From 441b1fffcf1f60b98ed1a108c3b48647ffc35d6f Mon Sep 17 00:00:00 2001 From: bms Date: Tue, 27 Mar 2007 16:11:28 +0000 Subject: Fix a case where hardware removal of an interface caused an attempt to announce an ll_ifma which has gone away. Add a KASSERT to catch regressions. Bug found by: Tom Uffner --- sys/net/rtsock.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sys/net/rtsock.c') diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c index 16b94ad..8394786 100644 --- a/sys/net/rtsock.c +++ b/sys/net/rtsock.c @@ -964,6 +964,8 @@ rt_newmaddrmsg(int cmd, struct ifmultiaddr *ifma) if (m == NULL) return; ifmam = mtod(m, struct ifma_msghdr *); + KASSERT(ifp != NULL, ("%s: link-layer multicast address w/o ifp\n", + __func__)); ifmam->ifmam_index = ifp->if_index; ifmam->ifmam_addrs = info.rti_addrs; rt_dispatch(m, ifma->ifma_addr); -- cgit v1.1