Simplify the return expression.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Link: https://lore.kernel.org/r/20220505022102.54650-1-chi.minghao@zte.com.cnSigned-off-by: Mark Brown <broonie@kernel.org>