nodegroup: check if an input is actually a passthrough

Fixes #2135
2023-02-22 12:50:56 -08:00
parent 8e2db520a7
commit 3bc53cef60
1 changed files with 4 additions and 0 deletions
@@ -160,6 +160,10 @@ bool NodeGroup::GetInner(NodeInput *input)
 {
  if (NodeGroup *g = dynamic_cast<NodeGroup*>(input->node())) {
    const NodeInput &passthrough = g->GetInputFromID(input->input());
+    if (!passthrough.IsValid()) {
+      return false;
+    }
+
    input->set_node(passthrough.node());
    input->set_input(passthrough.input());
    return true;