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Gustavo A. R. Silva 05fc2b8ba0 dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved 
[ Upstream commit 62a277d43d ]

_xt_ is being dereferenced before it is null checked, hence there is a
potential null pointer dereference.

Fix this by moving the pointer dereference after _xt_ has been null
checked.

This issue was detected with the help of Coccinelle.

Fixes: 4483320e24 ("dmaengine: Use Pointer xt after NULL check.")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-25 11:08:01 +01:00
..
accessibility
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
acpi
acpi, nfit: fix register dimm error handling
2018-02-16 20:23:10 +01:00
amba
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
android
binder: replace "%p" with "%pK"
2018-02-25 11:07:52 +01:00
ata
ahci: Add Intel Cannon Lake PCH-H PCI ID
2018-02-16 20:22:59 +01:00
atm
atm: horizon: Fix irq release error
2017-12-14 09:53:13 +01:00
auxdisplay
auxdisplay: img-ascii-lcd: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
2018-02-07 11:12:20 -08:00
base
PM / runtime: Fix handling of suppliers with disabled runtime PM
2018-02-25 11:07:58 +01:00
bcma
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
block
rbd: whitelist RBD_FEATURE_OPERATIONS feature bit
2018-02-22 15:42:28 +01:00
bluetooth
Bluetooth: BT_HCIUART now depends on SERIAL_DEV_BUS
2018-02-22 15:42:32 +01:00
bus
sunxi-rsb: Include OF based modalias in device uevent
2018-01-10 09:31:19 +01:00
cdrom
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
char
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:42:24 +01:00
clk
clk: sunxi: sun9i-mmc: Implement reset callback for reset controls
2017-12-29 17:53:48 +01:00
clocksource
clocksource/drivers/stm32: Fix kernel panic with multiple timers
2018-02-16 20:23:09 +01:00
connector
…
cpufreq
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:42:24 +01:00
cpuidle
cpuidle: fix broadcast control when broadcast can not be entered
2017-12-25 14:26:30 +01:00
crypto
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:42:24 +01:00
dax
dev/dax: fix uninitialized variable build warning
2017-12-20 10:10:34 +01:00
dca
…
devfreq
PM / devfreq: Propagate error from devfreq_add_device()
2018-02-22 15:42:16 +01:00
dio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dma
dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved
2018-02-25 11:08:01 +01:00
dma-buf
dma-buf: fix reservation_object_wait_timeout_rcu once more v2
2018-02-22 15:42:17 +01:00
edac
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:42:24 +01:00
eisa
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
extcon
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
firewire
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
firmware
firmware/psci: Expose SMCCC version through psci_ops
2018-02-16 20:22:56 +01:00
fmc
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fpga
fpga: region: release of_parse_phandle nodes after use
2018-02-07 11:12:26 -08:00
fsi
drivers/fsi/scom: Remove reset before every putscom
2017-08-28 17:15:16 +02:00
gpio
gpio: davinci: Assign first bank regs for unbanked case
2018-02-25 11:07:56 +01:00
gpu
drm: Require __GFP_NOFAIL for the legacy drm_modeset_lock_all
2018-02-25 11:07:47 +01:00
hid
HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working
2018-02-16 20:23:06 +01:00
hsi
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hv
x86/virt: Add enum for hypervisors to replace x86_hyper
2017-12-25 14:26:20 +01:00
hwmon
x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
2018-02-22 15:42:24 +01:00
hwspinlock
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hwtracing
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
i2c
i2c: i2c-boardinfo: fix memory leaks on devinfo
2018-02-03 17:39:07 +01:00
ide
ide: ide-atapi: fix compile error with defining macro DEBUG
2017-12-17 15:08:00 +01:00
idle
Revert "x86/mm: Stop calling leave_mm() in idle code"
2017-11-04 15:01:50 +01:00
iio
iio: fix kernel-doc build errors
2018-02-25 11:07:58 +01:00
infiniband
IB/core: Init subsys if compiled to vmlinuz-core
2018-02-25 11:07:57 +01:00
input
Input: synaptics-rmi4 - do not delete interrupt memory too early
2018-02-03 17:39:24 +01:00
iommu
iommu/arm-smmu-v3: Cope with duplicated Stream IDs
2018-01-10 09:31:21 +01:00
ipack
…
irqchip
irqchip/qcom: Fix u32 comparison with value less than zero
2017-12-14 09:53:05 +01:00
isdn
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
leds
leds: pca955x: Don't invert requested value in pca955x_gpio_set_value()
2017-12-25 14:26:27 +01:00
lightnvm
lightnvm: pblk: protect line bitmap while submitting meta io
2017-12-20 10:10:38 +01:00
macintosh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mailbox
mailbox: mailbox-test: don't rely on rx_buffer content to signal data ready
2017-12-14 09:53:12 +01:00
mcb
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
md
md/raid1/10: add missed blk plug
2018-02-25 11:07:57 +01:00
media
media: ov13858: Select V4L2_FWNODE
2018-02-25 11:07:55 +01:00
memory
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
