From 647f62a71de86575a6c5ac73c61371d336c8da75 Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Tue, 24 Mar 2015 12:21:01 +0300
Subject: [PATCH] Fix of crash in issue #416

---
 src/Model/Model_Update.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Model/Model_Update.cpp b/src/Model/Model_Update.cpp
index 38bbe15ad..df315616b 100644
--- a/src/Model/Model_Update.cpp
+++ b/src/Model/Model_Update.cpp
@@ -112,7 +112,7 @@ void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessag
       for(aFIter = myJustCreatedOrUpdated.begin(); aFIter != myJustCreatedOrUpdated.end(); aFIter++)
       {
         FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
-        if (aF && aF->getKind() == "Extrusion") {
+        if (aF && aF->data() && aF->data()->isValid() && aF->getKind() == "Extrusion") {
           if (aF->selection("extrusion_face")) {
             ResultPtr aSketchRes = aF->selection("extrusion_face")->context();
             if (aSketchRes) {
-- 
2.39.2