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Merge tag 'v4.9.216' of git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable into odroidg12-4.9.y

Browse Source 
This is the 4.9.216 stable release
This commit is contained in:
Mauro (mdrjr) Ribeiro
2020-04-07 21:33:09 -03:00
parent 2e7d8f2c65 19c646f01e
commit 628dd0dff5
87 changed files with 693 additions and 385 deletions
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2
Makefile
View File

@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 215
SUBLEVEL = 216
EXTRAVERSION =
NAME = Roaring Lionus

4
arch/arm/boot/dts/ls1021a.dtsi
View File

@@ -505,7 +505,7 @@
};
mdio0: mdio@2d24000 {
compatible = "fsl,etsec2-mdio";
compatible = "gianfar";
device_type = "mdio";
#address-cells = <1>;
#size-cells = <0>;
@@ -513,7 +513,7 @@
};
mdio1: mdio@2d64000 {
compatible = "fsl,etsec2-mdio";
compatible = "gianfar";
device_type = "mdio";
#address-cells = <1>;
#size-cells = <0>;

2
arch/arm/mach-imx/Makefile
View File

@@ -86,6 +86,8 @@ AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SOC_IMX6) += suspend-imx6.o
obj-$(CONFIG_SOC_IMX53) += suspend-imx53.o
endif
AFLAGS_resume-imx6.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SOC_IMX6) += resume-imx6.o
obj-$(CONFIG_SOC_IMX6) += pm-imx6.o
obj-$(CONFIG_SOC_IMX1) += mach-imx1.o

4
arch/arm/mach-imx/common.h
View File

@@ -112,17 +112,17 @@ void imx_cpu_die(unsigned int cpu);
int imx_cpu_kill(unsigned int cpu);
#ifdef CONFIG_SUSPEND
void v7_cpu_resume(void);
void imx53_suspend(void __iomem *ocram_vbase);
extern const u32 imx53_suspend_sz;
void imx6_suspend(void __iomem *ocram_vbase);
#else
static inline void v7_cpu_resume(void) {}
static inline void imx53_suspend(void __iomem *ocram_vbase) {}
static const u32 imx53_suspend_sz;
static inline void imx6_suspend(void __iomem *ocram_vbase) {}
#endif
void v7_cpu_resume(void);
void imx6_pm_ccm_init(const char *ccm_compat);
void imx6q_pm_init(void);
void imx6dl_pm_init(void);

24
arch/arm/mach-imx/resume-imx6.S Normal file
View File

@@ -0,0 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2014 Freescale Semiconductor, Inc.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/hardware/cache-l2x0.h>
#include "hardware.h"
/*
* The following code must assume it is running from physical address
* where absolute virtual addresses to the data section have to be
* turned into relative ones.
*/
ENTRY(v7_cpu_resume)
bl v7_invalidate_l1
#ifdef CONFIG_CACHE_L2X0
bl l2c310_early_resume
#endif
b cpu_resume
ENDPROC(v7_cpu_resume)

14
arch/arm/mach-imx/suspend-imx6.S
View File

@@ -333,17 +333,3 @@ resume:
ret lr
ENDPROC(imx6_suspend)
/*
* The following code must assume it is running from physical address
* where absolute virtual addresses to the data section have to be
* turned into relative ones.
*/
ENTRY(v7_cpu_resume)
bl v7_invalidate_l1
#ifdef CONFIG_CACHE_L2X0
bl l2c310_early_resume
#endif
b cpu_resume
ENDPROC(v7_cpu_resume)

2
arch/mips/kernel/vpe.c
View File

@@ -134,7 +134,7 @@ void release_vpe(struct vpe *v)
{
list_del(&v->list);
if (v->load_addr)
release_progmem(v);
release_progmem(v->load_addr);
kfree(v);
}

4
arch/powerpc/kernel/cputable.c
View File

@@ -2199,11 +2199,13 @@ static struct cpu_spec * __init setup_cpu_spec(unsigned long offset,
* oprofile_cpu_type already has a value, then we are
* possibly overriding a real PVR with a logical one,
* and, in that case, keep the current value for
* oprofile_cpu_type.
* oprofile_cpu_type. Futhermore, let's ensure that the
* fix for the PMAO bug is enabled on compatibility mode.
*/
if (old.oprofile_cpu_type != NULL) {
t->oprofile_cpu_type = old.oprofile_cpu_type;
t->oprofile_type = old.oprofile_type;
t->cpu_features |= old.cpu_features & CPU_FTR_PMAO_BUG;
}
}

2
arch/x86/kernel/cpu/common.c
View File

@@ -388,7 +388,7 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c)
* cpuid bit to be set. We need to ensure that we
* update that bit in this CPU's "cpu_info".
*/
get_cpu_cap(c);
set_cpu_cap(c, X86_FEATURE_OSPKE);
}
#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS

2
crypto/algif_skcipher.c
View File

@@ -538,7 +538,7 @@ static int skcipher_recvmsg_async(struct socket *sock, struct msghdr *msg,
lock_sock(sk);
tx_nents = skcipher_all_sg_nents(ctx);
sreq->tsg = kcalloc(tx_nents, sizeof(*sg), GFP_KERNEL);
if (unlikely(!sreq->tsg))
if (unlikely(ZERO_OR_NULL_PTR(sreq->tsg)))
goto unlock;
sg_init_table(sreq->tsg, tx_nents);
memcpy(iv, ctx->iv, ivsize);

3
drivers/acpi/acpi_watchdog.c
View File

@@ -129,12 +129,11 @@ void __init acpi_watchdog_init(void)
gas = &entries[i].register_region;
res.start = gas->address;
res.end = res.start + ACPI_ACCESS_BYTE_WIDTH(gas->access_width) - 1;
if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
res.flags = IORESOURCE_MEM;
res.end = res.start + ALIGN(gas->access_width, 4) - 1;
} else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
res.flags = IORESOURCE_IO;
res.end = res.start + gas->access_width - 1;
} else {
pr_warn("Unsupported address space: %u\n",
gas->space_id);

10
drivers/char/ipmi/ipmi_ssif.c
View File

@@ -746,10 +746,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
flags = ipmi_ssif_lock_cond(ssif_info, &oflags);
msg = ssif_info->curr_msg;
if (msg) {
if (data) {
if (len > IPMI_MAX_MSG_LENGTH)
len = IPMI_MAX_MSG_LENGTH;
memcpy(msg->rsp, data, len);
} else {
len = 0;
}
msg->rsp_size = len;
if (msg->rsp_size > IPMI_MAX_MSG_LENGTH)
msg->rsp_size = IPMI_MAX_MSG_LENGTH;
memcpy(msg->rsp, data, msg->rsp_size);
ssif_info->curr_msg = NULL;
}

4
drivers/dma/coh901318.c
View File

@@ -1944,8 +1944,6 @@ static void dma_tc_handle(struct coh901318_chan *cohc)
return;
}
spin_lock(&cohc->lock);
/*
* When we reach this point, at least one queue item
* should have been moved over from cohc->queue to
@@ -1966,8 +1964,6 @@ static void dma_tc_handle(struct coh901318_chan *cohc)
if (coh901318_queue_start(cohc) == NULL)
cohc->busy = 0;
spin_unlock(&cohc->lock);
/*
* This tasklet will remove items from cohc->active
* and thus terminates them.

6
drivers/dma/tegra20-apb-dma.c
View File

@@ -288,7 +288,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get(
/* Do not allocate if desc are waiting for ack */
list_for_each_entry(dma_desc, &tdc->free_dma_desc, node) {
if (async_tx_test_ack(&dma_desc->txd)) {
if (async_tx_test_ack(&dma_desc->txd) && !dma_desc->cb_count) {
list_del(&dma_desc->node);
spin_unlock_irqrestore(&tdc->lock, flags);
dma_desc->txd.flags = 0;
@@ -755,10 +755,6 @@ static int tegra_dma_terminate_all(struct dma_chan *dc)
bool was_busy;
spin_lock_irqsave(&tdc->lock, flags);
if (list_empty(&tdc->pending_sg_req)) {
spin_unlock_irqrestore(&tdc->lock, flags);
return 0;
}
if (!tdc->busy)
goto skip_dma_stop;

7
drivers/gpu/drm/msm/dsi/dsi_manager.c
View File

@@ -306,7 +306,7 @@ static int dsi_mgr_connector_get_modes(struct drm_connector *connector)
return num;
}
static int dsi_mgr_connector_mode_valid(struct drm_connector *connector,
static enum drm_mode_status dsi_mgr_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
int id = dsi_mgr_connector_get_id(connector);
@@ -438,6 +438,7 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
struct msm_dsi *msm_dsi1 = dsi_mgr_get_dsi(DSI_1);
struct mipi_dsi_host *host = msm_dsi->host;
struct drm_panel *panel = msm_dsi->panel;
struct msm_dsi_pll *src_pll;
bool is_dual_dsi = IS_DUAL_DSI();
int ret;
@@ -471,6 +472,10 @@ static void dsi_mgr_bridge_post_disable(struct drm_bridge *bridge)
id, ret);
}
/* Save PLL status if it is a clock source */
src_pll = msm_dsi_phy_get_pll(msm_dsi->phy);
msm_dsi_pll_save_state(src_pll);
ret = msm_dsi_host_power_off(host);
if (ret)
pr_err("%s: host %d power off failed,%d\n", __func__, id, ret);

8
drivers/gpu/drm/msm/msm_drv.c
View File

@@ -396,6 +396,14 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
if (ret)
goto fail;
if (!dev->dma_parms) {
dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
GFP_KERNEL);
if (!dev->dma_parms)
return -ENOMEM;
}
dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
msm_gem_shrinker_init(ddev);
switch (get_mdp_ver(pdev)) {

4
drivers/hid/hid-core.c
View File

@@ -1547,7 +1547,9 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
rsize = ((report->size - 1) >> 3) + 1;
if (rsize > HID_MAX_BUFFER_SIZE)
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 (csize < rsize) {

2
drivers/hid/usbhid/hiddev.c
View File

@@ -962,9 +962,9 @@ void hiddev_disconnect(struct hid_device *hid)
hiddev->exist = 0;
if (hiddev->open) {
mutex_unlock(&hiddev->existancelock);
usbhid_close(hiddev->hid);
wake_up_interruptible(&hiddev->wait);
mutex_unlock(&hiddev->existancelock);
} else {
mutex_unlock(&hiddev->existancelock);
kfree(hiddev);

2
drivers/hwmon/adt7462.c
View File

@@ -426,7 +426,7 @@ static int ADT7462_REG_VOLT(struct adt7462_data *data, int which)
return 0x95;
break;
}
return -ENODEV;
return 0;
}
/* Provide labels for sysfs */

36
drivers/i2c/busses/i2c-jz4780.c
View File

@@ -82,25 +82,6 @@
#define JZ4780_I2C_STA_TFNF BIT(1)
#define JZ4780_I2C_STA_ACT BIT(0)
static const char * const jz4780_i2c_abrt_src[] = {
"ABRT_7B_ADDR_NOACK",
"ABRT_10ADDR1_NOACK",
"ABRT_10ADDR2_NOACK",
"ABRT_XDATA_NOACK",
"ABRT_GCALL_NOACK",
"ABRT_GCALL_READ",
"ABRT_HS_ACKD",
"SBYTE_ACKDET",
"ABRT_HS_NORSTRT",
"SBYTE_NORSTRT",
"ABRT_10B_RD_NORSTRT",
"ABRT_MASTER_DIS",
"ARB_LOST",
"SLVFLUSH_TXFIFO",
"SLV_ARBLOST",
"SLVRD_INTX",
};
#define JZ4780_I2C_INTST_IGC BIT(11)
#define JZ4780_I2C_INTST_ISTT BIT(10)
#define JZ4780_I2C_INTST_ISTP BIT(9)
@@ -538,21 +519,8 @@ done:
static void jz4780_i2c_txabrt(struct jz4780_i2c *i2c, int src)
{
int i;
dev_err(&i2c->adap.dev, "txabrt: 0x%08x\n", src);
dev_err(&i2c->adap.dev, "device addr=%x\n",
jz4780_i2c_readw(i2c, JZ4780_I2C_TAR));
dev_err(&i2c->adap.dev, "send cmd count:%d %d\n",
i2c->cmd, i2c->cmd_buf[i2c->cmd]);
dev_err(&i2c->adap.dev, "receive data count:%d %d\n",
i2c->cmd, i2c->data_buf[i2c->cmd]);
for (i = 0; i < 16; i++) {
if (src & BIT(i))
dev_dbg(&i2c->adap.dev, "I2C TXABRT[%d]=%s\n",
i, jz4780_i2c_abrt_src[i]);
}
dev_dbg(&i2c->adap.dev, "txabrt: 0x%08x, cmd: %d, send: %d, recv: %d\n",
src, i2c->cmd, i2c->cmd_buf[i2c->cmd], i2c->data_buf[i2c->cmd]);
}
static inline int jz4780_i2c_xfer_read(struct jz4780_i2c *i2c,

