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SubjectRe: Linux 4.14.217
Date
diff --git a/Makefile b/Makefile
index 7537adc4e237..2dabcc4f0d16 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 216
+SUBLEVEL = 217
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 2917f56f0ea4..ef5e8ea04215 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -99,14 +99,9 @@ libs-y += arch/arc/lib/ $(LIBGCC)

boot := arch/arc/boot

-#default target for make without any arguments.
-KBUILD_IMAGE := $(boot)/bootpImage
-
-all: bootpImage
-bootpImage: vmlinux
-
-boot_targets += uImage uImage.bin uImage.gz
+boot_targets := uImage uImage.bin uImage.gz uImage.lzma

+PHONY += $(boot_targets)
$(boot_targets): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h
index 09ddddf71cc5..a70fef79c405 100644
--- a/arch/arc/include/asm/page.h
+++ b/arch/arc/include/asm/page.h
@@ -13,6 +13,7 @@
#ifndef __ASSEMBLY__

#define clear_page(paddr) memset((paddr), 0, PAGE_SIZE)
+#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)

struct vm_area_struct;
diff --git a/arch/arm/boot/dts/picoxcell-pc3x2.dtsi b/arch/arm/boot/dts/picoxcell-pc3x2.dtsi
index 533919e96eae..f22a6b436317 100644
--- a/arch/arm/boot/dts/picoxcell-pc3x2.dtsi
+++ b/arch/arm/boot/dts/picoxcell-pc3x2.dtsi
@@ -54,18 +54,21 @@
emac: gem@30000 {
compatible = "cadence,gem";
reg = <0x30000 0x10000>;
+ interrupt-parent = <&vic0>;
interrupts = <31>;
};

dmac1: dmac@40000 {
compatible = "snps,dw-dmac";
reg = <0x40000 0x10000>;
+ interrupt-parent = <&vic0>;
interrupts = <25>;
};

dmac2: dmac@50000 {
compatible = "snps,dw-dmac";
reg = <0x50000 0x10000>;
+ interrupt-parent = <&vic0>;
interrupts = <26>;
};

@@ -243,6 +246,7 @@
axi2pico@c0000000 {
compatible = "picochip,axi2pico-pc3x2";
reg = <0xc0000000 0x10000>;
+ interrupt-parent = <&vic0>;
interrupts = <13 14 15 16 17 18 19 20 21>;
};
};
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index fdf99e9dd4c3..3a015e41b762 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -17,6 +17,7 @@
#include <linux/libfdt.h>

#include <asm/addrspace.h>
+#include <asm/unaligned.h>

/*
* These two variables specify the free mem region
@@ -124,7 +125,7 @@ void decompress_kernel(unsigned long boot_heap_start)
dtb_size = fdt_totalsize((void *)&__appended_dtb);

/* last four bytes is always image size in little endian */
- image_size = le32_to_cpup((void *)&__image_end - 4);
+ image_size = get_unaligned_le32((void *)&__image_end - 4);

/* copy dtb to where the booted kernel will expect it */
memcpy((void *)VMLINUX_LOAD_ADDRESS_ULL + image_size,
diff --git a/arch/mips/kernel/relocate.c b/arch/mips/kernel/relocate.c
index cbf4cc0b0b6c..934caf204078 100644
--- a/arch/mips/kernel/relocate.c
+++ b/arch/mips/kernel/relocate.c
@@ -187,8 +187,14 @@ static int __init relocate_exception_table(long offset)
static inline __init unsigned long rotate_xor(unsigned long hash,
const void *area, size_t size)
{
- size_t i;
- unsigned long *ptr = (unsigned long *)area;
+ const typeof(hash) *ptr = PTR_ALIGN(area, sizeof(hash));
+ size_t diff, i;
+
+ diff = (void *)ptr - area;
+ if (unlikely(size < diff + sizeof(hash)))
+ return hash;
+
+ size = ALIGN_DOWN(size - diff, sizeof(hash));

for (i = 0; i < size / sizeof(hash); i++) {
/* Rotate by odd number of bits and XOR. */
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 2cd2ae152ab7..e6b10aad55d5 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -98,7 +98,7 @@ void acpi_scan_table_handler(u32 event, void *table, void *context);
extern struct list_head acpi_bus_id_list;

