Re: Linux 4.14.311

From: Greg Kroah-Hartman
Date: Wed Mar 22 2023 - 14:54:01 EST

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diff --git a/Makefile b/Makefile
index edd89ca6f956..8d915cd89342 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 310
+SUBLEVEL = 311
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index ed4d6276e94f..ebf1e9b7f93b 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -940,6 +940,8 @@ static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id)
print_version();

hp = mdesc_grab();
+ if (!hp)
+ return -ENODEV;

err = -ENODEV;
if ((vdev->dev_no << PARTITION_SHIFT) & ~(u64)MINORMASK) {
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 6c7563c1ab5f..f0b923e037df 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1359,10 +1359,11 @@ static struct i915_vma *
intel_ring_create_vma(struct drm_i915_private *dev_priv, int size)
{
struct i915_address_space *vm = &dev_priv->ggtt.base;
- struct drm_i915_gem_object *obj;
+ struct drm_i915_gem_object *obj = NULL;
struct i915_vma *vma;

- obj = i915_gem_object_create_stolen(dev_priv, size);
+ if (!HAS_LLC(dev_priv))
+ obj = i915_gem_object_create_stolen(dev_priv, size);
if (!obj)
obj = i915_gem_object_create_internal(dev_priv, size);
if (IS_ERR(obj))
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index ab78c1e6f37d..fe3824a6af5c 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -245,6 +245,7 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign
unsigned usages;
unsigned offset;
unsigned i;
+ unsigned int max_buffer_size = HID_MAX_BUFFER_SIZE;

report = hid_register_report(parser->device, report_type, parser->global.report_id);
if (!report) {
@@ -268,8 +269,11 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign
offset = report->size;
report->size += parser->global.report_size * parser->global.report_count;

+ if (parser->device->ll_driver->max_buffer_size)
+ max_buffer_size = parser->device->ll_driver->max_buffer_size;
+
/* Total size check: Allow for possible report index byte */
- if (report->size > (HID_MAX_BUFFER_SIZE - 1) << 3) {
+ if (report->size > (max_buffer_size - 1) << 3) {
hid_err(parser->device, "report is too long\n");
return -1;
}
@@ -1568,6 +1572,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
struct hid_report_enum *report_enum = hid->report_enum + type;
struct hid_report *report;
struct hid_driver *hdrv;
+ int max_buffer_size = HID_MAX_BUFFER_SIZE;
unsigned int a;
u32 rsize, csize = size;
u8 *cdata = data;
@@ -1584,10 +1589,13 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,

rsize = hid_compute_report_size(report);

- if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE)
- rsize = HID_MAX_BUFFER_SIZE - 1;
- else if (rsize > HID_MAX_BUFFER_SIZE)
- rsize = HID_MAX_BUFFER_SIZE;
+ if (hid->ll_driver->max_buffer_size)
+ max_buffer_size = hid->ll_driver->max_buffer_size;
+
+ if (report_enum->numbered && rsize >= max_buffer_size)
+ rsize = max_buffer_size - 1;
+ else if (rsize > max_buffer_size)
+ rsize = max_buffer_size;

if (csize < rsize) {
dbg_hid("report %d is too short, (%d < %d)\n", report->id,
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 333b6a769189..b7efc5c055be 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -399,6 +399,7 @@ struct hid_ll_driver uhid_hid_driver = {
.parse = uhid_hid_parse,
.raw_request = uhid_hid_raw_request,
.output_report = uhid_hid_output_report,
+ .max_buffer_size = UHID_DATA_MAX,
};
EXPORT_SYMBOL_GPL(uhid_hid_driver);

diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index d7d1f2467100..51bc70e6ec3f 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -480,10 +480,10 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *attr,
val = (temp - val) / 1000;

if (sattr->index != 1) {
- data->temp[HYSTERSIS][sattr->index] &= 0xF0;
+ data->temp[HYSTERSIS][sattr->index] &= 0x0F;
data->temp[HYSTERSIS][sattr->index] |= (val & 0xF) << 4;
} else {
- data->temp[HYSTERSIS][sattr->index] &= 0x0F;
+ data->temp[HYSTERSIS][sattr->index] &= 0xF0;
data->temp[HYSTERSIS][sattr->index] |= (val & 0xF);
}

