diff options
Diffstat (limited to 'sys/netinet/tcp_subr.c')
| -rw-r--r-- | sys/netinet/tcp_subr.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index d4c552f03cce..e38a2a7bf452 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -420,6 +420,7 @@ tcp_respond(tp, ipgen, th, m, ack, seq, flags) nth->th_urp = 0; #ifdef INET6 if (isipv6) { + nth->th_sum = 0; nth->th_sum = in6_cksum(m, IPPROTO_TCP, sizeof(struct ip6_hdr), tlen - sizeof(struct ip6_hdr)); |