diff options
| -rw-r--r-- | usr.sbin/rtadvd/rtadvd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/usr.sbin/rtadvd/rtadvd.c b/usr.sbin/rtadvd/rtadvd.c index 654f206..02e3dc7 100644 --- a/usr.sbin/rtadvd/rtadvd.c +++ b/usr.sbin/rtadvd/rtadvd.c @@ -667,14 +667,16 @@ rtadvd_input() } /* - * If we happen to receive data on an interface which is now down, - * just discard the data. + * If we happen to receive data on an interface which is now gone + * or down, just discard the data. */ - if ((iflist[pi->ipi6_ifindex]->ifm_flags & IFF_UP) == 0) { + if (iflist[pi->ipi6_ifindex] == NULL || + (iflist[pi->ipi6_ifindex]->ifm_flags & IFF_UP) == 0) { syslog(LOG_INFO, "<%s> received data on a disabled interface (%s)", __func__, - if_indextoname(pi->ipi6_ifindex, ifnamebuf)); + (iflist[pi->ipi6_ifindex] == NULL) ? "[gone]" : + if_indextoname(pi->ipi6_ifindex, ifnamebuf)); return; } |
