From: Yongqiang Yang <xiaoqiangnk@gmail.com>
Date: Mon, 23 May 2011 00:49:12 +0000 (-0400)
Subject: ext4: make ext4_split_extent() handle error correctly
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=93917411be8db5d21abf15c781dfa43c5cc6edf2;p=openwrt%2Fstaging%2Fblogic.git

ext4: make ext4_split_extent() handle error correctly

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Mingming Cao <cmm@us.ibm.com>
---

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 5f243da8ff1d..9a3844adb1cb 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2716,6 +2716,8 @@ static int ext4_split_extent(handle_t *handle,
 				       EXT4_EXT_MARK_UNINIT2;
 		err = ext4_split_extent_at(handle, inode, path,
 				map->m_lblk + map->m_len, split_flag1, flags1);
+		if (err)
+			goto out;
 	}
 
 	ext4_ext_drop_refs(path);