Return value directly instead of taking this in another redundant
variable.

Link: https://lkml.kernel.org/r/20211207083222.401594-1-chi.minghao@zte.com.cnSigned-off-by: Nchiminghao <chi.minghao@zte.com.cn>
Reported-by: NZeal Robot <zealci@zte.com.cm>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Reviewed-by: NPankaj Gupta <pankaj.gupta@ionos.com>
Reviewed-by: NMuchun Song <songmuchun@bytedance.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>