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SubjectRe: Linux 4.4.286
Date
diff --git a/Makefile b/Makefile
index 96cb7da46504..34ad8ef93d40 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 285
+SUBLEVEL = 286
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index 355aec0867f4..e55a5e6ab460 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -60,7 +60,7 @@ extern inline void set_hae(unsigned long new_hae)
* Change virtual addresses to physical addresses and vv.
*/
#ifdef USE_48_BIT_KSEG
-static inline unsigned long virt_to_phys(void *address)
+static inline unsigned long virt_to_phys(volatile void *address)
{
return (unsigned long)address - IDENT_ADDR;
}
@@ -70,7 +70,7 @@ static inline void * phys_to_virt(unsigned long address)
return (void *) (address + IDENT_ADDR);
}
#else
-static inline unsigned long virt_to_phys(void *address)
+static inline unsigned long virt_to_phys(volatile void *address)
{
unsigned long phys = (unsigned long)address;

@@ -111,7 +111,7 @@ static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page)
extern unsigned long __direct_map_base;
extern unsigned long __direct_map_size;

-static inline unsigned long __deprecated virt_to_bus(void *address)
+static inline unsigned long __deprecated virt_to_bus(volatile void *address)
{
unsigned long phys = virt_to_phys(address);
unsigned long bus = phys + __direct_map_base;
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 644f4326b3e7..dee4d691bc58 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -381,7 +381,7 @@ config ARM64_ERRATUM_1024718
help
This option adds work around for Arm Cortex-A55 Erratum 1024718.

- Affected Cortex-A55 cores (r0p0, r0p1, r1p0) could cause incorrect
+ Affected Cortex-A55 cores (all revisions) could cause incorrect
update of the hardware dirty bit when the DBM/AP bits are updated
without a break-before-make. The work around is to disable the usage
of hardware DBM locally on the affected cores. CPUs not affected by
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 10d6627673cb..6cd79888944e 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -55,7 +55,7 @@

#ifdef CONFIG_CC_STACKPROTECTOR
#include <linux/stackprotector.h>
-unsigned long __stack_chk_guard __read_mostly;
+unsigned long __stack_chk_guard __ro_after_init;
EXPORT_SYMBOL(__stack_chk_guard);
#endif

diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index f09636738007..0b095b75abeb 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -222,8 +222,8 @@ ENTRY(__cpu_setup)
cmp x9, #2
b.lt 1f
#ifdef CONFIG_ARM64_ERRATUM_1024718
- /* Disable hardware DBM on Cortex-A55 r0p0, r0p1 & r1p0 */
- cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(1, 0), x1, x2, x3, x4
+ /* Disable hardware DBM on Cortex-A55 all versions */
+ cpu_midr_match MIDR_CORTEX_A55, MIDR_CPU_VAR_REV(0, 0), MIDR_CPU_VAR_REV(0xf, 0xf), x1, x2, x3, x4
cbnz x1, 1f
#endif
orr x10, x10, #TCR_HD // hardware Dirty flag update
diff --git a/arch/m68k/include/asm/raw_io.h b/arch/m68k/include/asm/raw_io.h
index 932faa35655b..2238232c360e 100644
--- a/arch/m68k/include/asm/raw_io.h
+++ b/arch/m68k/include/asm/raw_io.h
@@ -30,21 +30,21 @@ extern void __iounmap(void *addr, unsigned long size);
* two accesses to memory, which may be undesirable for some devices.
*/
#define in_8(addr) \
- ({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
+ ({ u8 __v = (*(__force volatile u8 *) (unsigned long)(addr)); __v; })
#define in_be16(addr) \
- ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
+ ({ u16 __v = (*(__force volatile u16 *) (unsigned long)(addr)); __v; })
#define in_be32(addr) \
- ({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
+ ({ u32 __v = (*(__force volatile u32 *) (unsigned long)(addr)); __v; })
#define in_le16(addr) \
- ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
+ ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (unsigned long)(addr)); __v; })
#define in_le32(addr) \
- ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
+ ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (unsigned long)(addr)); __v; })

-#define out_8(addr,b) (void)((*(__force volatile u8 *) (addr)) = (b))
-#define out_be16(addr,w) (void)((*(__force volatile u16 *) (addr)) = (w))
-#define out_be32(addr,l) (void)((*(__force volatile u32 *) (addr)) = (l))
-#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
-#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
+#define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b))
+#define out_be16(addr,w) (void)((*(__force volatile u16 *) (unsigned long)(addr)) = (w))
+#define out_be32(addr,l) (void)((*(__force volatile u32 *) (unsigned long)(addr)) = (l))
+#define out_le16(addr,w) (void)((*(__force volatile __le16 *) (unsigned long)(addr)) = cpu_to_le16(w))
+#define out_le32(addr,l) (void)((*(__force volatile __le32 *) (unsigned long)(addr)) = cpu_to_le32(l))

