power: reset: at91-reset: check properly the return value of devm_of_iomap
authorClaudiu Beznea <claudiu.beznea@microchip.com>
Thu, 30 Sep 2021 10:09:28 +0000 (13:09 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Nov 2021 18:16:49 +0000 (19:16 +0100)
commita1e06f92b2dbc1898b127e867f4e715d85ba46ed
tree16b2f771710a92ef94bbe3b9db9811e381def9dc
parent9a8d7bdd5b5eec8821647219b82cdf1a5b43ebb2
power: reset: at91-reset: check properly the return value of devm_of_iomap

[ Upstream commit f558c8072c3461b65c12c0068b108f78cebc8246 ]

devm_of_iomap() returns error code or valid pointer. Check its return
value with IS_ERR().

Fixes: bd3127733f2c ("power: reset: at91-reset: use devm_of_iomap")
Reported-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/power/reset/at91-reset.c