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SubjectRe: Linux 3.18.109
diff --git a/Makefile b/Makefile
index a562ebf4d500..2b756a97bdd4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 18
-SUBLEVEL = 108
+SUBLEVEL = 109
EXTRAVERSION =
NAME = Diseased Newt

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ac18149637be..c0b5661f87b2 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4244,6 +4244,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM |
ATA_HORKAGE_NOLPM, },

+ /* Sandisk devices which are known to not handle LPM well */
+ { "SanDisk SD7UB3Q*G1001", NULL, ATA_HORKAGE_NOLPM, },
+
/* devices that don't properly handle queued TRIM commands */
{ "Micron_M500_*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index e261a53f9a02..881e893aba82 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -174,7 +174,11 @@ static int set_rq_size(struct mlx5_ib_dev *dev, struct ib_qp_cap *cap,
} else {
if (ucmd) {
qp->rq.wqe_cnt = ucmd->rq_wqe_count;
+ if (ucmd->rq_wqe_shift > BITS_PER_BYTE * sizeof(ucmd->rq_wqe_shift))
+ return -EINVAL;
qp->rq.wqe_shift = ucmd->rq_wqe_shift;
+ if ((1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) < qp->wq_sig)
+ return -EINVAL;
qp->rq.max_gs = (1 << qp->rq.wqe_shift) / sizeof(struct mlx5_wqe_data_seg) - qp->wq_sig;
qp->rq.max_post = qp->rq.wqe_cnt;
} else {
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 355914a31591..a50b32bebd75 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -850,7 +850,7 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev,

skb = alloc_can_skb(priv->netdev, &cf);
if (!skb) {
- stats->tx_dropped++;
+ stats->rx_dropped++;
return;
}

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index cdaeb9295afc..03fabd71ddfc 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -673,6 +673,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x05c6, 0x9080, 8)},
{QMI_FIXED_INTF(0x05c6, 0x9083, 3)},
{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
+ {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */
{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 7da914bc2094..fed7da8a5f60 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -1002,7 +1002,9 @@ static void musb_bulk_nak_timeout(struct musb *musb, struct musb_hw_ep *ep,
/* set tx_reinit and schedule the next qh */
ep->tx_reinit = 1;
}
- musb_start_urb(musb, is_in, next_qh);
+
+ if (next_qh)
+ musb_start_urb(musb, is_in, next_qh);
}
}

diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index 337a0be89fcf..dbc3801b43eb 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -338,47 +338,48 @@ static int palm_os_3_probe(struct usb_serial *serial,
goto exit;
}

- if (retval == sizeof(*connection_info)) {
- connection_info = (struct visor_connection_info *)
- transfer_buffer;
-
- num_ports = le16_to_cpu(connection_info->num_ports);
- for (i = 0; i < num_ports; ++i) {
- switch (
- connection_info->connections[i].port_function_id) {
- case VISOR_FUNCTION_GENERIC:
- string = "Generic";
- break;
- case VISOR_FUNCTION_DEBUGGER:
- string = "Debugger";
- break;
- case VISOR_FUNCTION_HOTSYNC:
- string = "HotSync";
- break;
- case VISOR_FUNCTION_CONSOLE:
- string = "Console";
- break;
- case VISOR_FUNCTION_REMOTE_FILE_SYS:
- string = "Remote File System";
- break;
- default:
- string = "unknown";
- break;
- }
- dev_info(dev, "%s: port %d, is for %s use\n",
- serial->type->description,
- connection_info->connections[i].port, string);
- }
+ if (retval != sizeof(*connection_info)) {
+ dev_err(dev, "Invalid connection information received from device\n");
+ retval = -ENODEV;
+ goto exit;
}
- /*
- * Handle devices that report invalid stuff here.
- */
+
+ connection_info = (struct visor_connection_info *)transfer_buffer;
+
+ num_ports = le16_to_cpu(connection_info->num_ports);
+
+ /* Handle devices that report invalid stuff here. */
if (num_ports == 0 || num_ports > 2) {
dev_warn(dev, "%s: No valid connect info available\n",
serial->type->description);
num_ports = 2;
}

+ for (i = 0; i < num_ports; ++i) {
+ switch (connection_info->connections[i].port_function_id) {
+ case VISOR_FUNCTION_GENERIC:
+ string = "Generic";
+ break;
+ case VISOR_FUNCTION_DEBUGGER:
+ string = "Debugger";
+ break;
+ case VISOR_FUNCTION_HOTSYNC:
+ string = "HotSync";
+ break;
+ case VISOR_FUNCTION_CONSOLE:
+ string = "Console";
+ break;
+ case VISOR_FUNCTION_REMOTE_FILE_SYS:
+ string = "Remote File System";
+ break;
+ default:
+ string = "unknown";
+ break;
+ }
+ dev_info(dev, "%s: port %d, is for %s use\n",
+ serial->type->description,
+ connection_info->connections[i].port, string);
+ }
dev_info(dev, "%s: Number of ports: %d\n", serial->type->description,
num_ports);

diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 6c566034e26d..ebbe5f4215d5 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -108,6 +108,7 @@ struct inet_timewait_sock {
#define tw_family __tw_common.skc_family
#define tw_state __tw_common.skc_state
#define tw_reuse __tw_common.skc_reuse
+#define tw_reuseport __tw_common.skc_reuseport
#define tw_ipv6only __tw_common.skc_ipv6only
#define tw_bound_dev_if __tw_common.skc_bound_dev_if
#define tw_node __tw_common.skc_nulls_node
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index 3334dbfa5aa4..7fc78663ec9d 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -6,7 +6,7 @@

static inline int rtnh_ok(const struct rtnexthop *rtnh, int remaining)
{
- return remaining >= sizeof(*rtnh) &&
+ return remaining >= (int)sizeof(*rtnh) &&
rtnh->rtnh_len >= sizeof(*rtnh) &&
rtnh->rtnh_len <= remaining;
}
diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c
index d659487254d5..d37acf86037a 100644
--- a/kernel/events/callchain.c
+++ b/kernel/events/callchain.c
@@ -107,14 +107,8 @@ int get_callchain_buffers(void)
goto exit;
}

- if (count > 1) {
- /* If the allocation failed, give up */
- if (!callchain_cpus_entries)
- err = -ENOMEM;
- goto exit;
- }
-
- err = alloc_callchain_buffers();
+ if (count == 1)
+ err = alloc_callchain_buffers();
exit:
if (err)
atomic_dec(&nr_callchain_events);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index af2780655f5b..e97986c99ed7 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -224,7 +224,7 @@ int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
- int ret = proc_dointvec(table, write, buffer, lenp, ppos);
+ int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);

if (ret || !write)
return ret;
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index fee491d5af9f..27b7bf00457c 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -273,6 +273,9 @@ static int regex_match_full(char *str, struct regex *r, int len)

static int regex_match_front(char *str, struct regex *r, int len)
{
+ if (len < r->len)
+ return 0;
+
if (strncmp(str, r->pattern, r->len) == 0)
return 1;
return 0;
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index db92b385c155..f7e75f3dfcb2 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -149,6 +149,8 @@ static void FETCH_FUNC_NAME(memory, string)(struct pt_regs *regs,
return;

ret = strncpy_from_user(dst, src, maxlen);
+ if (ret == maxlen)
+ dst[--ret] = '\0';

if (ret < 0) { /* Failed to fetch string */
((u8 *)get_rloc_data(dest))[0] = '\0';
diff --git a/mm/percpu.c b/mm/percpu.c
index f7da3a3070c4..ac0b633e8947 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -68,6 +68,7 @@
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
#include <linux/kmemleak.h>
+#include <linux/sched.h>

#include <asm/cacheflush.h>
#include <asm/sections.h>
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index b6b230600b97..41aad226c69b 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -57,8 +57,8 @@ static int __hw_addr_add_ex(struct netdev_hw_addr_list *list,
return -EINVAL;

list_for_each_entry(ha, &list->list, list) {
- if (!memcmp(ha->addr, addr, addr_len) &&
- ha->type == addr_type) {
+ if (ha->type == addr_type &&
+ !memcmp(ha->addr, addr, addr_len)) {
if (global) {
/* check if addr is already used as global */
if (ha->global_use)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 1666c8eaaaf0..e02948e9727a 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -779,6 +779,7 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb)
n->hdr_len = skb->nohdr ? skb_headroom(skb) : skb->hdr_len;
n->cloned = 1;
n->nohdr = 0;
+ n->peeked = 0;
n->destructor = NULL;
C(tail);
C(end);
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index 6d592f8555fb..04ec29ec670a 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -191,6 +191,7 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
tw->tw_dport = inet->inet_dport;
tw->tw_family = sk->sk_family;
tw->tw_reuse = sk->sk_reuse;
+ tw->tw_reuseport = sk->sk_reuseport;
tw->tw_hash = sk->sk_hash;
tw->tw_ipv6only = 0;
tw->tw_transparent = inet->transparent;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0ed7fe7d8d54..49b31070635f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2461,7 +2461,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
case TCP_REPAIR_QUEUE:
if (!tp->repair)
err = -EPERM;
- else if (val < TCP_QUEUES_NR)
+ else if ((unsigned int)val < TCP_QUEUES_NR)
tp->repair_queue = val;
else
err = -EINVAL;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index ed9f07c46815..50096e0edd8e 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1641,6 +1641,8 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,

if (msg->msg_namelen) {
err = -EINVAL;
+ if (msg->msg_namelen < sizeof(struct sockaddr_nl))
+ goto out;
if (addr->nl_family != AF_NETLINK)
goto out;
dst_portid = addr->nl_pid;
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index 0f62326c0f5e..ffa7a20e7b02 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -134,13 +134,18 @@ static int rfkill_gpio_probe(struct platform_device *pdev)

ret = rfkill_register(rfkill->rfkill_dev);
if (ret < 0)
- return ret;
+ goto err_destroy;

platform_set_drvdata(pdev, rfkill);

dev_info(&pdev->dev, "%s device registered.\n", rfkill->name);

return 0;
+
+err_destroy:
+ rfkill_destroy(rfkill->rfkill_dev);
+
+ return ret;
}