#define raw_inb in_8
#define raw_inw in_be16
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index 80e742a1c162..088888fcf8df 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -174,7 +174,7 @@ extern int npmem_ranges;
#include <asm-generic/getorder.h>
#include <asm/pdc.h>

-#define PAGE0 ((struct zeropage *)__PAGE_OFFSET)
+#define PAGE0 ((struct zeropage *)absolute_pointer(__PAGE_OFFSET))

/* DEFINITION OF THE ZERO-PAGE (PAG0) */
/* based on work by Jason Eckhardt (jason@equator.com) */
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 6f80936e0eea..75445ba7e237 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -37,6 +37,7 @@ struct mdesc_hdr {
u32 node_sz; /* node block size */
u32 name_sz; /* name block size */
u32 data_sz; /* data block size */
+ char data[];
} __attribute__((aligned(16)));

struct mdesc_elem {
@@ -369,7 +370,7 @@ out:

static struct mdesc_elem *node_block(struct mdesc_hdr *mdesc)
{
- return (struct mdesc_elem *) (mdesc + 1);
+ return (struct mdesc_elem *) mdesc->data;
}

static void *name_block(struct mdesc_hdr *mdesc)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 79aff24eed65..28725a6ed5de 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -861,8 +861,8 @@ static void xen_write_idt_entry(gate_desc *dt, int entrynum, const gate_desc *g)
preempt_enable();
}

-static void xen_convert_trap_info(const struct desc_ptr *desc,
- struct trap_info *traps)
+static unsigned xen_convert_trap_info(const struct desc_ptr *desc,
+ struct trap_info *traps, bool full)
{
unsigned in, out, count;

@@ -872,17 +872,18 @@ static void xen_convert_trap_info(const struct desc_ptr *desc,
for (in = out = 0; in < count; in++) {
gate_desc *entry = (gate_desc*)(desc->address) + in;

- if (cvt_gate_to_trap(in, entry, &traps[out]))
+ if (cvt_gate_to_trap(in, entry, &traps[out]) || full)
out++;
}
- traps[out].address = 0;
+
+ return out;
}

void xen_copy_trap_info(struct trap_info *traps)
{
const struct desc_ptr *desc = this_cpu_ptr(&idt_desc);

- xen_convert_trap_info(desc, traps);
+ xen_convert_trap_info(desc, traps, true);
}

/* Load a new IDT into Xen. In principle this can be per-CPU, so we
@@ -892,6 +893,7 @@ static void xen_load_idt(const struct desc_ptr *desc)
{
static DEFINE_SPINLOCK(lock);
static struct trap_info traps[257];
+ unsigned out;

trace_xen_cpu_load_idt(desc);

@@ -899,7 +901,8 @@ static void xen_load_idt(const struct desc_ptr *desc)

memcpy(this_cpu_ptr(&idt_desc), desc, sizeof(idt_desc));

- xen_convert_trap_info(desc, traps);
+ out = xen_convert_trap_info(desc, traps, false);
+ memset(&traps[out], 0, sizeof(traps[0]));

xen_mc_flush();
if (HYPERVISOR_set_trap_table(traps))
diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index fc153aea2f6c..091f03852dca 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c
@@ -371,7 +371,7 @@ static int synps_edac_init_csrows(struct mem_ctl_info *mci)

for (j = 0; j < csi->nr_channels; j++) {
dimm = csi->channels[j]->dimm;
- dimm->edac_mode = EDAC_FLAG_SECDED;
+ dimm->edac_mode = EDAC_SECDED;
dimm->mtype = synps_edac_get_mtype(priv->baseaddr);
dimm->nr_pages = (size >> PAGE_SHIFT) / csi->nr_channels;
dimm->grain = SYNPS_EDAC_ERR_GRAIN;
diff --git a/drivers/hid/hid-betopff.c b/drivers/hid/hid-betopff.c
index 69cfc8dc6af1..9b60efe6ec44 100644
--- a/drivers/hid/hid-betopff.c
+++ b/drivers/hid/hid-betopff.c
@@ -59,15 +59,22 @@ static int betopff_init(struct hid_device *hid)
{
struct betopff_device *betopff;
struct hid_report *report;
- struct hid_input *hidinput =
- list_first_entry(&hid->inputs, struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int field_count = 0;
int error;
int i, j;

