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Message-ID: <20180217132441.GB15213@kroah.com>
Date: Sat, 17 Feb 2018 14:24:41 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 3.18.95
diff --git a/Makefile b/Makefile
index 03a5b7e2076c..c550d72f10fa 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 18
-SUBLEVEL = 94
+SUBLEVEL = 95
EXTRAVERSION =
NAME = Diseased Newt
diff --git a/arch/alpha/kernel/pci_impl.h b/arch/alpha/kernel/pci_impl.h
index 2b0ac429f5eb..412bb3c24f36 100644
--- a/arch/alpha/kernel/pci_impl.h
+++ b/arch/alpha/kernel/pci_impl.h
@@ -143,7 +143,8 @@ struct pci_iommu_arena
};
#if defined(CONFIG_ALPHA_SRM) && \
- (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA))
+ (defined(CONFIG_ALPHA_CIA) || defined(CONFIG_ALPHA_LCA) || \
+ defined(CONFIG_ALPHA_AVANTI))
# define NEED_SRM_SAVE_RESTORE
#else
# undef NEED_SRM_SAVE_RESTORE
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 1941a07b5811..86c1c4fd5246 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -274,12 +274,13 @@ copy_thread(unsigned long clone_flags, unsigned long usp,
application calling fork. */
if (clone_flags & CLONE_SETTLS)
childti->pcb.unique = regs->r20;
+ else
+ regs->r20 = 0; /* OSF/1 has some strange fork() semantics. */
childti->pcb.usp = usp ?: rdusp();
*childregs = *regs;
childregs->r0 = 0;
childregs->r19 = 0;
childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */
- regs->r20 = 0;
stack = ((struct switch_stack *) regs) - 1;
*childstack = *stack;
childstack->r26 = (unsigned long) ret_from_fork;
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index e21ef830a483..8cd6eae4e89b 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -33,6 +33,10 @@ CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_NET_KEY=y
CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
CONFIG_RFKILL_REGULATOR=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
@@ -170,6 +174,9 @@ CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_CRAMFS=y
CONFIG_ROMFS_FS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
diff --git a/arch/mn10300/mm/misalignment.c b/arch/mn10300/mm/misalignment.c
index b9920b1edd5a..70cef54dc40f 100644
--- a/arch/mn10300/mm/misalignment.c
+++ b/arch/mn10300/mm/misalignment.c
@@ -437,7 +437,7 @@ transfer_failed:
info.si_signo = SIGSEGV;
info.si_errno = 0;
- info.si_code = 0;
+ info.si_code = SEGV_MAPERR;
info.si_addr = (void *) regs->pc;
force_sig_info(SIGSEGV, &info, current);
return;
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index 3d3f6062f49c..605a284922fb 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -302,12 +302,12 @@ asmlinkage void do_unaligned_access(struct pt_regs *regs, unsigned long address)
siginfo_t info;
if (user_mode(regs)) {
- /* Send a SIGSEGV */
- info.si_signo = SIGSEGV;
+ /* Send a SIGBUS */
+ info.si_signo = SIGBUS;
info.si_errno = 0;
- /* info.si_code has been set above */
- info.si_addr = (void *)address;
- force_sig_info(SIGSEGV, &info, current);
+ info.si_code = BUS_ADRALN;
+ info.si_addr = (void __user *)address;
+ force_sig_info(SIGBUS, &info, current);
} else {
printk("KERNEL: Unaligned Access 0x%.8lx\n", address);
show_registers(regs);
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index ff639342a8be..c5b997757988 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -607,7 +607,8 @@ asmlinkage void do_divide_error(unsigned long r4)
break;
}
- force_sig_info(SIGFPE, &info, current);
+ info.si_signo = SIGFPE;
+ force_sig_info(info.si_signo, &info, current);
}
#endif
diff --git a/arch/xtensa/include/asm/futex.h b/arch/xtensa/include/asm/futex.h
index b39531babec0..72bfc1cbc2b5 100644
--- a/arch/xtensa/include/asm/futex.h
+++ b/arch/xtensa/include/asm/futex.h
@@ -109,7 +109,6 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
u32 oldval, u32 newval)
{
int ret = 0;
- u32 prev;
if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
return -EFAULT;
@@ -120,26 +119,24 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
__asm__ __volatile__ (
" # futex_atomic_cmpxchg_inatomic\n"
- "1: l32i %1, %3, 0\n"
- " mov %0, %5\n"
- " wsr %1, scompare1\n"
- "2: s32c1i %0, %3, 0\n"
- "3:\n"
+ " wsr %5, scompare1\n"
+ "1: s32c1i %1, %4, 0\n"
+ " s32i %1, %6, 0\n"
+ "2:\n"
" .section .fixup,\"ax\"\n"
" .align 4\n"
- "4: .long 3b\n"
- "5: l32r %1, 4b\n"
- " movi %0, %6\n"
+ "3: .long 2b\n"
+ "4: l32r %1, 3b\n"
+ " movi %0, %7\n"
" jx %1\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .long 1b,5b,2b,5b\n"
+ " .long 1b,4b\n"
" .previous\n"
- : "+r" (ret), "=&r" (prev), "+m" (*uaddr)
- : "r" (uaddr), "r" (oldval), "r" (newval), "I" (-EFAULT)
+ : "+r" (ret), "+r" (newval), "+m" (*uaddr), "+m" (*uval)
+ : "r" (uaddr), "r" (oldval), "r" (uval), "I" (-EFAULT)
: "memory");
- *uval = prev;
return ret;
}
diff --git a/crypto/ahash.c b/crypto/ahash.c
index a11220e78152..0735529ea082 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -636,5 +636,16 @@ struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
}
EXPORT_SYMBOL_GPL(ahash_attr_alg);
+bool crypto_hash_alg_has_setkey(struct hash_alg_common *halg)
+{
+ struct crypto_alg *alg = &halg->base;
+
+ if (alg->cra_type != &crypto_ahash_type)
+ return crypto_shash_alg_has_setkey(__crypto_shash_alg(alg));
+
+ return __crypto_ahash_alg(alg)->setkey != NULL;
+}
+EXPORT_SYMBOL_GPL(crypto_hash_alg_has_setkey);
+
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Asynchronous cryptographic hash type");
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index fb0d140065e2..828ead458c09 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -618,7 +618,8 @@ static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
inst->alg.finup = cryptd_hash_finup_enqueue;
inst->alg.export = cryptd_hash_export;
inst->alg.import = cryptd_hash_import;
- inst->alg.setkey = cryptd_hash_setkey;
+ if (crypto_shash_alg_has_setkey(salg))
+ inst->alg.setkey = cryptd_hash_setkey;
inst->alg.digest = cryptd_hash_digest_enqueue;
err = ahash_register_instance(tmpl, inst);
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index bf034f8b7c1a..030ab2f543df 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -309,8 +309,8 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
device->driver_data = hc;
acpi_ec_add_query_handler(hc->ec, hc->query_bit, NULL, smbus_alarm, hc);
- printk(KERN_INFO PREFIX "SBS HC: EC = 0x%p, offset = 0x%0x, query_bit = 0x%0x\n",
- hc->ec, hc->offset, hc->query_bit);
+ dev_info(&device->dev, "SBS HC: offset = 0x%0x, query_bit = 0x%0x\n",
+ hc->offset, hc->query_bit);
return 0;
}
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 09e628dafd9d..46098d236476 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2798,7 +2798,7 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
pd->pkt_dev = MKDEV(pktdev_major, idx);
ret = pkt_new_dev(pd, dev);
if (ret)
- goto out_new_dev;
+ goto out_mem2;
/* inherit events of the host device */
disk->events = pd->bdev->bd_disk->events;
@@ -2816,8 +2816,6 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
mutex_unlock(&ctl_mutex);
return 0;
-out_new_dev:
- blk_cleanup_queue(disk->queue);
out_mem2:
put_disk(disk);
out_mem:
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index a23062eef751..a5a86c6b787b 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -209,12 +209,16 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask,
* without any error (HW optimizations for later
* CAAM eras), then try again.
