Function inp_gcmoptions

freebsd/netinet6/in6_mcast.c:1591–1614

 */

static void
inp_gcmoptions(struct ip6_moptions *imo)
{
	struct in6_mfilter *imf;
	struct in6_multi *inm;
	struct ifnet *ifp;

	while ((imf = ip6_mfilter_first(&imo->im6o_head)) != NULL) {
                ip6_mfilter_remove(&imo->im6o_head, imf);

                im6f_leave(imf);
                if ((inm = imf->im6f_in6m) != NULL) {
                        if ((ifp = inm->in6m_ifp) != NULL) {
                                CURVNET_SET(ifp->if_vnet);
                                (void)in6_leavegroup(inm, imf);
                                CURVNET_RESTORE();
                        } else {
                                (void)in6_leavegroup(inm, imf);
                        }
                }
                ip6_mfilter_free(imf);
        }
        free(imo, M_IP6MOPTS);
}

void
ip6_freemoptions(struct ip6_moptions *imo)