sctp_bind_addrs_to_raw
union sctp_params sctp_bind_addrs_to_raw(const struct sctp_bind_addr *bp,
addrs = sctp_bind_addrs_to_raw(bp, &addrs_len, gfp);
addrs = sctp_bind_addrs_to_raw(&asoc->base.bind_addr, &addrs_len, gfp);