@@ -549,11 +549,11 @@ static ssize_t show_temp_st(struct device *dev, struct device_attribute *attr,
val = data->enh_acoustics[0] & 0xf;
break;
case 1:
- val = (data->enh_acoustics[1] >> 4) & 0xf;
+ val = data->enh_acoustics[1] & 0xf;
break;
case 2:
default:
- val = data->enh_acoustics[1] & 0xf;
+ val = (data->enh_acoustics[1] >> 4) & 0xf;
break;
}

diff --git a/drivers/hwmon/xgene-hwmon.c b/drivers/hwmon/xgene-hwmon.c
index e1be61095532..4f0d111ba05b 100644
--- a/drivers/hwmon/xgene-hwmon.c
+++ b/drivers/hwmon/xgene-hwmon.c
@@ -751,6 +751,7 @@ static int xgene_hwmon_remove(struct platform_device *pdev)
{
struct xgene_hwmon_dev *ctx = platform_get_drvdata(pdev);

+ cancel_work_sync(&ctx->workq);
hwmon_device_unregister(ctx->hwmon_dev);
kfifo_free(&ctx->async_msg_fifo);
if (acpi_disabled)
diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c
index 9015ebc843b4..e86fb73dbf6a 100644
--- a/drivers/media/i2c/m5mols/m5mols_core.c
+++ b/drivers/media/i2c/m5mols/m5mols_core.c
@@ -482,7 +482,7 @@ static enum m5mols_restype __find_restype(u32 code)
do {
if (code == m5mols_default_ffmt[type].code)
return type;
- } while (type++ != SIZE_DEFAULT_FFMT);
+ } while (++type != SIZE_DEFAULT_FFMT);

return 0;
}
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index c8a591d8a3d9..a09c459d62c6 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -1857,7 +1857,6 @@ static void atmci_tasklet_func(unsigned long priv)
atmci_writel(host, ATMCI_IER, ATMCI_NOTBUSY);
state = STATE_WAITING_NOTBUSY;
} else if (host->mrq->stop) {
- atmci_writel(host, ATMCI_IER, ATMCI_CMDRDY);
atmci_send_stop_cmd(host, data);
state = STATE_SENDING_STOP;
} else {
@@ -1890,8 +1889,6 @@ static void atmci_tasklet_func(unsigned long priv)
* command to send.
*/
if (host->mrq->stop) {
- atmci_writel(host, ATMCI_IER,
- ATMCI_CMDRDY);
atmci_send_stop_cmd(host, data);
state = STATE_SENDING_STOP;
} else {
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 6024b832b4d9..f713277bc517 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -3897,6 +3897,11 @@ static int qed_init_wfq_param(struct qed_hwfn *p_hwfn,

num_vports = p_hwfn->qm_info.num_vports;

+ if (num_vports < 2) {
+ DP_NOTICE(p_hwfn, "Unexpected num_vports: %d\n", num_vports);
+ return -EINVAL;
+ }
+
/* Accounting for the vports which are configured for WFQ explicitly */
for (i = 0; i < num_vports; i++) {
u32 tmp_speed;
diff --git a/drivers/net/ethernet/sun/ldmvsw.c b/drivers/net/ethernet/sun/ldmvsw.c
index e6b96c2989b2..f0a8e3598057 100644
--- a/drivers/net/ethernet/sun/ldmvsw.c
+++ b/drivers/net/ethernet/sun/ldmvsw.c
@@ -289,6 +289,9 @@ static int vsw_port_probe(struct vio_dev *vdev, const struct vio_device_id *id)

hp = mdesc_grab();

