C++ (Cpp) refresh_imported_device_list Exemples

Exemple #1

Fichier : vhci_driver.c Projet : mdamt/linux

int usbip_vhci_driver_open(void)
{
	udev_context = udev_new();
	if (!udev_context) {
		err("udev_new failed");
		return -1;
	}

	vhci_driver = calloc(1, sizeof(struct usbip_vhci_driver));

	/* will be freed in usbip_driver_close() */
	vhci_driver->hc_device =
		udev_device_new_from_subsystem_sysname(udev_context,
						       USBIP_VHCI_BUS_TYPE,
						       USBIP_VHCI_DEVICE_NAME);
	if (!vhci_driver->hc_device) {
		err("udev_device_new_from_subsystem_sysname failed");
		goto err;
	}

	vhci_driver->nports = get_nports();
	dbg("available ports: %d", vhci_driver->nports);

	if (vhci_driver->nports <= 0) {
		err("no available ports");
		goto err;
	} else if (vhci_driver->nports > MAXNPORT) {
		err("port number exceeds %d", MAXNPORT);
		goto err;
	}

	vhci_driver->ncontrollers = get_ncontrollers();
	dbg("available controllers: %d", vhci_driver->ncontrollers);

	if (vhci_driver->ncontrollers <=0) {
		err("no available usb controllers");
		goto err;
	}

	if (refresh_imported_device_list())
		goto err;

	return 0;

err:
	udev_device_unref(vhci_driver->hc_device);

	if (vhci_driver)
		free(vhci_driver);

	vhci_driver = NULL;

	udev_unref(udev_context);

	return -1;
}

Exemple #2

Fichier : vhci_driver.c Projet : 7799/linux

int usbip_vhci_refresh_device_list(void)
{

	if (refresh_imported_device_list())
		goto err;

	return 0;
err:
	dbg("failed to refresh device list");
	return -1;
}

Exemple #3

Fichier : vhci_driver.c Projet : 7799/linux

int usbip_vhci_driver_open(void)
{
	udev_context = udev_new();
	if (!udev_context) {
		err("udev_new failed");
		return -1;
	}

	vhci_driver = calloc(1, sizeof(struct usbip_vhci_driver));

	/* will be freed in usbip_driver_close() */
	vhci_driver->hc_device =
		udev_device_new_from_subsystem_sysname(udev_context,
						       USBIP_VHCI_BUS_TYPE,
						       USBIP_VHCI_DRV_NAME);
	if (!vhci_driver->hc_device) {
		err("udev_device_new_from_subsystem_sysname failed");
		goto err;
	}

	vhci_driver->nports = get_nports();

	dbg("available ports: %d", vhci_driver->nports);

	if (refresh_imported_device_list())
		goto err;

	return 0;

err:
	udev_device_unref(vhci_driver->hc_device);

	if (vhci_driver)
		free(vhci_driver);

	vhci_driver = NULL;

	udev_unref(udev_context);

	return -1;
}

Exemple #4

Fichier : vhci_driver.c Projet : AlexShiLucky/linux

int usbip_vhci_driver_open(void)
{
	int nports;
	struct udev_device *hc_device;

	udev_context = udev_new();
	if (!udev_context) {
		err("udev_new failed");
		return -1;
	}

	/* will be freed in usbip_driver_close() */
	hc_device =
		udev_device_new_from_subsystem_sysname(udev_context,
						       USBIP_VHCI_BUS_TYPE,
						       USBIP_VHCI_DEVICE_NAME);
	if (!hc_device) {
		err("udev_device_new_from_subsystem_sysname failed");
		goto err;
	}

	nports = get_nports(hc_device);
	if (nports <= 0) {
		err("no available ports");
		goto err;
	}
	dbg("available ports: %d", nports);

	vhci_driver = calloc(1, sizeof(struct usbip_vhci_driver) +
			nports * sizeof(struct usbip_imported_device));
	if (!vhci_driver) {
		err("vhci_driver allocation failed");
		goto err;
	}

	vhci_driver->nports = nports;
	vhci_driver->hc_device = hc_device;
	vhci_driver->ncontrollers = get_ncontrollers();
	dbg("available controllers: %d", vhci_driver->ncontrollers);

	if (vhci_driver->ncontrollers <=0) {
		err("no available usb controllers");
		goto err;
	}

	if (refresh_imported_device_list())
		goto err;

	return 0;

err:
	udev_device_unref(hc_device);

	if (vhci_driver)
		free(vhci_driver);

	vhci_driver = NULL;

	udev_unref(udev_context);

	return -1;
}