175 static int led_probe(struct usb_interface *interface,  in led_probe()  argument
178 	struct usb_device *udev = interface_to_usbdev(interface);  in led_probe()
184 		dev_err(&interface->dev, "out of memory\n");  in led_probe()
191 	usb_set_intfdata(interface, dev);  in led_probe()
193 	retval = device_create_file(&interface->dev, &dev_attr_blue);  in led_probe()
196 	retval = device_create_file(&interface->dev, &dev_attr_red);  in led_probe()
199 	retval = device_create_file(&interface->dev, &dev_attr_green);  in led_probe()
208 			dev_err(&interface->dev, "out of memory\n");  in led_probe()
228 	dev_info(&interface->dev, "USB LED device now attached\n");  in led_probe()
232 	device_remove_file(&interface->dev, &dev_attr_blue);  in led_probe()
233 	device_remove_file(&interface->dev, &dev_attr_red);  in led_probe()
234 	device_remove_file(&interface->dev, &dev_attr_green);  in led_probe()
235 	usb_set_intfdata(interface, NULL);  in led_probe()
242 static void led_disconnect(struct usb_interface *interface)  in led_disconnect()  argument
246 	dev = usb_get_intfdata(interface);  in led_disconnect()
248 	device_remove_file(&interface->dev, &dev_attr_blue);  in led_disconnect()
249 	device_remove_file(&interface->dev, &dev_attr_red);  in led_disconnect()
250 	device_remove_file(&interface->dev, &dev_attr_green);  in led_disconnect()
253 	usb_set_intfdata(interface, NULL);  in led_disconnect()
259 	dev_info(&interface->dev, "USB LED now disconnected\n");  in led_disconnect()