228 	struct interface *iface = (struct interface *)p;  in ksmbd_kthread_fn()  local
232 		mutex_lock(&iface->sock_release_lock);  in ksmbd_kthread_fn()
233 		if (!iface->ksmbd_socket) {  in ksmbd_kthread_fn()
234 			mutex_unlock(&iface->sock_release_lock);  in ksmbd_kthread_fn()
237 		ret = kernel_accept(iface->ksmbd_socket, &client_sk,  in ksmbd_kthread_fn()
239 		mutex_unlock(&iface->sock_release_lock);  in ksmbd_kthread_fn()
277 static int ksmbd_tcp_run_kthread(struct interface *iface)  in ksmbd_tcp_run_kthread()  argument
282 	kthread = kthread_run(ksmbd_kthread_fn, (void *)iface, "ksmbd-%s",  in ksmbd_tcp_run_kthread()
283 			      iface->name);  in ksmbd_tcp_run_kthread()
288 	iface->ksmbd_kthread = kthread;  in ksmbd_tcp_run_kthread()
424 static int create_socket(struct interface *iface)  in create_socket()  argument
463 			      KERNEL_SOCKPTR(iface->name),  in create_socket()
464 			      strlen(iface->name));  in create_socket()
490 	iface->ksmbd_socket = ksmbd_socket;  in create_socket()
491 	ret = ksmbd_tcp_run_kthread(iface);  in create_socket()
496 	iface->state = IFACE_STATE_CONFIGURED;  in create_socket()
503 	iface->ksmbd_socket = NULL;  in create_socket()
511 	struct interface *iface;  in ksmbd_netdev_event()  local
519 		list_for_each_entry(iface, &iface_list, entry) {  in ksmbd_netdev_event()
520 			if (!strcmp(iface->name, netdev->name)) {  in ksmbd_netdev_event()
522 				if (iface->state != IFACE_STATE_DOWN)  in ksmbd_netdev_event()
524 				ret = create_socket(iface);  in ksmbd_netdev_event()
531 			iface = alloc_iface(kstrdup(netdev->name, GFP_KERNEL));  in ksmbd_netdev_event()
532 			if (!iface)  in ksmbd_netdev_event()
534 			ret = create_socket(iface);  in ksmbd_netdev_event()
540 		list_for_each_entry(iface, &iface_list, entry) {  in ksmbd_netdev_event()
541 			if (!strcmp(iface->name, netdev->name) &&  in ksmbd_netdev_event()
542 			    iface->state == IFACE_STATE_CONFIGURED) {  in ksmbd_netdev_event()
543 				tcp_stop_kthread(iface->ksmbd_kthread);  in ksmbd_netdev_event()
544 				iface->ksmbd_kthread = NULL;  in ksmbd_netdev_event()
545 				mutex_lock(&iface->sock_release_lock);  in ksmbd_netdev_event()
546 				tcp_destroy_socket(iface->ksmbd_socket);  in ksmbd_netdev_event()
547 				iface->ksmbd_socket = NULL;  in ksmbd_netdev_event()
548 				mutex_unlock(&iface->sock_release_lock);  in ksmbd_netdev_event()
550 				iface->state = IFACE_STATE_DOWN;  in ksmbd_netdev_event()
585 	struct interface *iface, *tmp;  in ksmbd_tcp_destroy()  local
589 	list_for_each_entry_safe(iface, tmp, &iface_list, entry) {  in ksmbd_tcp_destroy()
590 		list_del(&iface->entry);  in ksmbd_tcp_destroy()
591 		kfree(iface->name);  in ksmbd_tcp_destroy()
592 		kfree(iface);  in ksmbd_tcp_destroy()
598 	struct interface *iface;  in alloc_iface()  local
603 	iface = kzalloc(sizeof(struct interface), GFP_KERNEL);  in alloc_iface()
604 	if (!iface) {  in alloc_iface()
609 	iface->name = ifname;  in alloc_iface()
610 	iface->state = IFACE_STATE_DOWN;  in alloc_iface()
611 	list_add(&iface->entry, &iface_list);  in alloc_iface()
612 	mutex_init(&iface->sock_release_lock);  in alloc_iface()
613 	return iface;  in alloc_iface()