*/
+ if (ret)
+ break;
+
rdsta_val =
rd_reg32(&ctrl->r4tst[0].rdsta) & RDSTA_IFMASK;
- if (status || !(rdsta_val & (1 << sh_idx)))
+ if (status || !(rdsta_val & (1 << sh_idx))) {
ret = -EAGAIN;
- if (ret)
break;
+ }
+
dev_info(ctrldev, "Instantiated RNG4 SH%d\n", sh_idx);
/* Clear the contents before recreating the descriptor */
memset(desc, 0x00, CAAM_CMD_SZ * 7);
diff --git a/drivers/edac/octeon_edac-lmc.c b/drivers/edac/octeon_edac-lmc.c
index 4bd10f94f068..c0c80ae8c47c 100644
--- a/drivers/edac/octeon_edac-lmc.c
+++ b/drivers/edac/octeon_edac-lmc.c
@@ -79,6 +79,7 @@ static void octeon_lmc_edac_poll_o2(struct mem_ctl_info *mci)
if (!pvt->inject)
int_reg.u64 = cvmx_read_csr(CVMX_LMCX_INT(mci->mc_idx));
else {
+ int_reg.u64 = 0;
if (pvt->error_type == 1)
int_reg.s.sec_err = 1;
if (pvt->error_type == 2)
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c
index 2273ce78f5c8..f17e2cb4acb6 100644
--- a/drivers/media/usb/dvb-usb-v2/lmedm04.c
+++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c
@@ -438,18 +438,23 @@ static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
static int lme2510_return_status(struct dvb_usb_device *d)
{
- int ret = 0;
+ int ret;
u8 *data;
- data = kzalloc(10, GFP_KERNEL);
+ data = kzalloc(6, GFP_KERNEL);
if (!data)
return -ENOMEM;
- ret |= usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
- 0x06, 0x80, 0x0302, 0x00, data, 0x0006, 200);
- info("Firmware Status: %x (%x)", ret , data[2]);
+ ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0),
+ 0x06, 0x80, 0x0302, 0x00,
+ data, 0x6, 200);
+ if (ret != 6)
+ ret = -EINVAL;
+ else
+ ret = data[2];
+
+ info("Firmware Status: %6ph", data);
- ret = (ret < 0) ? -ENODEV : data[2];
kfree(data);
return ret;
}
@@ -1113,8 +1118,6 @@ static int dm04_lme2510_frontend_attach(struct dvb_usb_adapter *adap)
if (adap->fe[0]) {
info("FE Found M88RS2000");
- dvb_attach(ts2020_attach, adap->fe[0], &ts2020_config,
- &d->i2c_adap);
st->i2c_tuner_gate_w = 5;
st->i2c_tuner_gate_r = 5;
st->i2c_tuner_addr = 0x60;
@@ -1177,17 +1180,18 @@ static int dm04_lme2510_tuner(struct dvb_usb_adapter *adap)
ret = st->tuner_config;
break;
case TUNER_RS2000:
- ret = st->tuner_config;
+ if (dvb_attach(ts2020_attach, adap->fe[0],
+ &ts2020_config, &d->i2c_adap))
+ ret = st->tuner_config;
break;
default:
break;
}
- if (ret)
+ if (ret) {
info("TUN Found %s tuner", tun_msg[ret]);
- else {
- info("TUN No tuner found --- resetting device");
- lme_coldreset(d);
+ } else {
+ info("TUN No tuner found");
return -ENODEV;
}
@@ -1231,6 +1235,7 @@ static int lme2510_get_adapter_count(struct dvb_usb_device *d)
static int lme2510_identify_state(struct dvb_usb_device *d, const char **name)
{
struct lme2510_state *st = d->priv;
+ int status;
usb_reset_configuration(d->udev);
@@ -1239,12 +1244,16 @@ static int lme2510_identify_state(struct dvb_usb_device *d, const char **name)
st->dvb_usb_lme2510_firmware = dvb_usb_lme2510_firmware;
- if (lme2510_return_status(d) == 0x44) {
+ status = lme2510_return_status(d);
+ if (status == 0x44) {
*name = lme_firmware_switch(d, 0);
return COLD;
}
- return 0;
+ if (status != 0x47)
+ return -EINVAL;
+
+ return WARM;
}
static int lme2510_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c
index 356abb369c20..55b1a93f6e30 100644
--- a/drivers/media/usb/dvb-usb/cxusb.c
+++ b/drivers/media/usb/dvb-usb/cxusb.c
@@ -923,6 +923,8 @@ static int dvico_bluebird_xc2028_callback(void *ptr, int component,
case XC2028_RESET_CLK:
deb_info("%s: XC2028_RESET_CLK %d\n", __func__, arg);
break;
+ case XC2028_I2C_FLUSH:
+ break;
default:
deb_info("%s: unknown command %d, arg %d\n", __func__,
command, arg);
diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c
index 2e50c37c94e0..b7dd332465b9 100644
--- a/drivers/media/usb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/usb/dvb-usb/dib0700_devices.c
@@ -431,6 +431,7 @@ static int stk7700ph_xc3028_callback(void *ptr, int component,
state->dib7000p_ops.set_gpio(adap->fe_adap[0].fe, 8, 0, 1);
break;
case XC2028_RESET_CLK:
+ case XC2028_I2C_FLUSH:
break;
default:
err("%s: unknown command %d, arg %d\n", __func__,
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d5c0a6c7e0e7..7eddb1e95de3 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1872,6 +1872,7 @@ static int nand_write_oob_syndrome(struct mtd_info *mtd,
static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
struct mtd_oob_ops *ops)
{
+ unsigned int max_bitflips = 0;
int page, realpage, chipnr;
struct nand_chip *chip = mtd->priv;
struct mtd_ecc_stats stats;
@@ -1932,6 +1933,8 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
nand_wait_ready(mtd);
}
+ max_bitflips = max_t(unsigned int, max_bitflips, ret);
+
readlen -= len;
if (!readlen)
break;
@@ -1957,7 +1960,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
if (mtd->ecc_stats.failed - stats.failed)
return -EBADMSG;
- return mtd->ecc_stats.corrected - stats.corrected ? -EUCLEAN : 0;
+ return max_bitflips;
}
/**
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index dd618d7ed257..1c40c524f0c8 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3825,7 +3825,7 @@ static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
struct list_head *head = &mbx->cmd_q;
struct qlcnic_cmd_args *cmd = NULL;
- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);
while (!list_empty(head)) {
cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
@@ -3836,7 +3836,7 @@ static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
qlcnic_83xx_notify_cmd_completion(adapter, cmd);
}
- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
}
static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter)
@@ -3872,12 +3872,12 @@ static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter,
{
struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;
- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);
list_del(&cmd->list);
mbx->num_cmds--;
- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
qlcnic_83xx_notify_cmd_completion(adapter, cmd);
}
@@ -3942,7 +3942,7 @@ static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
init_completion(&cmd->completion);
cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN;
- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);
list_add_tail(&cmd->list, &mbx->cmd_q);
mbx->num_cmds++;
@@ -3950,7 +3950,7 @@ static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
*timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT;
queue_work(mbx->work_q, &mbx->work);
- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
return 0;
}
@@ -4046,15 +4046,15 @@ static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT;
spin_unlock_irqrestore(&mbx->aen_lock, flags);
- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);
if (list_empty(head)) {
- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
return;
}
cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
mbx_ops->encode_cmd(adapter, cmd);
mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index e95cb1faf43e..6e180db19c18 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1375,7 +1375,7 @@ DECLARE_RTL_COND(rtl_ocp_tx_cond)
{
void __iomem *ioaddr = tp->mmio_addr;
- return RTL_R8(IBISR0) & 0x02;
+ return RTL_R8(IBISR0) & 0x20;
}
static void rtl8168dp_driver_start(struct rtl8169_private *tp)
@@ -1421,7 +1421,7 @@ static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
void __iomem *ioaddr = tp->mmio_addr;
RTL_W8(IBCR2, RTL_R8(IBCR2) & ~0x01);
- rtl_msleep_loop_wait_low(tp, &rtl_ocp_tx_cond, 50, 2000);
+ rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
RTL_W8(IBISR0, RTL_R8(IBISR0) | 0x20);
RTL_W8(IBCR0, RTL_R8(IBCR0) & ~0x01);
ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c
index fac20e0434c0..8123a6b2eade 100644
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -163,8 +163,7 @@ static void stub_shutdown_connection(struct usbip_device *ud)
* step 1?
