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| author | bms <bms@FreeBSD.org> | 2007-03-27 16:11:28 +0000 |
|---|---|---|
| committer | bms <bms@FreeBSD.org> | 2007-03-27 16:11:28 +0000 |
| commit | 441b1fffcf1f60b98ed1a108c3b48647ffc35d6f (patch) | |
| tree | 0c6e5b6e3d60d1ee93994ea858c1ce89495cf428 /sys/net/rtsock.c | |
| parent | a8be3c5db775d7348bb09c2d0618af6352050826 (diff) | |
| download | FreeBSD-src-441b1fffcf1f60b98ed1a108c3b48647ffc35d6f.zip FreeBSD-src-441b1fffcf1f60b98ed1a108c3b48647ffc35d6f.tar.gz | |
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
Diffstat (limited to 'sys/net/rtsock.c')
| -rw-r--r-- | sys/net/rtsock.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |
