From 6b26fa6ca7effe200edb2947fd9c200ae86f8571 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Mon, 17 Apr 2017 11:07:54 +0200
Subject: [PATCH] fix segmentation fault in TaskFeaturePick::makeCopy

---
 src/Mod/PartDesign/Gui/TaskFeaturePick.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp b/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
index 02da50f264..7479ed452a 100644
--- a/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
+++ b/src/Mod/PartDesign/Gui/TaskFeaturePick.cpp
@@ -287,6 +287,9 @@ std::vector<App::DocumentObject*> TaskFeaturePick::buildFeatures()
 App::DocumentObject* TaskFeaturePick::makeCopy(App::DocumentObject* obj, std::string sub, bool independent) {
     
     App::DocumentObject* copy = nullptr;
+    // Check for null to avoid segfault
+    if (!obj)
+        return copy;
     if( independent &&
         (obj->isDerivedFrom(Sketcher::SketchObject::getClassTypeId()) ||
         obj->isDerivedFrom(PartDesign::FeaturePrimitive::getClassTypeId()))) {