+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+
+ hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index d51fc2be0e10..c7da6ec4d923 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -500,7 +500,7 @@ static void hid_ctrl(struct urb *urb)

if (unplug) {
usbhid->ctrltail = usbhid->ctrlhead;
- } else {
+ } else if (usbhid->ctrlhead != usbhid->ctrltail) {
usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1);

if (usbhid->ctrlhead != usbhid->ctrltail &&
@@ -1185,9 +1185,20 @@ static void usbhid_stop(struct hid_device *hid)
usbhid->intf->needs_remote_wakeup = 0;

clear_bit(HID_STARTED, &usbhid->iofl);
+
spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */
set_bit(HID_DISCONNECTED, &usbhid->iofl);
+ while (usbhid->ctrltail != usbhid->ctrlhead) {
+ if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_OUT) {
+ kfree(usbhid->ctrl[usbhid->ctrltail].raw_report);
+ usbhid->ctrl[usbhid->ctrltail].raw_report = NULL;
+ }
+
+ usbhid->ctrltail = (usbhid->ctrltail + 1) &
+ (HID_CONTROL_FIFO_SIZE - 1);
+ }
spin_unlock_irq(&usbhid->lock);
+
usb_kill_urb(usbhid->urbin);
usb_kill_urb(usbhid->urbout);
usb_kill_urb(usbhid->urbctrl);
diff --git a/drivers/ipack/devices/ipoctal.c b/drivers/ipack/devices/ipoctal.c
index 035d5449227e..c1175464064b 100644
--- a/drivers/ipack/devices/ipoctal.c
+++ b/drivers/ipack/devices/ipoctal.c
@@ -38,6 +38,7 @@ struct ipoctal_channel {
unsigned int pointer_read;
unsigned int pointer_write;
struct tty_port tty_port;
+ bool tty_registered;
union scc2698_channel __iomem *regs;
union scc2698_block __iomem *block_regs;
unsigned int board_id;
@@ -86,22 +87,34 @@ static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty)
return 0;
}

-static int ipoctal_open(struct tty_struct *tty, struct file *file)
+static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty)
{
struct ipoctal_channel *channel = dev_get_drvdata(tty->dev);
struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index);
- int err;
-
- tty->driver_data = channel;
+ int res;

if (!ipack_get_carrier(ipoctal->dev))
return -EBUSY;

- err = tty_port_open(&channel->tty_port, tty, file);
- if (err)
- ipack_put_carrier(ipoctal->dev);
+ res = tty_standard_install(driver, tty);
+ if (res)
+ goto err_put_carrier;
+
+ tty->driver_data = channel;
+
+ return 0;
+
+err_put_carrier:
+ ipack_put_carrier(ipoctal->dev);
+
+ return res;
+}
+
+static int ipoctal_open(struct tty_struct *tty, struct file *file)
+{
+ struct ipoctal_channel *channel = tty->driver_data;

- return err;
+ return tty_port_open(&channel->tty_port, tty, file);
}

static void ipoctal_reset_stats(struct ipoctal_stats *stats)
@@ -269,7 +282,6 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
int res;
int i;
struct tty_driver *tty;
- char name[20];
struct ipoctal_channel *channel;
struct ipack_region *region;
void __iomem *addr;
@@ -360,8 +372,11 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
/* Fill struct tty_driver with ipoctal data */
tty->owner = THIS_MODULE;
tty->driver_name = KBUILD_MODNAME;
- sprintf(name, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
- tty->name = name;
+ tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
+ if (!tty->name) {
+ res = -ENOMEM;
+ goto err_put_driver;
+ }
tty->major = 0;

tty->minor_start = 0;
@@ -377,8 +392,7 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
res = tty_register_driver(tty);
if (res) {
dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n");
- put_tty_driver(tty);
- return res;
+ goto err_free_name;
}

/* Save struct tty_driver for use it when uninstalling the device */
@@ -389,7 +403,9 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,

channel = &ipoctal->channel[i];
tty_port_init(&channel->tty_port);
- tty_port_alloc_xmit_buf(&channel->tty_port);
+ res = tty_port_alloc_xmit_buf(&channel->tty_port);
+ if (res)
+ continue;
channel->tty_port.ops = &ipoctal_tty_port_ops;

ipoctal_reset_stats(&channel->stats);
@@ -397,13 +413,15 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
spin_lock_init(&channel->lock);
channel->pointer_read = 0;
channel->pointer_write = 0;
- tty_dev = tty_port_register_device(&channel->tty_port, tty, i, NULL);
+ tty_dev = tty_port_register_device_attr(&channel->tty_port, tty,
+ i, NULL, channel, NULL);
if (IS_ERR(tty_dev)) {
dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n");
+ tty_port_free_xmit_buf(&channel->tty_port);
tty_port_destroy(&channel->tty_port);
continue;
}
- dev_set_drvdata(tty_dev, channel);
+ channel->tty_registered = true;
}

