diff options
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 16 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 16 |
2 files changed, 20 insertions, 12 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8c124d4ef4b7..9a89b8deafae 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -145,6 +145,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) struct flowi4 *fl4; struct rtable *rt; int err; + u32 seq; struct ip_options_rcu *inet_opt; struct inet_timewait_death_row *tcp_death_row = &sock_net(sk)->ipv4.tcp_death_row; @@ -234,12 +235,15 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_setup_caps(sk, &rt->dst); rt = NULL; - if (!tp->write_seq && likely(!tp->repair)) - tp->write_seq = secure_tcp_sequence_number(inet->inet_saddr, - inet->inet_daddr, - inet->inet_sport, - usin->sin_port, - &tp->tsoffset); + if (likely(!tp->repair)) { + seq = secure_tcp_sequence_number(inet->inet_saddr, + inet->inet_daddr, + inet->inet_sport, + usin->sin_port, + &tp->tsoffset); + if (!tp->write_seq) + tp->write_seq = seq; + } inet->inet_id = tp->write_seq ^ jiffies; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 21c719965b6b..60a5295a7de6 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -122,6 +122,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, struct flowi6 fl6; struct dst_entry *dst; int addr_type; + u32 seq; int err; struct inet_timewait_death_row *tcp_death_row = &sock_net(sk)->ipv4.tcp_death_row; @@ -285,12 +286,15 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, sk_set_txhash(sk); - if (!tp->write_seq && likely(!tp->repair)) - tp->write_seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32, - sk->sk_v6_daddr.s6_addr32, - inet->inet_sport, - inet->inet_dport, - &tp->tsoffset); + if (likely(!tp->repair)) { + seq = secure_tcpv6_sequence_number(np->saddr.s6_addr32, + sk->sk_v6_daddr.s6_addr32, + inet->inet_sport, + inet->inet_dport, + &tp->tsoffset); + if (!tp->write_seq) + tp->write_seq = seq; + } if (tcp_fastopen_defer_connect(sk, &err)) return err; |