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 5f243da8ff1dce84fdfe9d9f0505821c6bc431bc..9a3844adb1cb1f905ecb96db695132257e9dc36e 100644 (file)
--- 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);