[mjmartin] 48635: [input/i8042prt] - Fix a check when queuing the mouse packet. Check that the buffer size (MouseInBuffer) is not greater or equal to MouseDataQueueSize. Fixes a NonPagedPool corrup...

Author: mjmartin
Date: Sat Aug 28 23:23:43 2010
New Revision: 48635

URL: http://svn.reactos.org/svn/reactos?rev=48635&view=rev
Log:
[input/i8042prt]
- Fix a check when queuing the mouse packet. Check that the buffer size (MouseInBuffer) is not greater or equal to MouseDataQueueSize. Fixes a NonPagedPool corruption that occurs when the mouse is moved before the desktop window is up and running.

Modified:
    trunk/reactos/drivers/input/i8042prt/mouse.c

Modified: trunk/reactos/drivers/input/i8042prt/mouse.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/input/i8042prt/mous...
==============================================================================
--- trunk/reactos/drivers/input/i8042prt/mouse.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/input/i8042prt/mouse.c [iso-8859-1] Sat Aug 28 23:23:43 2010
@@ -49,7 +49,7 @@

DeviceExtension->MouseComplete = TRUE;
    DeviceExtension->MouseInBuffer++;
-	if (DeviceExtension->MouseInBuffer > DeviceExtension->Common.PortDeviceExtension->Settings.MouseDataQueueSize)
+	if (DeviceExtension->MouseInBuffer >= DeviceExtension->Common.PortDeviceExtension->Settings.MouseDataQueueSize)
    {
    	WARN_(I8042PRT, "Mouse buffer overflow\n");
    	DeviceExtension->MouseInBuffer--;