diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 1f71695cb0a80288e4a3256bcd9167dc03efb15a..1124d236291d75b12a2f2fae5a3060f6efbc0e67 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2910,7 +2910,7 @@ int btrfs_search_slot(struct btrfs_trans_handle *trans, struct btrfs_root *root,
 			}
 			if (!p->search_for_split)
 				unlock_up(p, level, lowest_unlock,
-					  min_write_lock_level, &write_lock_level);
+					  min_write_lock_level, NULL);
 			goto done;
 		}
 	}