From 0f935dbedc49a5044ebff08b47eef35a2f2bbe92 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 25 Sep 2015 07:39:21 -0700 Subject: [PATCH] tcp: constify tcp_v{4|6}_send_synack() socket argument This documents fact that listener lock might not be held at the time SYNACK are sent. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/net/tcp.h | 2 +- net/ipv4/tcp_ipv4.c | 2 +- net/ipv6/tcp_ipv6.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/net/tcp.h b/include/net/tcp.h index 19f2359..868c535 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1717,7 +1717,7 @@ struct tcp_request_sock_ops { const struct request_sock *req, bool *strict); __u32 (*init_seq)(const struct sk_buff *skb); - int (*send_synack)(struct sock *sk, struct dst_entry *dst, + int (*send_synack)(const struct sock *sk, struct dst_entry *dst, struct flowi *fl, struct request_sock *req, u16 queue_mapping, struct tcp_fastopen_cookie *foc); void (*queue_hash_add)(struct sock *sk, struct request_sock *req, diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 1c1009d..a23ba7d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -818,7 +818,7 @@ static void tcp_v4_reqsk_send_ack(struct sock *sk, struct sk_buff *skb, * This still operates on a request_sock only, not on a big * socket. */ -static int tcp_v4_send_synack(struct sock *sk, struct dst_entry *dst, +static int tcp_v4_send_synack(const struct sock *sk, struct dst_entry *dst, struct flowi *fl, struct request_sock *req, u16 queue_mapping, diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 1071131..16fb299 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -434,7 +434,7 @@ out: } -static int tcp_v6_send_synack(struct sock *sk, struct dst_entry *dst, +static int tcp_v6_send_synack(const struct sock *sk, struct dst_entry *dst, struct flowi *fl, struct request_sock *req, u16 queue_mapping, -- 2.7.4