qgroup_account_snapshot() is trying to unlock the not taken
tree_log_mutex in a error path. Since ret != 0 in this case, we can
just return from here.

Fixes: 2a4d84c11a87 ("btrfs: move delayed ref flushing for qgroup into qgroup helper")
Cc: stable <redacted> # 5.12
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
---
 fs/btrfs/transaction.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index f75de9f6c0ad..6aca64cf77dc 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c

@@ -1476,7 +1476,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans,
 	ret = btrfs_run_delayed_refs(trans, (unsigned long)-1);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
-		goto out;
+		return ret;
 	}
 
 	/*

-- 
2.32.0