[ros-diffs] [gadamopoulos] 50797: [win32k] - Check if CombinedClip is NULL before accesing it Should fix a crash with Download Master

Fri, 18 Feb 2011 06:26:25 -0800 

Author: gadamopoulos
Date: Fri Feb 18 14:26:11 2011
New Revision: 50797

URL: http://svn.reactos.org/svn/reactos?rev=50797&view=rev
Log:
[win32k]
- Check if CombinedClip is NULL before accesing it

Should fix a crash with Download Master

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

Modified: trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c
URL: 
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c?rev=50797&r1=50796&r2=50797&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c [iso-8859-1] 
(original)
+++ trunk/reactos/subsystems/win32/win32k/objects/bitmaps.c [iso-8859-1] Fri 
Feb 18 14:26:11 2011
@@ -438,7 +438,8 @@
 
     XPos += dc->ptlDCOrig.x;
     YPos += dc->ptlDCOrig.y;
-    if (RECTL_bPointInRect(&dc->rosdc.CombinedClip->rclBounds, XPos, YPos))
+    if ((dc->rosdc.CombinedClip == NULL) ||
+        (RECTL_bPointInRect(&dc->rosdc.CombinedClip->rclBounds, XPos, YPos)))
     {
         bInRect = TRUE;
         psurf = dc->dclevel.pSurface;

Reply via email to