From: cgel.zte@gmail.com
To: 42.hyeyoo@gmail.com
Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
vbabka@suse.cz, roman.gushchin@linux.dev, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
ye xingchen <ye.xingchen@zte.com.cn>,
Zeal Robot <zealci@zte.com.cn>
Subject: [PATCH linux-next v2] mm/slub: Remove the unneeded result variable
Date: Mon, 22 Aug 2022 01:38:30 +0000 [thread overview]
Message-ID: <20220822013830.199836-1-ye.xingchen@zte.com.cn> (raw)
From: ye xingchen <ye.xingchen@zte.com.cn>
Return the value from attribute->store(s, buf, len) and
attribute->show(s, buf) directly instead of storing it in
another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
v1 -> v2
Add the whitespace between subsystem and summary in subject line.
mm/slub.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index 6953c3367bc2..7bea010a20ff 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5852,7 +5852,6 @@ static ssize_t slab_attr_show(struct kobject *kobj,
{
struct slab_attribute *attribute;
struct kmem_cache *s;
- int err;
attribute = to_slab_attr(attr);
s = to_slab(kobj);
@@ -5860,9 +5859,7 @@ static ssize_t slab_attr_show(struct kobject *kobj,
if (!attribute->show)
return -EIO;
- err = attribute->show(s, buf);
-
- return err;
+ return attribute->show(s, buf);
}
static ssize_t slab_attr_store(struct kobject *kobj,
@@ -5871,7 +5868,6 @@ static ssize_t slab_attr_store(struct kobject *kobj,
{
struct slab_attribute *attribute;
struct kmem_cache *s;
- int err;
attribute = to_slab_attr(attr);
s = to_slab(kobj);
@@ -5879,8 +5875,7 @@ static ssize_t slab_attr_store(struct kobject *kobj,
if (!attribute->store)
return -EIO;
- err = attribute->store(s, buf, len);
- return err;
+ return attribute->store(s, buf, len);
}
static void kmem_cache_release(struct kobject *k)
--
2.25.1
next reply other threads:[~2022-08-22 1:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-22 1:38 cgel.zte [this message]
2022-08-23 14:08 ` [PATCH linux-next v2] mm/slub: Remove the unneeded result variable Vlastimil Babka
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