+ if (!hp)
+ return -ENODEV;
+
rmac = mdesc_get_property(hp, vdev->mp, remote_macaddr_prop, &len);
err = -ENODEV;
if (!rmac) {
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 02ebbe74d93d..824f5951ad50 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -430,6 +430,9 @@ static int vnet_port_probe(struct vio_dev *vdev, const struct vio_device_id *id)

hp = mdesc_grab();

+ if (!hp)
+ return -ENODEV;
+
vp = vnet_find_parent(hp, vdev->mp, vdev);
if (IS_ERR(vp)) {
pr_err("Cannot find port parent vnet\n");
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
index 2306bfae057f..d5d96e728683 100644
--- a/drivers/net/phy/smsc.c
+++ b/drivers/net/phy/smsc.c
@@ -112,8 +112,11 @@ static int lan911x_config_init(struct phy_device *phydev)
static int lan87xx_read_status(struct phy_device *phydev)
{
struct smsc_phy_priv *priv = phydev->priv;
+ int err;

- int err = genphy_read_status(phydev);
+ err = genphy_read_status(phydev);
+ if (err)
+ return err;

if (!phydev->link && priv->energy_enable) {
int i;
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 8b9fd4e071f3..313a4b0edc6b 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -2213,6 +2213,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;

+ if (unlikely(size > skb->len)) {
+ netif_dbg(dev, rx_err, dev->net,
+ "size err rx_cmd_a=0x%08x\n",
+ rx_cmd_a);
+ return 0;
+ }
+
if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
netif_dbg(dev, rx_err, dev->net,
"Error rx_cmd_a=0x%08x\n", rx_cmd_a);
diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c
index c7da364b6358..a2d61d824024 100644
--- a/drivers/nfc/pn533/usb.c
+++ b/drivers/nfc/pn533/usb.c
@@ -187,6 +187,7 @@ static int pn533_usb_send_frame(struct pn533 *dev,
print_hex_dump_debug("PN533 TX: ", DUMP_PREFIX_NONE, 16, 1,
out->data, out->len, false);

+ arg.phy = phy;
init_completion(&arg.done);
cntx = phy->out_urb->context;
phy->out_urb->context = &arg;
diff --git a/drivers/nfc/st-nci/ndlc.c b/drivers/nfc/st-nci/ndlc.c
index 9477994cf975..a3dfb3d12021 100644
--- a/drivers/nfc/st-nci/ndlc.c
+++ b/drivers/nfc/st-nci/ndlc.c
@@ -302,13 +302,15 @@ EXPORT_SYMBOL(ndlc_probe);

void ndlc_remove(struct llt_ndlc *ndlc)
{
- st_nci_remove(ndlc->ndev);
-
/* cancel timers */
del_timer_sync(&ndlc->t1_timer);
del_timer_sync(&ndlc->t2_timer);
ndlc->t2_active = false;
ndlc->t1_active = false;
+ /* cancel work */
+ cancel_work_sync(&ndlc->sm_work);
+
+ st_nci_remove(ndlc->ndev);

skb_queue_purge(&ndlc->rcv_q);
skb_queue_purge(&ndlc->send_q);
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index e02423d7b3b9..3d2dedd118a7 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -418,8 +418,10 @@ static void __nvmet_req_complete(struct nvmet_req *req, u16 status)

void nvmet_req_complete(struct nvmet_req *req, u16 status)
{
+ struct nvmet_sq *sq = req->sq;
+
__nvmet_req_complete(req, status);
- percpu_ref_put(&req->sq->ref);
+ percpu_ref_put(&sq->ref);
}
EXPORT_SYMBOL_GPL(nvmet_req_complete);

