Fix UpdateOnceCallback crash (bug 1554/1556/1568)

(cherry picked from commit dc1816bb08)
2015-01-18 21:29:19 +00:00
parent 2d00653f6e
commit 2931f3380f
1 changed files with 3 additions and 0 deletions
--- a/simgear/scene/util/UpdateOnceCallback.cxx
+++ b/simgear/scene/util/UpdateOnceCallback.cxx
@@ -28,6 +28,9 @@ using namespace osg;

 void UpdateOnceCallback::operator()(Node* node, NodeVisitor* nv)
 {
+    ref_ptr<UpdateOnceCallback> prevent_premature_deletion=this;
+    // workaround for crash bug in OSG 3.2.1
+    // https://bugs.debian.org/765855
    doUpdate(node, nv);
    node->removeUpdateCallback(this);
    // The callback could be deleted now.