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tcp: constify tcp_v{4|6}_route_req() sock argument

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These functions do not change the listener socket.
Goal is to make sure tcp_conn_request() is not messing with
listener in a racy way.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2015-09-29 07:42:50 -07:00
committed by David S. Miller
parent 3f684b4b1f
commit f964629e33
3 changed files with 5 additions and 3 deletions
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3
net/ipv4/tcp_ipv4.c
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@@ -1180,7 +1180,8 @@ static void tcp_v4_init_req(struct request_sock *req,
ireq->opt = tcp_v4_save_options(skb);
}
static struct dst_entry *tcp_v4_route_req(struct sock *sk, struct flowi *fl,
static struct dst_entry *tcp_v4_route_req(const struct sock *sk,
struct flowi *fl,
const struct request_sock *req,
bool *strict)
{