diff options
| -rw-r--r-- | sys/netinet/in.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/netinet/in.c b/sys/netinet/in.c index 9fe7095..0d0dbe9 100644 --- a/sys/netinet/in.c +++ b/sys/netinet/in.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)in.c 8.4 (Berkeley) 1/9/95 - * $Id: in.c,v 1.38 1998/06/07 17:12:13 dfr Exp $ + * $Id: in.c,v 1.39 1998/12/07 05:41:10 eivind Exp $ */ #include <sys/param.h> @@ -576,19 +576,25 @@ in_delmulti(inm) register struct in_multi *inm; { struct ifmultiaddr *ifma = inm->inm_ifma; + struct in_multi my_inm; int s = splnet(); + my_inm.inm_ifp = NULL ; /* don't send the leave msg */ if (ifma->ifma_refcount == 1) { /* * No remaining claims to this record; let IGMP know that * we are leaving the multicast group. + * But do it after the if_delmulti() which might reset + * the interface and nuke the packet. */ - igmp_leavegroup(inm); + my_inm = *inm ; ifma->ifma_protospec = 0; LIST_REMOVE(inm, inm_link); free(inm, M_IPMADDR); } /* XXX - should be separate API for when we have an ifma? */ if_delmulti(ifma->ifma_ifp, ifma->ifma_addr); + if (my_inm.inm_ifp != NULL) + igmp_leavegroup(&my_inm); splx(s); } |