*/
if (ud->tcp_socket) {
- dev_dbg(&sdev->udev->dev, "shutdown tcp_socket %p\n",
- ud->tcp_socket);
+ dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);
kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
}
diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c
index af10f7b131a4..325b4c05acdd 100644
--- a/drivers/usb/usbip/stub_main.c
+++ b/drivers/usb/usbip/stub_main.c
@@ -252,11 +252,12 @@ void stub_device_cleanup_urbs(struct stub_device *sdev)
struct stub_priv *priv;
struct urb *urb;
- dev_dbg(&sdev->udev->dev, "free sdev %p\n", sdev);
+ dev_dbg(&sdev->udev->dev, "Stub device cleaning up urbs\n");
while ((priv = stub_priv_pop(sdev))) {
urb = priv->urb;
- dev_dbg(&sdev->udev->dev, "free urb %p\n", urb);
+ dev_dbg(&sdev->udev->dev, "free urb seqnum %lu\n",
+ priv->seqnum);
usb_kill_urb(urb);
kmem_cache_free(stub_priv_cache, priv);
diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c
index 00e475c51a12..56cacb68040c 100644
--- a/drivers/usb/usbip/stub_rx.c
+++ b/drivers/usb/usbip/stub_rx.c
@@ -230,9 +230,6 @@ static int stub_recv_cmd_unlink(struct stub_device *sdev,
if (priv->seqnum != pdu->u.cmd_unlink.seqnum)
continue;
- dev_info(&priv->urb->dev->dev, "unlink urb %p\n",
- priv->urb);
-
/*
* This matched urb is not completed yet (i.e., be in
* flight in usb hcd hardware/driver). Now we are
@@ -271,8 +268,8 @@ static int stub_recv_cmd_unlink(struct stub_device *sdev,
ret = usb_unlink_urb(priv->urb);
if (ret != -EINPROGRESS)
dev_err(&priv->urb->dev->dev,
- "failed to unlink a urb %p, ret %d\n",
- priv->urb, ret);
+ "failed to unlink a urb # %lu, ret %d\n",
+ priv->seqnum, ret);
return 0;
}
@@ -341,23 +338,26 @@ static struct stub_priv *stub_priv_alloc(struct stub_device *sdev,
return priv;
}
-static int get_pipe(struct stub_device *sdev, int epnum, int dir)
+static int get_pipe(struct stub_device *sdev, struct usbip_header *pdu)
{
struct usb_device *udev = sdev->udev;
struct usb_host_endpoint *ep;
struct usb_endpoint_descriptor *epd = NULL;
+ int epnum = pdu->base.ep;
+ int dir = pdu->base.direction;
+
+ if (epnum < 0 || epnum > 15)
+ goto err_ret;
if (dir == USBIP_DIR_IN)
ep = udev->ep_in[epnum & 0x7f];
else
ep = udev->ep_out[epnum & 0x7f];
- if (!ep) {
- dev_err(&sdev->interface->dev, "no such endpoint?, %d\n",
- epnum);
- BUG();
- }
+ if (!ep)
+ goto err_ret;
epd = &ep->desc;
+
if (usb_endpoint_xfer_control(epd)) {
if (dir == USBIP_DIR_OUT)
return usb_sndctrlpipe(udev, epnum);
@@ -380,15 +380,37 @@ static int get_pipe(struct stub_device *sdev, int epnum, int dir)
}
if (usb_endpoint_xfer_isoc(epd)) {
+ /* validate packet size and number of packets */
+ unsigned int maxp, packets, bytes;
+
+#define USB_EP_MAXP_MULT_SHIFT 11
+#define USB_EP_MAXP_MULT_MASK (3 << USB_EP_MAXP_MULT_SHIFT)
+#define USB_EP_MAXP_MULT(m) \
+ (((m) & USB_EP_MAXP_MULT_MASK) >> USB_EP_MAXP_MULT_SHIFT)
+
+ maxp = usb_endpoint_maxp(epd);
+ maxp *= (USB_EP_MAXP_MULT(
+ __le16_to_cpu(epd->wMaxPacketSize)) + 1);
+ bytes = pdu->u.cmd_submit.transfer_buffer_length;
+ packets = DIV_ROUND_UP(bytes, maxp);
+
+ if (pdu->u.cmd_submit.number_of_packets < 0 ||
+ pdu->u.cmd_submit.number_of_packets > packets) {
+ dev_err(&sdev->udev->dev,
+ "CMD_SUBMIT: isoc invalid num packets %d\n",
+ pdu->u.cmd_submit.number_of_packets);
+ return -1;
+ }
if (dir == USBIP_DIR_OUT)
return usb_sndisocpipe(udev, epnum);
else
return usb_rcvisocpipe(udev, epnum);
}
+err_ret:
/* NOT REACHED */
- dev_err(&sdev->interface->dev, "get pipe, epnum %d\n", epnum);
- return 0;
+ dev_err(&sdev->udev->dev, "CMD_SUBMIT: invalid epnum %d\n", epnum);
+ return -1;
}
static void masking_bogus_flags(struct urb *urb)
@@ -452,7 +474,10 @@ static void stub_recv_cmd_submit(struct stub_device *sdev,
struct stub_priv *priv;
struct usbip_device *ud = &sdev->ud;
struct usb_device *udev = sdev->udev;
- int pipe = get_pipe(sdev, pdu->base.ep, pdu->base.direction);
+ int pipe = get_pipe(sdev, pdu);
+
+ if (pipe == -1)
+ return;
priv = stub_priv_alloc(sdev, pdu);
if (!priv)
diff --git a/drivers/usb/usbip/stub_tx.c b/drivers/usb/usbip/stub_tx.c
index af858d52608a..f4dd30c56f36 100644
--- a/drivers/usb/usbip/stub_tx.c
+++ b/drivers/usb/usbip/stub_tx.c
@@ -201,8 +201,8 @@ static int stub_send_ret_submit(struct stub_device *sdev)
/* 1. setup usbip_header */
setup_ret_submit_pdu(&pdu_header, urb);
- usbip_dbg_stub_tx("setup txdata seqnum: %d urb: %p\n",
- pdu_header.base.seqnum, urb);
+ usbip_dbg_stub_tx("setup txdata seqnum: %d\n",
+ pdu_header.base.seqnum);
usbip_header_correct_endian(&pdu_header, 1);
iov[iovnum].iov_base = &pdu_header;
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index 9752b93f754e..1838f1b2c2fa 100644
--- a/drivers/usb/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
@@ -317,18 +317,14 @@ int usbip_recv(struct socket *sock, void *buf, int size)
struct msghdr msg;
struct kvec iov;
int total = 0;
-
/* for blocks of if (usbip_dbg_flag_xmit) */
char *bp = buf;
int osize = size;
- usbip_dbg_xmit("enter\n");
-
- if (!sock || !buf || !size) {
- pr_err("invalid arg, sock %p buff %p size %d\n", sock, buf,
- size);
+ if (!sock || !buf || !size)
return -EINVAL;
- }
+
+ usbip_dbg_xmit("enter\n");
do {
sock->sk->sk_allocation = GFP_NOIO;
@@ -341,11 +337,8 @@ int usbip_recv(struct socket *sock, void *buf, int size)
msg.msg_flags = MSG_NOSIGNAL;
result = kernel_recvmsg(sock, &msg, &iov, 1, size, MSG_WAITALL);
- if (result <= 0) {
- pr_debug("receive sock %p buf %p size %u ret %d total %d\n",
- sock, buf, size, result, total);
+ if (result <= 0)
goto err;
- }
size -= result;
buf += result;
diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
index 86b08475c254..f875ccaa55f9 100644
--- a/drivers/usb/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -261,6 +261,7 @@ struct usbip_device {
/* lock for status */
spinlock_t lock;
+ int sockfd;
struct socket *tcp_socket;
struct task_struct *tcp_rx;
diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c
