From: Eric Dumazet <eric.duma...@gmail.com>
Date: Thu, 02 Nov 2017 11:53:04 -0700
> From: Eric Dumazet <eduma...@google.com>
>
> icsk_accept_queue.fastopenq.lock is only fully initialized at listen()
> time.
>
> LOCKDEP is not happy if we attempt a spin_lock_bh() on it, because
> of missing annotation. (Although kernel runs just fine)
>
> Lets use net->ipv4.tcp_fastopen_ctx_lock to protect ctx access.
>
> Fixes: 1fba70e5b6be ("tcp: socket option to set TCP fast open key")
> Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied.
