if (np->dev->npinfo) np->dev->npinfo->np = NULL; 
npinfo = np->dev->npinfo; if (npinfo && npinfo->rx_np == np) { spin_lock_irqsave(&npinfo->rx_lock, flags); npinfo->rx_np = NULL; npinfo->rx_flags &= ~NETPOLL_RX_ENABLED; spin_unlock_irqrestore(&npinfo->rx_lock, flags); } 
void netpoll_cleanup(struct netpoll *np){	if (np->dev) {		if (np->dev->npinfo)			np->dev->npinfo->np = NULL;		dev_put(np->dev);	}	np->dev = NULL;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/fbeec2e1552949002065435c9829dc244ad85407/netpoll.c/clean/net/core/netpoll.c