35 	struct stub_device *sdev = dev_get_drvdata(dev);  in usbip_status_show()  local
38 	if (!sdev) {  in usbip_status_show()
43 	spin_lock_irq(&sdev->ud.lock);  in usbip_status_show()
44 	status = sdev->ud.status;  in usbip_status_show()
45 	spin_unlock_irq(&sdev->ud.lock);  in usbip_status_show()
59 	struct stub_device *sdev = dev_get_drvdata(dev);  in store_sockfd()  local
64 	if (!sdev) {  in store_sockfd()
78 		spin_lock_irq(&sdev->ud.lock);  in store_sockfd()
80 		if (sdev->ud.status != SDEV_ST_AVAILABLE) {  in store_sockfd()
89 		sdev->ud.tcp_socket = socket;  in store_sockfd()
91 		spin_unlock_irq(&sdev->ud.lock);  in store_sockfd()
93 		sdev->ud.tcp_rx = kthread_get_run(stub_rx_loop, &sdev->ud,  in store_sockfd()
95 		sdev->ud.tcp_tx = kthread_get_run(stub_tx_loop, &sdev->ud,  in store_sockfd()
98 		spin_lock_irq(&sdev->ud.lock);  in store_sockfd()
99 		sdev->ud.status = SDEV_ST_USED;  in store_sockfd()
100 		spin_unlock_irq(&sdev->ud.lock);  in store_sockfd()
105 		spin_lock_irq(&sdev->ud.lock);  in store_sockfd()
106 		if (sdev->ud.status != SDEV_ST_USED)  in store_sockfd()
109 		spin_unlock_irq(&sdev->ud.lock);  in store_sockfd()
111 		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);  in store_sockfd()
117 	spin_unlock_irq(&sdev->ud.lock);  in store_sockfd()
157 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_shutdown_connection()  local
166 		dev_dbg(&sdev->udev->dev, "shutdown tcp_socket %p\n",  in stub_shutdown_connection()
193 	stub_device_cleanup_urbs(sdev);  in stub_shutdown_connection()
200 		spin_lock_irqsave(&sdev->priv_lock, flags);  in stub_shutdown_connection()
201 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) {  in stub_shutdown_connection()
205 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_free,  in stub_shutdown_connection()
210 		spin_unlock_irqrestore(&sdev->priv_lock, flags);  in stub_shutdown_connection()
216 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_device_reset()  local
217 	struct usb_device *udev = sdev->udev;  in stub_device_reset()
222 	ret = usb_lock_device_for_reset(udev, sdev->interface);  in stub_device_reset()
261 	struct stub_device *sdev;  in stub_device_alloc()  local
268 	sdev = kzalloc(sizeof(struct stub_device), GFP_KERNEL);  in stub_device_alloc()
269 	if (!sdev)  in stub_device_alloc()
272 	sdev->udev = usb_get_dev(udev);  in stub_device_alloc()
279 	sdev->devid		= (busnum << 16) | devnum;  in stub_device_alloc()
280 	sdev->ud.side		= USBIP_STUB;  in stub_device_alloc()
281 	sdev->ud.status		= SDEV_ST_AVAILABLE;  in stub_device_alloc()
282 	spin_lock_init(&sdev->ud.lock);  in stub_device_alloc()
283 	sdev->ud.tcp_socket	= NULL;  in stub_device_alloc()
285 	INIT_LIST_HEAD(&sdev->priv_init);  in stub_device_alloc()
286 	INIT_LIST_HEAD(&sdev->priv_tx);  in stub_device_alloc()
287 	INIT_LIST_HEAD(&sdev->priv_free);  in stub_device_alloc()
288 	INIT_LIST_HEAD(&sdev->unlink_free);  in stub_device_alloc()
289 	INIT_LIST_HEAD(&sdev->unlink_tx);  in stub_device_alloc()
290 	spin_lock_init(&sdev->priv_lock);  in stub_device_alloc()
292 	init_waitqueue_head(&sdev->tx_waitq);  in stub_device_alloc()
294 	sdev->ud.eh_ops.shutdown = stub_shutdown_connection;  in stub_device_alloc()
295 	sdev->ud.eh_ops.reset    = stub_device_reset;  in stub_device_alloc()
296 	sdev->ud.eh_ops.unusable = stub_device_unusable;  in stub_device_alloc()
298 	usbip_start_eh(&sdev->ud);  in stub_device_alloc()
302 	return sdev;  in stub_device_alloc()
305 static void stub_device_free(struct stub_device *sdev)  in stub_device_free()  argument
307 	kfree(sdev);  in stub_device_free()
312 	struct stub_device *sdev = NULL;  in stub_probe()  local
350 	sdev = stub_device_alloc(udev);  in stub_probe()
351 	if (!sdev)  in stub_probe()
361 	dev_set_drvdata(&udev->dev, sdev);  in stub_probe()
362 	busid_priv->sdev = sdev;  in stub_probe()
391 	kthread_stop_put(sdev->ud.eh);  in stub_probe()
393 	busid_priv->sdev = NULL;  in stub_probe()
394 	stub_device_free(sdev);  in stub_probe()
400 	if (busid_priv->sdev && !busid_priv->shutdown_busid) {  in shutdown_busid()
402 		usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);  in shutdown_busid()
405 		usbip_stop_eh(&busid_priv->sdev->ud);  in shutdown_busid()
415 	struct stub_device *sdev;  in stub_disconnect()  local
428 	sdev = dev_get_drvdata(&udev->dev);  in stub_disconnect()
431 	if (!sdev) {  in stub_disconnect()
452 	if (busid_priv->sdev->ud.eh == current)  in stub_disconnect()
458 	usb_put_dev(sdev->udev);  in stub_disconnect()
461 	busid_priv->sdev = NULL;  in stub_disconnect()
462 	stub_device_free(sdev);  in stub_disconnect()