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SubjectRe: Linux 4.9.151
diff --git a/Makefile b/Makefile
index 0e7874951ac5..f1aeb98f9ace 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 150
+SUBLEVEL = 151
EXTRAVERSION =
NAME = Roaring Lionus

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 3a6c9b741b23..4f4c34892086 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -131,6 +131,23 @@ void acpi_power_resources_list_free(struct list_head *list)
}
}

+static bool acpi_power_resource_is_dup(union acpi_object *package,
+ unsigned int start, unsigned int i)
+{
+ acpi_handle rhandle, dup;
+ unsigned int j;
+
+ /* The caller is expected to check the package element types */
+ rhandle = package->package.elements[i].reference.handle;
+ for (j = start; j < i; j++) {
+ dup = package->package.elements[j].reference.handle;
+ if (dup == rhandle)
+ return true;
+ }
+
+ return false;
+}
+
int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
struct list_head *list)
{
@@ -150,6 +167,11 @@ int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
err = -ENODEV;
break;
}
+
+ /* Some ACPI tables contain duplicate power resource references */
+ if (acpi_power_resource_is_dup(package, start, i))
+ continue;
+
err = acpi_add_power_resource(rhandle);
if (err)
break;
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index ef3016a467a0..8a93ca4d6840 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -6346,7 +6346,6 @@ static ssize_t do_rbd_remove(struct bus_type *bus,
struct list_head *tmp;
int dev_id;
char opt_buf[6];
- bool already = false;
bool force = false;
int ret;

@@ -6379,13 +6378,13 @@ static ssize_t do_rbd_remove(struct bus_type *bus,
spin_lock_irq(&rbd_dev->lock);
if (rbd_dev->open_count && !force)
ret = -EBUSY;
- else
- already = test_and_set_bit(RBD_DEV_FLAG_REMOVING,
- &rbd_dev->flags);
+ else if (test_and_set_bit(RBD_DEV_FLAG_REMOVING,
+ &rbd_dev->flags))
+ ret = -EINPROGRESS;
spin_unlock_irq(&rbd_dev->lock);
}
spin_unlock(&rbd_dev_list_lock);
- if (ret < 0 || already)
+ if (ret)
return ret;

if (force) {
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 6f638bbc922d..00e8e675cbeb 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -461,9 +461,15 @@ static long i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return i2cdev_ioctl_smbus(client, arg);

case I2C_RETRIES:
+ if (arg > INT_MAX)
+ return -EINVAL;
+
client->adapter->retries = arg;
break;
case I2C_TIMEOUT:
+ if (arg > INT_MAX)
+ return -EINVAL;
+
/* For historical reasons, user-space sets the timeout
* value in units of 10 ms.
*/
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 6c0bb38c4089..8d4d46f3fd16 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1828,6 +1828,13 @@ static const struct usb_device_id acm_ids[] = {
.driver_info = IGNORE_DEVICE,
},

+ { USB_DEVICE(0x1bc7, 0x0021), /* Telit 3G ACM only composition */
+ .driver_info = SEND_ZERO_PACKET,
+ },
+ { USB_DEVICE(0x1bc7, 0x0023), /* Telit 3G ACM + ECM composition */
+ .driver_info = SEND_ZERO_PACKET,
+ },
+
/* control interfaces without any protocol set */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_PROTO_NONE) },
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index cf378b1ed373..733479ddf8a7 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -240,7 +240,8 @@ static const struct usb_device_id usb_quirk_list[] = {
USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },

/* Corsair K70 RGB */
- { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT },
+ { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT |
+ USB_QUIRK_DELAY_CTRL_MSG },

/* Corsair Strafe */
{ USB_DEVICE(0x1b1c, 0x1b15), .driver_info = USB_QUIRK_DELAY_INIT |
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 344ec8631481..13f2c051dbf2 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -251,8 +251,12 @@ static int slave_configure(struct scsi_device *sdev)
if (!(us->fflags & US_FL_NEEDS_CAP16))
sdev->try_rc_10_first = 1;

- /* assume SPC3 or latter devices support sense size > 18 */
- if (sdev->scsi_level > SCSI_SPC_2)
+ /*
+ * assume SPC3 or latter devices support sense size > 18
+ * unless US_FL_BAD_SENSE quirk is specified.
+ */
+ if (sdev->scsi_level > SCSI_SPC_2 &&
+ !(us->fflags & US_FL_BAD_SENSE))
us->fflags |= US_FL_SANE_SENSE;

/*
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 0a86b3f3638e..c802aabcc58c 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -1284,6 +1284,18 @@ UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_CAPACITY ),