static int rfkill_gpio_remove(struct platform_device *pdev)
diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 2d957ba63557..9e7afcb03cd8 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -333,6 +333,8 @@ static int snd_pcm_ioctl_xfern_compat(struct snd_pcm_substream *substream,
return -ENOTTY;
if (substream->stream != dir)
return -EINVAL;
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN)
+ return -EBADFD;

if ((ch = substream->runtime->channels) > 128)
return -EINVAL;
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 3b126af4a026..ef494ffc1369 100644
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -174,12 +174,12 @@ static void snd_virmidi_output_trigger(struct snd_rawmidi_substream *substream,
}
return;
}
+ spin_lock_irqsave(&substream->runtime->lock, flags);
if (vmidi->event.type != SNDRV_SEQ_EVENT_NONE) {
if (snd_seq_kernel_client_dispatch(vmidi->client, &vmidi->event, in_atomic(), 0) < 0)
- return;
+ goto out;
vmidi->event.type = SNDRV_SEQ_EVENT_NONE;
}
- spin_lock_irqsave(&substream->runtime->lock, flags);
while (1) {
count = __snd_rawmidi_transmit_peek(substream, buf, sizeof(buf));
if (count <= 0)
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index 6c5b4e057521..835f3093a48d 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -297,6 +297,8 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd)
cable->pause |= stream;
loopback_timer_stop(dpcm);
spin_unlock(&cable->lock);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ loopback_active_notify(dpcm);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
@@ -305,6 +307,8 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd)
cable->pause &= ~stream;
loopback_timer_start(dpcm);
spin_unlock(&cable->lock);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ loopback_active_notify(dpcm);
break;
default:
return -EINVAL;
@@ -829,9 +833,11 @@ static int loopback_rate_shift_get(struct snd_kcontrol *kcontrol,
{
struct loopback *loopback = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&loopback->cable_lock);
ucontrol->value.integer.value[0] =
loopback->setup[kcontrol->id.subdevice]
[kcontrol->id.device].rate_shift;
+ mutex_unlock(&loopback->cable_lock);
return 0;
}

@@ -863,9 +869,11 @@ static int loopback_notify_get(struct snd_kcontrol *kcontrol,
{
struct loopback *loopback = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&loopback->cable_lock);
ucontrol->value.integer.value[0] =
loopback->setup[kcontrol->id.subdevice]
[kcontrol->id.device].notify;
+ mutex_unlock(&loopback->cable_lock);
return 0;
}

@@ -877,12 +885,14 @@ static int loopback_notify_put(struct snd_kcontrol *kcontrol,
int change = 0;

val = ucontrol->value.integer.value[0] ? 1 : 0;
+ mutex_lock(&loopback->cable_lock);
if (val != loopback->setup[kcontrol->id.subdevice]
[kcontrol->id.device].notify) {
loopback->setup[kcontrol->id.subdevice]
[kcontrol->id.device].notify = val;
change = 1;
}
+ mutex_unlock(&loopback->cable_lock);
return change;
}

@@ -890,13 +900,18 @@ static int loopback_active_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct loopback *loopback = snd_kcontrol_chip(kcontrol);
- struct loopback_cable *cable = loopback->cables
- [kcontrol->id.subdevice][kcontrol->id.device ^ 1];
+ struct loopback_cable *cable;
+
unsigned int val = 0;

- if (cable != NULL)
- val = (cable->running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) ?
- 1 : 0;
+ mutex_lock(&loopback->cable_lock);
+ cable = loopback->cables[kcontrol->id.subdevice][kcontrol->id.device ^ 1];
+ if (cable != NULL) {
+ unsigned int running = cable->running ^ cable->pause;
+
+ val = (running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) ? 1 : 0;
+ }
+ mutex_unlock(&loopback->cable_lock);
ucontrol->value.integer.value[0] = val;
return 0;
}
@@ -939,9 +954,11 @@ static int loopback_rate_get(struct snd_kcontrol *kcontrol,
{
struct loopback *loopback = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&loopback->cable_lock);
ucontrol->value.integer.value[0] =
loopback->setup[kcontrol->id.subdevice]
[kcontrol->id.device].rate;
+ mutex_unlock(&loopback->cable_lock);
return 0;
}

@@ -961,9 +978,11 @@ static int loopback_channels_get(struct snd_kcontrol *kcontrol,
{
struct loopback *loopback = snd_kcontrol_chip(kcontrol);

+ mutex_lock(&loopback->cable_lock);
ucontrol->value.integer.value[0] =
loopback->setup[kcontrol->id.subdevice]
[kcontrol->id.device].channels;
+ mutex_unlock(&loopback->cable_lock);
return 0;
}

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index dc3d3b1b813e..c2d4a7ec40df 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1073,6 +1073,7 @@ volatile int session_done;
static int __perf_session__process_pipe_events(struct perf_session *session,
struct perf_tool *tool)
{
+ struct ordered_events *oe = &session->ordered_events;
int fd = perf_data_file__fd(session->file);
union perf_event *event;
uint32_t size, cur_size = 0;
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