struct acpi_device_bus_id {
- char bus_id[15];
+ const char *bus_id;
unsigned int instance_no;
struct list_head node;
};
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 8bc1a778b3a4..e79db7ba2f10 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -485,6 +485,7 @@ static void acpi_device_del(struct acpi_device *device)
acpi_device_bus_id->instance_no--;
else {
list_del(&acpi_device_bus_id->node);
+ kfree_const(acpi_device_bus_id->bus_id);
kfree(acpi_device_bus_id);
}
break;
@@ -673,7 +674,14 @@ int acpi_device_add(struct acpi_device *device,
}
if (!found) {
acpi_device_bus_id = new_bus_id;
- strcpy(acpi_device_bus_id->bus_id, acpi_device_hid(device));
+ acpi_device_bus_id->bus_id =
+ kstrdup_const(acpi_device_hid(device), GFP_KERNEL);
+ if (!acpi_device_bus_id->bus_id) {
+ pr_err(PREFIX "Memory allocation error for bus id\n");
+ result = -ENOMEM;
+ goto err_free_new_bus_id;
+ }
+
acpi_device_bus_id->instance_no = 0;
list_add_tail(&acpi_device_bus_id->node, &acpi_bus_id_list);
}
@@ -708,6 +716,11 @@ int acpi_device_add(struct acpi_device *device,
if (device->parent)
list_del(&device->node);
list_del(&device->wakeup_list);
+
+ err_free_new_bus_id:
+ if (!found)
+ kfree(new_bus_id);
+
mutex_unlock(&acpi_device_lock);

err_detach:
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 2602c7375d58..412475005f91 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -188,6 +188,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,

}
usnic_uiom_free_dev_list(dev_list);
+ dev_list = NULL;
}

/* Try to find resources on an unused vf */
@@ -212,6 +213,8 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
qp_grp_check:
if (IS_ERR_OR_NULL(qp_grp)) {
usnic_err("Failed to allocate qp_grp\n");
+ if (usnic_ib_share_vf)
+ usnic_uiom_free_dev_list(dev_list);
return ERR_PTR(qp_grp ? PTR_ERR(qp_grp) : -ENOMEM);
}
return qp_grp;
diff --git a/drivers/isdn/mISDN/Kconfig b/drivers/isdn/mISDN/Kconfig
index c0730d5c734d..fb61181a5c4f 100644
--- a/drivers/isdn/mISDN/Kconfig
+++ b/drivers/isdn/mISDN/Kconfig
@@ -12,6 +12,7 @@ if MISDN != n
config MISDN_DSP
tristate "Digital Audio Processing of transparent data"
depends on MISDN
+ select BITREVERSE
help
Enable support for digital audio processing capability.

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 2170f6c118b8..2b7ffc32e260 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -137,6 +137,11 @@ struct dm_snapshot {
* for them to be committed.
*/
struct bio_list bios_queued_during_merge;
+
+ /*
+ * Flush data after merge.
+ */
+ struct bio flush_bio;
};

/*
@@ -1060,6 +1065,17 @@ static void snapshot_merge_next_chunks(struct dm_snapshot *s)

static void error_bios(struct bio *bio);

+static int flush_data(struct dm_snapshot *s)
+{
+ struct bio *flush_bio = &s->flush_bio;
+
+ bio_reset(flush_bio);
+ bio_set_dev(flush_bio, s->origin->bdev);
+ flush_bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
+
+ return submit_bio_wait(flush_bio);
+}
+
static void merge_callback(int read_err, unsigned long write_err, void *context)
{
struct dm_snapshot *s = context;
@@ -1073,6 +1089,11 @@ static void merge_callback(int read_err, unsigned long write_err, void *context)
goto shut;
}

+ if (flush_data(s) < 0) {
+ DMERR("Flush after merge failed: shutting down merge");
+ goto shut;
+ }
+
if (s->store->type->commit_merge(s->store,
s->num_merging_chunks) < 0) {
DMERR("Write error in exception store: shutting down merge");
@@ -1197,6 +1218,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s->first_merging_chunk = 0;
s->num_merging_chunks = 0;
bio_list_init(&s->bios_queued_during_merge);
+ bio_init(&s->flush_bio, NULL, 0);

/* Allocate hash table for COW data */
if (init_hash_tables(s)) {
@@ -1391,6 +1413,8 @@ static void snapshot_dtr(struct dm_target *ti)

mutex_destroy(&s->lock);

