linux-kernel - Re: [PATCH net-next] l2tp: device MTU setup, tunnel socket needs a lock

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Date:   Mon, 17 Apr 2017 13:02:19 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     parameswaran.r7@...il.com
Cc:     netdev@...r.kernel.org, kleptog@...na.org, jchapman@...alix.com,
        nprachan@...cade.com, rshearma@...cade.com,
        stephen@...workplumber.org, sdietric@...cade.com,
        ciwillia@...cade.com, lboccass@...cade.com, dfawcus@...cade.com,
        bhong@...cade.com, jblunck@...cade.com, g.nault@...halink.fr,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] l2tp: device MTU setup, tunnel socket needs a
 lock

From: "R. Parameswaran" <parameswaran.r7@...il.com>
Date: Wed, 12 Apr 2017 18:31:04 -0700 (PDT)

> 
> The MTU overhead calculation in L2TP device set-up
> merged via commit b784e7ebfce8cfb16c6f95e14e8532d0768ab7ff
> needs to be adjusted to lock the tunnel socket while
> referencing the sub-data structures to derive the
> socket's IP overhead.
> 
> Reported-by: Guillaume Nault <g.nault@...halink.fr>
> Tested-by: Guillaume Nault <g.nault@...halink.fr>
> Signed-off-by: R. Parameswaran <rparames@...cade.com>

Applied, thanks.