--- x/drivers/usb/core/hub.c
+++ y/drivers/usb/core/hub.c
@@ -1872,6 +1872,7 @@ static bool hub_descriptor_is_sane(struc
         return true;
 }
 
+static void hub_init_dumy_func(struct work_struct *ws) {}
 static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_host_interface *desc;
@@ -1976,7 +1977,7 @@ static int hub_probe(struct usb_interfac
 	hub->intfdev = &intf->dev;
 	hub->hdev = hdev;
 	INIT_DELAYED_WORK(&hub->leds, led_work);
-	INIT_DELAYED_WORK(&hub->init_work, NULL);
+	INIT_DELAYED_WORK(&hub->init_work, hub_init_dumy_func);
 	INIT_WORK(&hub->events, hub_event);
 	INIT_LIST_HEAD(&hub->onboard_devs);
 	spin_lock_init(&hub->irq_urb_lock);