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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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9
include/net/inet_sock.h
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@ -244,16 +244,19 @@ static inline unsigned int __inet_ehashfn(const __be32 laddr,
initval);
}
static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
static inline struct request_sock *
inet_reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk_listener)
{
struct request_sock *req = reqsk_alloc(ops);
struct inet_request_sock *ireq = inet_rsk(req);
if (req != NULL) {
if (req) {
struct inet_request_sock *ireq = inet_rsk(req);
kmemcheck_annotate_bitfield(ireq, flags);
ireq->opt = NULL;
atomic64_set(&ireq->ir_cookie, 0);
ireq->ireq_state = TCP_NEW_SYN_RECV;
write_pnet(&ireq->ireq_net, sock_net(sk_listener));
/* Following is temporary. It is coupled with debugging
* helpers in reqsk_put() & reqsk_free()