ipv6_chk_rpl_srh_loop
int ipv6_chk_rpl_srh_loop(struct net *net, const struct in6_addr *segs,
err = ipv6_chk_rpl_srh_loop(net, ohdr->rpl_segaddr, n + 1);
err = ipv6_chk_rpl_srh_loop(net, srh->rpl_segaddr,