[graph] Error handling

2 years ago · 23838e5a2e
parent 04f4909257
commit 23838e5a2e
1 changed files with 2 additions and 1 deletions
--- a/src/graph/graph.hh
+++ b/src/graph/graph.hh
@ -207,7 +207,8 @@ struct graph_t
      }
      else if (single_parent != (unsigned) -1)
      {
-	parents.set (single_parent, 1);
+	if (!parents.set (single_parent, 1))
+	  return;
 	single_parent = (unsigned) -1;
      }