Prevent nullptr exception. Had this happen once.

2017-12-04 07:30:48 +01:00
parent ddb7958f40
commit 854881bba2
1 changed files with 3 additions and 1 deletions
--- a/simgear/canvas/elements/CanvasGroup.cxx
+++ b/simgear/canvas/elements/CanvasGroup.cxx
@@ -387,7 +387,9 @@ namespace canvas
    OSGUserData* ud =
      static_cast<OSGUserData*>(_transform->getChild(index)->getUserData());
    assert(ud);
-    return ud->element;
+    if (ud)
+        return ud->element;
+    return nullptr;
  }

  //----------------------------------------------------------------------------