+ bio_uninit(&s->flush_bio);
+
dm_put_device(ti, s->cow);

dm_put_device(ti, s->origin);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6e741f19a732..0e06432c958f 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -472,7 +472,7 @@ static int dm_blk_ioctl(struct block_device *bdev, fmode_t mode,
* subset of the parent bdev; require extra privileges.
*/
if (!capable(CAP_SYS_RAWIO)) {
- DMWARN_LIMIT(
+ DMDEBUG_LIMIT(
"%s: sending ioctl %x to DM device without required privilege.",
current->comm, cmd);
r = -ENOIOCTLCMD;
diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
index c8e5d889bd81..21de56345503 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mii-bitbang.c
@@ -223,3 +223,4 @@ static struct platform_driver fs_enet_bb_mdio_driver = {
};

module_platform_driver(fs_enet_bb_mdio_driver);
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-fec.c b/drivers/net/ethernet/freescale/fs_enet/mii-fec.c
index 1582d82483ec..4e6a9c5d8af5 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mii-fec.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mii-fec.c
@@ -224,3 +224,4 @@ static struct platform_driver fs_enet_fec_mdio_driver = {
};

module_platform_driver(fs_enet_fec_mdio_driver);
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/freescale/ucc_geth.h b/drivers/net/ethernet/freescale/ucc_geth.h
index 5da19b440a6a..bf25e49d4fe3 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.h
+++ b/drivers/net/ethernet/freescale/ucc_geth.h
@@ -580,7 +580,14 @@ struct ucc_geth_tx_global_pram {
u32 vtagtable[0x8]; /* 8 4-byte VLAN tags */
u32 tqptr; /* a base pointer to the Tx Queues Memory
Region */
- u8 res2[0x80 - 0x74];
+ u8 res2[0x78 - 0x74];
+ u64 snums_en;
+ u32 l2l3baseptr; /* top byte consists of a few other bit fields */
+
+ u16 mtu[8];
+ u8 res3[0xa8 - 0x94];
+ u32 wrrtablebase; /* top byte is reserved */
+ u8 res4[0xc0 - 0xac];
} __packed;

/* structure representing Extended Filtering Global Parameters in PRAM */
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index f2e8de607119..8f8a1894378e 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -586,11 +586,6 @@ static const struct net_device_ops netxen_netdev_ops = {
#endif
};

-static inline bool netxen_function_zero(struct pci_dev *pdev)
-{
- return (PCI_FUNC(pdev->devfn) == 0) ? true : false;
-}
-
static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
u32 mode)
{
@@ -686,7 +681,7 @@ static int netxen_setup_intr(struct netxen_adapter *adapter)
netxen_initialize_interrupt_registers(adapter);
netxen_set_msix_bit(pdev, 0);

- if (netxen_function_zero(pdev)) {
+ if (adapter->portnum == 0) {
if (!netxen_setup_msi_interrupts(adapter, num_msix))
netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
else
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index d5ebaf62d12f..a7b30f060536 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3613,6 +3613,7 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
{
struct stmmac_priv *priv = netdev_priv(dev);
int txfifosz = priv->plat->tx_fifo_size;
+ const int mtu = new_mtu;

if (txfifosz == 0)
txfifosz = priv->dma_cap.tx_fifo_size;
@@ -3630,7 +3631,7 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
if ((txfifosz < new_mtu) || (new_mtu > BUF_SIZE_16KiB))
return -EINVAL;

- dev->mtu = new_mtu;
+ dev->mtu = mtu;

netdev_update_features(dev);

diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index f3def96d35d4..8c9eae5f3072 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -800,6 +800,13 @@ static const struct usb_device_id products[] = {
.driver_info = 0,
},

+/* Lenovo Powered USB-C Travel Hub (4X90S92381, based on Realtek RTL8153) */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x721e, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+
/* ThinkPad USB-C Dock Gen 2 (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0xa387, USB_CLASS_COMM,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index e30792380812..bd91d4bad49b 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5337,6 +5337,7 @@ static const struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7205)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x720c)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7214)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x721e)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0xa387)},
{REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041)},
{REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)},
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index a22ae3137a3f..d3f79a4067e2 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -399,7 +399,7 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags)
reply_len = sizeof *phym;
retval = rndis_query(dev, intf, u.buf,
RNDIS_OID_GEN_PHYSICAL_MEDIUM,
- 0, (void **) &phym, &reply_len);
+ reply_len, (void **)&phym, &reply_len);
if (retval != 0 || !phym) {
/* OID is optional so don't fail here. */
phym_unspec = cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED);
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index d08ad93d97a1..9ed5f0010e44 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -119,6 +119,7 @@ struct cdns_spi {
void __iomem *regs;
struct clk *ref_clk;
struct clk *pclk;
+ unsigned int clk_rate;
u32 speed_hz;
const u8 *txbuf;
u8 *rxbuf;
@@ -258,7 +259,7 @@ static void cdns_spi_config_clock_freq(struct spi_device *spi,
u32 ctrl_reg, baud_rate_val;
unsigned long frequency;