index 64933b993d7a..2580a32bcdff 100644
--- a/drivers/usb/usbip/usbip_event.c
+++ b/drivers/usb/usbip/usbip_event.c
@@ -117,11 +117,12 @@ EXPORT_SYMBOL_GPL(usbip_event_add);
int usbip_event_happened(struct usbip_device *ud)
{
int happened = 0;
+ unsigned long flags;
- spin_lock(&ud->lock);
+ spin_lock_irqsave(&ud->lock, flags);
if (ud->event != 0)
happened = 1;
- spin_unlock(&ud->lock);
+ spin_unlock_irqrestore(&ud->lock, flags);
return happened;
}
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index c02374b6049c..869938036248 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -121,9 +121,11 @@ static void dump_port_status_diff(u32 prev_status, u32 new_status)
void rh_port_connect(int rhport, enum usb_device_speed speed)
{
+ unsigned long flags;
+
usbip_dbg_vhci_rh("rh_port_connect %d\n", rhport);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
the_controller->port_status[rhport] |= USB_PORT_STAT_CONNECTION
| (1 << USB_PORT_FEAT_C_CONNECTION);
@@ -139,22 +141,24 @@ void rh_port_connect(int rhport, enum usb_device_speed speed)
break;
}
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
}
static void rh_port_disconnect(int rhport)
{
+ unsigned long flags;
+
usbip_dbg_vhci_rh("rh_port_disconnect %d\n", rhport);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
the_controller->port_status[rhport] &= ~USB_PORT_STAT_CONNECTION;
the_controller->port_status[rhport] |=
(1 << USB_PORT_FEAT_C_CONNECTION);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_poll_rh_status(vhci_to_hcd(the_controller));
}
@@ -182,13 +186,14 @@ static int vhci_hub_status(struct usb_hcd *hcd, char *buf)
int retval;
int rhport;
int changed = 0;
+ unsigned long flags;
retval = DIV_ROUND_UP(VHCI_NPORTS + 1, 8);
memset(buf, 0, retval);
vhci = hcd_to_vhci(hcd);
- spin_lock(&vhci->lock);
+ spin_lock_irqsave(&vhci->lock, flags);
if (!HCD_HW_ACCESSIBLE(hcd)) {
usbip_dbg_vhci_rh("hw accessible flag not on?\n");
goto done;
@@ -209,7 +214,7 @@ static int vhci_hub_status(struct usb_hcd *hcd, char *buf)
usb_hcd_resume_root_hub(hcd);
done:
- spin_unlock(&vhci->lock);
+ spin_unlock_irqrestore(&vhci->lock, flags);
return changed ? retval : 0;
}
@@ -230,6 +235,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
struct vhci_hcd *dum;
int retval = 0;
int rhport;
+ unsigned long flags;
u32 prev_port_status[VHCI_NPORTS];
@@ -248,7 +254,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
dum = hcd_to_vhci(hcd);
- spin_lock(&dum->lock);
+ spin_lock_irqsave(&dum->lock, flags);
/* store old status and compare now and old later */
if (usbip_dbg_flag_vhci_rh) {
@@ -273,7 +279,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_POWER:
usbip_dbg_vhci_rh(
" ClearPortFeature: USB_PORT_FEAT_POWER\n");
- dum->port_status[rhport] = 0;
+ dum->port_status[rhport] &= ~USB_PORT_STAT_POWER;
dum->resuming = 0;
break;
case USB_PORT_FEAT_C_RESET:
@@ -402,7 +408,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
}
usbip_dbg_vhci_rh(" bye\n");
- spin_unlock(&dum->lock);
+ spin_unlock_irqrestore(&dum->lock, flags);
return retval;
}
@@ -425,6 +431,7 @@ static void vhci_tx_urb(struct urb *urb)
{
struct vhci_device *vdev = get_vdev(urb->dev);
struct vhci_priv *priv;
+ unsigned long flags;
if (!vdev) {
pr_err("could not get virtual device");
@@ -437,7 +444,7 @@ static void vhci_tx_urb(struct urb *urb)
return;
}
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
priv->seqnum = atomic_inc_return(&the_controller->seqnum);
if (priv->seqnum == 0xffff)
@@ -451,7 +458,7 @@ static void vhci_tx_urb(struct urb *urb)
list_add_tail(&priv->list, &vdev->priv_tx);
wake_up(&vdev->waitq_tx);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
}
static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
@@ -460,18 +467,16 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
struct device *dev = &urb->dev->dev;
int ret = 0;
struct vhci_device *vdev;
-
- usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
- hcd, urb, mem_flags);
+ unsigned long flags;
/* patch to usb_sg_init() is in 2.5.60 */
BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
if (urb->status != -EINPROGRESS) {
dev_err(dev, "URB already unlinked!, status %d\n", urb->status);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return urb->status;
}
@@ -483,7 +488,7 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
vdev->ud.status == VDEV_ST_ERROR) {
dev_err(dev, "enqueue for inactive port %d\n", vdev->rhport);
spin_unlock(&vdev->ud.lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return -ENODEV;
}
spin_unlock(&vdev->ud.lock);
@@ -558,14 +563,14 @@ static int vhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
out:
vhci_tx_urb(urb);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return 0;
no_need_xmit:
usb_hcd_unlink_urb_from_ep(hcd, urb);
no_need_unlink:
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
return ret;
}
@@ -620,16 +625,15 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
struct vhci_priv *priv;
struct vhci_device *vdev;
+ unsigned long flags;
- pr_info("dequeue a urb %p\n", urb);
-
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
priv = urb->hcpriv;
if (!priv) {
/* URB was never linked! or will be soon given back by
* vhci_rx. */
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return 0;
}
@@ -638,7 +642,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
ret = usb_hcd_check_unlink_urb(hcd, urb, status);
if (ret) {
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return ret;
}
}
@@ -650,7 +654,6 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
/* tcp connection is closed */
spin_lock(&vdev->priv_lock);
- pr_info("device %p seems to be disconnected\n", vdev);
list_del(&priv->list);
kfree(priv);
urb->hcpriv = NULL;
@@ -662,14 +665,12 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
* vhci_rx will receive RET_UNLINK and give back the URB.
* Otherwise, we give back it here.
