linux-kernel - [PATCH] ext4:memset is needless in ext4_ext_remove

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Message-ID: <4CD75033.7080902@redflag-linux.com>
Date:	Mon, 08 Nov 2010 09:19:47 +0800
From:	"潘卫平(Peter Pan)" 
	<wppan@...flag-linux.com>
To:	tytso@....edu, adilger.kernel@...ger.ca
CC:	linux-ext4@...r.kernel.org, kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ext4:memset is needless in ext4_ext_remove_space()


memset is needless because path is allocated by kzalloc.

Signed-off-by: Peter Pan(潘卫平) <wppan@...flag-linux.com>
---
  fs/ext4/extents.c |    1 -
  1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 0554c48..37cdb6e 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2375,7 +2375,6 @@ again:
  			/* go to the next level */
  			ext_debug("move to level %d (block %llu)\n",
  				  i + 1, ext4_idx_pblock(path[i].p_idx));
-			memset(path + i + 1, 0, sizeof(*path));
  			bh = sb_bread(sb, ext4_idx_pblock(path[i].p_idx));
  			if (!bh) {
  				/* should we reset i_size? */
-- 
1.6.6


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