1
drivers/infiniband/core/cm.c
View File

@@ -1073,6 +1073,7 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device,
/* Sharing an ib_cm_id with different handlers is not
* supported */
spin_unlock_irqrestore(&cm.lock, flags);
ib_destroy_cm_id(cm_id);
return ERR_PTR(-EINVAL);
}
atomic_inc(&cm_id_priv->refcount);

4
drivers/infiniband/core/iwcm.c
View File

@@ -137,8 +137,10 @@ static void dealloc_work_entries(struct iwcm_id_private *cm_id_priv)
{
struct list_head *e, *tmp;
list_for_each_safe(e, tmp, &cm_id_priv->work_free_list)
list_for_each_safe(e, tmp, &cm_id_priv->work_free_list) {
list_del(e);
kfree(list_entry(e, struct iwcm_work, free_list));
}
}
static int alloc_work_entries(struct iwcm_id_private *cm_id_priv, int count)

4
drivers/md/dm-cache-target.c
View File

@@ -2192,8 +2192,8 @@ static void wait_for_migrations(struct cache *cache)
static void stop_worker(struct cache *cache)
{
cancel_delayed_work(&cache->waker);
flush_workqueue(cache->wq);
cancel_delayed_work_sync(&cache->waker);
drain_workqueue(cache->wq);
}
static void requeue_deferred_cells(struct cache *cache)

48
drivers/net/ethernet/amazon/ena/ena_com.c
View File

@@ -199,6 +199,11 @@ static inline void comp_ctxt_release(struct ena_com_admin_queue *queue,
static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue,
u16 command_id, bool capture)
{
if (unlikely(!queue->comp_ctx)) {
pr_err("Completion context is NULL\n");
return NULL;
}
if (unlikely(command_id >= queue->q_depth)) {
pr_err("command id is larger than the queue size. cmd_id: %u queue size %d\n",
command_id, queue->q_depth);
@@ -839,6 +844,24 @@ static int ena_com_get_feature(struct ena_com_dev *ena_dev,
0);
}
static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev)
{
struct ena_admin_feature_rss_flow_hash_control *hash_key =
(ena_dev->rss).hash_key;
netdev_rss_key_fill(&hash_key->key, sizeof(hash_key->key));
/* The key is stored in the device in u32 array
* as well as the API requires the key to be passed in this
* format. Thus the size of our array should be divided by 4
*/
hash_key->keys_num = sizeof(hash_key->key) / sizeof(u32);
}
int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev)
{
return ena_dev->rss.hash_func;
}
static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
{
struct ena_rss *rss = &ena_dev->rss;
@@ -2034,15 +2057,16 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
switch (func) {
case ENA_ADMIN_TOEPLITZ:
if (key_len > sizeof(hash_key->key)) {
pr_err("key len (%hu) is bigger than the max supported (%zu)\n",
key_len, sizeof(hash_key->key));
return -EINVAL;
if (key) {
if (key_len != sizeof(hash_key->key)) {
pr_err("key len (%hu) doesn't equal the supported size (%zu)\n",
key_len, sizeof(hash_key->key));
return -EINVAL;
}
memcpy(hash_key->key, key, key_len);
rss->hash_init_val = init_val;
hash_key->keys_num = key_len >> 2;
}
memcpy(hash_key->key, key, key_len);
rss->hash_init_val = init_val;
hash_key->keys_num = key_len >> 2;
break;
case ENA_ADMIN_CRC32:
rss->hash_init_val = init_val;
@@ -2079,7 +2103,11 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
if (unlikely(rc))
return rc;
rss->hash_func = get_resp.u.flow_hash_func.selected_func;
/* ffs() returns 1 in case the lsb is set */
rss->hash_func = ffs(get_resp.u.flow_hash_func.selected_func);
if (rss->hash_func)
rss->hash_func--;
if (func)
*func = rss->hash_func;
@@ -2366,6 +2394,8 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size)
if (unlikely(rc))
goto err_hash_key;
ena_com_hash_key_fill_default_key(ena_dev);
rc = ena_com_hash_ctrl_init(ena_dev);
if (unlikely(rc))
goto err_hash_ctrl;

9
drivers/net/ethernet/amazon/ena/ena_com.h
View File

@@ -41,6 +41,7 @@
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/netdevice.h>
#include "ena_common_defs.h"
#include "ena_admin_defs.h"
@@ -622,6 +623,14 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 log_size);
*/
void ena_com_rss_destroy(struct ena_com_dev *ena_dev);
/* ena_com_get_current_hash_function - Get RSS hash function
* @ena_dev: ENA communication layer struct
*
* Return the current hash function.
* @return: 0 or one of the ena_admin_hash_functions values.
*/
int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev);
/* ena_com_fill_hash_function - Fill RSS hash function
* @ena_dev: ENA communication layer struct
* @func: The hash function (Toeplitz or crc)

42
drivers/net/ethernet/amazon/ena/ena_ethtool.c
View File

@@ -651,6 +651,28 @@ static u32 ena_get_rxfh_key_size(struct net_device *netdev)
return ENA_HASH_KEY_SIZE;
}
static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir)
{
struct ena_com_dev *ena_dev = adapter->ena_dev;
int i, rc;
if (!indir)
return 0;
rc = ena_com_indirect_table_get(ena_dev, indir);
if (rc)
return rc;
/* Our internal representation of the indices is: even indices
* for Tx and uneven indices for Rx. We need to convert the Rx
* indices to be consecutive
*/
for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++)
indir[i] = ENA_IO_RXQ_IDX_TO_COMBINED_IDX(indir[i]);
return rc;
}
static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
u8 *hfunc)
{
@@ -659,11 +681,25 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
u8 func;
int rc;
rc = ena_com_indirect_table_get(adapter->ena_dev, indir);
rc = ena_indirection_table_get(adapter, indir);
if (rc)
return rc;
/* We call this function in order to check if the device
* supports getting/setting the hash function.
*/
rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func, key);
if (rc) {
if (rc == -EOPNOTSUPP) {
key = NULL;
hfunc = NULL;
rc = 0;
}
return rc;
}
if (rc)
return rc;
@@ -715,6 +751,9 @@ static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
}
switch (hfunc) {
case ETH_RSS_HASH_NO_CHANGE:
func = ena_com_get_current_hash_function(ena_dev);
break;
case ETH_RSS_HASH_TOP:
func = ENA_ADMIN_TOEPLITZ;
break;
@@ -819,6 +858,7 @@ static const struct ethtool_ops ena_ethtool_ops = {
.get_channels = ena_get_channels,
.get_tunable = ena_get_tunable,
.set_tunable = ena_set_tunable,
.get_ts_info = ethtool_op_get_ts_info,
};
void ena_set_ethtool_ops(struct net_device *netdev)

2
drivers/net/ethernet/amazon/ena/ena_netdev.h
View File

@@ -110,6 +110,8 @@
#define ENA_IO_TXQ_IDX(q) (2 * (q))
#define ENA_IO_RXQ_IDX(q) (2 * (q) + 1)
#define ENA_IO_TXQ_IDX_TO_COMBINED_IDX(q) ((q) / 2)
#define ENA_IO_RXQ_IDX_TO_COMBINED_IDX(q) (((q) - 1) / 2)
#define ENA_MGMNT_IRQ_IDX 0
#define ENA_IO_IRQ_FIRST_IDX 1

2
drivers/net/ethernet/apm/xgene/xgene_enet_main.c
View File

@@ -1711,7 +1711,7 @@ static int xgene_enet_probe(struct platform_device *pdev)
int ret;
ndev = alloc_etherdev_mqs(sizeof(struct xgene_enet_pdata),
XGENE_NUM_RX_RING, XGENE_NUM_TX_RING);
XGENE_NUM_TX_RING, XGENE_NUM_RX_RING);
if (!ndev)
return -ENOMEM;

53
drivers/net/ethernet/micrel/ks8851_mll.c
View File

@@ -474,24 +474,6 @@ static int msg_enable;
* chip is busy transferring packet data (RX/TX FIFO accesses).
*/
/**
* ks_rdreg8 - read 8 bit register from device
* @ks : The chip information
* @offset: The register address
*
* Read a 8bit register from the chip, returning the result
*/
static u8 ks_rdreg8(struct ks_net *ks, int offset)
{
u16 data;
u8 shift_bit = offset & 0x03;
u8 shift_data = (offset & 1) << 3;
ks->cmd_reg_cache = (u16) offset | (u16)(BE0 << shift_bit);
iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
data = ioread16(ks->hw_addr);
return (u8)(data >> shift_data);
}
/**
* ks_rdreg16 - read 16 bit register from device
* @ks : The chip information
@@ -502,27 +484,11 @@ static u8 ks_rdreg8(struct ks_net *ks, int offset)
static u16 ks_rdreg16(struct ks_net *ks, int offset)
{
ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
return ioread16(ks->hw_addr);
}
/**
* ks_wrreg8 - write 8bit register value to chip
* @ks: The chip information
* @offset: The register address
* @value: The value to write
*
*/
static void ks_wrreg8(struct ks_net *ks, int offset, u8 value)
{
u8 shift_bit = (offset & 0x03);
u16 value_write = (u16)(value << ((offset & 1) << 3));
ks->cmd_reg_cache = (u16)offset | (BE0 << shift_bit);
iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
iowrite16(value_write, ks->hw_addr);
}
/**
* ks_wrreg16 - write 16bit register value to chip
* @ks: The chip information
@@ -533,7 +499,7 @@ static void ks_wrreg8(struct ks_net *ks, int offset, u8 value)
static void ks_wrreg16(struct ks_net *ks, int offset, u16 value)
{
ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
iowrite16(value, ks->hw_addr);
}
@@ -549,7 +515,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len)
{
len >>= 1;
while (len--)
*wptr++ = (u16)ioread16(ks->hw_addr);
*wptr++ = be16_to_cpu(ioread16(ks->hw_addr));
}
/**
@@ -563,7 +529,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
{
len >>= 1;
while (len--)
iowrite16(*wptr++, ks->hw_addr);
iowrite16(cpu_to_be16(*wptr++), ks->hw_addr);
}
static void ks_disable_int(struct ks_net *ks)
@@ -642,8 +608,7 @@ static void ks_read_config(struct ks_net *ks)
u16 reg_data = 0;
/* Regardless of bus width, 8 bit read should always work.*/
reg_data = ks_rdreg8(ks, KS_CCR) & 0x00FF;
reg_data |= ks_rdreg8(ks, KS_CCR+1) << 8;
reg_data = ks_rdreg16(ks, KS_CCR);
/* addr/data bus are multiplexed */
ks->sharedbus = (reg_data & CCR_SHARED) == CCR_SHARED;
@@ -747,7 +712,7 @@ static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len)
/* 1. set sudo DMA mode */
ks_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI);
ks_wrreg8(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_SDA) & 0xff);
ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
/* 2. read prepend data */
/**
@@ -764,7 +729,7 @@ static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len)
ks_inblk(ks, buf, ALIGN(len, 4));
/* 4. reset sudo DMA Mode */
ks_wrreg8(ks, KS_RXQCR, ks->rc_rxqcr);
ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
}
/**
@@ -997,13 +962,13 @@ static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len)
ks->txh.txw[1] = cpu_to_le16(len);
/* 1. set sudo-DMA mode */
ks_wrreg8(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_SDA) & 0xff);
ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
/* 2. write status/lenth info */
ks_outblk(ks, ks->txh.txw, 4);
/* 3. write pkt data */
ks_outblk(ks, (u16 *)pdata, ALIGN(len, 4));
/* 4. reset sudo-DMA mode */
ks_wrreg8(ks, KS_RXQCR, ks->rc_rxqcr);
ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
/* 5. Enqueue Tx(move the pkt from TX buffer into TXQ) */
ks_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
/* 6. wait until TXQCR_METFE is auto-cleared */

