hub->activating = 0; 
static void hub_quiesce(struct usb_hub *hub){	/* stop khubd and related activity */	hub->quiescing = 1;	usb_kill_urb(hub->urb);	if (hub->has_indicators)		cancel_delayed_work(&hub->leds);	if (hub->has_indicators || hub->tt.hub)		flush_scheduled_work();}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/c9f89fa40cf274130b56475175a35af961d4b165/hub.c/clean/drivers/usb/core/hub.c