diff mbox series

[linux-next,v2] mm/slub: Remove the unneeded result variable

Message ID 20220822013830.199836-1-ye.xingchen@zte.com.cn (mailing list archive)
State New
Headers show
Series [linux-next,v2] mm/slub: Remove the unneeded result variable | expand

Commit Message

CGEL Aug. 22, 2022, 1:38 a.m. UTC
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(-)

Comments

Vlastimil Babka Aug. 23, 2022, 2:08 p.m. UTC | #1
On 8/22/22 03:38, cgel.zte@gmail.com wrote:
> 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>

Thanks, added to slab.git for-6.1/trivial

> ---
> 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)
diff mbox series

Patch

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)