diff --git a/drivers/tty/serial/8250/8250_em.c b/drivers/tty/serial/8250/8250_em.c
index 0b6381214917..e0abc1fd6730 100644
--- a/drivers/tty/serial/8250/8250_em.c
+++ b/drivers/tty/serial/8250/8250_em.c
@@ -113,8 +113,8 @@ static int serial8250_em_probe(struct platform_device *pdev)
memset(&up, 0, sizeof(up));
up.port.mapbase = regs->start;
up.port.irq = irq->start;
- up.port.type = PORT_UNKNOWN;
- up.port.flags = UPF_BOOT_AUTOCONF | UPF_FIXED_PORT | UPF_IOREMAP;
+ up.port.type = PORT_16750;
+ up.port.flags = UPF_FIXED_PORT | UPF_IOREMAP | UPF_FIXED_TYPE;
up.port.dev = &pdev->dev;
up.port.private_data = priv;

diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 2ff39a8d2923..9313562e739e 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -921,6 +921,28 @@ SETUP_HCRX(struct stifb_info *fb)

/* ------------------- driver specific functions --------------------------- */

+static int
+stifb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct stifb_info *fb = container_of(info, struct stifb_info, info);
+
+ if (var->xres != fb->info.var.xres ||
+ var->yres != fb->info.var.yres ||
+ var->bits_per_pixel != fb->info.var.bits_per_pixel)
+ return -EINVAL;
+
+ var->xres_virtual = var->xres;
+ var->yres_virtual = var->yres;
+ var->xoffset = 0;
+ var->yoffset = 0;
+ var->grayscale = fb->info.var.grayscale;
+ var->red.length = fb->info.var.red.length;
+ var->green.length = fb->info.var.green.length;
+ var->blue.length = fb->info.var.blue.length;
+
+ return 0;
+}
+
static int
stifb_setcolreg(u_int regno, u_int red, u_int green,
u_int blue, u_int transp, struct fb_info *info)
@@ -1103,6 +1125,7 @@ stifb_init_display(struct stifb_info *fb)

static struct fb_ops stifb_ops = {
.owner = THIS_MODULE,
+ .fb_check_var = stifb_check_var,
.fb_setcolreg = stifb_setcolreg,
.fb_blank = stifb_blank,
.fb_fillrect = cfb_fillrect,
@@ -1122,6 +1145,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
struct stifb_info *fb;
struct fb_info *info;
unsigned long sti_rom_address;
+ char modestr[32];
char *dev_name;
int bpp, xres, yres;

@@ -1302,6 +1326,9 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA;
info->pseudo_palette = &fb->pseudo_palette;

+ scnprintf(modestr, sizeof(modestr), "%dx%d-%d", xres, yres, bpp);
+ fb_find_mode(&info->var, info, modestr, NULL, 0, NULL, bpp);
+
/* This has to be done !!! */
if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0))
goto out_err1;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9d6d3cb51514..69360b08db73 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4814,13 +4814,6 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
goto bad_inode;
raw_inode = ext4_raw_inode(&iloc);

- if ((ino == EXT4_ROOT_INO) && (raw_inode->i_links_count == 0)) {
- ext4_error_inode(inode, function, line, 0,
- "iget: root inode unallocated");
- ret = -EFSCORRUPTED;
- goto bad_inode;
- }
-
if ((flags & EXT4_IGET_HANDLE) &&
(raw_inode->i_links_count == 0) && (raw_inode->i_mode == 0)) {
ret = -ESTALE;
@@ -4891,11 +4884,16 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
* NeilBrown 1999oct15
*/
if (inode->i_nlink == 0) {
- if ((inode->i_mode == 0 ||
+ if ((inode->i_mode == 0 || flags & EXT4_IGET_SPECIAL ||
!(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_ORPHAN_FS)) &&
ino != EXT4_BOOT_LOADER_INO) {
- /* this inode is deleted */
- ret = -ESTALE;
+ /* this inode is deleted or unallocated */
+ if (flags & EXT4_IGET_SPECIAL) {
+ ext4_error_inode(inode, function, line, 0,
+ "iget: special inode unallocated");
+ ret = -EFSCORRUPTED;
+ } else
+ ret = -ESTALE;
goto bad_inode;
}
/* The only unlinked inodes we let through here have
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 3de933354a08..bf910f266469 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -388,7 +388,8 @@ static int io_submit_init_bio(struct ext4_io_submit *io,

