21 	struct stub_device *sdev = dev_get_drvdata(dev);  in usbip_status_show()  local
24 	if (!sdev) {  in usbip_status_show()
29 	spin_lock_irq(&sdev->ud.lock);  in usbip_status_show()
30 	status = sdev->ud.status;  in usbip_status_show()
31 	spin_unlock_irq(&sdev->ud.lock);  in usbip_status_show()
45 	struct stub_device *sdev = dev_get_drvdata(dev);  in usbip_sockfd_store()  local
50 	if (!sdev) {  in usbip_sockfd_store()
64 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
66 		if (sdev->ud.status != SDEV_ST_AVAILABLE) {  in usbip_sockfd_store()
75 		sdev->ud.tcp_socket = socket;  in usbip_sockfd_store()
76 		sdev->ud.sockfd = sockfd;  in usbip_sockfd_store()
78 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
80 		sdev->ud.tcp_rx = kthread_get_run(stub_rx_loop, &sdev->ud,  in usbip_sockfd_store()
82 		sdev->ud.tcp_tx = kthread_get_run(stub_tx_loop, &sdev->ud,  in usbip_sockfd_store()
85 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
86 		sdev->ud.status = SDEV_ST_USED;  in usbip_sockfd_store()
87 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
92 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
93 		if (sdev->ud.status != SDEV_ST_USED)  in usbip_sockfd_store()
96 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
98 		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);  in usbip_sockfd_store()
104 	spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
144 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_shutdown_connection()  local
153 		dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);  in stub_shutdown_connection()
180 	stub_device_cleanup_urbs(sdev);  in stub_shutdown_connection()
187 		spin_lock_irqsave(&sdev->priv_lock, flags);  in stub_shutdown_connection()
188 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) {  in stub_shutdown_connection()
192 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_free,  in stub_shutdown_connection()
197 		spin_unlock_irqrestore(&sdev->priv_lock, flags);  in stub_shutdown_connection()
203 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_device_reset()  local
204 	struct usb_device *udev = sdev->udev;  in stub_device_reset()
248 	struct stub_device *sdev;  in stub_device_alloc()  local
255 	sdev = kzalloc(sizeof(struct stub_device), GFP_KERNEL);  in stub_device_alloc()
256 	if (!sdev)  in stub_device_alloc()
259 	sdev->udev = usb_get_dev(udev);  in stub_device_alloc()
266 	sdev->devid		= (busnum << 16) | devnum;  in stub_device_alloc()
267 	sdev->ud.side		= USBIP_STUB;  in stub_device_alloc()
268 	sdev->ud.status		= SDEV_ST_AVAILABLE;  in stub_device_alloc()
269 	spin_lock_init(&sdev->ud.lock);  in stub_device_alloc()
270 	sdev->ud.tcp_socket	= NULL;  in stub_device_alloc()
271 	sdev->ud.sockfd		= -1;  in stub_device_alloc()
273 	INIT_LIST_HEAD(&sdev->priv_init);  in stub_device_alloc()
274 	INIT_LIST_HEAD(&sdev->priv_tx);  in stub_device_alloc()
275 	INIT_LIST_HEAD(&sdev->priv_free);  in stub_device_alloc()
276 	INIT_LIST_HEAD(&sdev->unlink_free);  in stub_device_alloc()
277 	INIT_LIST_HEAD(&sdev->unlink_tx);  in stub_device_alloc()
278 	spin_lock_init(&sdev->priv_lock);  in stub_device_alloc()
280 	init_waitqueue_head(&sdev->tx_waitq);  in stub_device_alloc()
282 	sdev->ud.eh_ops.shutdown = stub_shutdown_connection;  in stub_device_alloc()
283 	sdev->ud.eh_ops.reset    = stub_device_reset;  in stub_device_alloc()
284 	sdev->ud.eh_ops.unusable = stub_device_unusable;  in stub_device_alloc()
286 	usbip_start_eh(&sdev->ud);  in stub_device_alloc()
290 	return sdev;  in stub_device_alloc()
293 static void stub_device_free(struct stub_device *sdev)  in stub_device_free()  argument
295 	kfree(sdev);  in stub_device_free()
300 	struct stub_device *sdev = NULL;  in stub_probe()  local
341 	sdev = stub_device_alloc(udev);  in stub_probe()
342 	if (!sdev) {  in stub_probe()
354 	dev_set_drvdata(&udev->dev, sdev);  in stub_probe()
355 	busid_priv->sdev = sdev;  in stub_probe()
387 	busid_priv->sdev = NULL;  in stub_probe()
388 	stub_device_free(sdev);  in stub_probe()
397 	if (busid_priv->sdev && !busid_priv->shutdown_busid) {  in shutdown_busid()
399 		usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);  in shutdown_busid()
402 		usbip_stop_eh(&busid_priv->sdev->ud);  in shutdown_busid()
412 	struct stub_device *sdev;  in stub_disconnect()  local
425 	sdev = dev_get_drvdata(&udev->dev);  in stub_disconnect()
428 	if (!sdev) {  in stub_disconnect()
455 	usb_put_dev(sdev->udev);  in stub_disconnect()
458 	busid_priv->sdev = NULL;  in stub_disconnect()
459 	stub_device_free(sdev);  in stub_disconnect()