diff options
| author | yar <yar@FreeBSD.org> | 2001-12-19 14:54:13 +0000 |
|---|---|---|
| committer | yar <yar@FreeBSD.org> | 2001-12-19 14:54:13 +0000 |
| commit | 25850c205df15c03b41cb0166806b261bbc11533 (patch) | |
| tree | 641687efea93bbefad531bb2e2e8ee5d851ce65d /sys | |
| parent | 484d36220a20194ac49c5f9166612b48b3a9a0e5 (diff) | |
| download | FreeBSD-src-25850c205df15c03b41cb0166806b261bbc11533.zip FreeBSD-src-25850c205df15c03b41cb0166806b261bbc11533.tar.gz | |
Don't try to free a NULL route when doing IPFIREWALL_FORWARD.
An old route will be NULL at that point if a packet were initially
routed to an interface (using the IP_ROUTETOIF flag.)
Submitted by: Igor Timkin <ivt@gamma.ru>
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet/ip_output.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index 58ffb5e..d14edbe 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -766,7 +766,8 @@ skip_ipsec: (ro_fwd->ro_rt->rt_flags & RTF_BROADCAST); else isbroadcast = in_broadcast(dst->sin_addr, ifp); - RTFREE(ro->ro_rt); + if (ro->ro_rt) + RTFREE(ro->ro_rt); ro->ro_rt = ro_fwd->ro_rt; dst = (struct sockaddr_in *)&ro_fwd->ro_dst; |
