From cda99210d526124371b2d2202d56e35cca65e2cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Tr=C3=B6ger?= <stefantroeger@gmx.net>
Date: Sat, 14 May 2016 17:53:25 +0200
Subject: [PATCH] FEM: Protect iteration from null ptr

---
 src/Mod/Fem/App/FemMesh.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/Fem/App/FemMesh.cpp b/src/Mod/Fem/App/FemMesh.cpp
index 2cc75704b218..c60dcc3ec0d6 100644
--- a/src/Mod/Fem/App/FemMesh.cpp
+++ b/src/Mod/Fem/App/FemMesh.cpp
@@ -413,7 +413,7 @@ std::list<std::pair<int, int> > FemMesh::getVolumesByFace(const TopoDS_Face &fac
         const SMDS_MeshVolume* vol = vol_iter->next();
         SMDS_ElemIteratorPtr face_iter = vol->facesIterator();
 
-        while (face_iter->more()) {
+        while (face_iter && face_iter->more()) {
             const SMDS_MeshFace* face = static_cast<const SMDS_MeshFace*>(face_iter->next());
             int numNodes = face->NbNodes();