[Bug 216564] emulators/virtualbox-ose: 5.1.14_2 USB passthrough does not work

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216564

--- Comment #2 from vermaden at interia.pl ---
This is that return value in source.

/usr/ports/obj/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.14/src %
grep -r VERR_PDM_NO_USB_PORTS .
./VBox/VMM/VMMR3/PDMUsb.cpp: *          VERR_PDM_NO_USB_HUBS or
VERR_PDM_NO_USB_PORTS on failure.
./VBox/VMM/VMMR3/PDMUsb.cpp:    return VERR_PDM_NO_USB_PORTS;

/usr/ports/obj/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.14/src %
grep -B 30 'return VERR_PDM_NO_USB_PORTS' ./VBox/VMM/VMMR3/PDMUsb.cpp
/**
 * Locates a suitable hub for the specified kind of device.
 *
 * @returns VINF_SUCCESS and *ppHub on success.
 *          VERR_PDM_NO_USB_HUBS or VERR_PDM_NO_USB_PORTS on failure.
 * @param   pVM             The cross context VM structure.
 * @param   iUsbVersion     The USB device version.
 * @param   ppHub           Where to store the pointer to the USB hub.
 */
static int pdmR3UsbFindHub(PVM pVM, uint32_t iUsbVersion, PPDMUSBHUB *ppHub)
{
    *ppHub = NULL;
    if (!pVM->pdm.s.pUsbHubs)
        return VERR_PDM_NO_USB_HUBS;

    for (PPDMUSBHUB pCur = pVM->pdm.s.pUsbHubs; pCur; pCur = pCur->pNext)
        if (pCur->cAvailablePorts > 0)
        {
            /* First check for an exact match. */
            if (pCur->fVersions & iUsbVersion)
            {
                *ppHub = pCur;
                break;
            }
            /* For high-speed USB 2.0 devices only, allow USB 1.1 fallback. */
            if ((iUsbVersion & VUSB_STDVER_20) && (pCur->fVersions ==
VUSB_STDVER_11))
                *ppHub = pCur;
        }
    if (*ppHub)
        return VINF_SUCCESS;
    return VERR_PDM_NO_USB_PORTS;

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