netdev - Re: [PATCH net 1/2] net/tls: partially revert fix transition through disconnect with close

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Date:   Mon, 05 Aug 2019 13:15:52 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     jakub.kicinski@...ronome.com
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        edumazet@...gle.com, davejwatson@...com, borisp@...lanox.com,
        aviadye@...lanox.com, john.fastabend@...il.com,
        daniel@...earbox.net
Subject: Re: [PATCH net 1/2] net/tls: partially revert fix transition
 through disconnect with close

From: Jakub Kicinski <jakub.kicinski@...ronome.com>
Date: Thu,  1 Aug 2019 14:36:01 -0700

> Looks like we were slightly overzealous with the shutdown()
> cleanup. Even though the sock->sk_state can reach CLOSED again,
> socket->state will not got back to SS_UNCONNECTED once
> connections is ESTABLISHED. Meaning we will see EISCONN if
> we try to reconnect, and EINVAL if we try to listen.
> 
> Only listen sockets can be shutdown() and reused, but since
> ESTABLISHED sockets can never be re-connected() or used for
> listen() we don't need to try to clean up the ULP state early.
> 
> Fixes: 32857cf57f92 ("net/tls: fix transition through disconnect with close")
> Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>

Applied and queued up for -stable.