mm/slab_common: Remove the unneeded result variable

Return the value from __kmem_cache_shrink() directly instead of storing it
 in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 17996649cfe3e9efb174a16c00b5c8c22176067b..0dfa3cfb6be582304b3f50723ee9aedc9a93d4b2 100644 (file)
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -495,13 +495,9 @@ EXPORT_SYMBOL(kmem_cache_destroy);
  */
 int kmem_cache_shrink(struct kmem_cache *cachep)
 {
-       int ret;
-
-
        kasan_cache_shrink(cachep);
-       ret = __kmem_cache_shrink(cachep);
 
-       return ret;
+       return __kmem_cache_shrink(cachep);
 }
 EXPORT_SYMBOL(kmem_cache_shrink);