mm/slub: Remove the unneeded result variable
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>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
diff --git a/mm/slub.c b/mm/slub.c
index 862dbd9..dc59b9e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5826,7 +5826,6 @@ 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);
@@ -5834,9 +5833,7 @@ 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,
@@ -5845,7 +5842,6 @@ 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);
@@ -5853,8 +5849,7 @@ 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)
