if (np->dev) np->dev->np = NULL; dev_put(np->dev); 
if (np->dev) { if (np->dev->npinfo) np->dev->npinfo->np = NULL; dev_put(np->dev); } 
void netpoll_cleanup(struct netpoll *np){	if (np->dev)		np->dev->np = NULL;	dev_put(np->dev);	np->dev = NULL;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/115c1d6e61b70851d9a363328c3b8d4c2559a1d3/netpoll.c/clean/net/core/netpoll.c