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inet: add sk_listener argument to inet_reqsk_alloc()

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listener socket can be used to set net pointer, and will
be later used to hold a reference on listener.

Add a const qualifier to first argument (struct request_sock_ops *),
and factorize all write_pnet(&ireq->ireq_net, sock_net(sk));

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2015-03-17 18:32:26 -07:00
committed by David S. Miller
parent 9f2dbdd9b1
commit 407640de21
6 changed files with 11 additions and 13 deletions
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3
net/ipv4/syncookies.c
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@@ -325,7 +325,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
goto out;
ret = NULL;
req = inet_reqsk_alloc(&tcp_request_sock_ops); /* for safety */
req = inet_reqsk_alloc(&tcp_request_sock_ops, sk); /* for safety */
if (!req)
goto out;
@@ -346,7 +346,6 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
req->ts_recent = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
treq->snt_synack = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
treq->listener = NULL;
write_pnet(&ireq->ireq_net, sock_net(sk));
ireq->ireq_family = AF_INET;
ireq->ir_iif = sk->sk_bound_dev_if;