Re: [PATCH] acpi: remove a meaningless null check before debugfs_remove

[zhong jiang]

+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 <zhongji...@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);