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* [PATCH] acpi: remove a meaningless null check before debugfs_remove
@ 2018-08-18 10:49 ` zhong jiang
  0 siblings, 0 replies; 5+ messages in thread
From: zhong jiang @ 2018-08-18 10:49 UTC (permalink / raw)
  To: rjw, lenb, linux-kernel, linux-acpi

debugfs_remove has taken null pointer into account. So it is safe
to remove the check before debugfs_remove.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/acpi/custom_method.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index e967c11..4451877 100644
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -92,8 +92,7 @@ static int __init acpi_custom_method_init(void)
 
 static void __exit acpi_custom_method_exit(void)
 {
-	if (cm_dentry)
-		debugfs_remove(cm_dentry);
+	debugfs_remove(cm_dentry);
 }
 
 module_init(acpi_custom_method_init);
-- 
1.7.12.4

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH] acpi: remove a meaningless null check before debugfs_remove
@ 2018-08-18 10:49 ` zhong jiang
  0 siblings, 0 replies; 5+ messages in thread
From: zhong jiang @ 2018-08-18 10:49 UTC (permalink / raw)
  To: rjw, lenb, linux-kernel, linux-acpi

debugfs_remove has taken null pointer into account. So it is safe
to remove the check before debugfs_remove.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/acpi/custom_method.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index e967c11..4451877 100644
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -92,8 +92,7 @@ static int __init acpi_custom_method_init(void)
 
 static void __exit acpi_custom_method_exit(void)
 {
-	if (cm_dentry)
-		debugfs_remove(cm_dentry);
+	debugfs_remove(cm_dentry);
 }
 
 module_init(acpi_custom_method_init);
-- 
1.7.12.4


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH] acpi: remove a meaningless null check before debugfs_remove
  2018-08-18 10:49 ` zhong jiang
@ 2018-09-06 14:28   ` zhong jiang
  -1 siblings, 0 replies; 5+ messages in thread
From: zhong jiang @ 2018-09-06 14:28 UTC (permalink / raw)
  To: rjw, lenb, linux-kernel, linux-acpi, jkosina, rafael.j.wysocki, rusty

+to maintainers

On 2018/8/18 18:49, zhong jiang wrote:
> debugfs_remove has taken null pointer into account. So it is safe
> to remove the check before debugfs_remove.
>
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  drivers/acpi/custom_method.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
> index e967c11..4451877 100644
> --- a/drivers/acpi/custom_method.c
> +++ b/drivers/acpi/custom_method.c
> @@ -92,8 +92,7 @@ static int __init acpi_custom_method_init(void)
>  
>  static void __exit acpi_custom_method_exit(void)
>  {
> -	if (cm_dentry)
> -		debugfs_remove(cm_dentry);
> +	debugfs_remove(cm_dentry);
>  }
>  
>  module_init(acpi_custom_method_init);

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] acpi: remove a meaningless null check before debugfs_remove
@ 2018-09-06 14:28   ` zhong jiang
  0 siblings, 0 replies; 5+ messages in thread
From: zhong jiang @ 2018-09-06 14:28 UTC (permalink / raw)
  To: rjw, lenb, linux-kernel, linux-acpi, jkosina, rafael.j.wysocki, rusty

+to maintainers

On 2018/8/18 18:49, zhong jiang wrote:
> debugfs_remove has taken null pointer into account. So it is safe
> to remove the check before debugfs_remove.
>
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  drivers/acpi/custom_method.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
> index e967c11..4451877 100644
> --- a/drivers/acpi/custom_method.c
> +++ b/drivers/acpi/custom_method.c
> @@ -92,8 +92,7 @@ static int __init acpi_custom_method_init(void)
>  
>  static void __exit acpi_custom_method_exit(void)
>  {
> -	if (cm_dentry)
> -		debugfs_remove(cm_dentry);
> +	debugfs_remove(cm_dentry);
>  }
>  
>  module_init(acpi_custom_method_init);



^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH] acpi: remove a meaningless null check before debugfs_remove
  2018-08-18 10:49 ` zhong jiang
  (?)
  (?)
@ 2018-09-14  8:37 ` Rafael J. Wysocki
  -1 siblings, 0 replies; 5+ messages in thread
From: Rafael J. Wysocki @ 2018-09-14  8:37 UTC (permalink / raw)
  To: zhong jiang; +Cc: lenb, linux-kernel, linux-acpi

On Saturday, August 18, 2018 12:49:20 PM CEST zhong jiang wrote:
> debugfs_remove has taken null pointer into account. So it is safe
> to remove the check before debugfs_remove.
> 
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  drivers/acpi/custom_method.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
> index e967c11..4451877 100644
> --- a/drivers/acpi/custom_method.c
> +++ b/drivers/acpi/custom_method.c
> @@ -92,8 +92,7 @@ static int __init acpi_custom_method_init(void)
>  
>  static void __exit acpi_custom_method_exit(void)
>  {
> -	if (cm_dentry)
> -		debugfs_remove(cm_dentry);
> +	debugfs_remove(cm_dentry);
>  }
>  
>  module_init(acpi_custom_method_init);
> 

Applied, thanks!

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2018-09-14  8:37 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-08-18 10:49 [PATCH] acpi: remove a meaningless null check before debugfs_remove zhong jiang
2018-08-18 10:49 ` zhong jiang
2018-09-06 14:28 ` zhong jiang
2018-09-06 14:28   ` zhong jiang
2018-09-14  8:37 ` Rafael J. Wysocki

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