linux-kernel - [PATCH] fs: f2fs: Use kmemdup

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Message-Id: <1364414011-3144-1-git-send-email-gheorghiuandru@gmail.com>
Date:	Wed, 27 Mar 2013 21:53:31 +0200
From:	Alexandru Gheorghiu <gheorghiuandru@...il.com>
To:	Jaegeuk Kim <jaegeuk.kim@...sung.com>
Cc:	linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Alexandru Gheorghiu <gheorghiuandru@...il.com>
Subject: [PATCH] fs: f2fs: Use kmemdup

Used kmemdup instead of kzalloc followed by memcpy.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@...il.com>
---
 fs/f2fs/segment.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 777f17e..1758149 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1403,10 +1403,9 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
 	bitmap_size = __bitmap_size(sbi, SIT_BITMAP);
 	src_bitmap = __bitmap_ptr(sbi, SIT_BITMAP);
 
-	dst_bitmap = kzalloc(bitmap_size, GFP_KERNEL);
+	dst_bitmap = kmemdup(src_bitmap, bitmap_size, GFP_KERNEL);
 	if (!dst_bitmap)
 		return -ENOMEM;
-	memcpy(dst_bitmap, src_bitmap, bitmap_size);
 
 	/* init SIT information */
 	sit_i->s_ops = &default_salloc_ops;
-- 
1.7.9.5

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