From af15127871d38a862ce300ceda5cc74624fda8df Mon Sep 17 00:00:00 2001
From: Muthu Subramanian <sumuthu@suse.com>
Date: Wed, 1 Feb 2012 13:32:56 +0530
Subject: [PATCH] Fixes crashing while loading manipulated pptx files.

---
 oox/source/drawingml/diagram/diagram.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/oox/source/drawingml/diagram/diagram.cxx b/oox/source/drawingml/diagram/diagram.cxx
index 91a475f63468..919400191f52 100644
--- a/oox/source/drawingml/diagram/diagram.cxx
+++ b/oox/source/drawingml/diagram/diagram.cxx
@@ -340,7 +340,8 @@ void Diagram::addTo( const ShapePtr & pParentShape )
 
     // create Shape hierarchy
     ShapeCreationVisitor aCreationVisitor(pParentShape, *this);
-    mpLayout->getNode()->accept(aCreationVisitor);
+    if( mpLayout->getNode() )
+        mpLayout->getNode()->accept( aCreationVisitor );
 }
 
 OUString Diagram::getLayoutId() const