diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2018-10-18 01:58:16 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2018-10-18 01:58:16 +0000 |
| commit | 842e456c3ec347283a3aa02a68d198e93e2a72f3 (patch) | |
| tree | a57e28d29da03660b0a7866d22a6de34e3742335 /sys/net | |
| parent | 9636aa4f22713f696a38e936949e6f0e00c44764 (diff) | |
make sure keepalive ioctl values are either both zero, or both not zero.
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/if_gre.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/net/if_gre.c b/sys/net/if_gre.c index c9413bee32a..4b8d9d4dc8c 100644 --- a/sys/net/if_gre.c +++ b/sys/net/if_gre.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_gre.c,v 1.128 2018/10/18 01:46:21 dlg Exp $ */ +/* $OpenBSD: if_gre.c,v 1.129 2018/10/18 01:58:15 dlg Exp $ */ /* $NetBSD: if_gre.c,v 1.9 1999/10/25 19:18:11 drochner Exp $ */ /* @@ -2163,7 +2163,8 @@ gre_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) case SIOCSETKALIVE: if (ikar->ikar_timeo < 0 || ikar->ikar_timeo > 86400 || - ikar->ikar_cnt < 0 || ikar->ikar_cnt > 256) + ikar->ikar_cnt < 0 || ikar->ikar_cnt > 256 || + (ikar->ikar_timeo == 0) != (ikar->ikar_cnt == 0)) return (EINVAL); if (ikar->ikar_timeo == 0 || ikar->ikar_cnt == 0) { |