From 1825cf4a1526ac7f8acb771bf1d55a81aec25020 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Sat, 15 May 2004 08:01:56 +0000
Subject: [PATCH] Only split update region into client and non-client parts if
 there actually is something to split

svn path=/trunk/; revision=9392
---
 reactos/subsys/win32k/ntuser/painting.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/reactos/subsys/win32k/ntuser/painting.c b/reactos/subsys/win32k/ntuser/painting.c
index ef23170da14..b72f6a2cc74 100644
--- a/reactos/subsys/win32k/ntuser/painting.c
+++ b/reactos/subsys/win32k/ntuser/painting.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
- *  $Id: painting.c,v 1.82 2004/05/10 17:07:18 weiden Exp $
+ *  $Id: painting.c,v 1.83 2004/05/15 08:01:56 gvg Exp $
  *
  *  COPYRIGHT:        See COPYING in the top level directory
  *  PROJECT:          ReactOS kernel
@@ -286,6 +286,7 @@ IntInvalidateWindows(PWINDOW_OBJECT Window, HRGN hRgn, ULONG Flags)
     * Split the nonclient update region.
     */
 
+   if (NULL != Window->UpdateRegion)
    {
       HRGN hRgnWindow, hRgnNonClient;