*/
- pr_info("gives back urb %p\n", urb);
-
usb_hcd_unlink_urb_from_ep(hcd, urb);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
urb->status);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
} else {
/* tcp connection is alive */
@@ -681,7 +682,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
unlink = kzalloc(sizeof(struct vhci_unlink), GFP_ATOMIC);
if (!unlink) {
spin_unlock(&vdev->priv_lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usbip_event_add(&vdev->ud, VDEV_EVENT_ERROR_MALLOC);
return -ENOMEM;
}
@@ -692,8 +693,6 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
unlink->unlink_seqnum = priv->seqnum;
- pr_info("device %p seems to be still connected\n", vdev);
-
/* send cmd_unlink and try to cancel the pending URB in the
* peer */
list_add_tail(&unlink->list, &vdev->unlink_tx);
@@ -702,7 +701,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
spin_unlock(&vdev->priv_lock);
}
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usbip_dbg_vhci_hc("leave\n");
return 0;
@@ -711,8 +710,9 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
{
struct vhci_unlink *unlink, *tmp;
+ unsigned long flags;
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
spin_lock(&vdev->priv_lock);
list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
@@ -746,19 +746,19 @@ static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
list_del(&unlink->list);
spin_unlock(&vdev->priv_lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
urb->status);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
spin_lock(&vdev->priv_lock);
kfree(unlink);
}
spin_unlock(&vdev->priv_lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
}
/*
@@ -772,7 +772,7 @@ static void vhci_shutdown_connection(struct usbip_device *ud)
/* need this? see stub_dev.c */
if (ud->tcp_socket) {
- pr_debug("shutdown tcp_socket %p\n", ud->tcp_socket);
+ pr_debug("shutdown sockfd %d\n", ud->sockfd);
kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
}
@@ -825,8 +825,9 @@ static void vhci_shutdown_connection(struct usbip_device *ud)
static void vhci_device_reset(struct usbip_device *ud)
{
struct vhci_device *vdev = container_of(ud, struct vhci_device, ud);
+ unsigned long flags;
- spin_lock(&ud->lock);
+ spin_lock_irqsave(&ud->lock, flags);
vdev->speed = 0;
vdev->devid = 0;
@@ -841,14 +842,16 @@ static void vhci_device_reset(struct usbip_device *ud)
}
ud->status = VDEV_ST_NULL;
- spin_unlock(&ud->lock);
+ spin_unlock_irqrestore(&ud->lock, flags);
}
static void vhci_device_unusable(struct usbip_device *ud)
{
- spin_lock(&ud->lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&ud->lock, flags);
ud->status = VDEV_ST_ERROR;
- spin_unlock(&ud->lock);
+ spin_unlock_irqrestore(&ud->lock, flags);
}
static void vhci_device_init(struct vhci_device *vdev)
@@ -938,12 +941,13 @@ static int vhci_get_frame_number(struct usb_hcd *hcd)
static int vhci_bus_suspend(struct usb_hcd *hcd)
{
struct vhci_hcd *vhci = hcd_to_vhci(hcd);
+ unsigned long flags;
dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__);
- spin_lock(&vhci->lock);
+ spin_lock_irqsave(&vhci->lock, flags);
hcd->state = HC_STATE_SUSPENDED;
- spin_unlock(&vhci->lock);
+ spin_unlock_irqrestore(&vhci->lock, flags);
return 0;
}
@@ -952,15 +956,16 @@ static int vhci_bus_resume(struct usb_hcd *hcd)
{
struct vhci_hcd *vhci = hcd_to_vhci(hcd);
int rc = 0;
+ unsigned long flags;
dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__);
- spin_lock(&vhci->lock);
+ spin_lock_irqsave(&vhci->lock, flags);
if (!HCD_HW_ACCESSIBLE(hcd))
rc = -ESHUTDOWN;
else
hcd->state = HC_STATE_RUNNING;
- spin_unlock(&vhci->lock);
+ spin_unlock_irqrestore(&vhci->lock, flags);
return rc;
}
@@ -1058,17 +1063,18 @@ static int vhci_hcd_suspend(struct platform_device *pdev, pm_message_t state)
int rhport = 0;
int connected = 0;
int ret = 0;
+ unsigned long flags;
hcd = platform_get_drvdata(pdev);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
for (rhport = 0; rhport < VHCI_NPORTS; rhport++)
if (the_controller->port_status[rhport] &
USB_PORT_STAT_CONNECTION)
connected += 1;
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
if (connected > 0) {
dev_info(&pdev->dev,
diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c
index 00e4a54308e4..323aa7789989 100644
--- a/drivers/usb/usbip/vhci_rx.c
+++ b/drivers/usb/usbip/vhci_rx.c
@@ -37,24 +37,23 @@ struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, __u32 seqnum)
urb = priv->urb;
status = urb->status;
- usbip_dbg_vhci_rx("find urb %p vurb %p seqnum %u\n",
- urb, priv, seqnum);
+ usbip_dbg_vhci_rx("find urb seqnum %u\n", seqnum);
switch (status) {
case -ENOENT:
/* fall through */
case -ECONNRESET:
- dev_info(&urb->dev->dev,
- "urb %p was unlinked %ssynchronuously.\n", urb,
- status == -ENOENT ? "" : "a");
+ dev_dbg(&urb->dev->dev,
+ "urb seq# %u was unlinked %ssynchronuously\n",
+ seqnum, status == -ENOENT ? "" : "a");
break;
case -EINPROGRESS:
/* no info output */
break;
default:
- dev_info(&urb->dev->dev,
- "urb %p may be in a error, status %d\n", urb,
- status);
+ dev_dbg(&urb->dev->dev,
+ "urb seq# %u may be in a error, status %d\n",
+ seqnum, status);
}
list_del(&priv->list);
@@ -72,14 +71,15 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
{
struct usbip_device *ud = &vdev->ud;
struct urb *urb;
+ unsigned long flags;
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
if (!urb) {
- pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
- pr_info("max seqnum %d\n",
+ pr_err("cannot find a urb of seqnum %u max seqnum %d\n",
+ pdu->base.seqnum,
atomic_read(&the_controller->seqnum));
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
return;
@@ -102,11 +102,11 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
if (usbip_dbg_flag_vhci_rx)
usbip_dump_urb(urb);
- usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+ usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
@@ -117,8 +117,9 @@ static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev,
struct usbip_header *pdu)
{
struct vhci_unlink *unlink, *tmp;
+ unsigned long flags;
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
list_for_each_entry_safe(unlink, tmp, &vdev->unlink_rx, list) {
pr_info("unlink->seqnum %lu\n", unlink->seqnum);
@@ -127,12 +128,12 @@ static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev,
unlink->seqnum);
list_del(&unlink->list);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return unlink;
}
}
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return NULL;
}
@@ -142,6 +143,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
{
struct vhci_unlink *unlink;
struct urb *urb;
+ unsigned long flags;
usbip_dump_header(pdu);
@@ -152,9 +154,9 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
return;
}
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
if (!urb) {
/*
@@ -165,15 +167,15 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
pr_info("the urb (seqnum %d) was already given back\n",
pdu->base.seqnum);
} else {
- usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+ usbip_dbg_vhci_rx("now giveback urb %d\n", pdu->base.seqnum);
/* If unlink is successful, status is -ECONNRESET */
urb->status = pdu->u.ret_unlink.status;
pr_info("urb->status %d\n", urb->status);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
urb->status);
@@ -185,10 +187,11 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
static int vhci_priv_tx_empty(struct vhci_device *vdev)
{
int empty = 0;
+ unsigned long flags;
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
empty = list_empty(&vdev->priv_rx);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return empty;
}
diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c
index 211f43f67ea2..78fd6bae9a72 100644
--- a/drivers/usb/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
@@ -32,23 +32,28 @@ static ssize_t status_show(struct device *dev, struct device_attribute *attr,
{
char *s = out;
int i = 0;
+ unsigned long flags;
BUG_ON(!the_controller || !out);
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
/*
* output example:
- * prt sta spd dev socket local_busid
- * 000 004 000 000 c5a7bb80 1-2.3
- * 001 004 000 000 d8cee980 2-3.4
+ * prt sta spd dev sockfd local_busid
+ * 0000 004 000 00000000 000003 1-2.3
+ * 0001 004 000 00000000 000004 2-3.4
*
- * IP address can be retrieved from a socket pointer address by looking
- * up /proc/net/{tcp,tcp6}. Also, a userland program may remember a
- * port number and its peer IP address.
+ * Output includes socket fd instead of socket pointer address to
+ * avoid leaking kernel memory address in:
+ * /sys/devices/platform/vhci_hcd.0/status and in debug output.
+ * The socket pointer address is not used at the moment and it was
+ * made visible as a convenient way to find IP address from socket
+ * pointer address by looking up /proc/net/{tcp,tcp6}. As this opens
+ * a security hole, the change is made to use sockfd instead.
