ext4: return error when calling ext4_ext_split failed

ext4_ext_create_new_leaf must return error when its
calling to ext4_ext_split failed.

Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index f7a746b5b7be..bc17ed742845 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -981,6 +981,8 @@ repeat:
                 /* if we found index with free entry, then use that
                  * entry: create all needed subtree and add new leaf */
                 err = ext4_ext_split(handle, inode, path, newext, i);
+                if (err)
+                        goto out;
 
                 /* refill path */
                 ext4_ext_drop_refs(path);