[ros-diffs] [tretiakov] 21563: Fix BSOD when executing gdi32_winetest bitmap

Author: tretiakov
Date: Wed Apr 12 17:22:57 2006
New Revision: 21563

URL: http://svn.reactos.ru/svn/reactos?rev=21563&view=rev
Log:
Fix BSOD when executing gdi32_winetest bitmap

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

Modified: trunk/reactos/subsystems/win32/win32k/objects/dibobj.c
URL:
http://svn.reactos.ru/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/dibobj.c (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/dibobj.c Wed Apr 12 17:22:57 2006
@@ -454,6 +454,13 @@
             BitmapFormat(Info->bmiHeader.biBitCount,
Info->bmiHeader.biCompression),
             0 < Info->bmiHeader.biHeight ? 0 : BMF_TOPDOWN,
             Bits);
+         
+         if(DestBitmap == NULL)
+         {
+            BITMAPOBJ_UnlockBitmap(BitmapObj);
+            return 0;
+         }
+         
          DestSurfObj = EngLockSurface((HSURF)DestBitmap);
 
          SourcePalette = PALETTE_LockPalette(hSourcePalette);