Re: [PATCH] mm/mmap.c: Remove useless statement "vma = NULL" in find_vma()

[Oleg Nesterov]

On 09/05, Chen Gang wrote:
>
> From b12fa5a9263cf4c044988e59f0071f4bcc132215 Mon Sep 17 00:00:00 2001
> From: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
> Date: Sat, 5 Sep 2015 21:49:56 +0800
> Subject: [PATCH] mm/mmap.c: Remove useless statement "vma = NULL" in
>  find_vma()
>
> Before the main looping, vma is already is NULL, so need not set it to
> NULL, again.
>
> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>

> ---
>  mm/mmap.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/mm/mmap.c b/mm/mmap.c
> index df6d5f0..4db7cf0 100644
> --- a/mm/mmap.c
> +++ b/mm/mmap.c
> @@ -2054,7 +2054,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
>  		return vma;
>  
>  	rb_node = mm->mm_rb.rb_node;
> -	vma = NULL;
>  
>  	while (rb_node) {
>  		struct vm_area_struct *tmp;
> -- 
> 1.9.3
>
>


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