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d1ed3ba4e3
linux-next/drivers/watchdog
History
Guenter Roeck d1ed3ba4e3 watchdog: Ensure that wdd is not dereferenced if NULL 
Smatch rightfully complains that wdd is dereferenced in the watchdog
release function after being checked for NULL. Also make sure that it
is not accessed outside mutex protection to avoid use-after-free problems.

Fixes: e6c71e84e4c0 ("watchdog: Introduce WDOG_HW_RUNNING flag")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-03-16 21:11:50 +01:00
..
acquirewdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
advantechwdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
alim1535_wdt.c
alim7101_wdt.c watchdog: alim7101: register restart handler with kernel restart handler 2014-09-26 00:00:32 -07:00
ar7_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
asm9260_wdt.c watchdog: asm9260: remove __init and __exit annotations 2016-01-11 22:48:05 +01:00
at32ap700x_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
at91rm9200_wdt.c Merge git://www.linux-watchdog.org/linux-watchdog 2015-09-11 15:12:59 -07:00
at91sam9_wdt.c watchdog: at91sam9: get and use slow clock 2015-09-09 21:38:52 +02:00
at91sam9_wdt.h watchdog: add a driver to support SAMA5D4 watchdog timer 2015-09-09 21:38:29 +02:00
ath79_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
atlas7_wdt.c watchdog: atlas7_wdt: test clock rate to avoid division by 0 2016-03-16 21:09:08 +01:00
bcm47xx_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
bcm63xx_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
bcm2835_wdt.c watchdog: bcm2835_wdt: Drop log message if watchdog is stopped 2015-12-28 23:04:04 +01:00
bcm7038_wdt.c watchdog: Watchdog driver for Broadcom Set-Top Box 2015-10-27 16:12:02 +01:00
bcm_kona_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
bfin_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
booke_wdt.c watchdog: booke_wdt: Use infrastructure to check timeout limits 2015-09-09 21:34:34 +02:00
cadence_wdt.c watchdog: cadence_wdt: use to_platform_device() 2015-12-27 21:15:34 +01:00
coh901327_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
cpu5wdt.c
cpwd.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
da9052_wdt.c watchdog: da9052_wdt: Drop reference counting 2015-12-29 20:36:03 +01:00
da9055_wdt.c watchdog: da9055_wdt: Drop reference counting 2015-12-29 20:36:04 +01:00
da9062_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
da9063_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
davinci_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
diag288_wdt.c watchdog: diag288: Stop re-using watchdog core internal flags 2015-12-29 20:36:02 +01:00
digicolor_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
dw_wdt.c watchdog: dw_wdt: Convert to use watchdog infrastructure 2016-03-16 21:11:21 +01:00
ebc-c384_wdt.c watchdog: Add watchdog timer support for the WinSystems EBC-C384 2016-03-01 16:25:47 +01:00
ep93xx_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
eurotechwdt.c
f71808e_wdt.c
gef_wdt.c watchdog: Fix module autoload for OF platform driver 2015-09-28 10:56:01 +02:00
geodewdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
gpio_wdt.c watchdog: gpio: Do not use device pointer from struct watchdog_device 2015-12-28 23:04:05 +01:00
hpwdt.c watchdog: hpwdt: HP rebranding 2015-12-28 22:09:12 +01:00
i6300esb.c
ib700wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
ibmasr.c
ie6xx_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
imgpdc_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
imx2_wdt.c watchdog: imx2: Convert to use infrastructure triggered keepalives 2016-03-16 21:11:23 +01:00
indydog.c
intel_scu_watchdog.c
intel_scu_watchdog.h
intel-mid_wdt.c watchdog: intel-mid: add Magic Closure flag 2015-10-28 22:58:32 +01:00
iop_wdt.c
it87_wdt.c watchdog: it87_wdt: add IT8783 ID 2015-02-17 21:32:08 +01:00
it8712f_wdt.c
iTCO_vendor_support.c
iTCO_vendor.h
iTCO_wdt.c watchdog: iTCO_wdt: Add support for TCO on Intel Sunrisepoint 2015-08-11 15:03:52 +01:00
ixp4xx_wdt.c
jz4740_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
Kconfig watchdog: dw_wdt: Convert to use watchdog infrastructure 2016-03-16 21:11:21 +01:00
kempld_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
ks8695_wdt.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
lantiq_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
lpc18xx_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
m54xx_wdt.c
machzwd.c
Makefile Watchdog: introduce ARM SBSA watchdog driver 2016-03-16 21:07:31 +01:00
max63xx_wdt.c watchdog: max63xx: make module's license marker match the header 2016-01-31 16:51:56 +01:00
