linux-kernel - [PATCH linux-next] mm/slab_common: Remove the unneeded result variable

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Date:   Tue, 23 Aug 2022 07:52:41 +0000
From:   cgel.zte@...il.com
To:     42.hyeyoo@...il.com
Cc:     cl@...ux.com, rientjes@...gle.com, iamjoonsoo.kim@....com,
        vbabka@...e.cz, roman.gushchin@...ux.dev, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, ye xingchen <ye.xingchen@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] mm/slab_common: Remove the unneeded result variable

From: ye xingchen <ye.xingchen@....com.cn>

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

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 mm/slab_common.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 17996649cfe3..0dfa3cfb6be5 100644
--- 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);
 
-- 
2.25.1