[PATCH 4/4] btrfs: Fix transaction abort during failure in del_balance_item()

[Yangtao Li <frank.li@vivo.com>]

Handle errors by adding explicit btrfs_abort_transaction
and btrfs_end_transaction calls.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
 fs/btrfs/volumes.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 347c475028e0..23739d18d833 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3777,7 +3777,7 @@ static int del_balance_item(struct btrfs_fs_info *fs_info)
 	struct btrfs_trans_handle *trans;
 	BTRFS_PATH_AUTO_FREE(path);
 	struct btrfs_key key;
-	int ret, err;
+	int ret;
 
 	path = btrfs_alloc_path();
 	if (!path)
@@ -3800,10 +3800,13 @@ static int del_balance_item(struct btrfs_fs_info *fs_info)
 	}
 
 	ret = btrfs_del_item(trans, root, path);
+	if (ret)
+		goto out;
+
+	return btrfs_commit_transaction(trans);
 out:
-	err = btrfs_commit_transaction(trans);
-	if (err && !ret)
-		ret = err;
+	btrfs_abort_transaction(trans, ret);
+	btrfs_end_transaction(trans);
 	return ret;
 }
 
-- 
2.39.0