/*
@@ -415,6 +433,13 @@ static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
ipoctal_irq_handler, ipoctal);

return 0;
+
+err_free_name:
+ kfree(tty->name);
+err_put_driver:
+ put_tty_driver(tty);
+
+ return res;
}

static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
@@ -656,6 +681,7 @@ static void ipoctal_cleanup(struct tty_struct *tty)

static const struct tty_operations ipoctal_fops = {
.ioctl = NULL,
+ .install = ipoctal_install,
.open = ipoctal_open,
.close = ipoctal_close,
.write = ipoctal_write_tty,
@@ -698,12 +724,17 @@ static void __ipoctal_remove(struct ipoctal *ipoctal)

for (i = 0; i < NR_CHANNELS; i++) {
struct ipoctal_channel *channel = &ipoctal->channel[i];
+
+ if (!channel->tty_registered)
+ continue;
+
tty_unregister_device(ipoctal->tty_drv, i);
tty_port_free_xmit_buf(&channel->tty_port);
tty_port_destroy(&channel->tty_port);
}

tty_unregister_driver(ipoctal->tty_drv);
+ kfree(ipoctal->tty_drv->name);
put_tty_driver(ipoctal->tty_drv);
kfree(ipoctal);
}
diff --git a/drivers/net/ethernet/i825xx/82596.c b/drivers/net/ethernet/i825xx/82596.c
index 7ce6379fd1a3..1500027ae18b 100644
--- a/drivers/net/ethernet/i825xx/82596.c
+++ b/drivers/net/ethernet/i825xx/82596.c
@@ -1155,7 +1155,7 @@ struct net_device * __init i82596_probe(int unit)
err = -ENODEV;
goto out;
}
- memcpy(eth_addr, (void *) 0xfffc1f2c, ETH_ALEN); /* YUCK! Get addr from NOVRAM */
+ memcpy(eth_addr, absolute_pointer(0xfffc1f2c), ETH_ALEN); /* YUCK! Get addr from NOVRAM */
dev->base_addr = MVME_I596_BASE;
dev->irq = (unsigned) MVME16x_IRQ_I596;
goto found;
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 9035cb5fc70d..aa556e4f9051 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -2462,11 +2462,15 @@ static void e100_get_drvinfo(struct net_device *netdev,
sizeof(info->bus_info));
}

-#define E100_PHY_REGS 0x1C
+#define E100_PHY_REGS 0x1D
static int e100_get_regs_len(struct net_device *netdev)
{
struct nic *nic = netdev_priv(netdev);
- return 1 + E100_PHY_REGS + sizeof(nic->mem->dump_buf);
+
+ /* We know the number of registers, and the size of the dump buffer.
+ * Calculate the total size in bytes.
+ */
+ return (1 + E100_PHY_REGS) * sizeof(u32) + sizeof(nic->mem->dump_buf);
}

static void e100_get_regs(struct net_device *netdev,
@@ -2480,14 +2484,18 @@ static void e100_get_regs(struct net_device *netdev,
buff[0] = ioread8(&nic->csr->scb.cmd_hi) << 24 |
ioread8(&nic->csr->scb.cmd_lo) << 16 |
ioread16(&nic->csr->scb.status);
- for (i = E100_PHY_REGS; i >= 0; i--)
- buff[1 + E100_PHY_REGS - i] =
- mdio_read(netdev, nic->mii.phy_id, i);
+ for (i = 0; i < E100_PHY_REGS; i++)
+ /* Note that we read the registers in reverse order. This
+ * ordering is the ABI apparently used by ethtool and other
+ * applications.
+ */
+ buff[1 + i] = mdio_read(netdev, nic->mii.phy_id,
+ E100_PHY_REGS - 1 - i);
memset(nic->mem->dump_buf, 0, sizeof(nic->mem->dump_buf));
e100_exec_cb(nic, NULL, e100_dump);
msleep(10);
- memcpy(&buff[2 + E100_PHY_REGS], nic->mem->dump_buf,
- sizeof(nic->mem->dump_buf));
+ memcpy(&buff[1 + E100_PHY_REGS], nic->mem->dump_buf,
+ sizeof(nic->mem->dump_buf));
}

static void e100_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 112ce16717cd..b9014ec73b67 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -311,6 +311,9 @@ mlx4_en_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb,
int nhoff = skb_network_offset(skb);
int ret = 0;

