From: Wei Yongjun weiyongjun1@huawei.com
[ Upstream commit 66d8ad67aab3bc6f55e7de81565cd0d4875bd851 ]
In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test.
Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Link: https://lore.kernel.org/r/20200427110829.154785-1-weiyongjun1@huawei.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-mlxbf2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c index da570e63589d..cc0dd8593a4b 100644 --- a/drivers/gpio/gpio-mlxbf2.c +++ b/drivers/gpio/gpio-mlxbf2.c @@ -110,8 +110,8 @@ static int mlxbf2_gpio_get_lock_res(struct platform_device *pdev) }
yu_arm_gpio_lock_param.io = devm_ioremap(dev, res->start, size); - if (IS_ERR(yu_arm_gpio_lock_param.io)) - ret = PTR_ERR(yu_arm_gpio_lock_param.io); + if (!yu_arm_gpio_lock_param.io) + ret = -ENOMEM;
exit: mutex_unlock(yu_arm_gpio_lock_param.lock);