 td->urb = NULL; 
static void uhci_remove_td_from_urb(struct uhci_td *td){	if (list_empty(&td->list))		return;	list_del_init(&td->list);	td->urb = NULL;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/8b4cd42134fbd3c9a9a5c3467d31717798219b1b/uhci-q.c/clean/drivers/usb/host/uhci-q.c