watchdog: qcom: Check for platform_get_resource() failure
authorFabio Estevam <fabio.estevam@nxp.com>
Sat, 22 Jul 2017 16:04:33 +0000 (13:04 -0300)
committerWim Van Sebroeck <wim@iguana.be>
Sat, 9 Sep 2017 18:50:35 +0000 (20:50 +0200)
commit15210ad18fcbd7f53f40e26e4391710d271c2daf
tree2708ced2eafdf1c3077bb4d45c1a7581dee5c44a
parent6f671c6b6288fd673e8b8b8acf1070100ba8188a
watchdog: qcom: Check for platform_get_resource() failure

platform_get_resource() may fail, so we should better check its
return value and propagate an error in case it fails.

This avoids a NULL pointer dereference a bit later in the code.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
drivers/watchdog/qcom-wdt.c