diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c
index d3d124753266..bd6e06ef88ac 100644
--- a/drivers/usb/misc/lvstest.c
+++ b/drivers/usb/misc/lvstest.c
@@ -433,6 +433,7 @@ static void lvs_rh_disconnect(struct usb_interface *intf)
 	struct lvs_rh *lvs = usb_get_intfdata(intf);
 
 	sysfs_remove_group(&intf->dev.kobj, &lvs_attr_group);
+	usb_poison_urb(lvs->urb); /* used in scheduled work */
 	flush_work(&lvs->rh_work);
 	usb_free_urb(lvs->urb);
 }