20
drivers/net/phy/mdio-bcm-iproc.c
View File

@@ -188,6 +188,23 @@ static int iproc_mdio_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM_SLEEP
int iproc_mdio_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct iproc_mdio_priv *priv = platform_get_drvdata(pdev);
/* restore the mii clock configuration */
iproc_mdio_config_clk(priv->base);
return 0;
}
static const struct dev_pm_ops iproc_mdio_pm_ops = {
.resume = iproc_mdio_resume
};
#endif /* CONFIG_PM_SLEEP */
static const struct of_device_id iproc_mdio_of_match[] = {
{ .compatible = "brcm,iproc-mdio", },
{ /* sentinel */ },
@@ -198,6 +215,9 @@ static struct platform_driver iproc_mdio_driver = {
.driver = {
.name = "iproc-mdio",
.of_match_table = iproc_mdio_of_match,
#ifdef CONFIG_PM_SLEEP
.pm = &iproc_mdio_pm_ops,
#endif
},
.probe = iproc_mdio_probe,
.remove = iproc_mdio_remove,

1
drivers/net/slip/slip.c
View File

@@ -868,7 +868,6 @@ err_free_chan:
tty->disc_data = NULL;
clear_bit(SLF_INUSE, &sl->flags);
sl_free_netdev(sl->dev);
free_netdev(sl->dev);
err_exit:
rtnl_unlock();

19
drivers/net/tun.c
View File

@@ -1106,6 +1106,13 @@ static void tun_net_init(struct net_device *dev)
}
}
static bool tun_sock_writeable(struct tun_struct *tun, struct tun_file *tfile)
{
struct sock *sk = tfile->socket.sk;
return (tun->dev->flags & IFF_UP) && sock_writeable(sk);
}
/* Character device part */
/* Poll */
@@ -1128,10 +1135,14 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait)
if (!skb_array_empty(&tfile->tx_array))
mask |= POLLIN | POLLRDNORM;
if (tun->dev->flags & IFF_UP &&
(sock_writeable(sk) ||
(!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
sock_writeable(sk))))
/* Make sure SOCKWQ_ASYNC_NOSPACE is set if not writable to
* guarantee EPOLLOUT to be raised by either here or
* tun_sock_write_space(). Then process could get notification
* after it writes to a down device and meets -EIO.
*/
if (tun_sock_writeable(tun, tfile) ||
(!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
tun_sock_writeable(tun, tfile)))
mask |= POLLOUT | POLLWRNORM;
if (tun->dev->reg_state != NETREG_REGISTERED)

1
drivers/net/usb/qmi_wwan.c
View File

@@ -951,6 +951,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */
{QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */
{QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/
{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
{QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */

6
drivers/net/wireless/intel/iwlwifi/pcie/rx.c
View File

@@ -898,9 +898,13 @@ int iwl_pcie_rx_init(struct iwl_trans *trans)
return err;
}
def_rxq = trans_pcie->rxq;
if (!rba->alloc_wq)
if (!rba->alloc_wq) {
rba->alloc_wq = alloc_workqueue("rb_allocator",
WQ_HIGHPRI | WQ_UNBOUND, 1);
if (!rba->alloc_wq)
return -ENOMEM;
}
INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work);
cancel_work_sync(&rba->rx_alloc);

1
drivers/nfc/pn544/i2c.c
View File

@@ -240,6 +240,7 @@ static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy)
out:
gpio_set_value_cansleep(phy->gpio_en, !phy->en_polarity);
usleep_range(10000, 15000);
}
static void pn544_hci_i2c_enable_mode(struct pn544_i2c_phy *phy, int run_mode)

5
drivers/s390/cio/blacklist.c
View File

@@ -302,8 +302,10 @@ static void *
cio_ignore_proc_seq_next(struct seq_file *s, void *it, loff_t *offset)
{
struct ccwdev_iter *iter;
loff_t p = *offset;
if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
(*offset)++;
if (p >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
return NULL;
iter = it;
if (iter->devno == __MAX_SUBCHANNEL) {
@@ -313,7 +315,6 @@ cio_ignore_proc_seq_next(struct seq_file *s, void *it, loff_t *offset)
return NULL;
} else
iter->devno++;
(*offset)++;
return iter;
}

5
drivers/tty/serial/8250/8250_core.c
View File

@@ -181,7 +181,7 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
struct hlist_head *h;
struct hlist_node *n;
struct irq_info *i;
int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
int ret;
mutex_lock(&hash_mutex);
@@ -216,9 +216,8 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
INIT_LIST_HEAD(&up->list);
i->head = &up->list;
spin_unlock_irq(&i->lock);
irq_flags |= up->port.irqflags;
ret = request_irq(up->port.irq, serial8250_interrupt,
irq_flags, "serial", i);
up->port.irqflags, "serial", i);
if (ret < 0)
serial_do_unlink(i, up);
}

4
drivers/tty/serial/8250/8250_port.c
View File

@@ -2199,6 +2199,10 @@ int serial8250_do_startup(struct uart_port *port)
}
}
/* Check if we need to have shared IRQs */
if (port->irq && (up->port.flags & UPF_SHARE_IRQ))
up->port.irqflags |= IRQF_SHARED;
if (port->irq) {
unsigned char iir1;
/*

8
drivers/tty/serial/ar933x_uart.c
View File

@@ -289,6 +289,10 @@ static void ar933x_uart_set_termios(struct uart_port *port,
ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
AR933X_UART_CS_HOST_INT_EN);
/* enable RX and TX ready overide */
ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
/* reenable the UART */
ar933x_uart_rmw(up, AR933X_UART_CS_REG,
AR933X_UART_CS_IF_MODE_M << AR933X_UART_CS_IF_MODE_S,
@@ -421,6 +425,10 @@ static int ar933x_uart_startup(struct uart_port *port)
ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
AR933X_UART_CS_HOST_INT_EN);
/* enable RX and TX ready overide */
ar933x_uart_rmw_set(up, AR933X_UART_CS_REG,
AR933X_UART_CS_TX_READY_ORIDE | AR933X_UART_CS_RX_READY_ORIDE);
/* Enable RX interrupts */
up->ier = AR933X_UART_INT_RX_VALID;
ar933x_uart_write(up, AR933X_UART_INT_EN_REG, up->ier);

2
drivers/tty/serial/mvebu-uart.c
View File

@@ -581,7 +581,7 @@ static int mvebu_uart_probe(struct platform_device *pdev)
port->membase = devm_ioremap_resource(&pdev->dev, reg);
if (IS_ERR(port->membase))
return -PTR_ERR(port->membase);
return PTR_ERR(port->membase);
data = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_uart_data),
GFP_KERNEL);

8
drivers/tty/sysrq.c
View File

@@ -565,7 +565,6 @@ void __handle_sysrq(int key, bool check_mask)
*/
orig_log_level = console_loglevel;
console_loglevel = CONSOLE_LOGLEVEL_DEFAULT;
pr_info("SysRq : ");
op_p = __sysrq_get_key_op(key);
if (op_p) {
@@ -574,14 +573,15 @@ void __handle_sysrq(int key, bool check_mask)
* should not) and is the invoked operation enabled?
*/
if (!check_mask || sysrq_on_mask(op_p->enable_mask)) {
pr_cont("%s\n", op_p->action_msg);
pr_info("%s\n", op_p->action_msg);
console_loglevel = orig_log_level;
op_p->handler(key);
} else {
pr_cont("This sysrq operation is disabled.\n");
pr_info("This sysrq operation is disabled.\n");
console_loglevel = orig_log_level;
}
} else {
pr_cont("HELP : ");
pr_info("HELP : ");
/* Only print the help msg once per handler */
for (i = 0; i < ARRAY_SIZE(sysrq_key_table); i++) {
if (sysrq_key_table[i]) {

26
drivers/tty/vt/selection.c
View File

@@ -13,6 +13,7 @@
#include <linux/tty.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/types.h>
@@ -40,6 +41,7 @@ static volatile int sel_start = -1; /* cleared by clear_selection */
static int sel_end;
static int sel_buffer_lth;
static char *sel_buffer;
static DEFINE_MUTEX(sel_lock);
/* clear_selection, highlight and highlight_pointer can be called
from interrupt (via scrollback/front) */
@@ -156,14 +158,14 @@ static int store_utf8(u16 c, char *p)
* The entire selection process is managed under the console_lock. It's
* a lot under the lock but its hardly a performance path
*/
int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty)
static int __set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty)
{
struct vc_data *vc = vc_cons[fg_console].d;
int sel_mode, new_sel_start, new_sel_end, spc;
char *bp, *obp;
int i, ps, pe, multiplier;
u16 c;
int mode;
int mode, ret = 0;
poke_blanked_console();
@@ -324,7 +326,21 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t
}
}
sel_buffer_lth = bp - sel_buffer;
return 0;
return ret;
}
int set_selection(const struct tiocl_selection __user *v, struct tty_struct *tty)
{
int ret;
mutex_lock(&sel_lock);
console_lock();
ret = __set_selection(v, tty);
console_unlock();
mutex_unlock(&sel_lock);
return ret;
}
/* Insert the contents of the selection buffer into the
@@ -353,6 +369,7 @@ int paste_selection(struct tty_struct *tty)
tty_buffer_lock_exclusive(&vc->port);
add_wait_queue(&vc->paste_wait, &wait);
mutex_lock(&sel_lock);
while (sel_buffer && sel_buffer_lth > pasted) {
set_current_state(TASK_INTERRUPTIBLE);
if (signal_pending(current)) {
@@ -360,7 +377,9 @@ int paste_selection(struct tty_struct *tty)
break;
}
if (tty_throttled(tty)) {
mutex_unlock(&sel_lock);
schedule();
mutex_lock(&sel_lock);
continue;
}
__set_current_state(TASK_RUNNING);
@@ -369,6 +388,7 @@ int paste_selection(struct tty_struct *tty)
count);
pasted += count;
}
mutex_unlock(&sel_lock);
remove_wait_queue(&vc->paste_wait, &wait);
__set_current_state(TASK_RUNNING);

2
drivers/tty/vt/vt.c
View File

@@ -2690,9 +2690,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
switch (type)
{
case TIOCL_SETSEL:
console_lock();
ret = set_selection((struct tiocl_selection __user *)(p+1), tty);
console_unlock();
break;
case TIOCL_PASTESEL:
ret = paste_selection(tty);

6
drivers/usb/core/hub.c
View File

@@ -958,13 +958,17 @@ int usb_remove_device(struct usb_device *udev)
{
struct usb_hub *hub;
struct usb_interface *intf;
int ret;
if (!udev->parent) /* Can't remove a root hub */
return -EINVAL;
hub = usb_hub_to_struct_hub(udev->parent);
intf = to_usb_interface(hub->intfdev);
usb_autopm_get_interface(intf);
ret = usb_autopm_get_interface(intf);
if (ret < 0)
return ret;
set_bit(udev->portnum, hub->removed_bits);
hub_port_logical_disconnect(hub, udev->portnum);
usb_autopm_put_interface(intf);

