From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 4 Oct 2016 20:12:30 +0000 (-0600)
Subject: Do not dereference pointers unless we know that they are non-NULL.
X-Git-Tag: v8.5.0-rc1~603^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efd4d9044834554316b4a90a5bcac759ff755fce;p=dealii.git

Do not dereference pointers unless we know that they are non-NULL.
---

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index e881105112..34b530d6af 100644
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -13539,7 +13539,8 @@ Triangulation<dim, spacedim>::memory_consumption () const
   mem += sizeof(smooth_grid);
   mem += MemoryConsumption::memory_consumption (number_cache);
   mem += sizeof (faces);
-  mem += MemoryConsumption::memory_consumption (*faces);
+  if (faces)
+    mem += MemoryConsumption::memory_consumption (*faces);
 
   return mem;
 }