Author: hselasky Date: Wed Dec 25 09:25:20 2019 New Revision: 356069 URL: https://svnweb.freebsd.org/changeset/base/356069
Log: MFC r355881: Leave multicast group before reaping and committing state for both IPv4 and IPv6. This fixes a regression issue after r349369. When trying to exit a multicast group before closing the socket, a multicast leave packet should be sent. Differential Revision: https://reviews.freebsd.org/D22848 PR: 242677 Reviewed by: bz (network) Tested by: Aleksandr Fedorov <aleksandr.fedo...@itglobal.com> Sponsored by: Mellanox Technologies Modified: stable/12/sys/netinet/in_mcast.c stable/12/sys/netinet6/in6_mcast.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netinet/in_mcast.c ============================================================================== --- stable/12/sys/netinet/in_mcast.c Wed Dec 25 05:51:47 2019 (r356068) +++ stable/12/sys/netinet/in_mcast.c Wed Dec 25 09:25:20 2019 (r356069) @@ -2401,6 +2401,12 @@ inp_leave_group(struct inpcb *inp, struct sockopt *sop if (is_final) { ip_mfilter_remove(&imo->imo_head, imf); imf_leave(imf); + + /* + * Give up the multicast address record to which + * the membership points. + */ + (void) in_leavegroup_locked(imf->imf_inm, imf); } else { if (imf->imf_st[0] == MCAST_EXCLUDE) { error = EADDRNOTAVAIL; @@ -2455,14 +2461,8 @@ inp_leave_group(struct inpcb *inp, struct sockopt *sop out_inp_locked: INP_WUNLOCK(inp); - if (is_final && imf) { - /* - * Give up the multicast address record to which - * the membership points. - */ - (void) in_leavegroup_locked(imf->imf_inm, imf); + if (is_final && imf) ip_mfilter_free(imf); - } IN_MULTI_UNLOCK(); return (error); Modified: stable/12/sys/netinet6/in6_mcast.c ============================================================================== --- stable/12/sys/netinet6/in6_mcast.c Wed Dec 25 05:51:47 2019 (r356068) +++ stable/12/sys/netinet6/in6_mcast.c Wed Dec 25 09:25:20 2019 (r356069) @@ -2326,6 +2326,12 @@ in6p_leave_group(struct inpcb *inp, struct sockopt *so if (is_final) { ip6_mfilter_remove(&imo->im6o_head, imf); im6f_leave(imf); + + /* + * Give up the multicast address record to which + * the membership points. + */ + (void)in6_leavegroup_locked(inm, imf); } else { if (imf->im6f_st[0] == MCAST_EXCLUDE) { error = EADDRNOTAVAIL; @@ -2382,14 +2388,8 @@ in6p_leave_group(struct inpcb *inp, struct sockopt *so out_in6p_locked: INP_WUNLOCK(inp); - if (is_final && imf) { - /* - * Give up the multicast address record to which - * the membership points. - */ - (void)in6_leavegroup_locked(inm, imf); + if (is_final && imf) ip6_mfilter_free(imf); - } IN6_MULTI_UNLOCK(); return (error); _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
