diff options
| author | andre <andre@FreeBSD.org> | 2006-09-28 13:59:26 +0000 |
|---|---|---|
| committer | andre <andre@FreeBSD.org> | 2006-09-28 13:59:26 +0000 |
| commit | 3119a75f5a0277365032bf5d5af3bd900c0fb1b8 (patch) | |
| tree | a7f68e468e1061f1fd5a79991ac31b0dfe0c49b4 /sys/netinet/tcp_output.c | |
| parent | 631a4a40d03b4b5f0cdf799f80f33b805a54f452 (diff) | |
| download | FreeBSD-src-3119a75f5a0277365032bf5d5af3bd900c0fb1b8.zip FreeBSD-src-3119a75f5a0277365032bf5d5af3bd900c0fb1b8.tar.gz | |
When doing TSO correctly do the check to prevent a maximum sized IP packet
from overflowing.
Diffstat (limited to 'sys/netinet/tcp_output.c')
| -rw-r--r-- | sys/netinet/tcp_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index dc67a5d..0ea53e2 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -739,7 +739,7 @@ send: if (len + optlen + ipoptlen > tp->t_maxopd) { flags &= ~TH_FIN; if (tso) { - if (len > TCP_MAXWIN) { + if (len > TCP_MAXWIN - hdrlen) { len = TCP_MAXWIN - hdrlen; len = len - (len % (tp->t_maxopd - optlen)); sendalot = 1; |
