diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 1d3e9262a9da..7527523c2d2d 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3582,6 +3582,7 @@ static noinline int cache_drop_leaf_ref(struct btrfs_trans_handle *trans,
 		info++;
 	}
 
+	kfree(sorted);
 	return 0;
 }