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Btrfs: fix buffer leak in btrfs_next_old_leaf
author
Jan Schmidt
<list.btrfs@jan-o-sch.net>
Wed, 4 Jul 2012 13:42:48 +0000
(15:42 +0200)
committer
Jan Schmidt
<list.btrfs@jan-o-sch.net>
Tue, 10 Jul 2012 13:14:41 +0000
(15:14 +0200)
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
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diff --git
a/fs/btrfs/ctree.c
b/fs/btrfs/ctree.c
index
8206b39
..
67fe46f
100644
(file)
--- 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;