diff options
| author | andre <andre@FreeBSD.org> | 2005-09-10 07:43:29 +0000 |
|---|---|---|
| committer | andre <andre@FreeBSD.org> | 2005-09-10 07:43:29 +0000 |
| commit | 37d27a5a23a55f381f02d1af656bb44d2873d87a (patch) | |
| tree | 8fe23008183279e179cfa3fc99933a2818b21aab /sys/netinet/tcp_timewait.c | |
| parent | e74d0361d3a1e489a136b899dd637e3c004c6ab6 (diff) | |
| download | FreeBSD-src-37d27a5a23a55f381f02d1af656bb44d2873d87a.zip FreeBSD-src-37d27a5a23a55f381f02d1af656bb44d2873d87a.tar.gz | |
In tcp_ctlinput() do not swap ip->ip_len a second time. It
has been done in icmp_input() already.
This fixes the ICMP_UNREACH_NEEDFRAG case where no MTU was
proposed in the ICMP reply.
PR: kern/81813
Submitted by: Vitezslav Novy <vita at fio.cz>
MFC after: 3 days
Diffstat (limited to 'sys/netinet/tcp_timewait.c')
| -rw-r--r-- | sys/netinet/tcp_timewait.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/netinet/tcp_timewait.c b/sys/netinet/tcp_timewait.c index b2f34c1..f8b0707 100644 --- a/sys/netinet/tcp_timewait.c +++ b/sys/netinet/tcp_timewait.c @@ -1170,10 +1170,11 @@ tcp_ctlinput(cmd, sa, vip) /* * If no alternative MTU was * proposed, try the next smaller - * one. + * one. ip->ip_len has already + * been swapped in icmp_input(). */ if (!mtu) - mtu = ip_next_mtu(ntohs(ip->ip_len), + mtu = ip_next_mtu(ip->ip_len, 1); if (mtu < max(296, (tcp_minmss) + sizeof(struct tcpiphdr))) |