10
drivers/usb/core/port.c
View File

@@ -179,7 +179,10 @@ static int usb_port_runtime_resume(struct device *dev)
if (!port_dev->is_superspeed && peer)
pm_runtime_get_sync(&peer->dev);
usb_autopm_get_interface(intf);
retval = usb_autopm_get_interface(intf);
if (retval < 0)
return retval;
retval = usb_hub_set_port_power(hdev, hub, port1, true);
msleep(hub_power_on_good_delay(hub));
if (udev && !retval) {
@@ -232,7 +235,10 @@ static int usb_port_runtime_suspend(struct device *dev)
if (usb_port_block_power_off)
return -EBUSY;
usb_autopm_get_interface(intf);
retval = usb_autopm_get_interface(intf);
if (retval < 0)
return retval;
retval = usb_hub_set_port_power(hdev, hub, port1, false);
usb_clear_port_feature(hdev, port1, USB_PORT_FEAT_C_CONNECTION);
if (!port_dev->is_superspeed)

3
drivers/usb/core/quirks.c
View File

@@ -86,6 +86,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Logitech PTZ Pro Camera */
{ USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT },
/* Logitech Screen Share */
{ USB_DEVICE(0x046d, 0x086c), .driver_info = USB_QUIRK_NO_LPM },
/* Logitech Quickcam Fusion */
{ USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME },

24
drivers/usb/gadget/composite.c
View File

@@ -438,9 +438,13 @@ static u8 encode_bMaxPower(enum usb_device_speed speed,
if (!val)
return 0;
if (speed < USB_SPEED_SUPER)
return DIV_ROUND_UP(val, 2);
return min(val, 500U) / 2;
else
return DIV_ROUND_UP(val, 8);
/*
* USB 3.x supports up to 900mA, but since 900 isn't divisible
* by 8 the integral division will effectively cap to 896mA.
*/
return min(val, 900U) / 8;
}
static int config_buf(struct usb_configuration *config,
@@ -833,6 +837,10 @@ static int set_config(struct usb_composite_dev *cdev,
/* when we return, be sure our power usage is valid */
power = c->MaxPower ? c->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW;
if (gadget->speed < USB_SPEED_SUPER)
power = min(power, 500U);
else
power = min(power, 900U);
done:
usb_gadget_vbus_draw(gadget, power);
if (result >= 0 && cdev->delayed_status)
@@ -2278,7 +2286,7 @@ void composite_resume(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev = get_gadget_data(gadget);
struct usb_function *f;
u16 maxpower;
unsigned maxpower;
/* REVISIT: should we have config level
* suspend/resume callbacks?
@@ -2292,10 +2300,14 @@ void composite_resume(struct usb_gadget *gadget)
f->resume(f);
}
maxpower = cdev->config->MaxPower;
maxpower = cdev->config->MaxPower ?
cdev->config->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW;
if (gadget->speed < USB_SPEED_SUPER)
maxpower = min(maxpower, 500U);
else
maxpower = min(maxpower, 900U);
usb_gadget_vbus_draw(gadget, maxpower ?
maxpower : CONFIG_USB_GADGET_VBUS_DRAW);
usb_gadget_vbus_draw(gadget, maxpower);
}
cdev->suspended = 0;

5
drivers/usb/gadget/function/f_fs.c
View File

@@ -1265,18 +1265,19 @@ static int ffs_aio_cancel(struct kiocb *kiocb)
{
struct ffs_io_data *io_data = kiocb->private;
struct ffs_epfile *epfile = kiocb->ki_filp->private_data;
unsigned long flags;
int value;
ENTER();
spin_lock_irq(&epfile->ffs->eps_lock);
spin_lock_irqsave(&epfile->ffs->eps_lock, flags);
if (likely(io_data && io_data->ep && io_data->req))
value = usb_ep_dequeue(io_data->ep, io_data->req);
else
value = -EINVAL;
spin_unlock_irq(&epfile->ffs->eps_lock);
spin_unlock_irqrestore(&epfile->ffs->eps_lock, flags);
return value;
}

4
drivers/usb/gadget/function/u_serial.c
View File

@@ -715,8 +715,10 @@ static int gs_start_io(struct gs_port *port)
port->n_read = 0;
started = gs_start_rx(port);
/* unblock any pending writes into our circular buffer */
if (started) {
gs_start_tx(port);
/* Unblock any pending writes into our circular buffer, in case
* we didn't in gs_start_tx() */
tty_wakeup(port->port.tty);
} else {
gs_free_requests(ep, head, &port->read_allocated);

6
drivers/usb/storage/unusual_devs.h
View File

@@ -1277,6 +1277,12 @@ UNUSUAL_DEV( 0x090a, 0x1200, 0x0000, 0x9999,
USB_SC_RBC, USB_PR_BULK, NULL,
0 ),
UNUSUAL_DEV(0x090c, 0x1000, 0x1100, 0x1100,
"Samsung",
"Flash Drive FIT",
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_MAX_SECTORS_64),
/* aeb */
UNUSUAL_DEV( 0x090c, 0x1132, 0x0000, 0xffff,
"Feiya",

13
drivers/vhost/net.c
View File

@@ -914,11 +914,7 @@ static int vhost_net_release(struct inode *inode, struct file *f)
static struct socket *get_raw_socket(int fd)
{
struct {
struct sockaddr_ll sa;
char buf[MAX_ADDR_LEN];
} uaddr;
int uaddr_len = sizeof uaddr, r;
int r;
struct socket *sock = sockfd_lookup(fd, &r);
if (!sock)
@@ -930,12 +926,7 @@ static struct socket *get_raw_socket(int fd)
goto err;
}
r = sock->ops->getname(sock, (struct sockaddr *)&uaddr.sa,
&uaddr_len, 0);
if (r)
goto err;
if (uaddr.sa.sll_family != AF_PACKET) {
if (sock->sk->sk_family != AF_PACKET) {
r = -EPFNOSUPPORT;
goto err;
}

3
drivers/video/console/vgacon.c
View File

@@ -1323,6 +1323,9 @@ static int vgacon_font_get(struct vc_data *c, struct console_font *font)
static int vgacon_resize(struct vc_data *c, unsigned int width,
unsigned int height, unsigned int user)
{
if ((width << 1) * height > vga_vram_size)
return -EINVAL;
if (width % 2 || width > screen_info.orig_video_cols ||
height > (screen_info.orig_video_lines * vga_default_font_height)/
c->vc_font.height)

7
drivers/watchdog/da9062_wdt.c
View File

@@ -126,13 +126,6 @@ static int da9062_wdt_stop(struct watchdog_device *wdd)
struct da9062_watchdog *wdt = watchdog_get_drvdata(wdd);
int ret;
ret = da9062_reset_watchdog_timer(wdt);
if (ret) {
dev_err(wdt->hw->dev, "Failed to ping the watchdog (err = %d)\n",
ret);
return ret;
}
ret = regmap_update_bits(wdt->hw->regmap,
DA9062AA_CONTROL_D,
DA9062AA_TWDSCALE_MASK,

2
drivers/watchdog/wdat_wdt.c
View File

@@ -392,7 +392,7 @@ static int wdat_wdt_probe(struct platform_device *pdev)
memset(&r, 0, sizeof(r));
r.start = gas->address;
r.end = r.start + gas->access_width - 1;
r.end = r.start + ACPI_ACCESS_BYTE_WIDTH(gas->access_width) - 1;
if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
r.flags = IORESOURCE_MEM;
} else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {

4
fs/cifs/cifsacl.c
View File

@@ -603,7 +603,7 @@ static void access_flags_to_mode(__le32 ace_flags, int type, umode_t *pmode,
((flags & FILE_EXEC_RIGHTS) == FILE_EXEC_RIGHTS))
*pmode |= (S_IXUGO & (*pbits_to_set));
cifs_dbg(NOISY, "access flags 0x%x mode now 0x%x\n", flags, *pmode);
cifs_dbg(NOISY, "access flags 0x%x mode now %04o\n", flags, *pmode);
return;
}
@@ -632,7 +632,7 @@ static void mode_to_access_flags(umode_t mode, umode_t bits_to_use,
if (mode & S_IXUGO)
*pace_flags |= SET_FILE_EXEC_RIGHTS;
cifs_dbg(NOISY, "mode: 0x%x, access flags now 0x%x\n",
cifs_dbg(NOISY, "mode: %04o, access flags now 0x%x\n",
mode, *pace_flags);
return;
}

2
fs/cifs/connect.c
View File

@@ -3401,7 +3401,7 @@ int cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->mnt_gid = pvolume_info->linux_gid;
cifs_sb->mnt_file_mode = pvolume_info->file_mode;
cifs_sb->mnt_dir_mode = pvolume_info->dir_mode;
cifs_dbg(FYI, "file mode: 0x%hx dir mode: 0x%hx\n",
cifs_dbg(FYI, "file mode: %04ho dir mode: %04ho\n",
cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode);
cifs_sb->actimeo = pvolume_info->actimeo;

8
fs/cifs/inode.c
View File

@@ -1573,7 +1573,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode)
struct TCP_Server_Info *server;
char *full_path;
cifs_dbg(FYI, "In cifs_mkdir, mode = 0x%hx inode = 0x%p\n",
cifs_dbg(FYI, "In cifs_mkdir, mode = %04ho inode = 0x%p\n",
mode, inode);
cifs_sb = CIFS_SB(inode->i_sb);
@@ -1990,6 +1990,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry)
struct inode *inode = d_inode(dentry);
struct super_block *sb = dentry->d_sb;
char *full_path = NULL;
int count = 0;
if (inode == NULL)
return -ENOENT;
@@ -2011,15 +2012,18 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry)
full_path, inode, inode->i_count.counter,
dentry, cifs_get_time(dentry), jiffies);
again:
if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext)
rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
else
rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
xid, NULL);
if (rc == -EAGAIN && count++ < 10)
goto again;
out:
kfree(full_path);
free_xid(xid);
return rc;
}

4
fs/ecryptfs/keystore.c
View File

@@ -1285,7 +1285,7 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat,
printk(KERN_ERR "Enter w/ first byte != 0x%.2x\n",
ECRYPTFS_TAG_1_PACKET_TYPE);
rc = -EINVAL;
goto out_free;
goto out;
}
/* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or
* at end of function upon failure */
@@ -1335,7 +1335,7 @@ parse_tag_1_packet(struct ecryptfs_crypt_stat *crypt_stat,
printk(KERN_WARNING "Tag 1 packet contains key larger "
"than ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES");
rc = -EINVAL;
goto out;
goto out_free;
}
memcpy((*new_auth_tok)->session_key.encrypted_key,
&data[(*packet_size)], (body_size - (ECRYPTFS_SIG_SIZE + 2)));

14
fs/ext4/balloc.c
View File

@@ -279,6 +279,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
ext4_group_t ngroups = ext4_get_groups_count(sb);
struct ext4_group_desc *desc;
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct buffer_head *bh_p;
if (block_group >= ngroups) {
ext4_error(sb, "block_group >= groups_count - block_group = %u,"
@@ -289,7 +290,14 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb);
offset = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1);
if (!sbi->s_group_desc[group_desc]) {
bh_p = sbi_array_rcu_deref(sbi, s_group_desc, group_desc);
/*
* sbi_array_rcu_deref returns with rcu unlocked, this is ok since
* the pointer being dereferenced won't be dereferenced again. By
* looking at the usage in add_new_gdb() the value isn't modified,
* just the pointer, and so it remains valid.
*/
if (!bh_p) {
ext4_error(sb, "Group descriptor not loaded - "
"block_group = %u, group_desc = %u, desc = %u",
block_group, group_desc, offset);
@@ -297,10 +305,10 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
}
desc = (struct ext4_group_desc *)(
(__u8 *)sbi->s_group_desc[group_desc]->b_data +
(__u8 *)bh_p->b_data +
offset * EXT4_DESC_SIZE(sb));
if (bh)
*bh = sbi->s_group_desc[group_desc];
*bh = bh_p;
return desc;
}

