commit e6466e354a5c23717325adecf387f93be4b9c830
author Jan Schmidt <list.btrfs@jan-o-sch.net> Wed Jul 04 08:15:02 2012 -0600
committer Chris Mason <chris.mason@fusionio.com> Mon Jul 23 16:28:03 2012 -0400
tree a7ad528896577109a6509dfb215d59fef855987e
parent f6175efab1e024554a104cca1f86134ef7ce06bc

Btrfs: fix buffer leak in btrfs_next_old_leaf

When calling btrfs_next_old_leaf, we were leaking an extent buffer in the
rare case of using the deadlock avoidance code needed for the tree mod log.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

fs/btrfs/ctree.c

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 8206b39..67fe46f 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -5127,6 +5127,7 @@
 				 * locked. To solve this situation, we give up
 				 * on our lock and cycle.
 				 */
+				free_extent_buffer(next);
 				btrfs_release_path(path);
 				cond_resched();
 				goto again;