power: reset: mt6397: Check for null res pointer
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Mon, 20 Dec 2021 08:38:11 +0000 (16:38 +0800)
committerSebastian Reichel <sre@kernel.org>
Mon, 3 Jan 2022 17:30:21 +0000 (18:30 +0100)
commit1c1348bf056dee665760a3bd1cd30b0be7554fc2
treeb3efab16ef53816dda65a6ac0683f4a04707f7b4
parent9652c02428f3992129b73321fee32fe60b77c90f
power: reset: mt6397: Check for null res pointer

The return value of platform_get_resource() needs to be checked.
To avoid use of error pointer in case that there is no suitable
resource.

Fixes: d28c74c10751 ("power: reset: add driver for mt6323 poweroff")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
drivers/power/reset/mt6323-poweroff.c