[ros-diffs] [tkreuzer] 42671: [win32k] EngCreateDeviceBitmap: handle failure of EngLockSurface. Found by Amine.

[tkreuzer]

Author: tkreuzer
Date: Sat Aug 15 00:08:15 2009
New Revision: 42671

URL: http://svn.reactos.org/svn/reactos?rev=42671&view=rev
Log:
[win32k] EngCreateDeviceBitmap: handle failure of EngLockSurface. Found by 
Amine.

Modified:
    trunk/reactos/subsystems/win32/win32k/eng/surface.c

Modified: trunk/reactos/subsystems/win32/win32k/eng/surface.c
URL: 
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/eng/surface.c?rev=42671&r1=42670&r2=42671&view=diff
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/eng/surface.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/eng/surface.c [iso-8859-1] Sat Aug 15 
00:08:15 2009
@@ -191,6 +191,13 @@
     }
 
     pso = EngLockSurface((HSURF)NewBitmap);
+    if (!pso)
+    {
+        DPRINT1("EngLockSurface failed on newly created bitmap!\n");
+        GreDeleteObject(NewBitmap);
+        return NULL;
+    }
+
     pso->dhsurf = dhsurf;
     EngUnlockSurface(pso);