[PATCH 18/52] ext4: return error when calling ext4_ext_split failed

["Theodore Ts'o" <tytso@xxxxxxx>]

From: Shen Feng <shen@xxxxxxxxxxxxxx>

ext4_ext_create_new_leaf must return error when its
calling to ext4_ext_split failed.

Signed-off-by: Shen Feng <shen@xxxxxxxxxxxxxx>
Signed-off-by: Mingming Cao <cmm@xxxxxxxxxx>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
---
 fs/ext4/extents.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index f7a746b..bc17ed7 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);
-- 
1.5.6.rc3.1.g36b7.dirty

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