+/*
+ * Reported by Icenowy Zheng <icenowy@aosc.io>
+ * The SMI SM3350 USB-UFS bridge controller will enter a wrong state
+ * that do not process read/write command if a long sense is requested,
+ * so force to use 18-byte sense.
+ */
+UNUSUAL_DEV( 0x090c, 0x3350, 0x0000, 0xffff,
+ "SMI",
+ "SM3350 UFS-to-USB-Mass-Storage bridge",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_BAD_SENSE ),
+
/*
* Reported by Paul Hartman <paul.hartman+linux@gmail.com>
* This card reader returns "Illegal Request, Logical Block Address
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 49eeed25f200..a3046b6523c8 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1118,10 +1118,10 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)

/*
* Accessing maxBuf is racy with cifs_reconnect - need to store value
- * and check it for zero before using.
+ * and check it before using.
*/
max_buf = tcon->ses->server->maxBuf;
- if (!max_buf) {
+ if (max_buf < (sizeof(struct smb_hdr) + sizeof(LOCKING_ANDX_RANGE))) {
free_xid(xid);
return -EINVAL;
}
@@ -1456,10 +1456,10 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,

/*
* Accessing maxBuf is racy with cifs_reconnect - need to store value
- * and check it for zero before using.
+ * and check it before using.
*/
max_buf = tcon->ses->server->maxBuf;
- if (!max_buf)
+ if (max_buf < (sizeof(struct smb_hdr) + sizeof(LOCKING_ANDX_RANGE)))
return -EINVAL;

max_num = (max_buf - sizeof(struct smb_hdr)) /
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index b2aff0c6f22c..b7885dc0d9bb 100644
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -123,10 +123,10 @@ smb2_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,

/*
* Accessing maxBuf is racy with cifs_reconnect - need to store value
- * and check it for zero before using.
+ * and check it before using.
*/
max_buf = tcon->ses->server->maxBuf;
- if (!max_buf)
+ if (max_buf < sizeof(struct smb2_lock_element))
return -EINVAL;

max_num = max_buf / sizeof(struct smb2_lock_element);
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index cc26d4138d70..de133eeebc8a 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -301,7 +301,7 @@ smb_send_rqst(struct TCP_Server_Info *server, struct smb_rqst *rqst)
if (rc < 0 && rc != -EINTR)
cifs_dbg(VFS, "Error %d sending data on socket to server\n",
rc);
- else
+ else if (rc > 0)
rc = 0;

return rc;
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 1008384d5ed5..9a13f86fed62 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -1859,12 +1859,12 @@ int ext4_inline_data_fiemap(struct inode *inode,
physical += (char *)ext4_raw_inode(&iloc) - iloc.bh->b_data;
physical += offsetof(struct ext4_inode, i_block);

- if (physical)
- error = fiemap_fill_next_extent(fieinfo, start, physical,
- inline_len, flags);
brelse(iloc.bh);
out:
up_read(&EXT4_I(inode)->xattr_sem);
+ if (physical)
+ error = fiemap_fill_next_extent(fieinfo, start, physical,
+ inline_len, flags);
return (error < 0 ? error : 0);
}

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f62eca8cbde0..4815be26b15f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2698,7 +2698,8 @@ static int ext4_writepages(struct address_space *mapping,
* We may need to convert up to one extent per block in
* the page and we may dirty the inode.
*/
- rsv_blocks = 1 + (PAGE_SIZE >> inode->i_blkbits);
+ rsv_blocks = 1 + ext4_chunk_trans_blocks(inode,
+ PAGE_SIZE >> inode->i_blkbits);
}

/*
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 6810234b0b27..a6c7ace9cfd1 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4679,7 +4679,7 @@ static int ext4_commit_super(struct super_block *sb, int sync)
ext4_superblock_csum_set(sb);
if (sync)
lock_buffer(sbh);
- if (buffer_write_io_error(sbh)) {
+ if (buffer_write_io_error(sbh) || !buffer_uptodate(sbh)) {
/*
* Oh, dear. A previous attempt to write the
* superblock failed. This could happen because the
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 102c84dcc11a..63eed9ac8fd7 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -291,9 +291,12 @@ struct svc_rqst {
struct svc_cacherep * rq_cacherep; /* cache info */
struct task_struct *rq_task; /* service thread */
spinlock_t rq_lock; /* per-request lock */
+ struct net *rq_bc_net; /* pointer to backchannel's
+ * net namespace
+ */
};

-#define SVC_NET(svc_rqst) (svc_rqst->rq_xprt->xpt_net)
+#define SVC_NET(rqst) (rqst->rq_xprt ? rqst->rq_xprt->xpt_net : rqst->rq_bc_net)