*/
out += sprintf(out,
- "prt sta spd bus dev socket local_busid\n");
+ "prt sta spd dev sockfd local_busid\n");
for (i = 0; i < VHCI_NPORTS; i++) {
struct vhci_device *vdev = port_to_vdev(i);
@@ -59,18 +64,17 @@ static ssize_t status_show(struct device *dev, struct device_attribute *attr,
if (vdev->ud.status == VDEV_ST_USED) {
out += sprintf(out, "%03u %08x ",
vdev->speed, vdev->devid);
- out += sprintf(out, "%16p ", vdev->ud.tcp_socket);
+ out += sprintf(out, "%06u ", vdev->ud.sockfd);
out += sprintf(out, "%s", dev_name(&vdev->udev->dev));
- } else {
- out += sprintf(out, "000 000 000 0000000000000000 0-0");
- }
+ } else
+ out += sprintf(out, "000 00000000 000000 0-0");
out += sprintf(out, "\n");
spin_unlock(&vdev->ud.lock);
}
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return out - s;
}
@@ -80,11 +84,12 @@ static DEVICE_ATTR_RO(status);
static int vhci_port_disconnect(__u32 rhport)
{
struct vhci_device *vdev;
+ unsigned long flags;
usbip_dbg_vhci_sysfs("enter\n");
/* lock */
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
vdev = port_to_vdev(rhport);
@@ -94,14 +99,14 @@ static int vhci_port_disconnect(__u32 rhport)
/* unlock */
spin_unlock(&vdev->ud.lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
return -EINVAL;
}
/* unlock */
spin_unlock(&vdev->ud.lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
usbip_event_add(&vdev->ud, VDEV_EVENT_DOWN);
@@ -177,6 +182,7 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
int sockfd = 0;
__u32 rhport = 0, devid = 0, speed = 0;
int err;
+ unsigned long flags;
/*
* @rhport: port number of vhci_hcd
@@ -202,14 +208,14 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
/* now need lock until setting vdev status as used */
/* begin a lock */
- spin_lock(&the_controller->lock);
+ spin_lock_irqsave(&the_controller->lock, flags);
vdev = port_to_vdev(rhport);
spin_lock(&vdev->ud.lock);
if (vdev->ud.status != VDEV_ST_NULL) {
/* end of the lock */
spin_unlock(&vdev->ud.lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
sockfd_put(socket);
@@ -223,11 +229,12 @@ static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
vdev->devid = devid;
vdev->speed = speed;
+ vdev->ud.sockfd = sockfd;
vdev->ud.tcp_socket = socket;
vdev->ud.status = VDEV_ST_NOTASSIGNED;
spin_unlock(&vdev->ud.lock);
- spin_unlock(&the_controller->lock);
+ spin_unlock_irqrestore(&the_controller->lock, flags);
/* end the lock */
vdev->ud.tcp_rx = kthread_get_run(vhci_rx_loop, &vdev->ud, "vhci_rx");
diff --git a/drivers/usb/usbip/vhci_tx.c b/drivers/usb/usbip/vhci_tx.c
index 409fd99f3257..a9a663a578b6 100644
--- a/drivers/usb/usbip/vhci_tx.c
+++ b/drivers/usb/usbip/vhci_tx.c
@@ -47,16 +47,17 @@ static void setup_cmd_submit_pdu(struct usbip_header *pdup, struct urb *urb)
static struct vhci_priv *dequeue_from_priv_tx(struct vhci_device *vdev)
{
struct vhci_priv *priv, *tmp;
+ unsigned long flags;
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
list_for_each_entry_safe(priv, tmp, &vdev->priv_tx, list) {
list_move_tail(&priv->list, &vdev->priv_rx);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return priv;
}
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return NULL;
}
@@ -82,7 +83,8 @@ static int vhci_send_cmd_submit(struct vhci_device *vdev)
memset(&msg, 0, sizeof(msg));
memset(&iov, 0, sizeof(iov));
- usbip_dbg_vhci_tx("setup txdata urb %p\n", urb);
+ usbip_dbg_vhci_tx("setup txdata urb seqnum %lu\n",
+ priv->seqnum);
/* 1. setup usbip_header */
setup_cmd_submit_pdu(&pdu_header, urb);
@@ -136,16 +138,17 @@ static int vhci_send_cmd_submit(struct vhci_device *vdev)
static struct vhci_unlink *dequeue_from_unlink_tx(struct vhci_device *vdev)
{
struct vhci_unlink *unlink, *tmp;
+ unsigned long flags;
- spin_lock(&vdev->priv_lock);
+ spin_lock_irqsave(&vdev->priv_lock, flags);
list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
list_move_tail(&unlink->list, &vdev->unlink_rx);
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return unlink;
}
- spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vdev->priv_lock, flags);
return NULL;
}
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 8dae2f724a35..d812f9d71011 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1009,6 +1009,7 @@ static long vhost_net_reset_owner(struct vhost_net *n)
}
vhost_net_stop(n, &tx_sock, &rx_sock);
vhost_net_flush(n);
+ vhost_dev_stop(&n->dev);
vhost_dev_reset_owner(&n->dev, memory);
vhost_net_vq_reset(n);
done:
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 78404806a7f6..58f36037c278 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -303,9 +303,8 @@ int calc_lanman_hash(const char *password, const char *cryptkey, bool encrypt,
{
int i;
int rc;
- char password_with_pad[CIFS_ENCPWD_SIZE];
+ char password_with_pad[CIFS_ENCPWD_SIZE] = {0};
- memset(password_with_pad, 0, CIFS_ENCPWD_SIZE);
if (password)
strncpy(password_with_pad, password, CIFS_ENCPWD_SIZE);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 43bb9e2c81a5..7d4c2bf2fea2 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1650,7 +1650,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
tmp_end++;
if (!(tmp_end < end && tmp_end[1] == delim)) {
/* No it is not. Set the password to NULL */
- kfree(vol->password);
+ kzfree(vol->password);
vol->password = NULL;
break;
}
@@ -1688,7 +1688,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
options = end;
}
- kfree(vol->password);
+ kzfree(vol->password);
/* Now build new password string */
temp_len = strlen(value);
vol->password = kzalloc(temp_len+1, GFP_KERNEL);
@@ -4046,7 +4046,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
reset_cifs_unix_caps(0, tcon, NULL, vol_info);
out:
kfree(vol_info->username);
- kfree(vol_info->password);
+ kzfree(vol_info->password);
kfree(vol_info);
return tcon;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 237c201d6d3e..855ad5e6bd22 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3261,20 +3261,18 @@ static struct vm_operations_struct cifs_file_vm_ops = {
int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
{
- int rc, xid;
+ int xid, rc = 0;
struct inode *inode = file_inode(file);
xid = get_xid();
- if (!CIFS_CACHE_READ(CIFS_I(inode))) {
+ if (!CIFS_CACHE_READ(CIFS_I(inode)))
rc = cifs_zap_mapping(inode);
- if (rc)
- return rc;
- }
-
- rc = generic_file_mmap(file, vma);
- if (rc == 0)
+ if (!rc)
+ rc = generic_file_mmap(file, vma);
+ if (!rc)
vma->vm_ops = &cifs_file_vm_ops;
+
free_xid(xid);
return rc;
}
@@ -3284,16 +3282,16 @@ int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
int rc, xid;
xid = get_xid();
+
rc = cifs_revalidate_file(file);
- if (rc) {
+ if (rc)
cifs_dbg(FYI, "Validation prior to mmap failed, error=%d\n",
rc);
- free_xid(xid);
- return rc;
- }
- rc = generic_file_mmap(file, vma);
- if (rc == 0)
+ if (!rc)
+ rc = generic_file_mmap(file, vma);
+ if (!rc)
vma->vm_ops = &cifs_file_vm_ops;
+
free_xid(xid);
return rc;
}