+ if (skb->encapsulation)
+ return -EPROTONOSUPPORT;
+
if (skb->protocol != htons(ETH_P_IP))
return -EPROTONOSUPPORT;

diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index cce901add654..908de9e45394 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -68,9 +68,9 @@
#define SIXP_DAMA_OFF 0

/* default level 2 parameters */
-#define SIXP_TXDELAY (HZ/4) /* in 1 s */
+#define SIXP_TXDELAY 25 /* 250 ms */
#define SIXP_PERSIST 50 /* in 256ths */
-#define SIXP_SLOTTIME (HZ/10) /* in 1 s */
+#define SIXP_SLOTTIME 10 /* 100 ms */
#define SIXP_INIT_RESYNC_TIMEOUT (3*HZ/2) /* in 1 s */
#define SIXP_RESYNC_TIMEOUT 5*HZ /* in 1 s */

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 5d988829f7d5..e6f272019da0 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2729,14 +2729,14 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,

serial = kzalloc(sizeof(*serial), GFP_KERNEL);
if (!serial)
- goto exit;
+ goto err_free_dev;

hso_dev->port_data.dev_serial = serial;
serial->parent = hso_dev;

if (hso_serial_common_create
(serial, 1, CTRL_URB_RX_SIZE, CTRL_URB_TX_SIZE))
- goto exit;
+ goto err_free_serial;

serial->tx_data_length--;
serial->write_data = hso_mux_serial_write_data;
@@ -2752,11 +2752,9 @@ struct hso_device *hso_create_mux_serial_device(struct usb_interface *interface,
/* done, return it */
return hso_dev;

-exit:
- if (serial) {
- tty_unregister_device(tty_drv, serial->minor);
- kfree(serial);
- }
+err_free_serial:
+ kfree(serial);
+err_free_dev:
kfree(hso_dev);
return NULL;

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 39d03300d3d9..9906a3b562e9 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -429,9 +429,7 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
struct iscsi_transport *t = iface->transport;
int param = -1;

- if (attr == &dev_attr_iface_enabled.attr)
- param = ISCSI_NET_PARAM_IFACE_ENABLE;
- else if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
+ if (attr == &dev_attr_iface_def_taskmgmt_tmo.attr)
param = ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO;
else if (attr == &dev_attr_iface_header_digest.attr)
param = ISCSI_IFACE_PARAM_HDRDGST_EN;
@@ -471,7 +469,9 @@ static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj,
if (param != -1)
return t->attr_is_visible(ISCSI_IFACE_PARAM, param);

- if (attr == &dev_attr_iface_vlan_id.attr)
+ if (attr == &dev_attr_iface_enabled.attr)
+ param = ISCSI_NET_PARAM_IFACE_ENABLE;
+ else if (attr == &dev_attr_iface_vlan_id.attr)
param = ISCSI_NET_PARAM_VLAN_ID;
else if (attr == &dev_attr_iface_vlan_priority.attr)
param = ISCSI_NET_PARAM_VLAN_PRIORITY;
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 9f14560686b6..88bfe7682a9e 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1210,7 +1210,7 @@ static int tegra_slink_resume(struct device *dev)
}
#endif

-static int tegra_slink_runtime_suspend(struct device *dev)
+static int __maybe_unused tegra_slink_runtime_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_slink_data *tspi = spi_master_get_devdata(master);
@@ -1222,7 +1222,7 @@ static int tegra_slink_runtime_suspend(struct device *dev)
return 0;
}

-static int tegra_slink_runtime_resume(struct device *dev)
+static int __maybe_unused tegra_slink_runtime_resume(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
struct tegra_slink_data *tspi = spi_master_get_devdata(master);
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 9f479b4c6491..0fab196a1d90 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -882,8 +882,25 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
new_row_size = new_cols << 1;
new_screen_size = new_row_size * new_rows;

