diff options
| -rw-r--r-- | sys/net/rtsock.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c index c5eac8e..d778e01 100644 --- a/sys/net/rtsock.c +++ b/sys/net/rtsock.c @@ -828,7 +828,10 @@ rt_newmaddrmsg(cmd, ifma) bzero((caddr_t)&info, sizeof(info)); ifaaddr = ifma->ifma_addr; - ifpaddr = ifp->if_addrhead.tqh_first->ifa_addr; + if (ifp && ifp->if_addrhead.tqh_first) + ifpaddr = ifp->if_addrhead.tqh_first->ifa_addr; + else + ifpaddr = NULL; /* * If a link-layer address is present, present it as a ``gateway'' * (similarly to how ARP entries, e.g., are presented). |
