[ Upstream commit 1c1348bf05 ]
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: d28c74c107 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>