- if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
- return 0;
+ if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) {
+ /*
+ * This function is being called here to cover the case
+ * where the userspace calls the FBIOPUT_VSCREENINFO twice,
+ * passing the same fb_var_screeninfo containing the fields
+ * yres/xres equal to a number non-multiple of vc_font.height
+ * and yres_virtual/xres_virtual equal to number lesser than the
+ * vc_font.height and yres/xres.
+ * In the second call, the struct fb_var_screeninfo isn't
+ * being modified by the underlying driver because of the
+ * if above, and this causes the fbcon_display->vrows to become
+ * negative and it eventually leads to out-of-bound
+ * access by the imageblit function.
+ * To give the correct values to the struct and to not have
+ * to deal with possible errors from the code below, we call
+ * the resize_screen here as well.
+ */
+ return resize_screen(vc, new_cols, new_rows, user);
+ }

if (new_screen_size > (4 << 20))
return -EINVAL;
diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c
index 4eb8e181763d..ffe6cb4c78ff 100644
--- a/drivers/usb/gadget/udc/r8a66597-udc.c
+++ b/drivers/usb/gadget/udc/r8a66597-udc.c
@@ -1253,7 +1253,7 @@ static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)
do {
tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;
udelay(1);
- } while (tmp != CS_IDST || timeout-- > 0);
+ } while (tmp != CS_IDST && timeout-- > 0);

if (tmp == CS_IDST)
r8a66597_bset(r8a66597,
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index df7c9f46be54..85a57385958f 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -193,6 +193,7 @@ tusb_fifo_write_unaligned(void __iomem *fifo, const u8 *buf, u16 len)
}
if (len > 0) {
/* Write the rest 1 - 3 bytes to FIFO */
+ val = 0;
memcpy(&val, buf, len);
musb_writel(fifo, 0, val);
}
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f039b85d5f57..0fbdfea7ec2c 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -230,6 +230,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */
{ USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */
{ USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */
+ { USB_DEVICE(0x2184, 0x0030) }, /* GW Instek GDM-834x Digital Multimeter */
{ USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */
{ USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */
{ USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 7a9b9542882f..8a94c85428d9 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -126,7 +126,6 @@
#define BANDB_DEVICE_ID_USOPTL4_2P 0xBC02
#define BANDB_DEVICE_ID_USOPTL4_4 0xAC44
#define BANDB_DEVICE_ID_USOPTL4_4P 0xBC03
-#define BANDB_DEVICE_ID_USOPTL2_4 0xAC24

/* This driver also supports
* ATEN UC2324 device using Moschip MCS7840
@@ -207,7 +206,6 @@ static const struct usb_device_id id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2P)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4P)},
- {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4)},
{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)},
{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)},
{USB_DEVICE(USB_VENDOR_ID_MOXA, MOXA_DEVICE_ID_2210)},
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 02ded56bcbc6..ec8ad931f41e 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1187,6 +1187,14 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1056, 0xff), /* Telit FD980 */
.driver_info = NCTRL(2) | RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1060, 0xff), /* Telit LN920 (rmnet) */
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1061, 0xff), /* Telit LN920 (MBIM) */
+ .driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1062, 0xff), /* Telit LN920 (RNDIS) */
+ .driver_info = NCTRL(2) | RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */
+ .driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -1632,7 +1640,6 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0060, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0070, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0073, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0130, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0133, 0xff, 0xff, 0xff),
@@ -2052,6 +2059,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
{ USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */
.driver_info = RSVD(0) | RSVD(1) | RSVD(6) },
+ { USB_DEVICE_INTERFACE_CLASS(0x0489, 0xe0db, 0xff), /* Foxconn T99W265 MBIM */
+ .driver_info = RSVD(3) },
{ USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 (IOT version) */
.driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 71c9ed70aa68..cda22b312a4c 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2961,9 +2961,10 @@ cifs_match_super(struct super_block *sb, void *data)
spin_lock(&cifs_tcp_ses_lock);
cifs_sb = CIFS_SB(sb);
tlink = cifs_get_tlink(cifs_sb_master_tlink(cifs_sb));
- if (IS_ERR(tlink)) {
+ if (tlink == NULL) {
+ /* can not match superblock if tlink were ever null */
spin_unlock(&cifs_tcp_ses_lock);
- return rc;
+ return 0;
}
tcon = tlink_tcon(tlink);
ses = tcon->ses;
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 7b626e942987..96dc313d6251 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -521,7 +521,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
struct dir_private_info *info = file->private_data;
struct inode *inode = file_inode(file);
struct fname *fname;
- int ret;
+ int ret = 0;

if (!info) {
info = ext4_htree_create_dir_info(file, ctx->pos);
@@ -569,7 +569,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
info->curr_minor_hash,
&info->next_hash);
if (ret < 0)
- return ret;
+ goto finished;
if (ret == 0) {
ctx->pos = ext4_get_htree_eof(file);
break;
@@ -600,7 +600,7 @@ static int ext4_dx_readdir(struct file *file, struct dir_context *ctx)
}
finished:
info->last_pos = ctx->pos;
- return 0;
+ return ret < 0 ? ret : 0;
}

static int ext4_dir_open(struct inode * inode, struct file * filp)
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index b218f965817b..613cc38c9efa 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -14,13 +14,48 @@
#include <linux/buffer_head.h>
#include "qnx4.h"

