On Thu, Jun 21, 2018 at 7:23 AM, Ursula Braun <ubraun@xxxxxxxxxxxxx> wrote:
> @@ -605,6 +606,13 @@ static int smc_connect(struct socket *sock, struct sockaddr *addr,
>
> smc_copy_sock_settings_to_clc(smc);
> tcp_sk(smc->clcsock->sk)->syn_smc = 1;
> + if (flags & O_NONBLOCK) {
> + rcu_read_lock();
> + smc->smcwq = rcu_dereference(sk->sk_wq);
> + rcu_assign_pointer(sock->sk->sk_wq,
> + rcu_dereference(smc->clcsock->sk->sk_wq));
> + rcu_read_unlock();
Are you really deref'ing any RCU pointer here?
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