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gpio: mlxbf2: fix return value check in mlxbf2_gpio_get_lock_res()

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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>
This commit is contained in:
Wei Yongjun 2020-04-27 11:08:29 +00:00 committed by Linus Walleij
parent 1c12857c67
commit 66d8ad67aa
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-mlxbf2.c
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@ -109,8 +109,8 @@ 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);