From cf0ef681854ad53a0bdeff31ff5c49c8c31da99b Mon Sep 17 00:00:00 2001
From: Michael Stahl <mstahl@redhat.com>
Date: Mon, 8 Oct 2012 17:45:49 +0200
Subject: [PATCH] SwXTextDocument::getFlatParagraphIterator: fix crash:

Check if the document is still valid.  Crash in idle handler grammar
checker observed on libreoffice-3-5 branch.

Change-Id: I3cae1c6726bb9ad5be11f59bc33f8550bbbe1883
---
 sw/source/ui/uno/unotxdoc.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sw/source/ui/uno/unotxdoc.cxx b/sw/source/ui/uno/unotxdoc.cxx
index ef09ecf5a026..52d989de90e7 100644
--- a/sw/source/ui/uno/unotxdoc.cxx
+++ b/sw/source/ui/uno/unotxdoc.cxx
@@ -3033,6 +3033,12 @@ uno::Reference< text::XFlatParagraphIterator > SAL_CALL SwXTextDocument::getFlat
     throw ( uno::RuntimeException )
 {
     SolarMutexGuard aGuard;
+    if (!IsValid())
+    {
+        throw DisposedException("SwXTextDocument not valid",
+                static_cast<XTextDocument*>(this));
+    }
+
     return new SwXFlatParagraphIterator( *pDocShell->GetDoc(), nTextMarkupType, bAutomatic );
 }