Merge branch 'V8_4_BR'

[modules/smesh.git] / src / SMESHGUI / SMESHGUI_Utils.cxx

diff --git a/src/SMESHGUI/SMESHGUI_Utils.cxx b/src/SMESHGUI/SMESHGUI_Utils.cxx
index c8f22670819b90e199e4016b5fa38993dc5ac72c..21f74593fbde626c20cdcba8a1061971d4209417 100644 (file)
--- a/src/SMESHGUI/SMESHGUI_Utils.cxx
+++ b/src/SMESHGUI/SMESHGUI_Utils.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2015  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -280,7 +280,7 @@ namespace SMESH
   void ModifiedMesh (_PTR(SObject) theSObject, bool theIsNotModif, bool isEmptyMesh)
   {
     _PTR(Study) aStudy = GetActiveStudyDocument();
-    if (aStudy->GetProperties()->IsLocked())
+    if ( !aStudy || aStudy->GetProperties()->IsLocked() )
       return;
 
     _PTR(StudyBuilder) aBuilder = aStudy->NewBuilder();