diff options
| -rw-r--r-- | sys/netinet/ip_output.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index 2838e76..7764bc3 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -200,6 +200,13 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags, hlen = ip->ip_hl << 2; } + /* + * dst/gw handling: + * + * dst can be rewritten but always point to &ro->ro_dst + * gw is readonly but can be pointed either to dst OR rt_gatewy + * therefore we need restore GW if we're re-doing lookup + */ gw = dst = (struct sockaddr_in *)&ro->ro_dst; again: ia = NULL; @@ -219,6 +226,7 @@ again: RO_RTFREE(ro); ro->ro_lle = NULL; rte = NULL; + gw = dst; } if (rte == NULL && fwd_tag == NULL) { bzero(dst, sizeof(*dst)); |