+/*
+ * A qnx4 directory entry is an inode entry or link info
+ * depending on the status field in the last byte. The
+ * first byte is where the name start either way, and a
+ * zero means it's empty.
+ *
+ * Also, due to a bug in gcc, we don't want to use the
+ * real (differently sized) name arrays in the inode and
+ * link entries, but always the 'de_name[]' one in the
+ * fake struct entry.
+ *
+ * See
+ *
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578#c6
+ *
+ * for details, but basically gcc will take the size of the
+ * 'name' array from one of the used union entries randomly.
+ *
+ * This use of 'de_name[]' (48 bytes) avoids the false positive
+ * warnings that would happen if gcc decides to use 'inode.di_name'
+ * (16 bytes) even when the pointer and size were to come from
+ * 'link.dl_name' (48 bytes).
+ *
+ * In all cases the actual name pointer itself is the same, it's
+ * only the gcc internal 'what is the size of this field' logic
+ * that can get confused.
+ */
+union qnx4_directory_entry {
+ struct {
+ const char de_name[48];
+ u8 de_pad[15];
+ u8 de_status;
+ };
+ struct qnx4_inode_entry inode;
+ struct qnx4_link_info link;
+};
+
static int qnx4_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
unsigned int offset;
struct buffer_head *bh;
- struct qnx4_inode_entry *de;
- struct qnx4_link_info *le;
unsigned long blknum;
int ix, ino;
int size;
@@ -37,27 +72,27 @@ static int qnx4_readdir(struct file *file, struct dir_context *ctx)
}
ix = (ctx->pos >> QNX4_DIR_ENTRY_SIZE_BITS) % QNX4_INODES_PER_BLOCK;
for (; ix < QNX4_INODES_PER_BLOCK; ix++, ctx->pos += QNX4_DIR_ENTRY_SIZE) {
+ union qnx4_directory_entry *de;
+
offset = ix * QNX4_DIR_ENTRY_SIZE;
- de = (struct qnx4_inode_entry *) (bh->b_data + offset);
- if (!de->di_fname[0])
+ de = (union qnx4_directory_entry *) (bh->b_data + offset);
+
+ if (!de->de_name[0])
continue;
- if (!(de->di_status & (QNX4_FILE_USED|QNX4_FILE_LINK)))
+ if (!(de->de_status & (QNX4_FILE_USED|QNX4_FILE_LINK)))
continue;
- if (!(de->di_status & QNX4_FILE_LINK))
- size = QNX4_SHORT_NAME_MAX;
- else
- size = QNX4_NAME_MAX;
- size = strnlen(de->di_fname, size);
- QNX4DEBUG((KERN_INFO "qnx4_readdir:%.*s\n", size, de->di_fname));
- if (!(de->di_status & QNX4_FILE_LINK))
+ if (!(de->de_status & QNX4_FILE_LINK)) {
+ size = sizeof(de->inode.di_fname);
ino = blknum * QNX4_INODES_PER_BLOCK + ix - 1;
- else {
- le = (struct qnx4_link_info*)de;
- ino = ( le32_to_cpu(le->dl_inode_blk) - 1 ) *
+ } else {
+ size = sizeof(de->link.dl_fname);
+ ino = ( le32_to_cpu(de->link.dl_inode_blk) - 1 ) *
QNX4_INODES_PER_BLOCK +
- le->dl_inode_ndx;
+ de->link.dl_inode_ndx;
}
- if (!dir_emit(ctx, de->di_fname, size, ino, DT_UNKNOWN)) {
+ size = strnlen(de->de_name, size);
+ QNX4DEBUG((KERN_INFO "qnx4_readdir:%.*s\n", size, name));
+ if (!dir_emit(ctx, de->de_name, size, ino, DT_UNKNOWN)) {
brelse(bh);
return 0;
}
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 7cabe0cc8665..bc8077e5e688 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -208,6 +208,8 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
(typeof(ptr)) (__ptr + (off)); })
#endif