mena21_wdt.c watchdog: mena21: Do not use device pointer from struct watchdog_device 2015-12-28 23:04:06 +01:00
menf21bmc_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
meson_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
mixcomwd.c
moxart_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
mpc8xxx_wdt.c watchdog: mpc8xxx: use better error code when watchdog cannot be enabled 2015-09-09 21:37:51 +02:00
mt7621_wdt.c watchdog: add MT7621 watchdog support 2016-01-09 17:45:28 +01:00
mtk_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
mtx-1_wdt.c
mv64x60_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
ni903x_wdt.c watchdog: ni903x_wdt: Add NI 903x/913x watchdog driver 2016-03-01 16:25:39 +01:00
nuc900_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
nv_tco.c watchdog: (nv_tco) add support for MCP79 2015-09-09 21:34:24 +02:00
nv_tco.h
octeon-wdt-main.c watchdog: octeon: use fixed length string for register names 2015-04-22 15:28:40 +02:00
octeon-wdt-nmi.S
of_xilinx_wdt.c watchdog: xilinx: Remove .owner field for driver 2014-10-20 20:43:42 +02:00
omap_wdt.c watchdog: omap: don't disable the timer when it should be enabled early 2015-12-27 21:09:40 +01:00
omap_wdt.h watchdog: omap_wdt: implement get_timeleft 2015-06-22 15:54:35 +02:00
orion_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
pc87413_wdt.c
pcwd_pci.c
pcwd_usb.c watchdog: pcwd_usb: fix compilation warning 2016-01-31 16:52:15 +01:00
pcwd.c
pika_wdt.c
pnx833x_wdt.c
pnx4008_wdt.c watchdog: pnx4008: restart: support "cmd" from userspace 2016-03-16 21:09:42 +01:00
qcom-wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
rc32434_wdt.c watchdog: rc32434_wdt: fix ioctl error handling 2016-03-01 15:29:42 +01:00
rdc321x_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
retu_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
riowd.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
rn5t618_wdt.c watchdog: add driver for Ricoh RN5T618 watchdog 2014-10-20 20:55:02 +02:00
rt2880_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
s3c2410_wdt.c watchdog: s3c2410_wdt: Add max and min timeout values 2016-03-16 21:08:09 +01:00
sa1100_wdt.c
sama5d4_wdt.c watchdog: add a driver to support SAMA5D4 watchdog timer 2015-09-09 21:38:29 +02:00
sb_wdog.c
sbc60xxwdt.c
sbc7240_wdt.c
sbc8360.c
sbc_epx_c3.c
sbc_fitpc2_wdt.c
sbsa_gwdt.c Watchdog: introduce ARM SBSA watchdog driver 2016-03-16 21:07:31 +01:00
sc520_wdt.c
sc1200wdt.c
sch311x_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
scx200_wdt.c
shwdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
sirfsoc_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
smsc37b787_wdt.c
softdog.c watchdog: refuse to unload softdog module when its timer is running 2015-12-27 21:02:21 +01:00
sp805_wdt.c watchdog: sp805: ping fails to abort wdt reset 2016-01-31 16:52:08 +01:00
sp5100_tco.c sp5100_tco: fix the device check for SB800 and later chipsets 2015-12-27 20:42:55 +01:00
sp5100_tco.h
st_lpc_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
stmp3xxx_rtc_wdt.c watchdog: stmp3xxx: Remove unused variables 2016-01-11 21:51:28 +01:00
sunxi_wdt.c watchdog: Add 'action' and 'data' parameters to restart handler callback 2016-03-01 15:36:35 +01:00
tangox_wdt.c watchdog: tangox_wdt: test clock rate to avoid division by 0 2016-03-16 21:09:16 +01:00
tegra_wdt.c watchdog: tegra: Stop watchdog first if restarting 2015-11-23 08:59:45 +01:00
ts72xx_wdt.c char: make misc_deregister a void function 2015-08-05 10:35:49 -07:00
ts4800_wdt.c watchdog: ts4800: add driver for TS-4800 watchdog 2015-12-28 22:29:35 +01:00
twl4030_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
txx9wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
ux500_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
via_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
w83627hf_wdt.c watchdog: w83627hf: Added NCT6102D support. 2016-03-01 14:22:05 +01:00
w83877f_wdt.c
w83977f_wdt.c watchdog: w83977f_wdt: underflow in wdt_set_timeout() 2015-11-23 08:59:30 +01:00
wafer5823wdt.c
watchdog_core.c watchdog: Make stop function optional 2016-03-16 21:11:16 +01:00
watchdog_core.h watchdog: Create watchdog device in watchdog_dev.c 2015-12-29 20:36:01 +01:00
watchdog_dev.c watchdog: Ensure that wdd is not dereferenced if NULL 2016-03-16 21:11:50 +01:00
wd501p.h
wdrtas.c
wdt285.c
wdt977.c
wdt_pci.c
wdt.c
wm831x_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
wm8350_wdt.c Watchdog: Fix parent of watchdog_devices 2015-09-09 21:39:22 +02:00
xen_wdt.c watchdog: drop owner assignment from platform_drivers 2014-10-20 16:21:56 +02:00
ziirave_wdt.c watchdog: ziirave_wdt: Rename "trigger" reset reason "hw watchdog" 2016-03-01 15:30:16 +01:00