USB驱动无法正常工作

NTSTATUS testprjWriteDispatch(
    IN  PDEVICE_OBJECT  DeviceObject,
    IN  PIRP            Irp
    )
{
    PTESTPRJ_DEVICE_EXTENSION    deviceExtension;
    NTSTATUS                        status;
    PIO_STACK_LOCATION              irpStack;
    PVOID                           writeBuffer;
    ULONG                           writeLength;

    testprjDebugPrint(DBG_IO, DBG_TRACE, __FUNCTION__"++. IRP %p", Irp);

    deviceExtension = (PTESTPRJ_DEVICE_EXTENSION)DeviceObject->DeviceExtension;

    status = testprjCheckIoLock(&deviceExtension->IoLock, Irp);
    if (!NT_SUCCESS(status) || (status == STATUS_PENDING))
    {
        testprjDebugPrint(DBG_IO, DBG_WARN, __FUNCTION__"--. IRP %p STATUS %x", Irp, status);

        return status;
    }

    // Get our IRP stack location
    irpStack = IoGetCurrentIrpStackLocation(Irp);

    // Get the write buffer length
    writeLength = irpStack->Parameters.Write.Length;
    if (writeLength == 0)
    {
        // just complete 0 length request
        status = STATUS_SUCCESS;

        Irp->IoStatus.Information = 0;
        Irp->IoStatus.Status = status;
        IoCompleteRequest(Irp, IO_NO_INCREMENT);

        testprjDecrementIoCount(&deviceExtension->IoLock);

        testprjDebugPrint(DBG_IO, DBG_WARN, __FUNCTION__"--. IRP %p, STATUS %x", Irp, status);

        return status;
    }

    writeBuffer = MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority);
//这里应该怎么改才能正常工作呢?
//    status =testprjPipe2Io(deviceExtension,Irp,deviceExtension->InterfaceInformation->Pipes);;
   status = STATUS_SUCCESS;
   Irp->IoStatus.Information = 0;
   Irp->IoStatus.Status = status;
   IoCompleteRequest (Irp, IO_NO_INCREMENT);
    testprjDecrementIoCount(&deviceExtension->IoLock);

    testprjDebugPrint(DBG_IO, DBG_TRACE, __FUNCTION__"--. IRP %p STATUS %x", Irp, status);

    return status;
}

试一下
status =testprjPipe2Io(deviceExtension,Irp,deviceExtension->InterfaceInformation->Pipes[0]);