InitTimerImpl did not check for NULL pointer when it alloc memory.

Modified: trunk/reactos/subsys/win32k/ntuser/timer.c

--- trunk/reactos/subsys/win32k/ntuser/timer.c	2005-12-29 13:43:25 UTC (rev 20421)
+++ trunk/reactos/subsys/win32k/ntuser/timer.c	2005-12-29 13:53:35 UTC (rev 20422)
@@ -181,8 +181,13 @@

 
    ExInitializeFastMutex(&Mutex);
 

-   BitmapBytes = ROUND_UP(NUM_WINDOW_LESS_TIMERS, sizeof(ULONG) * 8) / 8;

+   BitmapBytes = ROUND_UP(NUM_WINDOW_LESS_TIMERS, sizeof(ULONG) * 8) / 8;   

    WindowLessTimersBitMapBuffer = ExAllocatePoolWithTag(PagedPool, BitmapBytes, TAG_TIMERBMP);

+   if (WindowLessTimersBitMapBuffer == NULL)
+   {
+      return STATUS_UNSUCCESSFUL;
+   }      
+   

    RtlInitializeBitMap(&WindowLessTimersBitMap,
                        WindowLessTimersBitMapBuffer,
                        BitmapBytes * 8);