+#define absolute_pointer(val) RELOC_HIDE((void *)(val), 0)
+
#ifndef OPTIMIZER_HIDE_VAR
#define OPTIMIZER_HIDE_VAR(var) barrier()
#endif
diff --git a/include/linux/cred.h b/include/linux/cred.h
index d2db1da3036c..ee2b36cdb80d 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -243,7 +243,7 @@ static inline struct cred *get_new_cred(struct cred *cred)
* @cred: The credentials to reference
*
* Get a reference on the specified set of credentials. The caller must
- * release the reference.
+ * release the reference. If %NULL is passed, it is returned with no action.
*
* This is used to deal with a committed set of credentials. Although the
* pointer is const, this will temporarily discard the const and increment the
@@ -254,6 +254,8 @@ static inline struct cred *get_new_cred(struct cred *cred)
static inline const struct cred *get_cred(const struct cred *cred)
{
struct cred *nonconst_cred = (struct cred *) cred;
+ if (!cred)
+ return cred;
validate_creds(cred);
nonconst_cred->non_rcu = 0;
return get_new_cred(nonconst_cred);
@@ -264,7 +266,7 @@ static inline const struct cred *get_cred(const struct cred *cred)
* @cred: The credentials to release
*
* Release a reference to a set of credentials, deleting them when the last ref
- * is released.
+ * is released. If %NULL is passed, nothing is done.
*
* This takes a const pointer to a set of credentials because the credentials
* on task_struct are attached by const pointers to prevent accidental
@@ -274,9 +276,11 @@ static inline void put_cred(const struct cred *_cred)
{
struct cred *cred = (struct cred *) _cred;

- validate_creds(cred);
- if (atomic_dec_and_test(&(cred)->usage))
- __put_cred(cred);
+ if (cred) {
+ validate_creds(cred);
+ if (atomic_dec_and_test(&(cred)->usage))
+ __put_cred(cred);
+ }
}

/**
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 8ac3663e0012..c142e100840e 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1581,6 +1581,14 @@ static int blk_trace_remove_queue(struct request_queue *q)
if (bt == NULL)
return -EINVAL;

+ if (bt->trace_state == Blktrace_running) {
+ bt->trace_state = Blktrace_stopped;
+ spin_lock_irq(&running_trace_lock);
+ list_del_init(&bt->running_list);
+ spin_unlock_irq(&running_trace_lock);
+ relay_flush(bt->rchan);
+ }
+
put_probe_ref();
synchronize_rcu();
blk_trace_free(bt);
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 921115327ec8..3884bb1a59dd 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -519,6 +519,9 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx,
return RX_DROP_UNUSABLE;
}

+ /* reload hdr - skb might have been reallocated */
+ hdr = (void *)rx->skb->data;
+
data_len = skb->len - hdrlen - IEEE80211_CCMP_HDR_LEN - mic_len;
if (!rx->sta || data_len < 0)
return RX_DROP_UNUSABLE;
@@ -751,6 +754,9 @@ ieee80211_crypto_gcmp_decrypt(struct ieee80211_rx_data *rx)
return RX_DROP_UNUSABLE;
}

+ /* reload hdr - skb might have been reallocated */
+ hdr = (void *)rx->skb->data;
+
data_len = skb->len - hdrlen - IEEE80211_GCMP_HDR_LEN - mic_len;
if (!rx->sta || data_len < 0)
return RX_DROP_UNUSABLE;
diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index da0aa720da6f..7b69d1ad8f3e 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -102,11 +102,11 @@ htable_size(u8 hbits)
{
size_t hsize;

- /* We must fit both into u32 in jhash and size_t */
+ /* We must fit both into u32 in jhash and INT_MAX in kvmalloc_node() */
if (hbits > 31)
return 0;
hsize = jhash_size(hbits);
- if ((((size_t)-1) - sizeof(struct htable)) / sizeof(struct hbucket *)
+ if ((INT_MAX - sizeof(struct htable)) / sizeof(struct hbucket *)
< hsize)
return 0;

diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 85ca189bdc3d..de196dd95dcd 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -1368,6 +1368,10 @@ int __init ip_vs_conn_init(void)
int idx;

/* Compute size and mask */
+ if (ip_vs_conn_tab_bits < 8 || ip_vs_conn_tab_bits > 20) {
+ pr_info("conn_tab_bits not in [8, 20]. Using default value\n");
+ ip_vs_conn_tab_bits = CONFIG_IP_VS_TAB_BITS;
+ }
ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
ip_vs_conn_tab_mask = ip_vs_conn_tab_size - 1;

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