From e7db893c1f2f8bf168ab1481a4f7b6bfef310a56 Mon Sep 17 00:00:00 2001
From: Arne Morten Kvarving <arne.morten.kvarving@sintef.no>
Date: Tue, 29 Aug 2017 09:10:21 +0200
Subject: [PATCH] fixed: check for nullptr before dereferencing

---
 Apps/Common/MultiPatchModelGenerator.C | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Apps/Common/MultiPatchModelGenerator.C b/Apps/Common/MultiPatchModelGenerator.C
index 8653e788..10748281 100644
--- a/Apps/Common/MultiPatchModelGenerator.C
+++ b/Apps/Common/MultiPatchModelGenerator.C
@@ -157,6 +157,7 @@ MultiPatchModelGenerator1D::MultiPatchModelGenerator1D (const TiXmlElement* geo)
   nx = 1;
   periodic_x = 0;
   subdivision = false;
+  if (!geo) return;
   utl::getAttribute(geo,"nx",nx);
   utl::getAttribute(geo,"subdivision",subdivision);
   utl::getAttribute(geo,"periodic_x", periodic_x);
@@ -231,6 +232,7 @@ MultiPatchModelGenerator2D::MultiPatchModelGenerator2D (const TiXmlElement* geo)
   nx = ny = 1;
   periodic_x = periodic_y = 0;
   subdivision = false;
+  if (!geo) return;
   utl::getAttribute(geo,"nx",nx);
   utl::getAttribute(geo,"ny",ny);
   utl::getAttribute(geo,"subdivision",subdivision);
@@ -539,6 +541,7 @@ MultiPatchModelGenerator3D::MultiPatchModelGenerator3D (const TiXmlElement* geo)
   nx = ny = nz = 1;
   periodic_x = periodic_y = periodic_z = 0;
   subdivision = false;
+  if (!geo) return;
   utl::getAttribute(geo,"nx",nx);
   utl::getAttribute(geo,"ny",ny);
   utl::getAttribute(geo,"nz",nz);