1179 	struct usb_interface *data_interface;  in acm_probe()  local
1211 		data_interface = usb_ifnum_to_if(usb_dev, 1);  in acm_probe()
1214 		if (!data_interface || !control_interface)  in acm_probe()
1250 			control_interface = data_interface = intf;  in acm_probe()
1255 			data_interface = usb_ifnum_to_if(usb_dev, data_intf_num);  in acm_probe()
1266 		data_interface = usb_ifnum_to_if(usb_dev, data_intf_num);  in acm_probe()
1274 			control_interface = data_interface = intf;  in acm_probe()
1279 	if (!control_interface || !data_interface) {  in acm_probe()
1287 	if (control_interface == data_interface) {  in acm_probe()
1293 		if (data_interface->cur_altsetting->desc.bNumEndpoints != 3) {  in acm_probe()
1298 		res = usb_find_common_endpoints(data_interface->cur_altsetting,  in acm_probe()
1309 	if (data_interface->cur_altsetting->desc.bInterfaceClass != USB_CLASS_CDC_DATA) {  in acm_probe()
1313 			swap(control_interface, data_interface);  in acm_probe()
1323 	if (data_interface->cur_altsetting->desc.bNumEndpoints < 2 ||  in acm_probe()
1328 	epread = &data_interface->cur_altsetting->endpoint[0].desc;  in acm_probe()
1329 	epwrite = &data_interface->cur_altsetting->endpoint[1].desc;  in acm_probe()
1355 	acm->data = data_interface;  in acm_probe()
1507 		rv = usb_driver_claim_interface(&acm_driver, data_interface, acm);  in acm_probe()
1531 		usb_set_intfdata(data_interface, NULL);  in acm_probe()
1532 		usb_driver_release_interface(&acm_driver, data_interface);  in acm_probe()