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* [PATCH] Btrfs: don't leak delayed node on path allocation failure
@ 2013-10-12 19:32 Filipe David Borba Manana
  0 siblings, 0 replies; only message in thread
From: Filipe David Borba Manana @ 2013-10-12 19:32 UTC (permalink / raw)
  To: linux-btrfs; +Cc: Filipe David Borba Manana

If the path allocation failed, we would return without decrementing
the reference count in the delayed node we got before, resulting
in a leak.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
---
 fs/btrfs/delayed-inode.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index cbd9523..df1a496 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1174,8 +1174,10 @@ int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
 	mutex_unlock(&delayed_node->mutex);
 
 	path = btrfs_alloc_path();
-	if (!path)
+	if (!path) {
+		btrfs_release_delayed_node(delayed_node);
 		return -ENOMEM;
+	}
 	path->leave_spinning = 1;
 
 	block_rsv = trans->block_rsv;
-- 
1.7.9.5


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2013-10-12 19:32 [PATCH] Btrfs: don't leak delayed node on path allocation failure Filipe David Borba Manana

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