NTAllocateNbtIrp(
  IN  PDEVICE_OBJECT   DeviceObject
  );

Routine Description:

    This routine allocates an irp by calling the IO system, and then it
    undoes the queuing of the irp to the current thread, since these are
    NBTs own irps, and should not be attached to a thread.

Arguments:


Return Value:

    NTSTATUS - success or not