- frequency = clk_get_rate(xspi->ref_clk);
+ frequency = xspi->clk_rate;

ctrl_reg = cdns_spi_read(xspi, CDNS_SPI_CR);

@@ -628,8 +629,9 @@ static int cdns_spi_probe(struct platform_device *pdev)
master->auto_runtime_pm = true;
master->mode_bits = SPI_CPOL | SPI_CPHA;

+ xspi->clk_rate = clk_get_rate(xspi->ref_clk);
/* Set to default valid value */
- master->max_speed_hz = clk_get_rate(xspi->ref_clk) / 4;
+ master->max_speed_hz = xspi->clk_rate / 4;
xspi->speed_hz = master->max_speed_hz;

master->bits_per_word_mask = SPI_BPW_MASK(8);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index dfc24be37600..ccd5a944531c 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -100,7 +100,7 @@ static void io_watchdog_func(unsigned long _ohci);


/* Some boards misreport power switching/overcurrent */
-static bool distrust_firmware = true;
+static bool distrust_firmware;
module_param (distrust_firmware, bool, 0);
MODULE_PARM_DESC (distrust_firmware,
"true to distrust firmware power/overcurrent setup");
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 53f6bb5d0b72..47c28983fd01 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2614,6 +2614,12 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path,
return ret;
}

+static bool rescan_should_stop(struct btrfs_fs_info *fs_info)
+{
+ return btrfs_fs_closing(fs_info) ||
+ test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state);
+}
+
static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
{
struct btrfs_fs_info *fs_info = container_of(work, struct btrfs_fs_info,
@@ -2622,13 +2628,14 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
struct btrfs_trans_handle *trans = NULL;
int err = -ENOMEM;
int ret = 0;
+ bool stopped = false;

path = btrfs_alloc_path();
if (!path)
goto out;

err = 0;
- while (!err && !btrfs_fs_closing(fs_info)) {
+ while (!err && !(stopped = rescan_should_stop(fs_info))) {
trans = btrfs_start_transaction(fs_info->fs_root, 0);
if (IS_ERR(trans)) {
err = PTR_ERR(trans);
@@ -2671,7 +2678,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)
}

mutex_lock(&fs_info->qgroup_rescan_lock);
- if (!btrfs_fs_closing(fs_info))
+ if (!stopped)
fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_RESCAN;
if (trans) {
ret = update_qgroup_status_item(trans);
@@ -2690,7 +2697,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work)

btrfs_end_transaction(trans);

- if (btrfs_fs_closing(fs_info)) {
+ if (stopped) {
btrfs_info(fs_info, "qgroup scan paused");
} else if (err >= 0) {
btrfs_info(fs_info, "qgroup scan completed%s",
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index eb64d4b159e0..4edfd26594ed 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1784,6 +1784,14 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
btrfs_scrub_cancel(fs_info);
btrfs_pause_balance(fs_info);

+ /*
+ * Pause the qgroup rescan worker if it is running. We don't want
+ * it to be still running after we are in RO mode, as after that,
+ * by the time we unmount, it might have left a transaction open,
+ * so we would leak the transaction and/or crash.
+ */
+ btrfs_qgroup_wait_for_completion(fs_info, false);
+
ret = btrfs_commit_super(fs_info);
if (ret)
goto restore;
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 9dbb5542167a..6718c7ccd631 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1032,7 +1032,10 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
err = ext4_journal_get_write_access(handle, sbi->s_sbh);
if (err)
goto pwsalt_err_journal;
+ lock_buffer(sbi->s_sbh);
generate_random_uuid(sbi->s_es->s_encrypt_pw_salt);
+ ext4_superblock_csum_set(sb);
+ unlock_buffer(sbi->s_sbh);
err = ext4_handle_dirty_metadata(handle, NULL,
sbi->s_sbh);
pwsalt_err_journal:
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 6936de30fcf0..a4301fa4719f 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -3442,8 +3442,6 @@ static int ext4_setent(handle_t *handle, struct ext4_renament *ent,
return retval;
}
}
- brelse(ent->bh);
- ent->bh = NULL;

return 0;
}
@@ -3656,6 +3654,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
}
}