30
fs/ext4/ext4.h
View File

@@ -1364,7 +1364,7 @@ struct ext4_sb_info {
loff_t s_bitmap_maxbytes; /* max bytes for bitmap files */
struct buffer_head * s_sbh; /* Buffer containing the super block */
struct ext4_super_block *s_es; /* Pointer to the super block in the buffer */
struct buffer_head **s_group_desc;
struct buffer_head * __rcu *s_group_desc;
unsigned int s_mount_opt;
unsigned int s_mount_opt2;
unsigned int s_mount_flags;
@@ -1424,7 +1424,7 @@ struct ext4_sb_info {
#endif
/* for buddy allocator */
struct ext4_group_info ***s_group_info;
struct ext4_group_info ** __rcu *s_group_info;
struct inode *s_buddy_cache;
spinlock_t s_md_lock;
unsigned short *s_mb_offsets;
@@ -1472,7 +1472,7 @@ struct ext4_sb_info {
unsigned int s_extent_max_zeroout_kb;
unsigned int s_log_groups_per_flex;
struct flex_groups *s_flex_groups;
struct flex_groups * __rcu *s_flex_groups;
ext4_group_t s_flex_groups_allocated;
/* workqueue for reserved extent conversions (buffered io) */
@@ -1541,6 +1541,23 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));
}
/*
* Returns: sbi->field[index]
* Used to access an array element from the following sbi fields which require
* rcu protection to avoid dereferencing an invalid pointer due to reassignment
* - s_group_desc
* - s_group_info
* - s_flex_group
*/
#define sbi_array_rcu_deref(sbi, field, index) \
({ \
typeof(*((sbi)->field)) _v; \
rcu_read_lock(); \
_v = ((typeof(_v)*)rcu_dereference((sbi)->field))[index]; \
rcu_read_unlock(); \
_v; \
})
/*
* Inode dynamic state flags
*/
@@ -2523,6 +2540,7 @@ extern int ext4_generic_delete_entry(handle_t *handle,
extern bool ext4_empty_dir(struct inode *inode);
/* resize.c */
extern void ext4_kvfree_array_rcu(void *to_free);
extern int ext4_group_add(struct super_block *sb,
struct ext4_new_group_data *input);
extern int ext4_group_extend(struct super_block *sb,
@@ -2763,13 +2781,13 @@ static inline
struct ext4_group_info *ext4_get_group_info(struct super_block *sb,
ext4_group_t group)
{
struct ext4_group_info ***grp_info;
struct ext4_group_info **grp_info;
long indexv, indexh;
BUG_ON(group >= EXT4_SB(sb)->s_groups_count);
grp_info = EXT4_SB(sb)->s_group_info;
indexv = group >> (EXT4_DESC_PER_BLOCK_BITS(sb));
indexh = group & ((EXT4_DESC_PER_BLOCK(sb)) - 1);
return grp_info[indexv][indexh];
grp_info = sbi_array_rcu_deref(EXT4_SB(sb), s_group_info, indexv);
return grp_info[indexh];
}
/*

23
fs/ext4/ialloc.c
View File

@@ -331,11 +331,13 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
percpu_counter_inc(&sbi->s_freeinodes_counter);
if (sbi->s_log_groups_per_flex) {
ext4_group_t f = ext4_flex_group(sbi, block_group);
struct flex_groups *fg;
atomic_inc(&sbi->s_flex_groups[f].free_inodes);
fg = sbi_array_rcu_deref(sbi, s_flex_groups,
ext4_flex_group(sbi, block_group));
atomic_inc(&fg->free_inodes);
if (is_directory)
atomic_dec(&sbi->s_flex_groups[f].used_dirs);
atomic_dec(&fg->used_dirs);
}
BUFFER_TRACE(bh2, "call ext4_handle_dirty_metadata");
fatal = ext4_handle_dirty_metadata(handle, NULL, bh2);
@@ -376,12 +378,13 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g,
int flex_size, struct orlov_stats *stats)
{
struct ext4_group_desc *desc;
struct flex_groups *flex_group = EXT4_SB(sb)->s_flex_groups;
if (flex_size > 1) {
stats->free_inodes = atomic_read(&flex_group[g].free_inodes);
stats->free_clusters = atomic64_read(&flex_group[g].free_clusters);
stats->used_dirs = atomic_read(&flex_group[g].used_dirs);
struct flex_groups *fg = sbi_array_rcu_deref(EXT4_SB(sb),
s_flex_groups, g);
stats->free_inodes = atomic_read(&fg->free_inodes);
stats->free_clusters = atomic64_read(&fg->free_clusters);
stats->used_dirs = atomic_read(&fg->used_dirs);
return;
}
@@ -988,7 +991,8 @@ got:
if (sbi->s_log_groups_per_flex) {
ext4_group_t f = ext4_flex_group(sbi, group);
atomic_inc(&sbi->s_flex_groups[f].used_dirs);
atomic_inc(&sbi_array_rcu_deref(sbi, s_flex_groups,
f)->used_dirs);
}
}
if (ext4_has_group_desc_csum(sb)) {
@@ -1011,7 +1015,8 @@ got:
if (sbi->s_log_groups_per_flex) {
flex_group = ext4_flex_group(sbi, group);
atomic_dec(&sbi->s_flex_groups[flex_group].free_inodes);
atomic_dec(&sbi_array_rcu_deref(sbi, s_flex_groups,
flex_group)->free_inodes);
}
inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);

61
fs/ext4/mballoc.c
View File

@@ -2377,7 +2377,7 @@ int ext4_mb_alloc_groupinfo(struct super_block *sb, ext4_group_t ngroups)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
unsigned size;
struct ext4_group_info ***new_groupinfo;
struct ext4_group_info ***old_groupinfo, ***new_groupinfo;
size = (ngroups + EXT4_DESC_PER_BLOCK(sb) - 1) >>
EXT4_DESC_PER_BLOCK_BITS(sb);
@@ -2390,13 +2390,16 @@ int ext4_mb_alloc_groupinfo(struct super_block *sb, ext4_group_t ngroups)
ext4_msg(sb, KERN_ERR, "can't allocate buddy meta group");
return -ENOMEM;
}
if (sbi->s_group_info) {
memcpy(new_groupinfo, sbi->s_group_info,
rcu_read_lock();
old_groupinfo = rcu_dereference(sbi->s_group_info);
if (old_groupinfo)
memcpy(new_groupinfo, old_groupinfo,
sbi->s_group_info_size * sizeof(*sbi->s_group_info));
kvfree(sbi->s_group_info);
}
sbi->s_group_info = new_groupinfo;
rcu_read_unlock();
rcu_assign_pointer(sbi->s_group_info, new_groupinfo);
sbi->s_group_info_size = size / sizeof(*sbi->s_group_info);
if (old_groupinfo)
ext4_kvfree_array_rcu(old_groupinfo);
ext4_debug("allocated s_groupinfo array for %d meta_bg's\n",
sbi->s_group_info_size);
return 0;
@@ -2408,6 +2411,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
{
int i;
int metalen = 0;
int idx = group >> EXT4_DESC_PER_BLOCK_BITS(sb);
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_group_info **meta_group_info;
struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits);
@@ -2426,12 +2430,12 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
"for a buddy group");
goto exit_meta_group_info;
}
sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] =
meta_group_info;
rcu_read_lock();
rcu_dereference(sbi->s_group_info)[idx] = meta_group_info;
rcu_read_unlock();
}
meta_group_info =
sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)];
meta_group_info = sbi_array_rcu_deref(sbi, s_group_info, idx);
i = group & (EXT4_DESC_PER_BLOCK(sb) - 1);
meta_group_info[i] = kmem_cache_zalloc(cachep, GFP_NOFS);
@@ -2479,8 +2483,13 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
exit_group_info:
/* If a meta_group_info table has been allocated, release it now */
if (group % EXT4_DESC_PER_BLOCK(sb) == 0) {
kfree(sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)]);
sbi->s_group_info[group >> EXT4_DESC_PER_BLOCK_BITS(sb)] = NULL;
struct ext4_group_info ***group_info;
rcu_read_lock();
group_info = rcu_dereference(sbi->s_group_info);
kfree(group_info[idx]);
group_info[idx] = NULL;
rcu_read_unlock();
}
exit_meta_group_info:
return -ENOMEM;
@@ -2493,6 +2502,7 @@ static int ext4_mb_init_backend(struct super_block *sb)
struct ext4_sb_info *sbi = EXT4_SB(sb);
int err;
struct ext4_group_desc *desc;
struct ext4_group_info ***group_info;
struct kmem_cache *cachep;
err = ext4_mb_alloc_groupinfo(sb, ngroups);
@@ -2527,11 +2537,16 @@ err_freebuddy:
while (i-- > 0)
kmem_cache_free(cachep, ext4_get_group_info(sb, i));
i = sbi->s_group_info_size;
rcu_read_lock();
group_info = rcu_dereference(sbi->s_group_info);
while (i-- > 0)
kfree(sbi->s_group_info[i]);
kfree(group_info[i]);
rcu_read_unlock();
iput(sbi->s_buddy_cache);
err_freesgi:
kvfree(sbi->s_group_info);
rcu_read_lock();
kvfree(rcu_dereference(sbi->s_group_info));
rcu_read_unlock();
return -ENOMEM;
}
@@ -2720,7 +2735,7 @@ int ext4_mb_release(struct super_block *sb)
ext4_group_t ngroups = ext4_get_groups_count(sb);
ext4_group_t i;
int num_meta_group_infos;
struct ext4_group_info *grinfo;
struct ext4_group_info *grinfo, ***group_info;
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct kmem_cache *cachep = get_groupinfo_cache(sb->s_blocksize_bits);
@@ -2738,9 +2753,12 @@ int ext4_mb_release(struct super_block *sb)
num_meta_group_infos = (ngroups +
EXT4_DESC_PER_BLOCK(sb) - 1) >>
EXT4_DESC_PER_BLOCK_BITS(sb);
rcu_read_lock();
group_info = rcu_dereference(sbi->s_group_info);
for (i = 0; i < num_meta_group_infos; i++)
kfree(sbi->s_group_info[i]);
kvfree(sbi->s_group_info);
kfree(group_info[i]);
kvfree(group_info);
rcu_read_unlock();
}
kfree(sbi->s_mb_offsets);
kfree(sbi->s_mb_maxs);
@@ -2999,7 +3017,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
ext4_group_t flex_group = ext4_flex_group(sbi,
ac->ac_b_ex.fe_group);
atomic64_sub(ac->ac_b_ex.fe_len,
&sbi->s_flex_groups[flex_group].free_clusters);
&sbi_array_rcu_deref(sbi, s_flex_groups,
flex_group)->free_clusters);
}
err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
@@ -4890,7 +4909,8 @@ do_more:
if (sbi->s_log_groups_per_flex) {
ext4_group_t flex_group = ext4_flex_group(sbi, block_group);
atomic64_add(count_clusters,
&sbi->s_flex_groups[flex_group].free_clusters);
&sbi_array_rcu_deref(sbi, s_flex_groups,
flex_group)->free_clusters);
}
if (!(flags & EXT4_FREE_BLOCKS_NO_QUOT_UPDATE))
@@ -5035,7 +5055,8 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
if (sbi->s_log_groups_per_flex) {
ext4_group_t flex_group = ext4_flex_group(sbi, block_group);
atomic64_add(EXT4_NUM_B2C(sbi, blocks_freed),
&sbi->s_flex_groups[flex_group].free_clusters);
&sbi_array_rcu_deref(sbi, s_flex_groups,
flex_group)->free_clusters);
}
ext4_mb_unload_buddy(&e4b);

