Re: Linux 4.14.311

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

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 {