+ old_file_type = old.de->file_type;
if (IS_DIRSYNC(old.dir) || IS_DIRSYNC(new.dir))
ext4_handle_sync(handle);

@@ -3683,7 +3682,6 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
force_reread = (new.dir->i_ino == old.dir->i_ino &&
ext4_test_inode_flag(new.dir, EXT4_INODE_INLINE_DATA));

- old_file_type = old.de->file_type;
if (whiteout) {
/*
* Do this before adding a new entry, so the old entry is sure
@@ -3755,15 +3753,19 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
retval = 0;

end_rename:
- brelse(old.dir_bh);
- brelse(old.bh);
- brelse(new.bh);
if (whiteout) {
- if (retval)
+ if (retval) {
+ ext4_setent(handle, &old,
+ old.inode->i_ino, old_file_type);
drop_nlink(whiteout);
+ }
unlock_new_inode(whiteout);
iput(whiteout);
+
}
+ brelse(old.dir_bh);
+ brelse(old.bh);
+ brelse(new.bh);
if (handle)
ext4_journal_stop(handle);
return retval;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index f9a4a5524bd5..6f3dc6a5cc7f 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -575,12 +575,14 @@ extern int nfs4_test_session_trunk(struct rpc_clnt *,

static inline struct inode *nfs_igrab_and_active(struct inode *inode)
{
- inode = igrab(inode);
- if (inode != NULL && !nfs_sb_active(inode->i_sb)) {
- iput(inode);
- inode = NULL;
+ struct super_block *sb = inode->i_sb;
+
+ if (sb && nfs_sb_active(sb)) {
+ if (igrab(inode))
+ return inode;
+ nfs_sb_deactive(sb);
}
- return inode;
+ return NULL;
}

static inline void nfs_iput_and_deactive(struct inode *inode)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 9f2ba4874f10..cbfea2c7d516 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6395,9 +6395,9 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
data->arg.new_lock_owner, ret);
} else
data->cancelled = true;
+ trace_nfs4_set_lock(fl, state, &data->res.stateid, cmd, ret);
rpc_put_task(task);
dprintk("%s: done, ret = %d!\n", __func__, ret);
- trace_nfs4_set_lock(fl, state, &data->res.stateid, cmd, ret);
return ret;
}

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 83abf3dd7351..8e2e3d3b7b25 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1328,12 +1328,18 @@ void pnfs_roc_release(struct nfs4_layoutreturn_args *args,
int ret)
{
struct pnfs_layout_hdr *lo = args->layout;
+ struct inode *inode = args->inode;
const nfs4_stateid *arg_stateid = NULL;
const nfs4_stateid *res_stateid = NULL;
struct nfs4_xdr_opaque_data *ld_private = args->ld_private;

switch (ret) {
case -NFS4ERR_NOMATCHING_LAYOUT:
+ spin_lock(&inode->i_lock);
+ if (pnfs_layout_is_valid(lo) &&
+ nfs4_stateid_match_other(&args->stateid, &lo->plh_stateid))
+ pnfs_set_plh_return_info(lo, args->range.iomode, 0);
+ spin_unlock(&inode->i_lock);
break;
case 0:
if (res->lrs_present)
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index ef3e7878456c..6fbc48e074be 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -845,9 +845,14 @@ compose_entry_fh(struct nfsd3_readdirres *cd, struct svc_fh *fhp,
if (isdotent(name, namlen)) {
if (namlen == 2) {
dchild = dget_parent(dparent);
- /* filesystem root - cannot return filehandle for ".." */
+ /*
+ * Don't return filehandle for ".." if we're at
+ * the filesystem or export root:
+ */
if (dchild == dparent)
goto out;
+ if (dparent == exp->ex_path.dentry)
+ goto out;
} else
dchild = dget(dparent);
} else
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 4bb3bca75004..37f0b8515c1c 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -787,6 +787,13 @@ static inline int acpi_device_modalias(struct device *dev,
return -ENODEV;
}

+static inline struct platform_device *
+acpi_create_platform_device(struct acpi_device *adev,
+ struct property_entry *properties)
+{
+ return NULL;
+}
+
static inline bool acpi_dma_supported(struct acpi_device *adev)
{
return false;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3690985e24a8..de3e59329b02 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1335,6 +1335,22 @@ static inline void skb_zcopy_abort(struct sk_buff *skb)
}
}

