From 602faeb4048ea747eab23726cc9abdd36b952871 Mon Sep 17 00:00:00 2001
From: Royce Mitchell III <royce3@ev1.net>
Date: Mon, 4 Aug 2003 19:10:52 +0000
Subject: [PATCH] bugfix in W32kDeleteDC() - you can't release a NULL handle (
 i.e. DCToDelete->w.hBitmap )

svn path=/trunk/; revision=5414
---
 reactos/subsys/win32k/objects/dc.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/reactos/subsys/win32k/objects/dc.c b/reactos/subsys/win32k/objects/dc.c
index 1963a78b052..91eeef16358 100644
--- a/reactos/subsys/win32k/objects/dc.c
+++ b/reactos/subsys/win32k/objects/dc.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: dc.c,v 1.67 2003/08/04 00:18:21 royce Exp $
+/* $Id: dc.c,v 1.68 2003/08/04 19:10:52 royce Exp $
  *
  * DC.C - Device context functions
  *
@@ -544,7 +544,10 @@ W32kDeleteDC(HDC  DCHandle)
     W32kSelectObject (DCHandle, STOCK_WHITE_BRUSH);
     W32kSelectObject (DCHandle, STOCK_SYSTEM_FONT);
     DC_LockDC (DCHandle); W32kSelectObject does not recognize stock objects yet  */
-    BITMAPOBJ_ReleasePtr(DCToDelete->w.hBitmap);
+    if ( DCToDelete->w.hBitmap != NULL )
+    {
+      BITMAPOBJ_ReleasePtr(DCToDelete->w.hBitmap);
+    }
     if (DCToDelete->w.flags & DC_MEMORY)
     {
       EngDeleteSurface (DCToDelete->Surface);