62
fs/ext4/resize.c
View File

@@ -16,6 +16,33 @@
#include "ext4_jbd2.h"
struct ext4_rcu_ptr {
struct rcu_head rcu;
void *ptr;
};
static void ext4_rcu_ptr_callback(struct rcu_head *head)
{
struct ext4_rcu_ptr *ptr;
ptr = container_of(head, struct ext4_rcu_ptr, rcu);
kvfree(ptr->ptr);
kfree(ptr);
}
void ext4_kvfree_array_rcu(void *to_free)
{
struct ext4_rcu_ptr *ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
if (ptr) {
ptr->ptr = to_free;
call_rcu(&ptr->rcu, ext4_rcu_ptr_callback);
return;
}
synchronize_rcu();
kvfree(to_free);
}
int ext4_resize_begin(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -541,8 +568,8 @@ static int setup_new_flex_group_blocks(struct super_block *sb,
brelse(gdb);
goto out;
}
memcpy(gdb->b_data, sbi->s_group_desc[j]->b_data,
gdb->b_size);
memcpy(gdb->b_data, sbi_array_rcu_deref(sbi,
s_group_desc, j)->b_data, gdb->b_size);
set_buffer_uptodate(gdb);
err = ext4_handle_dirty_metadata(handle, NULL, gdb);
@@ -849,13 +876,15 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
}
brelse(dind);
o_group_desc = EXT4_SB(sb)->s_group_desc;
rcu_read_lock();
o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
memcpy(n_group_desc, o_group_desc,
EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
rcu_read_unlock();
n_group_desc[gdb_num] = gdb_bh;
EXT4_SB(sb)->s_group_desc = n_group_desc;
rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
EXT4_SB(sb)->s_gdb_count++;
kvfree(o_group_desc);
ext4_kvfree_array_rcu(o_group_desc);
le16_add_cpu(&es->s_reserved_gdt_blocks, -1);
err = ext4_handle_dirty_super(handle, sb);
@@ -903,9 +932,11 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
return err;
}
o_group_desc = EXT4_SB(sb)->s_group_desc;
rcu_read_lock();
o_group_desc = rcu_dereference(EXT4_SB(sb)->s_group_desc);
memcpy(n_group_desc, o_group_desc,
EXT4_SB(sb)->s_gdb_count * sizeof(struct buffer_head *));
rcu_read_unlock();
n_group_desc[gdb_num] = gdb_bh;
BUFFER_TRACE(gdb_bh, "get_write_access");
@@ -916,9 +947,9 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
return err;
}
EXT4_SB(sb)->s_group_desc = n_group_desc;
rcu_assign_pointer(EXT4_SB(sb)->s_group_desc, n_group_desc);
EXT4_SB(sb)->s_gdb_count++;
kvfree(o_group_desc);
ext4_kvfree_array_rcu(o_group_desc);
return err;
}
@@ -1180,7 +1211,8 @@ static int ext4_add_new_descs(handle_t *handle, struct super_block *sb,
* use non-sparse filesystems anymore. This is already checked above.
*/
if (gdb_off) {
gdb_bh = sbi->s_group_desc[gdb_num];
gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,
gdb_num);
BUFFER_TRACE(gdb_bh, "get_write_access");
err = ext4_journal_get_write_access(handle, gdb_bh);
@@ -1262,7 +1294,7 @@ static int ext4_setup_new_descs(handle_t *handle, struct super_block *sb,
/*
* get_write_access() has been called on gdb_bh by ext4_add_new_desc().
*/
gdb_bh = sbi->s_group_desc[gdb_num];
gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc, gdb_num);
/* Update group descriptor block for new group */
gdp = (struct ext4_group_desc *)(gdb_bh->b_data +
gdb_off * EXT4_DESC_SIZE(sb));
@@ -1390,11 +1422,14 @@ static void ext4_update_super(struct super_block *sb,
percpu_counter_read(&sbi->s_freeclusters_counter));
if (ext4_has_feature_flex_bg(sb) && sbi->s_log_groups_per_flex) {
ext4_group_t flex_group;
struct flex_groups *fg;
flex_group = ext4_flex_group(sbi, group_data[0].group);
fg = sbi_array_rcu_deref(sbi, s_flex_groups, flex_group);
atomic64_add(EXT4_NUM_B2C(sbi, free_blocks),
&sbi->s_flex_groups[flex_group].free_clusters);
&fg->free_clusters);
atomic_add(EXT4_INODES_PER_GROUP(sb) * flex_gd->count,
&sbi->s_flex_groups[flex_group].free_inodes);
&fg->free_inodes);
}
/*
@@ -1489,7 +1524,8 @@ exit_journal:
for (; gdb_num <= gdb_num_end; gdb_num++) {
struct buffer_head *gdb_bh;
gdb_bh = sbi->s_group_desc[gdb_num];
gdb_bh = sbi_array_rcu_deref(sbi, s_group_desc,
gdb_num);
if (old_gdb == gdb_bh->b_blocknr)
continue;
update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data,

103
fs/ext4/super.c
View File

@@ -826,6 +826,8 @@ static void ext4_put_super(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_super_block *es = sbi->s_es;
struct buffer_head **group_desc;
struct flex_groups **flex_groups;
int aborted = 0;
int i, err;
@@ -857,10 +859,18 @@ static void ext4_put_super(struct super_block *sb)
if (!(sb->s_flags & MS_RDONLY))
ext4_commit_super(sb, 1);
rcu_read_lock();
group_desc = rcu_dereference(sbi->s_group_desc);
for (i = 0; i < sbi->s_gdb_count; i++)
brelse(sbi->s_group_desc[i]);
kvfree(sbi->s_group_desc);
kvfree(sbi->s_flex_groups);
brelse(group_desc[i]);
kvfree(group_desc);
flex_groups = rcu_dereference(sbi->s_flex_groups);
if (flex_groups) {
for (i = 0; i < sbi->s_flex_groups_allocated; i++)
kvfree(flex_groups[i]);
kvfree(flex_groups);
}
rcu_read_unlock();
percpu_counter_destroy(&sbi->s_freeclusters_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
@@ -2119,8 +2129,8 @@ done:
int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct flex_groups *new_groups;
int size;
struct flex_groups **old_groups, **new_groups;
int size, i, j;
if (!sbi->s_log_groups_per_flex)
return 0;
@@ -2129,22 +2139,37 @@ int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup)
if (size <= sbi->s_flex_groups_allocated)
return 0;
size = roundup_pow_of_two(size * sizeof(struct flex_groups));
new_groups = ext4_kvzalloc(size, GFP_KERNEL);
new_groups = ext4_kvzalloc(roundup_pow_of_two(size *
sizeof(*sbi->s_flex_groups)), GFP_KERNEL);
if (!new_groups) {
ext4_msg(sb, KERN_ERR, "not enough memory for %d flex groups",
size / (int) sizeof(struct flex_groups));
ext4_msg(sb, KERN_ERR,
"not enough memory for %d flex group pointers", size);
return -ENOMEM;
}
if (sbi->s_flex_groups) {
memcpy(new_groups, sbi->s_flex_groups,
(sbi->s_flex_groups_allocated *
sizeof(struct flex_groups)));
kvfree(sbi->s_flex_groups);
for (i = sbi->s_flex_groups_allocated; i < size; i++) {
new_groups[i] = ext4_kvzalloc(roundup_pow_of_two(
sizeof(struct flex_groups)),
GFP_KERNEL);
if (!new_groups[i]) {
for (j = sbi->s_flex_groups_allocated; j < i; j++)
kvfree(new_groups[j]);
kvfree(new_groups);
ext4_msg(sb, KERN_ERR,
"not enough memory for %d flex groups", size);
return -ENOMEM;
}
}
sbi->s_flex_groups = new_groups;
sbi->s_flex_groups_allocated = size / sizeof(struct flex_groups);
rcu_read_lock();
old_groups = rcu_dereference(sbi->s_flex_groups);
if (old_groups)
memcpy(new_groups, old_groups,
(sbi->s_flex_groups_allocated *
sizeof(struct flex_groups *)));
rcu_read_unlock();
rcu_assign_pointer(sbi->s_flex_groups, new_groups);
sbi->s_flex_groups_allocated = size;
if (old_groups)
ext4_kvfree_array_rcu(old_groups);
return 0;
}
@@ -2152,6 +2177,7 @@ static int ext4_fill_flex_info(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_group_desc *gdp = NULL;
struct flex_groups *fg;
ext4_group_t flex_group;
int i, err;
@@ -2169,12 +2195,11 @@ static int ext4_fill_flex_info(struct super_block *sb)
gdp = ext4_get_group_desc(sb, i, NULL);
flex_group = ext4_flex_group(sbi, i);
atomic_add(ext4_free_inodes_count(sb, gdp),
&sbi->s_flex_groups[flex_group].free_inodes);
fg = sbi_array_rcu_deref(sbi, s_flex_groups, flex_group);
atomic_add(ext4_free_inodes_count(sb, gdp), &fg->free_inodes);
atomic64_add(ext4_free_group_clusters(sb, gdp),
&sbi->s_flex_groups[flex_group].free_clusters);
atomic_add(ext4_used_dirs_count(sb, gdp),
&sbi->s_flex_groups[flex_group].used_dirs);
&fg->free_clusters);
atomic_add(ext4_used_dirs_count(sb, gdp), &fg->used_dirs);
}
return 1;
@@ -3413,9 +3438,10 @@ static void ext4_set_resv_clusters(struct super_block *sb)
static int ext4_fill_super(struct super_block *sb, void *data, int silent)
{
char *orig_data = kstrdup(data, GFP_KERNEL);
struct buffer_head *bh;
struct buffer_head *bh, **group_desc;
struct ext4_super_block *es = NULL;
struct ext4_sb_info *sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
struct flex_groups **flex_groups;
ext4_fsblk_t block;
ext4_fsblk_t sb_block = get_sb_block(&data);
ext4_fsblk_t logical_sb_block;
@@ -3965,9 +3991,10 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
}
sbi->s_group_desc = ext4_kvmalloc(db_count *
rcu_assign_pointer(sbi->s_group_desc,
ext4_kvmalloc(db_count *
sizeof(struct buffer_head *),
GFP_KERNEL);
GFP_KERNEL));
if (sbi->s_group_desc == NULL) {
ext4_msg(sb, KERN_ERR, "not enough memory");
ret = -ENOMEM;
@@ -3977,14 +4004,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
bgl_lock_init(sbi->s_blockgroup_lock);
for (i = 0; i < db_count; i++) {
struct buffer_head *bh;
block = descriptor_loc(sb, logical_sb_block, i);
sbi->s_group_desc[i] = sb_bread_unmovable(sb, block);
if (!sbi->s_group_desc[i]) {
bh = sb_bread_unmovable(sb, block);
if (!bh) {
ext4_msg(sb, KERN_ERR,
"can't read group descriptor %d", i);
db_count = i;
goto failed_mount2;
}
rcu_read_lock();
rcu_dereference(sbi->s_group_desc)[i] = bh;
rcu_read_unlock();
}
sbi->s_gdb_count = db_count;
if (!ext4_check_descriptors(sb, logical_sb_block, &first_not_zeroed)) {
@@ -4323,8 +4355,14 @@ failed_mount7:
ext4_unregister_li_request(sb);
failed_mount6:
ext4_mb_release(sb);
if (sbi->s_flex_groups)
kvfree(sbi->s_flex_groups);
rcu_read_lock();
flex_groups = rcu_dereference(sbi->s_flex_groups);
if (flex_groups) {
for (i = 0; i < sbi->s_flex_groups_allocated; i++)
kvfree(flex_groups[i]);
kvfree(flex_groups);
}
rcu_read_unlock();
percpu_counter_destroy(&sbi->s_freeclusters_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
@@ -4356,9 +4394,12 @@ failed_mount3:
if (sbi->s_mmp_tsk)
kthread_stop(sbi->s_mmp_tsk);
failed_mount2:
rcu_read_lock();
group_desc = rcu_dereference(sbi->s_group_desc);
for (i = 0; i < db_count; i++)
brelse(sbi->s_group_desc[i]);
kvfree(sbi->s_group_desc);
brelse(group_desc[i]);
kvfree(group_desc);
rcu_read_unlock();
failed_mount:
if (sbi->s_chksum_driver)
crypto_free_shash(sbi->s_chksum_driver);

