if (!asoc) return;  
static void sctp_v4_get_saddr(struct sctp_association *asoc,			      struct dst_entry *dst,			      union sctp_addr *daddr,			      union sctp_addr *saddr){	struct rtable *rt = (struct rtable *)dst;	if (rt) {		saddr->v4.sin_family = AF_INET;		saddr->v4.sin_port = asoc->base.bind_addr.port;  		saddr->v4.sin_addr.s_addr = rt->rt_src; 	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/23ec47a0889dabf4b9e7f8d52e848194734159ee/protocol.c/buggy/net/sctp/protocol.c