netdev - Re: [PATCH net] mptcp: fix joined subflows with unblocking sk

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Date:   Mon, 27 Jul 2020 11:52:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     matthieu.baerts@...sares.net
Cc:     netdev@...r.kernel.org, mathew.j.martineau@...ux.intel.com,
        kuba@...nel.org, pabeni@...hat.com, mptcp@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] mptcp: fix joined subflows with unblocking sk

From: Matthieu Baerts <matthieu.baerts@...sares.net>
Date: Mon, 27 Jul 2020 12:24:33 +0200

> Unblocking sockets used for outgoing connections were not containing
> inet info about the initial connection due to a typo there: the value of
> "err" variable is negative in the kernelspace.
> 
> This fixes the creation of additional subflows where the remote port has
> to be reused if the other host didn't announce another one. This also
> fixes inet_diag showing blank info about MPTCP sockets from unblocking
> sockets doing a connect().
> 
> Fixes: 41be81a8d3d0 ("mptcp: fix unblocking connect()")
> Signed-off-by: Matthieu Baerts <matthieu.baerts@...sares.net>

Applied, thanks!