diff options
author | Daniel Hartmeier <dhartmei@cvs.openbsd.org> | 2004-06-14 08:26:50 +0000 |
---|---|---|
committer | Daniel Hartmeier <dhartmei@cvs.openbsd.org> | 2004-06-14 08:26:50 +0000 |
commit | 3c3a93ac7765dde3e397739f03b36a735ee304e0 (patch) | |
tree | dcf31cb8c46e02cb0e898ccb7a2ab071a42a55f0 /sys/netinet | |
parent | 3619135ef552c72d767a106faf00b4587deb93e4 (diff) |
Calculate optp (pointer to beginning of TCP options) based on th, not
mtod(m), since the previous IP6_EXTHDR_GET() only guarantees this part
to be continuous. Report from Andreas Bartelt. ok markus@, itojun@
Diffstat (limited to 'sys/netinet')
-rw-r--r-- | sys/netinet/tcp_input.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 0be4cb792c6..c7e594f3dfc 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.172 2004/06/08 19:47:24 markus Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.173 2004/06/14 08:26:49 dhartmei Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -561,7 +561,7 @@ tcp_input(struct mbuf *m, ...) return; } optlen = off - sizeof(struct tcphdr); - optp = mtod(m, u_int8_t *) + iphlen + sizeof(struct tcphdr); + optp = (u_int8_t *)(th + 1); /* * Do quick retrieval of timestamp options ("options * prediction?"). If timestamp is the only option and it's |