IN  PDEVICE_OBJECT DeviceContext,
  IN  PIRP pIrp

Routine Description:

    This routine handles the cancelling a connect Irp. It must release the
    cancel spin lock before returning re: IoCancelIrp(). It is called when
    the session setup pdu has been sent, and the state is still outbound.

    The cancel routine is only setup when the timer is started to time
    sending the session response pdu.


Return Value:

    The final status from the operation.