dev->br_port = NULL; 
static void del_nbp(struct net_bridge_port *p){	struct net_bridge *br = p->br;	struct net_device *dev = p->dev;	dev_set_promiscuity(dev, -1);	spin_lock_bh(&br->lock);	br_stp_disable_port(p);	spin_unlock_bh(&br->lock);	br_fdb_delete_by_port(br, p);	list_del_rcu(&p->list);	del_timer_sync(&p->message_age_timer);	del_timer_sync(&p->forward_delay_timer);	del_timer_sync(&p->hold_timer);		call_rcu(&p->rcu, destroy_nbp_rcu);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/ab4060e858e36129f9319ef0fa055347ad60e1d5/br_if.c/clean/net/bridge/br_if.c