19
fs/fat/inode.c
View File

@@ -736,6 +736,13 @@ static struct inode *fat_alloc_inode(struct super_block *sb)
return NULL;
init_rwsem(&ei->truncate_lock);
/* Zeroing to allow iput() even if partial initialized inode. */
ei->mmu_private = 0;
ei->i_start = 0;
ei->i_logstart = 0;
ei->i_attrs = 0;
ei->i_pos = 0;
return &ei->vfs_inode;
}
@@ -1366,16 +1373,6 @@ out:
return 0;
}
static void fat_dummy_inode_init(struct inode *inode)
{
/* Initialize this dummy inode to work as no-op. */
MSDOS_I(inode)->mmu_private = 0;
MSDOS_I(inode)->i_start = 0;
MSDOS_I(inode)->i_logstart = 0;
MSDOS_I(inode)->i_attrs = 0;
MSDOS_I(inode)->i_pos = 0;
}
static int fat_read_root(struct inode *inode)
{
struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
@@ -1820,13 +1817,11 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
fat_inode = new_inode(sb);
if (!fat_inode)
goto out_fail;
fat_dummy_inode_init(fat_inode);
sbi->fat_inode = fat_inode;
fsinfo_inode = new_inode(sb);
if (!fsinfo_inode)
goto out_fail;
fat_dummy_inode_init(fsinfo_inode);
fsinfo_inode->i_ino = MSDOS_FSINFO_INO;
sbi->fsinfo_inode = fsinfo_inode;
insert_inode_hash(fsinfo_inode);

2
fs/namei.c
View File

@@ -1385,7 +1385,7 @@ static int follow_dotdot_rcu(struct nameidata *nd)
nd->path.dentry = parent;
nd->seq = seq;
if (unlikely(!path_connected(&nd->path)))
return -ENOENT;
return -ECHILD;
break;
} else {
struct mount *mnt = real_mount(nd->path.mnt);

2
include/acpi/actypes.h
View File

@@ -551,6 +551,8 @@ typedef u64 acpi_integer;
#define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
#define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1))
/*******************************************************************************
*
* Miscellaneous constants

3
include/linux/bitops.h
View File

@@ -3,7 +3,8 @@
#include <asm/types.h>
#include <linux/bits.h>
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE)
#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_TYPE(long))
extern unsigned int __sw_hweight8(unsigned int w);
extern unsigned int __sw_hweight16(unsigned int w);

2
include/linux/hid.h
View File

@@ -453,7 +453,7 @@ struct hid_report_enum {
};
#define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
#define HID_MAX_BUFFER_SIZE 8192 /* 8kb */
#define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
#define HID_OUTPUT_FIFO_SIZE 64

9
include/net/flow_dissector.h
View File

@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/in6.h>
#include <linux/siphash.h>
#include <linux/string.h>
#include <uapi/linux/if_ether.h>
/**
@@ -204,4 +205,12 @@ static inline void *skb_flow_dissector_target(struct flow_dissector *flow_dissec
return ((char *)target_container) + flow_dissector->offset[key_id];
}
static inline void
flow_dissector_init_keys(struct flow_dissector_key_control *key_control,
struct flow_dissector_key_basic *key_basic)
{
memset(key_control, 0, sizeof(*key_control));
memset(key_basic, 0, sizeof(*key_basic));
}
#endif

40
kernel/audit.c
View File

@@ -751,13 +751,11 @@ static void audit_log_feature_change(int which, u32 old_feature, u32 new_feature
audit_log_end(ab);
}
static int audit_set_feature(struct sk_buff *skb)
static int audit_set_feature(struct audit_features *uaf)
{
struct audit_features *uaf;
int i;
BUILD_BUG_ON(AUDIT_LAST_FEATURE + 1 > ARRAY_SIZE(audit_feature_names));
uaf = nlmsg_data(nlmsg_hdr(skb));
/* if there is ever a version 2 we should handle that here */
@@ -823,6 +821,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
u32 seq;
void *data;
int data_len;
int err;
struct audit_buffer *ab;
u16 msg_type = nlh->nlmsg_type;
@@ -846,6 +845,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
}
seq = nlh->nlmsg_seq;
data = nlmsg_data(nlh);
data_len = nlmsg_len(nlh);
switch (msg_type) {
case AUDIT_GET: {
@@ -867,7 +867,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
struct audit_status s;
memset(&s, 0, sizeof(s));
/* guard against past and future API changes */
memcpy(&s, data, min_t(size_t, sizeof(s), nlmsg_len(nlh)));
memcpy(&s, data, min_t(size_t, sizeof(s), data_len));
if (s.mask & AUDIT_STATUS_ENABLED) {
err = audit_set_enabled(s.enabled);
if (err < 0)
@@ -930,7 +930,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return err;
break;
case AUDIT_SET_FEATURE:
err = audit_set_feature(skb);
if (data_len < sizeof(struct audit_features))
return -EINVAL;
err = audit_set_feature(data);
if (err)
return err;
break;
@@ -942,6 +944,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
err = audit_filter(msg_type, AUDIT_FILTER_USER);
if (err == 1) { /* match or error */
char *str = data;
err = 0;
if (msg_type == AUDIT_USER_TTY) {
err = tty_audit_push();
@@ -950,19 +954,17 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
}
mutex_unlock(&audit_cmd_mutex);
audit_log_common_recv_msg(&ab, msg_type);
if (msg_type != AUDIT_USER_TTY)
if (msg_type != AUDIT_USER_TTY) {
/* ensure NULL termination */
str[data_len - 1] = '\0';
audit_log_format(ab, " msg='%.*s'",
AUDIT_MESSAGE_TEXT_MAX,
(char *)data);
else {
int size;
str);
} else {
audit_log_format(ab, " data=");
size = nlmsg_len(nlh);
if (size > 0 &&
((unsigned char *)data)[size - 1] == '\0')
size--;
audit_log_n_untrustedstring(ab, data, size);
if (data_len > 0 && str[data_len - 1] == '\0')
data_len--;
audit_log_n_untrustedstring(ab, str, data_len);
}
audit_set_portid(ab, NETLINK_CB(skb).portid);
audit_log_end(ab);
@@ -971,7 +973,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
break;
case AUDIT_ADD_RULE:
case AUDIT_DEL_RULE:
if (nlmsg_len(nlh) < sizeof(struct audit_rule_data))
if (data_len < sizeof(struct audit_rule_data))
return -EINVAL;
if (audit_enabled == AUDIT_LOCKED) {
audit_log_common_recv_msg(&ab, AUDIT_CONFIG_CHANGE);
@@ -980,7 +982,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EPERM;
}
err = audit_rule_change(msg_type, NETLINK_CB(skb).portid,
seq, data, nlmsg_len(nlh));
seq, data, data_len);
break;
case AUDIT_LIST_RULES:
err = audit_list_rules_send(skb, seq);
@@ -994,7 +996,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_MAKE_EQUIV: {
void *bufp = data;
u32 sizes[2];
size_t msglen = nlmsg_len(nlh);
size_t msglen = data_len;
char *old, *new;
err = -EINVAL;
@@ -1070,7 +1072,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
memset(&s, 0, sizeof(s));
/* guard against past and future API changes */
memcpy(&s, data, min_t(size_t, sizeof(s), nlmsg_len(nlh)));
memcpy(&s, data, min_t(size_t, sizeof(s), data_len));
/* check if new data is valid */
if ((s.enabled != 0 && s.enabled != 1) ||
(s.log_passwd != 0 && s.log_passwd != 1))

81
kernel/auditfilter.c
View File

@@ -434,6 +434,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
bufp = data->buf;
for (i = 0; i < data->field_count; i++) {
struct audit_field *f = &entry->rule.fields[i];
u32 f_val;
err = -EINVAL;
@@ -442,12 +443,12 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
goto exit_free;
f->type = data->fields[i];
f->val = data->values[i];
f_val = data->values[i];
/* Support legacy tests for a valid loginuid */
if ((f->type == AUDIT_LOGINUID) && (f->val == AUDIT_UID_UNSET)) {
if ((f->type == AUDIT_LOGINUID) && (f_val == AUDIT_UID_UNSET)) {
f->type = AUDIT_LOGINUID_SET;
f->val = 0;
f_val = 0;
entry->rule.pflags |= AUDIT_LOGINUID_LEGACY;
}
@@ -463,7 +464,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
case AUDIT_SUID:
case AUDIT_FSUID:
case AUDIT_OBJ_UID:
f->uid = make_kuid(current_user_ns(), f->val);
f->uid = make_kuid(current_user_ns(), f_val);
if (!uid_valid(f->uid))
goto exit_free;
break;
@@ -472,11 +473,12 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
case AUDIT_SGID:
case AUDIT_FSGID:
case AUDIT_OBJ_GID:
f->gid = make_kgid(current_user_ns(), f->val);
f->gid = make_kgid(current_user_ns(), f_val);
if (!gid_valid(f->gid))
goto exit_free;
break;
case AUDIT_ARCH:
f->val = f_val;
entry->rule.arch_f = f;
break;
case AUDIT_SUBJ_USER:
@@ -489,11 +491,13 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
case AUDIT_OBJ_TYPE:
case AUDIT_OBJ_LEV_LOW:
case AUDIT_OBJ_LEV_HIGH:
str = audit_unpack_string(&bufp, &remain, f->val);
if (IS_ERR(str))
str = audit_unpack_string(&bufp, &remain, f_val);
if (IS_ERR(str)) {
err = PTR_ERR(str);
goto exit_free;
entry->rule.buflen += f->val;
}
entry->rule.buflen += f_val;
f->lsm_str = str;
err = security_audit_rule_init(f->type, f->op, str,
(void **)&f->lsm_rule);
/* Keep currently invalid fields around in case they
@@ -502,68 +506,71 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data,
pr_warn("audit rule for LSM \'%s\' is invalid\n",
str);
err = 0;
}
if (err) {
kfree(str);
} else if (err)
goto exit_free;
} else
f->lsm_str = str;
break;
case AUDIT_WATCH:
str = audit_unpack_string(&bufp, &remain, f->val);
if (IS_ERR(str))
str = audit_unpack_string(&bufp, &remain, f_val);
if (IS_ERR(str)) {
err = PTR_ERR(str);
goto exit_free;
entry->rule.buflen += f->val;
err = audit_to_watch(&entry->rule, str, f->val, f->op);
}
err = audit_to_watch(&entry->rule, str, f_val, f->op);
if (err) {
kfree(str);
goto exit_free;
}
entry->rule.buflen += f_val;
break;
case AUDIT_DIR:
str = audit_unpack_string(&bufp, &remain, f->val);
if (IS_ERR(str))
str = audit_unpack_string(&bufp, &remain, f_val);
if (IS_ERR(str)) {
err = PTR_ERR(str);
goto exit_free;
entry->rule.buflen += f->val;
}
err = audit_make_tree(&entry->rule, str, f->op);
kfree(str);
if (err)
goto exit_free;
entry->rule.buflen += f_val;
break;
case AUDIT_INODE:
f->val = f_val;
err = audit_to_inode(&entry->rule, f);
if (err)
goto exit_free;
break;
case AUDIT_FILTERKEY:
if (entry->rule.filterkey || f->val > AUDIT_MAX_KEY_LEN)
if (entry->rule.filterkey || f_val > AUDIT_MAX_KEY_LEN)
goto exit_free;
str = audit_unpack_string(&bufp, &remain, f->val);
if (IS_ERR(str))
goto exit_free;
entry->rule.buflen += f->val;
entry->rule.filterkey = str;
break;
case AUDIT_EXE:
if (entry->rule.exe || f->val > PATH_MAX)
goto exit_free;
str = audit_unpack_string(&bufp, &remain, f->val);
str = audit_unpack_string(&bufp, &remain, f_val);
if (IS_ERR(str)) {
err = PTR_ERR(str);
goto exit_free;
}
entry->rule.buflen += f->val;
audit_mark = audit_alloc_mark(&entry->rule, str, f->val);
entry->rule.buflen += f_val;
entry->rule.filterkey = str;
break;
case AUDIT_EXE:
if (entry->rule.exe || f_val > PATH_MAX)
goto exit_free;
str = audit_unpack_string(&bufp, &remain, f_val);
if (IS_ERR(str)) {
err = PTR_ERR(str);
goto exit_free;
}
audit_mark = audit_alloc_mark(&entry->rule, str, f_val);
if (IS_ERR(audit_mark)) {
kfree(str);
err = PTR_ERR(audit_mark);
goto exit_free;
}
entry->rule.buflen += f_val;
entry->rule.exe = audit_mark;
break;
default:
f->val = f_val;
break;
}
}

