From 1c2aeb3138148c6d4ee38b3eade4b36140eb46f4 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 30 Jun 2016 08:13:01 +0100
Subject: [PATCH] Added handling of NULL

---
 src/osgPlugins/txp/TXPArchive.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/osgPlugins/txp/TXPArchive.cpp b/src/osgPlugins/txp/TXPArchive.cpp
index e53bd5572..967dd3761 100644
--- a/src/osgPlugins/txp/TXPArchive.cpp
+++ b/src/osgPlugins/txp/TXPArchive.cpp
@@ -154,8 +154,12 @@ bool TXPArchive::loadMaterial(int ix)
 
     osg::StateSet* osg_state_set = new osg::StateSet;
 
-    const trpgMaterial *mat;
-    mat = materialTable.GetMaterialRef(0,i);
+    const trpgMaterial* mat = materialTable.GetMaterialRef(0,i);
+    if (!mat)
+    {
+        OSG_WARN<<"TXPArchive::loadMaterial("<<ix<<") failed."<<std::endl;
+        return false;
+    }
 
     // Set texture
     int numMatTex;