static int io_submit_add_bh(struct ext4_io_submit *io,
struct inode *inode,
- struct page *page,
+ struct page *pagecache_page,
+ struct page *bounce_page,
struct buffer_head *bh)
{
int ret;
@@ -403,10 +404,11 @@ static int io_submit_add_bh(struct ext4_io_submit *io,
return ret;
io->io_bio->bi_write_hint = inode->i_write_hint;
}
- ret = bio_add_page(io->io_bio, page, bh->b_size, bh_offset(bh));
+ ret = bio_add_page(io->io_bio, bounce_page ?: pagecache_page,
+ bh->b_size, bh_offset(bh));
if (ret != bh->b_size)
goto submit_and_retry;
- wbc_account_io(io->io_wbc, page, bh->b_size);
+ wbc_account_io(io->io_wbc, pagecache_page, bh->b_size);
io->io_next_block++;
return 0;
}
@@ -514,8 +516,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
do {
if (!buffer_async_write(bh))
continue;
- ret = io_submit_add_bh(io, inode,
- data_page ? data_page : page, bh);
+ ret = io_submit_add_bh(io, inode, page, data_page, bh);
if (ret) {
/*
* We only get here on ENOMEM. Not much else
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index e1b40bd2f4cf..3ee3e382015f 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -383,6 +383,17 @@ static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino,
struct inode *inode;
int err;

+ /*
+ * We have to check for this corruption early as otherwise
+ * iget_locked() could wait indefinitely for the state of our
+ * parent inode.
+ */
+ if (parent->i_ino == ea_ino) {
+ ext4_error(parent->i_sb,
+ "Parent and EA inode have the same ino %lu", ea_ino);
+ return -EFSCORRUPTED;
+ }
+
inode = ext4_iget(parent->i_sb, ea_ino, EXT4_IGET_NORMAL);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index c41e7f51150f..cef9a469f73a 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -592,7 +592,7 @@ int sysfs_emit_at(char *buf, int at, const char *fmt, ...)
va_list args;
int len;

- if (WARN(!buf || offset_in_page(buf) || at < 0 || at >= PAGE_SIZE,
+ if (WARN(!buf || at < 0 || at >= PAGE_SIZE,
"invalid sysfs_emit_at: buf:%p at:%d\n", buf, at))
return 0;

diff --git a/include/linux/hid.h b/include/linux/hid.h
index f2a1f34f41e8..b5fcc8b0b7ce 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -770,6 +770,7 @@ struct hid_driver {
* @raw_request: send raw report request to device (e.g. feature report)
* @output_report: send output report to device
* @idle: send idle request to device
+ * @max_buffer_size: over-ride maximum data buffer size (default: HID_MAX_BUFFER_SIZE)
*/
struct hid_ll_driver {
int (*start)(struct hid_device *hdev);
@@ -794,6 +795,8 @@ struct hid_ll_driver {
int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);

int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
+
+ unsigned int max_buffer_size;
};

extern struct hid_ll_driver i2c_hid_ll_driver;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1edc2af51e03..2cd7eb2b9173 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -258,9 +258,11 @@ struct hh_cache {
* relationship HH alignment <= LL alignment.
*/
#define LL_RESERVED_SPACE(dev) \
- ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom) + (extra)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)

struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index c255273b0281..37ad81058d6a 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -97,7 +97,10 @@ struct intc_hw_desc {
unsigned int nr_subgroups;
};

