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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 <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-09-25 07:39:21 -07:00 committed by David S. Miller
parent 1c1e9d2b67
commit 0f935dbedc
3 changed files with 3 additions and 3 deletions
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2
include/net/tcp.h
View File

@ -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,

2
net/ipv4/tcp_ipv4.c
View File

@ -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,

2
net/ipv6/tcp_ipv6.c
View File

@ -434,7 +434,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
}
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,