diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2005-05-09 05:37:37 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2005-05-09 05:37:37 +0000 |
| commit | e9ee019b2912773cd90d4588200934df0c616033 (patch) | |
| tree | 8d1037fb76ff7bb04052390d5610a813f361f17d | |
| parent | f8c9d79e08f056fe56cc942842c406318c0871bc (diff) | |
Make sure that prefixes get purged.
Fixes PR 3939.
From NetBSD
ok itojun@
| -rw-r--r-- | sys/netinet6/nd6.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c index e29ff4b259f..cddb5e29871 100644 --- a/sys/netinet6/nd6.c +++ b/sys/netinet6/nd6.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nd6.c,v 1.68 2004/10/28 20:34:57 henning Exp $ */ +/* $OpenBSD: nd6.c,v 1.69 2005/05/09 05:37:36 brad Exp $ */ /* $KAME: nd6.c,v 1.280 2002/06/08 19:52:07 itojun Exp $ */ /* @@ -623,6 +623,13 @@ nd6_purge(ifp) npr = pr->ndpr_next; if (pr->ndpr_ifp == ifp) { /* + * Because if_detach() does *not* release prefixes + * while purging addresses the reference count will + * still be above zero. We therefore reset it to + * make sure that the prefix really gets purged. + */ + pr->ndpr_refcnt = 0; + /* * Previously, pr->ndpr_addr is removed as well, * but I strongly believe we don't have to do it. * nd6_purge() is only called from in6_ifdetach(), |