+static inline void skb_mark_not_on_list(struct sk_buff *skb)
+{
+ skb->next = NULL;
+}
+
+/* Iterate through singly-linked GSO fragments of an skb. */
+#define skb_list_walk_safe(first, skb, next_skb) \
+ for ((skb) = (first), (next_skb) = (skb) ? (skb)->next : NULL; (skb); \
+ (skb) = (next_skb), (next_skb) = (skb) ? (skb)->next : NULL)
+
+static inline void skb_list_del_init(struct sk_buff *skb)
+{
+ __list_del_entry(&skb->list);
+ skb_mark_not_on_list(skb);
+}
+
/**
* skb_queue_empty - check if a queue is empty
* @list: queue head
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3d919635004e..3623eb037eee 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3797,7 +3797,7 @@ static int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
* So we need to block hugepage fault by PG_hwpoison bit check.
*/
if (unlikely(PageHWPoison(page))) {
- ret = VM_FAULT_HWPOISON |
+ ret = VM_FAULT_HWPOISON_LARGE |
VM_FAULT_SET_HINDEX(hstate_index(h));
goto backout_unlocked;
}
diff --git a/mm/slub.c b/mm/slub.c
index db2639832037..6e7e8106e9a6 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1846,7 +1846,7 @@ static void *get_partial_node(struct kmem_cache *s, struct kmem_cache_node *n,

t = acquire_slab(s, n, page, object == NULL, &objects);
if (!t)
- break;
+ continue; /* cmpxchg raced */

available += objects;
if (!object) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c062d340cd40..a1e17c8d80a6 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -459,13 +459,17 @@ EXPORT_SYMBOL(__netdev_alloc_skb);
struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
gfp_t gfp_mask)
{
- struct napi_alloc_cache *nc = this_cpu_ptr(&napi_alloc_cache);
+ struct napi_alloc_cache *nc;
struct sk_buff *skb;
void *data;

len += NET_SKB_PAD + NET_IP_ALIGN;

- if ((len > SKB_WITH_OVERHEAD(PAGE_SIZE)) ||
+ /* If requested length is either too small or too big,
+ * we use kmalloc() for skb->head allocation.
+ */
+ if (len <= SKB_WITH_OVERHEAD(1024) ||
+ len > SKB_WITH_OVERHEAD(PAGE_SIZE) ||
(gfp_mask & (__GFP_DIRECT_RECLAIM | GFP_DMA))) {
skb = __alloc_skb(len, gfp_mask, SKB_ALLOC_RX, NUMA_NO_NODE);
if (!skb)
@@ -473,6 +477,7 @@ struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
goto skb_success;
}

+ nc = this_cpu_ptr(&napi_alloc_cache);
len += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
len = SKB_DATA_ALIGN(len);

diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index fbeacbc2be5d..58a1ab2f37d3 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1727,6 +1727,8 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
fn = &reply_funcs[dcb->cmd];
if (!fn->cb)
return -EOPNOTSUPP;
+ if (fn->type == RTM_SETDCB && !netlink_capable(skb, CAP_NET_ADMIN))
+ return -EPERM;

if (!tb[DCB_ATTR_IFNAME])
return -EINVAL;
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index c8e32f167ebb..9e664b6cef13 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -252,7 +252,6 @@ static int esp_output_udp_encap(struct xfrm_state *x, struct sk_buff *skb, struc
int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
- u8 *vaddr;
int nfrags;
int esph_offset;
struct page *page;
@@ -294,14 +293,10 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
page = pfrag->page;
get_page(page);

- vaddr = kmap_atomic(page);
-
- tail = vaddr + pfrag->offset;
+ tail = page_address(page) + pfrag->offset;

esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);

- kunmap_atomic(vaddr);
-
nfrags = skb_shinfo(skb)->nr_frags;

__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index ef7822fad0fd..dd1f4ed3fc2b 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -219,7 +219,6 @@ static void esp_output_fill_trailer(u8 *tail, int tfclen, int plen, __u8 proto)
int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
- u8 *vaddr;
int nfrags;
struct page *page;
struct sk_buff *trailer;
@@ -252,14 +251,10 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
page = pfrag->page;
get_page(page);

- vaddr = kmap_atomic(page);
-
- tail = vaddr + pfrag->offset;
+ tail = page_address(page) + pfrag->offset;

esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);

- kunmap_atomic(vaddr);
-
nfrags = skb_shinfo(skb)->nr_frags;

__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 5198bc123204..a903d0ce7e70 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -128,8 +128,42 @@ static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff *
return -EINVAL;
}

+static int
+ip6_finish_output_gso_slowpath_drop(struct net *net, struct sock *sk,
+ struct sk_buff *skb, unsigned int mtu)
+{
+ struct sk_buff *segs, *nskb;
+ netdev_features_t features;
+ int ret = 0;
+
+ /* Please see corresponding comment in ip_finish_output_gso
+ * describing the cases where GSO segment length exceeds the
+ * egress MTU.
+ */
+ features = netif_skb_features(skb);
+ segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
+ if (IS_ERR_OR_NULL(segs)) {
+ kfree_skb(skb);
+ return -ENOMEM;
+ }
+
+ consume_skb(skb);
+
+ skb_list_walk_safe(segs, segs, nskb) {
+ int err;
+
+ skb_mark_not_on_list(segs);
+ err = ip6_fragment(net, sk, segs, ip6_finish_output2);
+ if (err && ret == 0)
+ ret = err;
+ }
+
+ return ret;
+}
+
static int ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ unsigned int mtu;
int ret;

ret = BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb);
@@ -146,7 +180,11 @@ static int ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff *s
}
#endif

- if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
+ mtu = ip6_skb_dst_mtu(skb);
+ if (skb_is_gso(skb) && !skb_gso_validate_mtu(skb, mtu))
+ return ip6_finish_output_gso_slowpath_drop(net, sk, skb, mtu);
+
+ if ((skb->len > mtu && !skb_is_gso(skb)) ||
dst_allfrag(skb_dst(skb)) ||
(IP6CB(skb)->frag_max_size && skb->len > IP6CB(skb)->frag_max_size))
return ip6_fragment(net, sk, skb, ip6_finish_output2);
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 85b18319e2d8..a598bb2080ef 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1582,8 +1582,11 @@ static int ipip6_newlink(struct net *src_net, struct net_device *dev,
}

#ifdef CONFIG_IPV6_SIT_6RD
- if (ipip6_netlink_6rd_parms(data, &ip6rd))
+ if (ipip6_netlink_6rd_parms(data, &ip6rd)) {
err = ipip6_tunnel_update_6rd(nt, &ip6rd);
+ if (err < 0)
+ unregister_netdevice_queue(dev, NULL);
+ }
#endif

return err;
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 5a101caa3e12..a519c4a06c18 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -537,6 +537,9 @@ nf_conntrack_hash_sysctl(struct ctl_table *table, int write,
{
int ret;

+ /* module_param hashsize could have changed value */
+ nf_conntrack_htable_size_user = nf_conntrack_htable_size;
+
ret = proc_dointvec(table, write, buffer, lenp, ppos);
if (ret < 0 || !write)
return ret;
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 2fe2add62a8e..9be6b35fd9b2 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -1112,7 +1112,7 @@ static long rxrpc_read(const struct key *key,
default: /* we have a ticket we can't encode */
pr_err("Unsupported key token type (%u)\n",
token->security_index);
- continue;
+ return -ENOPKG;
}

_debug("token[%u]: toksize=%u", ntoks, toksize);
@@ -1227,7 +1227,9 @@ static long rxrpc_read(const struct key *key,
break;

default:
- break;
+ pr_err("Unsupported key token type (%u)\n",
+ token->security_index);
+ return -ENOPKG;
}

ASSERTCMP((unsigned long)xdr - (unsigned long)oldxdr, ==,
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 8391c2785550..7404f02702a1 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -184,7 +184,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf,
scope_id = dev->ifindex;
dev_put(dev);
} else {
- if (kstrtou32(p, 10, &scope_id) == 0) {
+ if (kstrtou32(p, 10, &scope_id) != 0) {
kfree(p);
return 0;
}
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 82e4e0e152d1..0b44427e29ec 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -882,9 +882,7 @@ void tipc_link_reset(struct tipc_link *l)
int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
struct sk_buff_head *xmitq)
{
- struct tipc_msg *hdr = buf_msg(skb_peek(list));
unsigned int maxwin = l->window;
- int imp = msg_importance(hdr);
unsigned int mtu = l->mtu;
u16 ack = l->rcv_nxt - 1;
u16 seqno = l->snd_nxt;
@@ -893,13 +891,20 @@ int tipc_link_xmit(struct tipc_link *l, struct sk_buff_head *list,
struct sk_buff_head *backlogq = &l->backlogq;
struct sk_buff *skb, *_skb, **tskb;
int pkt_cnt = skb_queue_len(list);
+ struct tipc_msg *hdr;
int rc = 0;
+ int imp;
+
+ if (pkt_cnt <= 0)
+ return 0;

+ hdr = buf_msg(skb_peek(list));
if (unlikely(msg_size(hdr) > mtu)) {
skb_queue_purge(list);
return -EMSGSIZE;
}

+ imp = msg_importance(hdr);
/* Allow oversubscription of one data msg per source at congestion */
if (unlikely(l->backlog[imp].len >= l->backlog[imp].limit)) {
if (imp == TIPC_SYSTEM_IMPORTANCE) {
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index 3a8916aa73c4..30f4a9317453 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -277,7 +277,9 @@ static void dump_common_audit_data(struct audit_buffer *ab,
struct inode *inode;

audit_log_format(ab, " name=");
+ spin_lock(&a->u.dentry->d_lock);
audit_log_untrustedstring(ab, a->u.dentry->d_name.name);
+ spin_unlock(&a->u.dentry->d_lock);

inode = d_backing_inode(a->u.dentry);
if (inode) {
@@ -295,8 +297,9 @@ static void dump_common_audit_data(struct audit_buffer *ab,
dentry = d_find_alias(inode);
if (dentry) {
audit_log_format(ab, " name=");
- audit_log_untrustedstring(ab,
- dentry->d_name.name);
+ spin_lock(&dentry->d_lock);
+ audit_log_untrustedstring(ab, dentry->d_name.name);
+ spin_unlock(&dentry->d_lock);
dput(dentry);
}
audit_log_format(ab, " dev=");
diff --git a/sound/firewire/fireface/ff-transaction.c b/sound/firewire/fireface/ff-transaction.c
index dd6c8e839647..dd6dac25e8a3 100644
--- a/sound/firewire/fireface/ff-transaction.c
+++ b/sound/firewire/fireface/ff-transaction.c
@@ -99,7 +99,7 @@ static void transmit_midi_msg(struct snd_ff *ff, unsigned int port)

/* Set interval to next transaction. */
ff->next_ktime[port] = ktime_add_ns(ktime_get(),
- len * 8 * NSEC_PER_SEC / 31250);
+ len * 8 * (NSEC_PER_SEC / 31250));
ff->rx_bytes[port] = len;

/*
diff --git a/sound/firewire/tascam/tascam-transaction.c b/sound/firewire/tascam/tascam-transaction.c
index 8967c52f5032..8653cb4fb982 100644
--- a/sound/firewire/tascam/tascam-transaction.c
+++ b/sound/firewire/tascam/tascam-transaction.c
@@ -210,7 +210,7 @@ static void midi_port_work(struct work_struct *work)

/* Set interval to next transaction. */
port->next_ktime = ktime_add_ns(ktime_get(),
- port->consume_bytes * 8 * NSEC_PER_SEC / 31250);
+ port->consume_bytes * 8 * (NSEC_PER_SEC / 31250));

/* Start this transaction. */
port->idling = false;
diff --git a/sound/soc/intel/skylake/cnl-sst.c b/sound/soc/intel/skylake/cnl-sst.c
index 387de388ce29..6a5080361887 100644
--- a/sound/soc/intel/skylake/cnl-sst.c
+++ b/sound/soc/intel/skylake/cnl-sst.c
@@ -212,6 +212,7 @@ static int cnl_set_dsp_D0(struct sst_dsp *ctx, unsigned int core_id)
"dsp boot timeout, status=%#x error=%#x\n",
sst_dsp_shim_read(ctx, CNL_ADSP_FW_STATUS),
sst_dsp_shim_read(ctx, CNL_ADSP_ERROR_CODE));
+ ret = -ETIMEDOUT;
goto err;
}
} else {
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index c42ee8ef544d..dedd3517d369 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2434,6 +2434,7 @@ void snd_soc_dapm_free_widget(struct snd_soc_dapm_widget *w)
enum snd_soc_dapm_direction dir;

list_del(&w->list);
+ list_del(&w->dirty);
/*
* remove source and sink paths associated to this widget.
* While removing the path, remove reference to it from both
\
 
 \ /
  Last update: 2021-01-23 16:23    [W:0.058 / U:4.292 seconds]
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