Commit 44365827 authored by Naohiro Aota's avatar Naohiro Aota Committed by David Sterba
Browse files

btrfs: fix unbalanced unlock in qgroup_account_snapshot() 



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: 2a4d84c1 ("btrfs: move delayed ref flushing for qgroup into qgroup helper")
CC: stable@vger.kernel.org # 5.12+
Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarNaohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent da658b57

fs/btrfs/transaction.c

+1 −1
Original line number Diff line number Diff line
@@ -1478,7 +1478,7 @@ 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;

	}



	/*