232 	struct interface *iface = (struct interface *)p;  in ksmbd_kthread_fn()  local
236 		mutex_lock(&iface->sock_release_lock);  in ksmbd_kthread_fn()
237 		if (!iface->ksmbd_socket) {  in ksmbd_kthread_fn()
238 			mutex_unlock(&iface->sock_release_lock);  in ksmbd_kthread_fn()
241 		ret = kernel_accept(iface->ksmbd_socket, &client_sk,  in ksmbd_kthread_fn()
243 		mutex_unlock(&iface->sock_release_lock);  in ksmbd_kthread_fn()
273  * @iface: pointer to struct interface
281 static int ksmbd_tcp_run_kthread(struct interface *iface)  in ksmbd_tcp_run_kthread()  argument
286 	kthread = kthread_run(ksmbd_kthread_fn, (void *)iface, "ksmbd-%s",  in ksmbd_tcp_run_kthread()
287 			      iface->name);  in ksmbd_tcp_run_kthread()
292 	iface->ksmbd_kthread = kthread;  in ksmbd_tcp_run_kthread()
424  * @iface:      interface to bind the created socket to
428 static int create_socket(struct interface *iface)  in create_socket()  argument
467 			      KERNEL_SOCKPTR(iface->name),  in create_socket()
468 			      strlen(iface->name));  in create_socket()
494 	iface->ksmbd_socket = ksmbd_socket;  in create_socket()
495 	ret = ksmbd_tcp_run_kthread(iface);  in create_socket()
500 	iface->state = IFACE_STATE_CONFIGURED;  in create_socket()
507 	iface->ksmbd_socket = NULL;  in create_socket()
515 	struct interface *iface;  in ksmbd_netdev_event()  local
523 		list_for_each_entry(iface, &iface_list, entry) {  in ksmbd_netdev_event()
524 			if (!strcmp(iface->name, netdev->name)) {  in ksmbd_netdev_event()
526 				if (iface->state != IFACE_STATE_DOWN)  in ksmbd_netdev_event()
528 				ret = create_socket(iface);  in ksmbd_netdev_event()
535 			iface = alloc_iface(kstrdup(netdev->name, GFP_KERNEL));  in ksmbd_netdev_event()
536 			if (!iface)  in ksmbd_netdev_event()
538 			ret = create_socket(iface);  in ksmbd_netdev_event()
544 		list_for_each_entry(iface, &iface_list, entry) {  in ksmbd_netdev_event()
545 			if (!strcmp(iface->name, netdev->name) &&  in ksmbd_netdev_event()
546 			    iface->state == IFACE_STATE_CONFIGURED) {  in ksmbd_netdev_event()
547 				tcp_stop_kthread(iface->ksmbd_kthread);  in ksmbd_netdev_event()
548 				iface->ksmbd_kthread = NULL;  in ksmbd_netdev_event()
549 				mutex_lock(&iface->sock_release_lock);  in ksmbd_netdev_event()
550 				tcp_destroy_socket(iface->ksmbd_socket);  in ksmbd_netdev_event()
551 				iface->ksmbd_socket = NULL;  in ksmbd_netdev_event()
552 				mutex_unlock(&iface->sock_release_lock);  in ksmbd_netdev_event()
554 				iface->state = IFACE_STATE_DOWN;  in ksmbd_netdev_event()
589 	struct interface *iface, *tmp;  in ksmbd_tcp_destroy()  local
593 	list_for_each_entry_safe(iface, tmp, &iface_list, entry) {  in ksmbd_tcp_destroy()
594 		list_del(&iface->entry);  in ksmbd_tcp_destroy()
595 		kfree(iface->name);  in ksmbd_tcp_destroy()
596 		kfree(iface);  in ksmbd_tcp_destroy()
602 	struct interface *iface;  in alloc_iface()  local
607 	iface = kzalloc(sizeof(struct interface), GFP_KERNEL);  in alloc_iface()
608 	if (!iface) {  in alloc_iface()
613 	iface->name = ifname;  in alloc_iface()
614 	iface->state = IFACE_STATE_DOWN;  in alloc_iface()
615 	list_add(&iface->entry, &iface_list);  in alloc_iface()
616 	mutex_init(&iface->sock_release_lock);  in alloc_iface()
617 	return iface;  in alloc_iface()