2
mm/huge_memory.c
View File

@@ -2095,7 +2095,7 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
unsigned long flags;
pgoff_t end;
VM_BUG_ON_PAGE(is_huge_zero_page(page), page);
VM_BUG_ON_PAGE(is_huge_zero_page(head), head);
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
VM_BUG_ON_PAGE(!PageCompound(page), page);

2
net/core/fib_rules.c
View File

@@ -699,7 +699,7 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
frh = nlmsg_data(nlh);
frh->family = ops->family;
frh->table = rule->table;
frh->table = rule->table < 256 ? rule->table : RT_TABLE_COMPAT;
if (nla_put_u32(skb, FRA_TABLE, rule->table))
goto nla_put_failure;
if (nla_put_u32(skb, FRA_SUPPRESS_PREFIXLEN, rule->suppress_prefixlen))

7
net/ipv6/ip6_fib.c
View File

@@ -784,8 +784,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
found++;
break;
}
if (rt_can_ecmp)
fallback_ins = fallback_ins ?: ins;
fallback_ins = fallback_ins ?: ins;
goto next_iter;
}
@@ -825,7 +824,9 @@ next_iter:
}
if (fallback_ins && !found) {
/* No ECMP-able route found, replace first non-ECMP one */
/* No matching route with same ecmp-able-ness found, replace
* first matching route
*/
ins = fallback_ins;
iter = *ins;
found++;

1
net/ipv6/route.c
View File

@@ -3048,6 +3048,7 @@ static int ip6_route_multipath_add(struct fib6_config *cfg)
*/
cfg->fc_nlinfo.nlh->nlmsg_flags &= ~(NLM_F_EXCL |
NLM_F_REPLACE);
cfg->fc_nlinfo.nlh->nlmsg_flags |= NLM_F_CREATE;
nhn++;
}

18
net/mac80211/util.c
View File

@@ -943,16 +943,22 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action,
elem_parse_failed = true;
break;
case WLAN_EID_VHT_OPERATION:
if (elen >= sizeof(struct ieee80211_vht_operation))
if (elen >= sizeof(struct ieee80211_vht_operation)) {
elems->vht_operation = (void *)pos;
else
elem_parse_failed = true;
if (calc_crc)
crc = crc32_be(crc, pos - 2, elen + 2);
break;
}
elem_parse_failed = true;
break;
case WLAN_EID_OPMODE_NOTIF:
if (elen > 0)
if (elen > 0) {
elems->opmode_notif = pos;
else
elem_parse_failed = true;
if (calc_crc)
crc = crc32_be(crc, pos - 2, elen + 2);
break;
}
elem_parse_failed = true;
break;
case WLAN_EID_MESH_ID:
elems->mesh_id = pos;

5
net/netlink/af_netlink.c
View File

@@ -1003,7 +1003,8 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
if (nlk->netlink_bind && groups) {
int group;
for (group = 0; group < nlk->ngroups; group++) {
/* nl_groups is a u32, so cap the maximum groups we can bind */
for (group = 0; group < BITS_PER_TYPE(u32); group++) {
if (!test_bit(group, &groups))
continue;
err = nlk->netlink_bind(net, group + 1);
@@ -1022,7 +1023,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
netlink_insert(sk, nladdr->nl_pid) :
netlink_autobind(sock);
if (err) {
netlink_undo_bind(nlk->ngroups, groups, sk);
netlink_undo_bind(BITS_PER_TYPE(u32), groups, sk);
return err;
}
}

1
net/sched/cls_flower.c
View File

@@ -141,6 +141,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
if (!atomic_read(&head->ht.nelems))
return -1;
flow_dissector_init_keys(&skb_key.control, &skb_key.basic);
fl_clear_masked_range(&skb_key, &head->mask);
info = skb_tunnel_info(skb);

27
net/sctp/sm_statefuns.c
View File

@@ -177,6 +177,16 @@ sctp_chunk_length_valid(struct sctp_chunk *chunk,
return 1;
}
/* Check for format error in an ABORT chunk */
static inline bool sctp_err_chunk_valid(struct sctp_chunk *chunk)
{
struct sctp_errhdr *err;
sctp_walk_errors(err, chunk->chunk_hdr);
return (void *)err == (void *)chunk->chunk_end;
}
/**********************************************************
* These are the state functions for handling chunk events.
**********************************************************/
@@ -2159,6 +2169,9 @@ sctp_disposition_t sctp_sf_shutdown_pending_abort(
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
if (!sctp_err_chunk_valid(chunk))
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}
@@ -2201,6 +2214,9 @@ sctp_disposition_t sctp_sf_shutdown_sent_abort(struct net *net,
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
if (!sctp_err_chunk_valid(chunk))
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Stop the T2-shutdown timer. */
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T2_SHUTDOWN));
@@ -2466,6 +2482,9 @@ sctp_disposition_t sctp_sf_do_9_1_abort(struct net *net,
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
if (!sctp_err_chunk_valid(chunk))
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}
@@ -2482,15 +2501,9 @@ static sctp_disposition_t __sctp_sf_do_9_1_abort(struct net *net,
/* See if we have an error cause code in the chunk. */
len = ntohs(chunk->chunk_hdr->length);
if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr)) {
sctp_errhdr_t *err;
sctp_walk_errors(err, chunk->chunk_hdr);
if ((void *)err != (void *)chunk->chunk_end)
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr))
error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
}
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNRESET));
/* ASSOC_FAILED will DELETE_TCB. */

8
net/wireless/ethtool.c
View File

@@ -6,9 +6,13 @@
void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct device *pdev = wiphy_dev(wdev->wiphy);
strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name,
sizeof(info->driver));
if (pdev->driver)
strlcpy(info->driver, pdev->driver->name,
sizeof(info->driver));
else
strlcpy(info->driver, "N/A", sizeof(info->driver));
strlcpy(info->version, init_utsname()->release, sizeof(info->version));

1
net/wireless/nl80211.c
View File

@@ -333,6 +333,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 },
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG },
[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
[NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 },
[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
[NL80211_ATTR_PID] = { .type = NLA_U32 },

8
sound/soc/codecs/pcm512x.c
View File

@@ -1441,13 +1441,15 @@ int pcm512x_probe(struct device *dev, struct regmap *regmap)
}
pcm512x->sclk = devm_clk_get(dev, NULL);
if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (PTR_ERR(pcm512x->sclk) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto err;
}
if (!IS_ERR(pcm512x->sclk)) {
ret = clk_prepare_enable(pcm512x->sclk);
if (ret != 0) {
dev_err(dev, "Failed to enable SCLK: %d\n", ret);
return ret;
goto err;
}
}

2
sound/soc/soc-dapm.c
View File

@@ -4363,7 +4363,7 @@ static void soc_dapm_shutdown_dapm(struct snd_soc_dapm_context *dapm)
continue;
if (w->power) {
dapm_seq_insert(w, &down_list, false);
w->power = 0;
w->new_power = 0;
powerdown = 1;
}
}

16
sound/soc/soc-pcm.c
View File

@@ -2979,16 +2979,16 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
ssize_t offset = 0;
/* FE state */
offset += snprintf(buf + offset, size - offset,
offset += scnprintf(buf + offset, size - offset,
"[%s - %s]\n", fe->dai_link->name,
stream ? "Capture" : "Playback");
offset += snprintf(buf + offset, size - offset, "State: %s\n",
offset += scnprintf(buf + offset, size - offset, "State: %s\n",
dpcm_state_string(fe->dpcm[stream].state));
if ((fe->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
(fe->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
offset += snprintf(buf + offset, size - offset,
offset += scnprintf(buf + offset, size - offset,
"Hardware Params: "
"Format = %s, Channels = %d, Rate = %d\n",
snd_pcm_format_name(params_format(params)),
@@ -2996,10 +2996,10 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
params_rate(params));
/* BEs state */
offset += snprintf(buf + offset, size - offset, "Backends:\n");
offset += scnprintf(buf + offset, size - offset, "Backends:\n");
if (list_empty(&fe->dpcm[stream].be_clients)) {
offset += snprintf(buf + offset, size - offset,
offset += scnprintf(buf + offset, size - offset,
" No active DSP links\n");
goto out;
}
@@ -3008,16 +3008,16 @@ static ssize_t dpcm_show_state(struct snd_soc_pcm_runtime *fe,
struct snd_soc_pcm_runtime *be = dpcm->be;
params = &dpcm->hw_params;
offset += snprintf(buf + offset, size - offset,
offset += scnprintf(buf + offset, size - offset,
"- %s\n", be->dai_link->name);
offset += snprintf(buf + offset, size - offset,
offset += scnprintf(buf + offset, size - offset,
" State: %s\n",
dpcm_state_string(be->dpcm[stream].state));
if ((be->dpcm[stream].state >= SND_SOC_DPCM_STATE_HW_PARAMS) &&
(be->dpcm[stream].state <= SND_SOC_DPCM_STATE_STOP))
offset += snprintf(buf + offset, size - offset,
offset += scnprintf(buf + offset, size - offset,
" Hardware Params: "
"Format = %s, Channels = %d, Rate = %d\n",
snd_pcm_format_name(params_format(params)),

1
tools/perf/ui/browsers/hists.c
View File

@@ -2930,6 +2930,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
continue;
}
actions->ms.map = map;
top = pstack__peek(browser->pstack);
if (top == &browser->hists->dso_filter) {
/*

12
virt/kvm/kvm_main.c
View File

@@ -2045,12 +2045,12 @@ int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
if (slots->generation != ghc->generation)
kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa, ghc->len);
if (unlikely(!ghc->memslot))
return kvm_write_guest(kvm, ghc->gpa, data, len);
if (kvm_is_error_hva(ghc->hva))
return -EFAULT;
if (unlikely(!ghc->memslot))
return kvm_write_guest(kvm, ghc->gpa, data, len);
r = __copy_to_user((void __user *)ghc->hva, data, len);
if (r)
return -EFAULT;
@@ -2071,12 +2071,12 @@ int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
if (slots->generation != ghc->generation)
kvm_gfn_to_hva_cache_init(kvm, ghc, ghc->gpa, ghc->len);
if (unlikely(!ghc->memslot))
return kvm_read_guest(kvm, ghc->gpa, data, len);
if (kvm_is_error_hva(ghc->hva))
return -EFAULT;
if (unlikely(!ghc->memslot))
return kvm_read_guest(kvm, ghc->gpa, data, len);
r = __copy_from_user(data, (void __user *)ghc->hva, len);
if (r)
return -EFAULT;