/*
* Rigorous type checking on sockaddr type conversions
diff --git a/mm/slab.c b/mm/slab.c
index 263dcda6897b..354a09deecff 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -682,8 +682,10 @@ static struct alien_cache *__alloc_alien_cache(int node, int entries,
struct alien_cache *alc = NULL;

alc = kmalloc_node(memsize, gfp, node);
- init_arraycache(&alc->ac, entries, batch);
- spin_lock_init(&alc->lock);
+ if (alc) {
+ init_arraycache(&alc->ac, entries, batch);
+ spin_lock_init(&alc->lock);
+ }
return alc;
}

diff --git a/mm/util.c b/mm/util.c
index 8c755d05d4e6..07f467206186 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -389,7 +389,7 @@ bool page_mapped(struct page *page)
return true;
if (PageHuge(page))
return false;
- for (i = 0; i < hpage_nr_pages(page); i++) {
+ for (i = 0; i < (1 << compound_order(page)); i++) {
if (atomic_read(&page[i]._mapcount) >= 0)
return true;
}
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 272c34551979..eea18a124e4f 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -1137,6 +1137,8 @@ void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...)
static __printf(2,3) void svc_printk(struct svc_rqst *rqstp, const char *fmt, ...) {}
#endif

+extern void svc_tcp_prep_reply_hdr(struct svc_rqst *);
+
/*
* Common routine for processing the RPC request.
*/
@@ -1166,7 +1168,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
clear_bit(RQ_DROPME, &rqstp->rq_flags);

/* Setup reply header */
- rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp);
+ if (rqstp->rq_prot == IPPROTO_TCP)
+ svc_tcp_prep_reply_hdr(rqstp);

svc_putu32(resv, rqstp->rq_xid);

@@ -1312,7 +1315,7 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv)
return 0;

close:
- if (test_bit(XPT_TEMP, &rqstp->rq_xprt->xpt_flags))
+ if (rqstp->rq_xprt && test_bit(XPT_TEMP, &rqstp->rq_xprt->xpt_flags))
svc_close_xprt(rqstp->rq_xprt);
dprintk("svc: svc_process close\n");
return 0;
@@ -1439,10 +1442,10 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req,
dprintk("svc: %s(%p)\n", __func__, req);

/* Build the svc_rqst used by the common processing routine */
- rqstp->rq_xprt = serv->sv_bc_xprt;
rqstp->rq_xid = req->rq_xid;
rqstp->rq_prot = req->rq_xprt->prot;
rqstp->rq_server = serv;
+ rqstp->rq_bc_net = req->rq_xprt->xprt_net;

rqstp->rq_addrlen = sizeof(req->rq_xprt->addr);
memcpy(&rqstp->rq_addr, &req->rq_xprt->addr, rqstp->rq_addrlen);
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 064f20bb845a..42ce3ed21637 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -510,10 +510,11 @@ static struct svc_xprt *svc_xprt_dequeue(struct svc_pool *pool)
*/
void svc_reserve(struct svc_rqst *rqstp, int space)
{
+ struct svc_xprt *xprt = rqstp->rq_xprt;
+
space += rqstp->rq_res.head[0].iov_len;

- if (space < rqstp->rq_reserved) {
- struct svc_xprt *xprt = rqstp->rq_xprt;
+ if (xprt && space < rqstp->rq_reserved) {
atomic_sub((rqstp->rq_reserved - space), &xprt->xpt_reserved);
rqstp->rq_reserved = space;

diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 33f599cb0936..fd7fbe91955e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1195,7 +1195,7 @@ static int svc_tcp_sendto(struct svc_rqst *rqstp)
/*
* Setup response header. TCP has a 4B record length field.
*/
-static void svc_tcp_prep_reply_hdr(struct svc_rqst *rqstp)
+void svc_tcp_prep_reply_hdr(struct svc_rqst *rqstp)
{
struct kvec *resv = &rqstp->rq_res.head[0];

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 0fd31cff483e..0fc05ebdf81a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4841,6 +4841,13 @@ static void alc280_fixup_hp_9480m(struct hda_codec *codec,
}
}

+static void alc_fixup_disable_mic_vref(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ if (action == HDA_FIXUP_ACT_PRE_PROBE)
+ snd_hda_codec_set_pin_target(codec, 0x19, PIN_VREFHIZ);
+}
+
/* for hda_fixup_thinkpad_acpi() */
#include "thinkpad_helper.c"

@@ -4947,6 +4954,7 @@ enum {
ALC293_FIXUP_LENOVO_SPK_NOISE,
ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY,
ALC255_FIXUP_DELL_SPK_NOISE,
+ ALC225_FIXUP_DISABLE_MIC_VREF,
ALC225_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC295_FIXUP_DISABLE_DAC3,
ALC280_FIXUP_HP_HEADSET_MIC,
@@ -5605,6 +5613,12 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
},
+ [ALC225_FIXUP_DISABLE_MIC_VREF] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_disable_mic_vref,
+ .chained = true,
+ .chain_id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE
+ },
[ALC225_FIXUP_DELL1_MIC_NO_PRESENCE] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = (const struct hda_verb[]) {
@@ -5614,7 +5628,7 @@ static const struct hda_fixup alc269_fixups[] = {
{}
},
.chained = true,
- .chain_id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE
+ .chain_id = ALC225_FIXUP_DISABLE_MIC_VREF
},
[ALC280_FIXUP_HP_HEADSET_MIC] = {
.type = HDA_FIXUP_FUNC,
\
 
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