netdev - Re: [PATCH net] ppp: fix lockdep splat in ppp_dev

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Message-Id: <20150925.123849.2051432696335836688.davem@davemloft.net>
Date:	Fri, 25 Sep 2015 12:38:49 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	g.nault@...halink.fr
Cc:	netdev@...r.kernel.org, paulus@...ba.org, sedat.dilek@...il.com
Subject: Re: [PATCH net] ppp: fix lockdep splat in ppp_dev_uninit()

From: Guillaume Nault <g.nault@...halink.fr>
Date: Thu, 24 Sep 2015 12:54:01 +0200

> ppp_dev_uninit() locks all_ppp_mutex while under rtnl mutex protection.
> ppp_create_interface() must then lock these mutexes in that same order
> to avoid possible deadlock.
 ...
> Fixes: 8cb775bc0a34 ("ppp: fix device unregistration upon netns deletion")
> Reported-by: Sedat Dilek <sedat.dilek@...il.com>
> Tested-by: Sedat Dilek <sedat.dilek@...il.com>
> Signed-off-by: Guillaume Nault <g.nault@...halink.fr>

Applied and queued up for -stable, thanks.
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