NtStatus = IoGetDeviceObjectPointer(
IN &usDeviceToFilter,
IN FILE_ALL_ACCESS,
OUT &pTargetFileObject,
OUT &pTargetDeviceObject
);
if( !NT_SUCCESS(NtStatus) )
{
DbgPrint(("ComSpy.SYS:: Couldn't Get the Device Object\n"));
pTargetFileObject = NULL;
pTargetDeviceObject = NULL;