Simplify the return expression.
Signed-off-by: NZheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201210135609.1372-1-zhengyongjun3@huawei.comSigned-off-by: NLinus Walleij <linus.walleij@linaro.org>