diff options
| author | Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org> | 2002-08-19 07:24:48 +0000 |
|---|---|---|
| committer | Jun-ichiro itojun Hagino <itojun@cvs.openbsd.org> | 2002-08-19 07:24:48 +0000 |
| commit | a7e20a539355f710104f8e4b3144446f8ad01222 (patch) | |
| tree | 5528f4162935587b34c0665a06b8cd6750f2894f /sys | |
| parent | f1fde8aafd7e5288a289debfd122e61289938e6b (diff) | |
copyout only if oldp is non-null
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet6/nd6.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c index abaeed0c4d8..2eff198ee49 100644 --- a/sys/netinet6/nd6.c +++ b/sys/netinet6/nd6.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nd6.c,v 1.52 2002/08/19 06:45:00 itojun Exp $ */ +/* $OpenBSD: nd6.c,v 1.53 2002/08/19 07:24:47 itojun Exp $ */ /* $KAME: nd6.c,v 1.280 2002/06/08 19:52:07 itojun Exp $ */ /* @@ -1985,13 +1985,13 @@ nd6_sysctl(name, oldp, oldlenp, newp, newlen) switch (name) { case ICMPV6CTL_ND6_DRLIST: error = fill_drlist(oldp, oldlenp, ol); - if (!error) + if (!error && oldp) copyout(oldp, oldp, *oldlenp); break; case ICMPV6CTL_ND6_PRLIST: error = fill_prlist(oldp, oldlenp, ol); - if (!error) + if (!error && oldp) copyout(oldp, oldp, *oldlenp); break; |