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inet: constify inet_rtx_syn_ack() sock argument

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SYNACK packets are sent on behalf on unlocked listeners
or fastopen sockets. Mark socket as const to catch future changes
that might break the assumption.

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 07:39:24 -07:00 committed by David S. Miller
parent ea3bea3a1d
commit 1b70e977ce
2 changed files with 2 additions and 2 deletions
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2
include/net/request_sock.h
View file

@ -42,7 +42,7 @@ struct request_sock_ops {
void (*syn_ack_timeout)(const struct request_sock *req);
};
int inet_rtx_syn_ack(struct sock *parent, struct request_sock *req);
int inet_rtx_syn_ack(const struct sock *parent, struct request_sock *req);
/* struct request_sock - mini sock to represent a connection request
*/

2
net/ipv4/inet_connection_sock.c
View file

@ -563,7 +563,7 @@ static inline void syn_ack_recalc(struct request_sock *req, const int thresh,
req->num_timeout >= rskq_defer_accept - 1;
}
int inet_rtx_syn_ack(struct sock *parent, struct request_sock *req)
int inet_rtx_syn_ack(const struct sock *parent, struct request_sock *req)
{
int err = req->rsk_ops->rtx_syn_ack(parent, req);