diff options
| author | andre <andre@FreeBSD.org> | 2004-09-13 19:20:14 +0000 |
|---|---|---|
| committer | andre <andre@FreeBSD.org> | 2004-09-13 19:20:14 +0000 |
| commit | 2c213c186fe3b1ee172b037aee5ac833af20481c (patch) | |
| tree | 9c405a91897264ad8135b2d475d21a0f7bbcd5af /sys/netinet | |
| parent | e41803bc8097fdfed07a78a78e4efe649c8f5c61 (diff) | |
| download | FreeBSD-src-2c213c186fe3b1ee172b037aee5ac833af20481c.zip FreeBSD-src-2c213c186fe3b1ee172b037aee5ac833af20481c.tar.gz | |
If we have to 'ipfw fwd'-tag a packet the second time in ipfw_pfil_out() don't
prepend an already existing tag again. Instead unlink it and prepend it again
to have it as the first tag in the chain.
PR: kern/71380
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/ip_fw_pfil.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/netinet/ip_fw_pfil.c b/sys/netinet/ip_fw_pfil.c index 7a326d9..69e0188 100644 --- a/sys/netinet/ip_fw_pfil.c +++ b/sys/netinet/ip_fw_pfil.c @@ -218,11 +218,13 @@ again: if (ipfw == 0 && args.next_hop != NULL) { /* Overwrite existing tag. */ fwd_tag = m_tag_find(*m0, PACKET_TAG_IPFORWARD, NULL); - if (fwd_tag == NULL) + if (fwd_tag == NULL) { fwd_tag = m_tag_get(PACKET_TAG_IPFORWARD, sizeof(struct sockaddr_in), M_NOWAIT); - if (fwd_tag == NULL) - goto drop; + if (fwd_tag == NULL) + goto drop; + } else + m_tag_unlink(*m0, fwd_tag); bcopy(args.next_hop, (fwd_tag+1), sizeof(struct sockaddr_in)); m_tag_prepend(*m0, fwd_tag); |
