Repeated device binding

[rprokop]

There is no check if device is already bound. And repeated binding usually completed successfully: C:\projects\usbip-win\Debug\x64>usbip.exe -d bind -b 1-112 usbip: debug: usbip.c:151:[run_command] running command: bind usbip: info: bind device on busid 1-112: complete

C:\projects\usbip-win\Debug\x64>usbip.exe -d bind -b 1-112 usbip: debug: usbip.c:151:[run_command] running command: bind usbip: info: bind device on busid 1-112: complete

Next unbinding always fails: C:\projects\usbip-win\Debug\x64>usbip.exe -d unbind -b 1-112 usbip: debug: usbip.c:151:[run_command] running command: unbind usbip: debug: usbip_stub.c:204:[rollback_driver] failed to rollback driver: 103 usbip: error: failed to unbind device on busid 1-112

0x103 = ERROR_NO_MORE_ITEMS But, in fact, the device was not unbound

I found only manual way to unbind device.

1. Run "pnputil -f -d oem#.inf". Where number in "oem#.inf" The number can be viewed in the properties of the device.
2. "Remove Device" on context menu in the "Devices and Printers".
3. Remove and insert the physical device.

Original usbip on linux prevents repeated bindings root@host:/home/user# usbip bind -b 1-1.6 usbip: info: bind device on busid 1-1.6: complete root@host:/home/user# usbip bind -b 1-1.6 usbip: error: device on busid 1-1.6 is already bound to usbip-host

Is there a way to prevent repeated device binding in usbip-win?

[rprokop]

I modified userspace/lib/usbip_stub.c to insert the check before stub driver installation:

static int
walker_attach(HDEVINFO dev_info, PSP_DEVINFO_DATA pdev_info_data, devno_t devno, void *ctx)
{
    devno_t *pdevno = (devno_t *)ctx;

    if (devno == *pdevno)
    {
        if(is_service_usbip_stub(dev_info, pdev_info_data)) {
            err("device on busid 1-%d is already bound to usbip-stub", (unsigned)devno);
            return ERR_STATUS;
        }

        int ret = apply_stub_fdo(dev_info, pdev_info_data);
        if (ret < 0)
            return ret;
        return 1;
    }
    return 0;
}

[cezanne]

@rprokop : Please refer to https://github.com/cezanne/usbip-win/issues/311#issuecomment-1152911098

[cezanne]

@rprokop : close this issue. Please reopen if you need.