linux-kernel - [PATCH] mm/mmap.c: Remove useless statement "vma = NULL" in find

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Date:	Thu,  3 Sep 2015 11:52:26 +0800
From:	gang.chen.5i5j@...il.com
To:	akpm@...ux-foundation.org, mhocko@...e.cz
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	gchen_5i5j@...n.com, Chen Gang <gang.chen.5i5j@...il.com>
Subject: [PATCH] mm/mmap.c: Remove useless statement "vma = NULL" in find_vma()

From: Chen Gang <gang.chen.5i5j@...il.com>

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@...il.com>
---
 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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