[cwittich] 30997: check for a valid dc before accessing Dc_Attr

Author: cwittich
Date: Tue Dec  4 18:31:11 2007
New Revision: 30997

URL: http://svn.reactos.org/svn/reactos?rev=30997&view=rev
Log:
check for a valid dc before accessing Dc_Attr

Modified:
    trunk/reactos/subsystems/win32/win32k/objects/gdibatch.c

Modified: trunk/reactos/subsystems/win32/win32k/objects/gdibatch.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/gdibatch.c (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/gdibatch.c Tue Dec  4 18:31:11 2007
@@ -88,6 +88,7 @@
      case GdiBCSetBrushOrg:
      {
         PGDIBSSETBRHORG pgSBO;
+        if(!dc) break;
         pgSBO = (PGDIBSSETBRHORG) pHdr;
         Dc_Attr->ptlBrushOrigin = pgSBO->ptlBrushOrigin;
         break;