-#define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a)
+#define _INTC_SIZEOF_OR_ZERO(a) (_Generic(a, \
+ typeof(NULL): 0, \
+ default: sizeof(a)))
+#define _INTC_ARRAY(a) a, _INTC_SIZEOF_OR_ZERO(a)/sizeof(*a)

#define INTC_HW_DESC(vectors, groups, mask_regs, \
prio_regs, sense_regs, ack_regs) \
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 4fb355736d35..d0d33e8b594c 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1646,7 +1646,8 @@ unsigned long ftrace_location_range(unsigned long start, unsigned long end)
key.flags = end; /* overload flags, as it is unsigned long */

for (pg = ftrace_pages_start; pg; pg = pg->next) {
- if (end < pg->records[0].ip ||
+ if (pg->index == 0 ||
+ end < pg->records[0].ip ||
start >= (pg->records[pg->index - 1].ip + MCOUNT_INSN_SIZE))
continue;
rec = bsearch(&key, pg->records, pg->index,
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index ee467d744b07..710f5609b7f4 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -529,6 +529,9 @@ static int rtentry_to_fib_config(struct net *net, int cmd, struct rtentry *rt,
cfg->fc_scope = RT_SCOPE_UNIVERSE;
}

+ if (!cfg->fc_table)
+ cfg->fc_table = RT_TABLE_MAIN;
+
if (cmd == SIOCDELRT)
return 0;

diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index e9cf0d185459..f0e4b3381258 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -609,10 +609,10 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, u8 proto)
else if (skb->protocol == htons(ETH_P_IP))
df = inner_iph->frag_off & htons(IP_DF);
headroom += LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len;
- if (headroom > dev->needed_headroom)
- dev->needed_headroom = headroom;
+ if (headroom > READ_ONCE(dev->needed_headroom))
+ WRITE_ONCE(dev->needed_headroom, headroom);

- if (skb_cow_head(skb, dev->needed_headroom)) {
+ if (skb_cow_head(skb, READ_ONCE(dev->needed_headroom))) {
ip_rt_put(rt);
goto tx_dropped;
}
@@ -786,10 +786,10 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,

max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr)
+ rt->dst.header_len + ip_encap_hlen(&tunnel->encap);
- if (max_headroom > dev->needed_headroom)
- dev->needed_headroom = max_headroom;
+ if (max_headroom > READ_ONCE(dev->needed_headroom))
+ WRITE_ONCE(dev->needed_headroom, max_headroom);

- if (skb_cow_head(skb, dev->needed_headroom)) {
+ if (skb_cow_head(skb, READ_ONCE(dev->needed_headroom))) {
ip_rt_put(rt);
dev->stats.tx_dropped++;
kfree_skb(skb);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2a9e55411ac4..8b2d49120ce2 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3300,7 +3300,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
th->window = htons(min(req->rsk_rcv_wnd, 65535U));
tcp_options_write((__be32 *)(th + 1), NULL, &opts);
th->doff = (tcp_header_size >> 2);
- __TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);

#ifdef CONFIG_TCP_MD5SIG
/* Okay, we have all we need - do the md5 hash if needed */
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 639440032c2b..d59bf0da2912 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1200,8 +1200,8 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
*/
max_headroom = LL_RESERVED_SPACE(dst->dev) + sizeof(struct ipv6hdr)
+ dst->header_len + t->hlen;
- if (max_headroom > dev->needed_headroom)
- dev->needed_headroom = max_headroom;
+ if (max_headroom > READ_ONCE(dev->needed_headroom))
+ WRITE_ONCE(dev->needed_headroom, max_headroom);

err = ip6_tnl_encap(skb, t, &proto, fl6);
if (err)
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 8f7ef167c45a..255a716fa395 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -119,7 +119,7 @@ struct iucv_irq_data {
u16 ippathid;
u8 ipflags1;
u8 iptype;
- u32 res2[8];
+ u32 res2[9];
};

struct iucv_irq_list {

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