diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_input.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 8010583f868b..dc49a3d551eb 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3601,7 +3601,7 @@ bool tcp_oow_rate_limited(struct net *net, const struct sk_buff *skb, } /* RFC 5961 7 [ACK Throttling] */ -static void tcp_send_challenge_ack(struct sock *sk, const struct sk_buff *skb) +static void tcp_send_challenge_ack(struct sock *sk) { /* unprotected vars, we dont care of overwrites */ static u32 challenge_timestamp; @@ -3763,7 +3763,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) /* RFC 5961 5.2 [Blind Data Injection Attack].[Mitigation] */ if (before(ack, prior_snd_una - tp->max_window)) { if (!(flag & FLAG_NO_CHALLENGE_ACK)) - tcp_send_challenge_ack(sk, skb); + tcp_send_challenge_ack(sk); return -1; } goto old_ack; @@ -5726,7 +5726,7 @@ static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, if (tp->syn_fastopen && !tp->data_segs_in && sk->sk_state == TCP_ESTABLISHED) tcp_fastopen_active_disable(sk); - tcp_send_challenge_ack(sk, skb); + tcp_send_challenge_ack(sk); } goto discard; } @@ -5741,7 +5741,7 @@ syn_challenge: if (syn_inerr) TCP_INC_STATS(sock_net(sk), TCP_MIB_INERRS); NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPSYNCHALLENGE); - tcp_send_challenge_ack(sk, skb); + tcp_send_challenge_ack(sk); goto discard; } @@ -6456,7 +6456,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb) if (!acceptable) { if (sk->sk_state == TCP_SYN_RECV) return 1; /* send one RST */ - tcp_send_challenge_ack(sk, skb); + tcp_send_challenge_ack(sk); goto discard; } switch (sk->sk_state) { |