Btrfs: don't leak block group on error

In extent-tree.c:btrfs_write_dirty_block_groups(), if the call to
write_one_cache_group() failed, we would return without putting
the block group first.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 55b537fcb81a..54ee542c705e 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3317,10 +3317,9 @@ again:
                 last = cache->key.objectid + cache->key.offset;
 
                 err = write_one_cache_group(trans, root, path, cache);
+                btrfs_put_block_group(cache);
                 if (err) /* File system offline */
                         goto out;
-
-                btrfs_put_block_group(cache);
         }
 
         while (1) {