149 		struct usb_interface *interface = &dev->actconfig->interface[i];  in usb_drivers_purge()  local
151 		if (interface->driver == driver) {  in usb_drivers_purge()
153 			driver->disconnect(dev, interface->private_data);  in usb_drivers_purge()
156 			if (interface->driver)  in usb_drivers_purge()
157 				usb_driver_release_interface(driver, interface);  in usb_drivers_purge()
203 		if (dev->actconfig->interface[i].altsetting[0].bInterfaceNumber == ifnum)  in usb_ifnum_to_ifpos()
214 		if (dev->actconfig->interface[i].altsetting[0].bInterfaceNumber == ifnum)  in usb_ifnum_to_if()
215 			return &dev->actconfig->interface[i];  in usb_ifnum_to_if()
225 		for (j = 0; j < dev->actconfig->interface[i].num_altsetting; j++)  in usb_epnum_to_ep_desc()
226 			for (k = 0; k < dev->actconfig->interface[i].altsetting[j].bNumEndpoints; k++)  in usb_epnum_to_ep_desc()
227 				if (epnum == dev->actconfig->interface[i].altsetting[j].endpoint[k].bEndpointAddress)  in usb_epnum_to_ep_desc()
228 					return &dev->actconfig->interface[i].altsetting[j].endpoint[k];  in usb_epnum_to_ep_desc()
625 usb_match_id(struct usb_device *dev, struct usb_interface *interface,  in usb_match_id()  argument
672 		intf = &interface->altsetting [interface->act_altsetting];  in usb_match_id()
711 	struct usb_interface *interface;  in usb_find_interface_driver()  local
724 	interface = dev->actconfig->interface + ifnum;  in usb_find_interface_driver()
726 	if (usb_interface_claimed(interface))  in usb_find_interface_driver()
737 			for (i = 0; i < interface->num_altsetting; i++) {  in usb_find_interface_driver()
738 			  	interface->act_altsetting = i;  in usb_find_interface_driver()
739 				id = usb_match_id(dev, interface, id);  in usb_find_interface_driver()
751 				interface->act_altsetting = 0;  in usb_find_interface_driver()
759 		interface = dev->actconfig->interface + ifnum;  in usb_find_interface_driver()
762 			usb_driver_claim_interface(driver, interface, private);  in usb_find_interface_driver()
813 static void call_policy_interface (char *verb, struct usb_device *dev, int interface)  in call_policy_interface()  argument
892 		int alt = dev->actconfig->interface [interface].act_altsetting;  in call_policy_interface()
896 			dev->actconfig->interface [interface].altsetting [alt].bInterfaceClass,  in call_policy_interface()
897 			dev->actconfig->interface [interface].altsetting [alt].bInterfaceSubClass,  in call_policy_interface()
898 			dev->actconfig->interface [interface].altsetting [alt].bInterfaceProtocol)  in call_policy_interface()
944 		if (!usb_interface_claimed(dev->actconfig->interface + ifnum)) {  in usb_find_drivers()
1360 static int usb_parse_interface(struct usb_interface *interface, unsigned char *buffer, int size)  in usb_parse_interface()  argument
1367 	interface->act_altsetting = 0;  in usb_parse_interface()
1368 	interface->num_altsetting = 0;  in usb_parse_interface()
1369 	interface->max_altsetting = USB_ALTSETTINGALLOC;  in usb_parse_interface()
1371 …interface->altsetting = kmalloc(sizeof(struct usb_interface_descriptor) * interface->max_altsettin…  in usb_parse_interface()
1373 	if (!interface->altsetting) {  in usb_parse_interface()
1379 		if (interface->num_altsetting >= interface->max_altsetting) {  in usb_parse_interface()
1383 			oldmas = interface->max_altsetting;  in usb_parse_interface()
1384 			interface->max_altsetting += USB_ALTSETTINGALLOC;  in usb_parse_interface()
1385 			if (interface->max_altsetting > USB_MAXALTSETTING) {  in usb_parse_interface()
1391 			ptr = interface->altsetting;  in usb_parse_interface()
1392 …interface->altsetting = kmalloc(sizeof(struct usb_interface_descriptor) * interface->max_altsettin…  in usb_parse_interface()
1393 			if (!interface->altsetting) {  in usb_parse_interface()
1395 				interface->altsetting = ptr;  in usb_parse_interface()
1398 			memcpy(interface->altsetting, ptr, sizeof(struct usb_interface_descriptor) * oldmas);  in usb_parse_interface()
1403 		ifp = interface->altsetting + interface->num_altsetting;  in usb_parse_interface()
1404 		interface->num_altsetting++;  in usb_parse_interface()
1525 	config->interface = (struct usb_interface *)  in usb_parse_configuration()
1528 	dbg("kmalloc IF %p, numif %i", config->interface, config->bNumInterfaces);  in usb_parse_configuration()
1529 	if (!config->interface) {  in usb_parse_configuration()
1534 	memset(config->interface, 0,  in usb_parse_configuration()
1594 		retval = usb_parse_interface(config->interface + i, buffer, size);  in usb_parse_configuration()
1622 		if (!cf->interface)  in usb_destroy_configuration()
1627 				&cf->interface[i];  in usb_destroy_configuration()
1653 		kfree(cf->interface);  in usb_destroy_configuration()
1752 			struct usb_interface *interface = &dev->actconfig->interface[i];  in usb_disconnect()  local
1753 			struct usb_driver *driver = interface->driver;  in usb_disconnect()
1756 				driver->disconnect(dev, interface->private_data);  in usb_disconnect()
1759 				if (interface->driver)  in usb_disconnect()
1760 					usb_driver_release_interface(driver, interface);  in usb_disconnect()
1916 		struct usb_interface *ifp = dev->actconfig->interface + i;  in usb_set_maxpacket()
1991 int usb_set_interface(struct usb_device *dev, int interface, int alternate)  in usb_set_interface()  argument
1996 	iface = usb_ifnum_to_if(dev, interface);  in usb_set_interface()
1998 		warn("selecting invalid interface %d", interface);  in usb_set_interface()
2006 			dev->devnum, interface, alternate);  in usb_set_interface()
2012 	    interface, NULL, 0, HZ * 5)) < 0)  in usb_set_interface()