From 324dc573a094f83d4447d0700aacc425eb99f9db Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Wed, 10 Dec 2014 11:30:02 +0000
Subject: [PATCH] From Farshid Lashkari, "The Collada loader would crash while
 processing textures on certain files. I've attached the fix."

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/branches/OpenSceneGraph-3.2@14596 16af8721-9629-0410-8352-f15c8da7e697
---
 src/osgPlugins/dae/daeRMaterials.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osgPlugins/dae/daeRMaterials.cpp b/src/osgPlugins/dae/daeRMaterials.cpp
index 02c920537..6c2887f3d 100644
--- a/src/osgPlugins/dae/daeRMaterials.cpp
+++ b/src/osgPlugins/dae/daeRMaterials.cpp
@@ -1047,7 +1047,7 @@ osg::Texture2D* daeReader::processTexture(
             return NULL;
         }
 
-        if (sampler->getSource() == NULL )
+        if (sampler->getSource() == NULL || sampler->getSource()->getValue() == NULL)
         {
             OSG_WARN << "Could not locate source for sampler2D" << std::endl;
             return NULL;