From cf5388307a2b4faab4b11d732b61c85741be6169 Mon Sep 17 00:00:00 2001
From: Jan Schmidt <list.btrfs@jan-o-sch.net>
Date: Wed, 4 Jul 2012 15:42:48 +0200
Subject: [PATCH] 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>
---
 fs/btrfs/ctree.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 8206b3900587..67fe46fdee6f 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -5127,6 +5127,7 @@ again:
 				 * 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;
-- 
2.11.4.GIT