linux-kernel - [PATCH] mincore: remove unneeded variable 'err'

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Message-ID: <20150130105302.GA24970@devel.8.8.4.4>
Date:	Fri, 30 Jan 2015 19:53:02 +0900
From:	Daeseok Youn <daeseok.youn@...il.com>
To:	akpm@...ux-foundation.org
Cc:	hannes@...xchg.org, n-horiguchi@...jp.nec.com, riel@...hat.com,
	minchan@...nel.org, daeseok.youn@...il.com,
	kirill.shutemov@...ux.intel.com, weijie.yang@...sung.com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mincore: remove unneeded variable 'err'

mincore_hugetlb() returns always '0'

Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
---
 mm/mincore.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/mm/mincore.c b/mm/mincore.c
index 8d6db5c..be25efd 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -22,7 +22,6 @@
 static int mincore_hugetlb(pte_t *pte, unsigned long hmask, unsigned long addr,
 			unsigned long end, struct mm_walk *walk)
 {
-	int err = 0;
 #ifdef CONFIG_HUGETLB_PAGE
 	unsigned char present;
 	unsigned char *vec = walk->private;
@@ -38,7 +37,7 @@ static int mincore_hugetlb(pte_t *pte, unsigned long hmask, unsigned long addr,
 #else
 	BUG();
 #endif
-	return err;
+	return 0;
 }
 
 /*
-- 
1.7.1

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