed 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -333,18 +333,6 @@ static void superblock_free_security(struct super_block *sb)
kfree(sbsec);
}

-/* The file system's label must be initialized prior to use. */
-
-static const char *labeling_behaviors[7] = {
- "uses xattr",
- "uses transition SIDs",
- "uses task SIDs",
- "uses genfs_contexts",
- "not configured for labeling",
- "uses mountpoint labeling",
- "uses native labeling",
-};
-
static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dentry);

static inline int inode_doinit(struct inode *inode)
@@ -456,10 +444,6 @@ static int sb_finish_set_opts(struct super_block *sb)
}
}

- if (sbsec->behavior > ARRAY_SIZE(labeling_behaviors))
- printk(KERN_ERR "SELinux: initialized (dev %s, type %s), unknown behavior\n",
- sb->s_id, sb->s_type->name);
-
sbsec->flags |= SE_SBINITIALIZED;
if (selinux_is_sblabel_mnt(sb))
sbsec->flags |= SBLABEL_MNT;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index db7eff3573a9..23dca68ffe25 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -155,7 +155,7 @@ static int selinux_set_mapping(struct policydb *pol,
}

k = 0;
- while (p_in->perms && p_in->perms[k]) {
+ while (p_in->perms[k]) {
/* An empty permission string skips ahead */
if (!*p_in->perms[k]) {
k++;
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index daa1feac66bf..6cd8aec146f2 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1361,7 +1361,7 @@ 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))
@@ -1468,7 +1468,7 @@ 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))
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 4ba64fd49759..ce2954a31238 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3408,7 +3408,7 @@ 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;
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