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 337946355b29..eedbc34e19db 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -99,14 +99,11 @@ sesInfoFree(struct cifs_ses *buf_to_free)
kfree(buf_to_free->serverOS);
kfree(buf_to_free->serverDomain);
kfree(buf_to_free->serverNOS);
- if (buf_to_free->password) {
- memset(buf_to_free->password, 0, strlen(buf_to_free->password));
- kfree(buf_to_free->password);
- }
+ kzfree(buf_to_free->password);
kfree(buf_to_free->user_name);
kfree(buf_to_free->domainName);
- kfree(buf_to_free->auth_key.response);
- kfree(buf_to_free);
+ kzfree(buf_to_free->auth_key.response);
+ kzfree(buf_to_free);
}
struct cifs_tcon *
@@ -136,10 +133,7 @@ tconInfoFree(struct cifs_tcon *buf_to_free)
}
atomic_dec(&tconInfoAllocCount);
kfree(buf_to_free->nativeFileSystem);
- if (buf_to_free->password) {
- memset(buf_to_free->password, 0, strlen(buf_to_free->password));
- kfree(buf_to_free->password);
- }
+ kzfree(buf_to_free->password);
kfree(buf_to_free);
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index fc5809d494ed..c147cc58056f 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -507,8 +507,7 @@ int smb3_validate_negotiate(const unsigned int xid, struct cifs_tcon *tcon)
}
/* check validate negotiate info response matches what we got earlier */
- if (pneg_rsp->Dialect !=
- cpu_to_le16(tcon->ses->server->vals->protocol_id))
+ if (pneg_rsp->Dialect != cpu_to_le16(tcon->ses->server->dialect))
goto vneg_out;
if (pneg_rsp->SecurityMode != cpu_to_le16(tcon->ses->server->sec_mode))
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index efb1f7b5883e..4779f47ecad2 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -267,7 +267,7 @@ static ssize_t kernfs_fop_write(struct file *file, const char __user *user_buf,
{
struct kernfs_open_file *of = kernfs_of(file);
const struct kernfs_ops *ops;
- size_t len;
+ ssize_t len;
char *buf;
if (of->atomic_write_len) {
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index a094b0c34ac3..0da8e64c9d75 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -716,10 +716,8 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
spin_lock(&dreq->lock);
- if (test_bit(NFS_IOHDR_ERROR, &hdr->flags)) {
- dreq->flags = 0;
+ if (test_bit(NFS_IOHDR_ERROR, &hdr->flags))
dreq->error = hdr->error;
- }
if (dreq->error == 0) {
dreq->count += hdr->good_bytes;
if (nfs_write_need_commit(hdr)) {
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 395b93f43df5..efe1b1757afc 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1646,6 +1646,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags);
next:
nfs_unlock_and_release_request(req);
+ /* Latency breaker */
+ cond_resched();
}
nfss = NFS_SERVER(data->inode);
if (atomic_long_read(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH)
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 9779c35f8454..dab9569f22bf 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -91,6 +91,8 @@ static inline bool crypto_shash_alg_has_setkey(struct shash_alg *alg)
return alg->setkey != shash_no_setkey;
}
+bool crypto_hash_alg_has_setkey(struct hash_alg_common *halg);
+
int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
struct hash_alg_common *alg,
struct crypto_instance *inst);
diff --git a/include/net/arp.h b/include/net/arp.h
index 174014585ade..5d8c7990582f 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -22,6 +22,9 @@ static inline struct neighbour *__ipv4_neigh_lookup_noref(struct net_device *dev
struct neighbour *n;
u32 hash_val;
+ if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
+ key = INADDR_ANY;
+
hash_val = arp_hashfn(key, dev, nht->hash_rnd[0]) >> (32 - nht->hash_shift);
for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
n != NULL;
@@ -37,9 +40,6 @@ static inline struct neighbour *__ipv4_neigh_lookup(struct net_device *dev, u32
{
struct neighbour *n;
- if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
- key = INADDR_ANY;
-
rcu_read_lock_bh();
n = __ipv4_neigh_lookup_noref(dev, key);
if (n && !atomic_inc_not_zero(&n->refcnt))
diff --git a/kernel/async.c b/kernel/async.c
index 4c3773c0bf63..f1fd155abff6 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -84,20 +84,24 @@ static atomic_t entry_count;
static async_cookie_t lowest_in_progress(struct async_domain *domain)
{
- struct list_head *pending;
+ struct async_entry *first = NULL;
async_cookie_t ret = ASYNC_COOKIE_MAX;
unsigned long flags;
spin_lock_irqsave(&async_lock, flags);
- if (domain)
- pending = &domain->pending;
- else
- pending = &async_global_pending;
+ if (domain) {
+ if (!list_empty(&domain->pending))
+ first = list_first_entry(&domain->pending,
+ struct async_entry, domain_list);
+ } else {
+ if (!list_empty(&async_global_pending))
+ first = list_first_entry(&async_global_pending,
+ struct async_entry, global_list);
+ }
- if (!list_empty(pending))
- ret = list_first_entry(pending, struct async_entry,
- domain_list)->cookie;
+ if (first)
+ ret = first->cookie;
spin_unlock_irqrestore(&async_lock, flags);
return ret;
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 31ea01f42e1f..2cca2e79c643 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -500,17 +500,22 @@ static struct pid *good_sigevent(sigevent_t * event)
{
struct task_struct *rtn = current->group_leader;
- if ((event->sigev_notify & SIGEV_THREAD_ID ) &&
- (!(rtn = find_task_by_vpid(event->sigev_notify_thread_id)) ||
- !same_thread_group(rtn, current) ||
- (event->sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_SIGNAL))
+ switch (event->sigev_notify) {
+ case SIGEV_SIGNAL | SIGEV_THREAD_ID:
+ rtn = find_task_by_vpid(event->sigev_notify_thread_id);
+ if (!rtn || !same_thread_group(rtn, current))
+ return NULL;
+ /* FALLTHRU */
+ case SIGEV_SIGNAL:
+ case SIGEV_THREAD:
+ if (event->sigev_signo <= 0 || event->sigev_signo > SIGRTMAX)
+ return NULL;
+ /* FALLTHRU */
+ case SIGEV_NONE:
+ return task_pid(rtn);
+ default:
return NULL;
-
- if (((event->sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE) &&
- ((event->sigev_signo <= 0) || (event->sigev_signo > SIGRTMAX)))
- return NULL;
-
- return task_pid(rtn);
+ }
}
void posix_timers_register_clock(const clockid_t clock_id,
@@ -738,8 +743,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
/* interval timer ? */
if (iv.tv64)
cur_setting->it_interval = ktime_to_timespec(iv);
- else if (!hrtimer_active(timer) &&
- (timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)
+ else if (!hrtimer_active(timer) && timr->it_sigev_notify != SIGEV_NONE)
return;
now = timer->base->get_time();
@@ -750,7 +754,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
* expiry is > now.
*/
if (iv.tv64 && (timr->it_requeue_pending & REQUEUE_PENDING ||
- (timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
+ timr->it_sigev_notify == SIGEV_NONE))
timr->it_overrun += (unsigned int) hrtimer_forward(timer, now, iv);
remaining = ktime_sub(hrtimer_get_expires(timer), now);
@@ -760,7 +764,7 @@ common_timer_get(struct k_itimer *timr, struct itimerspec *cur_setting)
* A single shot SIGEV_NONE timer must return 0, when
* it is expired !