memstick
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
message
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mfd
mfd: twl6040: Fix child-node lookup
2017-12-29 17:53:46 +01:00
misc
kmemcheck: remove annotations
2018-02-22 15:42:23 +01:00
mmc
mmc: sdhci-of-esdhc: fix the mmc error after sleep on ls1046ardb
2018-02-22 15:42:33 +01:00
mtd
mtd: nand: vf610: set correct ooblayout
2018-02-22 15:42:30 +01:00
mux
mux: core: fix double get_device()
2018-01-17 09:45:27 +01:00
net
gianfar: Disable EEE autoneg by default
2018-02-25 11:08:01 +01:00
nfc
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ntb
ntb: transport shouldn't disable link due to bogus values in SPADs
2017-08-01 13:31:44 -04:00
nubus
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nvdimm
libnvdimm, pfn: fix start_pad handling for aligned namespaces
2017-12-29 17:53:49 +01:00
nvme
nvme-pci: fix NULL pointer dereference in nvme_free_host_mem()
2018-02-03 17:39:10 +01:00
nvmem
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
of
.gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore
2018-02-13 10:19:46 +01:00
oprofile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
parisc
parisc: Hide Diva-built-in serial aux and graphics card
2017-12-29 17:53:47 +01:00
parport
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci
PCI: keystone: Fix interrupt-controller-node lookup
2018-02-22 15:42:27 +01:00
pcmcia
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
perf
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
phy
phy: work around 'phys' references to usb-nop-xceiv devices
2018-01-23 19:58:16 +01:00
pinctrl
pinctrl: sunxi: Fix A64 UART mux value
2018-02-25 11:07:56 +01:00
platform
Revert "apple-gmux: lock iGP IO to protect from vgaarb changes"
2018-02-22 15:42:26 +01:00
pnp
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
power
power: reset: zx-reboot: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
2018-02-03 17:38:51 +01:00
powercap
…
pps
drivers/pps: use surrounding "if PPS" to remove numerous dependency checks
2017-09-08 18:26:51 -07:00
ps3
…
ptp
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pwm
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rapidio
drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'
2017-12-14 09:53:08 +01:00
ras
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
regulator
Merge tag 'spdx_identifiers-4.14-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2017-11-02 10:04:46 -07:00
remoteproc
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reset
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rpmsg
rpmsg: glink: Initialize the "intent_req_comp" completion variable
2017-12-20 10:10:29 +01:00
rtc
rtc-opal: Fix handling of firmware error codes, prevent busy loops
2018-02-22 15:42:25 +01:00
s390
s390/dasd: prevent prefix I/O error
2018-02-25 11:07:59 +01:00
sbus
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
scsi
scsi: bfa: fix type conversion warning
2018-02-25 11:08:01 +01:00
sfi
x86/boot: Fix memremap() related build failure
2017-07-20 11:37:58 +02:00
sh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sn
…
soc
meson-gx-socinfo: Fix package id parsing
2018-02-25 11:07:56 +01:00
spi
spi: imx: do not access registers while clocks disabled
2018-02-03 17:39:23 +01:00
spmi
spmi: pmic-arb: Move the ownership check to irq_chip callback
2017-08-28 13:52:22 +02:00
ssb
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
staging
staging: iio: ad5933: switch buffer mode to software
2018-02-25 11:07:53 +01:00
target
iscsi-target: make sure to wake up sleeping login worker
2018-02-22 15:42:29 +01:00
tc
…
tee
optee: fix invalid of_node_put() in optee_driver_init()
2017-12-25 14:26:24 +01:00
thermal
thermal/drivers/hisi: Fix multiple alarm interrupts firing
2017-12-25 14:26:31 +01:00
thunderbolt
thunderbolt: tb: fix use after free in tb_activate_pcie_devices
2017-12-20 10:10:24 +01:00
tty
serial: core: mark port as initialized after successful IRQ change
2018-02-07 11:12:26 -08:00
uio
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
usb
usbip: keep usbip_device sockfd state in sync with tcp_socket
2018-02-25 11:07:53 +01:00
uwb
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vfio
vfio/pci: Virtualize Maximum Payload Size
2017-12-25 14:26:29 +01:00
vhost
vhost: use mutex_lock_nested() in vhost_dev_lock_vqs()
2018-02-25 11:07:45 +01:00
video
video: fbdev/mmp: add MODULE_LICENSE
2018-02-25 11:07:51 +01:00
virt
virt: Convert to using %pOF instead of full_name
2017-08-29 08:52:51 -05:00
virtio
virtio: release virtio index when fail to device_register
2017-12-14 09:52:48 +01:00
vlynq
…
vme
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
w1
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
watchdog
watchdog: imx2_wdt: restore previous timeout after suspend+resume
2018-02-16 20:23:04 +01:00
xen
xenbus: track caller request id
2018-02-22 15:42:28 +01:00
zorro
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Makefile
usb: build drivers/usb/common/ when USB_SUPPORT is set
2018-02-25 11:07:53 +01:00