*/
- if ((timr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE)
+ if (timr->it_sigev_notify != SIGEV_NONE)
cur_setting->it_value.tv_nsec = 1;
} else
cur_setting->it_value = ktime_to_timespec(remaining);
@@ -858,7 +862,7 @@ common_timer_set(struct k_itimer *timr, int flags,
timr->it.real.interval = timespec_to_ktime(new_setting->it_interval);
/* SIGEV_NONE timers are not queued ! See common_timer_get */
- if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE)) {
+ if (timr->it_sigev_notify == SIGEV_NONE) {
/* Setup correct expiry time for relative timers */
if (mode == HRTIMER_MODE_REL) {
hrtimer_add_expires(timer, timer->base->get_time());
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index e1bc9d52c016..dad5493c7c5a 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -259,6 +259,7 @@ int dccp_disconnect(struct sock *sk, int flags)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct inet_sock *inet = inet_sk(sk);
+ struct dccp_sock *dp = dccp_sk(sk);
int err = 0;
const int old_state = sk->sk_state;
@@ -278,6 +279,10 @@ int dccp_disconnect(struct sock *sk, int flags)
sk->sk_err = ECONNRESET;
dccp_clear_xmit_timers(sk);
+ ccid_hc_rx_delete(dp->dccps_hc_rx_ccid, sk);
+ ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk);
+ dp->dccps_hc_rx_ccid = NULL;
+ dp->dccps_hc_tx_ccid = NULL;
__skb_queue_purge(&sk->sk_receive_queue);
__skb_queue_purge(&sk->sk_write_queue);
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 642dbbde93e4..4fd94cfb7f24 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -384,7 +384,11 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu)
pip->frag_off = htons(IP_DF);
pip->ttl = 1;
pip->daddr = fl4.daddr;
+
+ rcu_read_lock();
pip->saddr = igmpv3_get_srcaddr(dev, &fl4);
+ rcu_read_unlock();
+
pip->protocol = IPPROTO_IGMP;
pip->tot_len = 0; /* filled in later */
ip_select_ident(skb, NULL);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 357d6b3caa84..77ffe0dbed6c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2280,6 +2280,12 @@ int tcp_disconnect(struct sock *sk, int flags)
WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
+ if (sk->sk_frag.page) {
+ put_page(sk->sk_frag.page);
+ sk->sk_frag.page = NULL;
+ sk->sk_frag.offset = 0;
+ }
+
sk->sk_error_report(sk);
return err;
}
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 4b7e2fad2fef..61bc48ce07a5 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -498,6 +498,7 @@ static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
return ERR_PTR(-ENOENT);
it->mrt = mrt;
+ it->cache = NULL;
return *pos ? ipmr_mfc_seq_idx(net, seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 89d5695c51cd..20251ee5c491 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -141,23 +141,22 @@ static int valid_ecryptfs_desc(const char *ecryptfs_desc)
*/
static int valid_master_desc(const char *new_desc, const char *orig_desc)
{
- if (!memcmp(new_desc, KEY_TRUSTED_PREFIX, KEY_TRUSTED_PREFIX_LEN)) {
- if (strlen(new_desc) == KEY_TRUSTED_PREFIX_LEN)
- goto out;
- if (orig_desc)
- if (memcmp(new_desc, orig_desc, KEY_TRUSTED_PREFIX_LEN))
- goto out;
- } else if (!memcmp(new_desc, KEY_USER_PREFIX, KEY_USER_PREFIX_LEN)) {
- if (strlen(new_desc) == KEY_USER_PREFIX_LEN)
- goto out;
- if (orig_desc)
- if (memcmp(new_desc, orig_desc, KEY_USER_PREFIX_LEN))
- goto out;
- } else
- goto out;
+ int prefix_len;
+
+ if (!strncmp(new_desc, KEY_TRUSTED_PREFIX, KEY_TRUSTED_PREFIX_LEN))
+ prefix_len = KEY_TRUSTED_PREFIX_LEN;
+ else if (!strncmp(new_desc, KEY_USER_PREFIX, KEY_USER_PREFIX_LEN))
+ prefix_len = KEY_USER_PREFIX_LEN;
+ else
+ return -EINVAL;
+
+ if (!new_desc[prefix_len])
+ return -EINVAL;
+
+ if (orig_desc && strncmp(new_desc, orig_desc, prefix_len))
+ return -EINVAL;
+
return 0;
-out:
- return -EINVAL;
}
/*
diff --git a/tools/usb/usbip/libsrc/usbip_common.c b/tools/usb/usbip/libsrc/usbip_common.c
index ac73710473de..8000445ff884 100644
--- a/tools/usb/usbip/libsrc/usbip_common.c
+++ b/tools/usb/usbip/libsrc/usbip_common.c
@@ -215,9 +215,16 @@ int read_usb_interface(struct usbip_usb_device *udev, int i,
struct usbip_usb_interface *uinf)
{
char busid[SYSFS_BUS_ID_SIZE];
+ int size;
struct udev_device *sif;
- sprintf(busid, "%s:%d.%d", udev->busid, udev->bConfigurationValue, i);
+ size = snprintf(busid, sizeof(busid), "%s:%d.%d",
+ udev->busid, udev->bConfigurationValue, i);
+ if (size < 0 || (unsigned int)size >= sizeof(busid)) {
+ err("busid length %i >= %lu or < 0", size,
+ (unsigned long)sizeof(busid));
+ return -1;
+ }
sif = udev_device_new_from_subsystem_sysname(udev_context, "usb", busid);
if (!sif) {
diff --git a/tools/usb/usbip/libsrc/usbip_host_driver.c b/tools/usb/usbip/libsrc/usbip_host_driver.c
index bef08d5c44e8..071b9ce99420 100644
--- a/tools/usb/usbip/libsrc/usbip_host_driver.c
+++ b/tools/usb/usbip/libsrc/usbip_host_driver.c
@@ -39,13 +39,19 @@ struct udev *udev_context;
static int32_t read_attr_usbip_status(struct usbip_usb_device *udev)
{
char status_attr_path[SYSFS_PATH_MAX];
+ int size;
int fd;
int length;
char status;
int value = 0;
- snprintf(status_attr_path, SYSFS_PATH_MAX, "%s/usbip_status",
- udev->path);
+ size = snprintf(status_attr_path, SYSFS_PATH_MAX, "%s/usbip_status",
+ udev->path);
+ if (size < 0 || (unsigned int)size >= sizeof(status_attr_path)) {
+ err("usbip_status path length %i >= %lu or < 0", size,
+ (unsigned long)sizeof(status_attr_path));
+ return -1;
+ }
fd = open(status_attr_path, O_RDONLY);
if (fd < 0) {
@@ -225,6 +231,7 @@ int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd)
{
char attr_name[] = "usbip_sockfd";
char sockfd_attr_path[SYSFS_PATH_MAX];
+ int size;
char sockfd_buff[30];
int ret;
@@ -244,10 +251,20 @@ int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd)
}
/* only the first interface is true */
- snprintf(sockfd_attr_path, sizeof(sockfd_attr_path), "%s/%s",
- edev->udev.path, attr_name);
+ size = snprintf(sockfd_attr_path, sizeof(sockfd_attr_path), "%s/%s",
+ edev->udev.path, attr_name);
+ if (size < 0 || (unsigned int)size >= sizeof(sockfd_attr_path)) {
+ err("exported device path length %i >= %lu or < 0", size,
+ (unsigned long)sizeof(sockfd_attr_path));
+ return -1;
+ }
- snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd);
+ size = snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd);
+ if (size < 0 || (unsigned int)size >= sizeof(sockfd_buff)) {
+ err("socket length %i >= %lu or < 0", size,
+ (unsigned long)sizeof(sockfd_buff));
+ return -1;
+ }
ret = write_sysfs_attribute(sockfd_attr_path, sockfd_buff,
strlen(sockfd_buff));
diff --git a/tools/usb/usbip/libsrc/vhci_driver.c b/tools/usb/usbip/libsrc/vhci_driver.c
index ad9204773533..1274f326242c 100644
--- a/tools/usb/usbip/libsrc/vhci_driver.c
+++ b/tools/usb/usbip/libsrc/vhci_driver.c
@@ -55,12 +55,12 @@ static int parse_status(const char *value)
while (*c != '\0') {
int port, status, speed, devid;
- unsigned long socket;
+ int sockfd;
char lbusid[SYSFS_BUS_ID_SIZE];
- ret = sscanf(c, "%d %d %d %x %lx %31s\n",
+ ret = sscanf(c, "%d %d %d %x %u %31s\n",
&port, &status, &speed,
- &devid, &socket, lbusid);
+ &devid, &sockfd, lbusid);
if (ret < 5) {
dbg("sscanf failed: %d", ret);
@@ -69,7 +69,7 @@ static int parse_status(const char *value)
dbg("port %d status %d speed %d devid %x",
port, status, speed, devid);
- dbg("socket %lx lbusid %s", socket, lbusid);
+ dbg("sockfd %u lbusid %s", sockfd, lbusid);
/* if a device is connected, look at it */
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