netdev - RE: [PATCH] net: stmmac: Fix ASSERT_RTNL() warning on suspend/resume

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Message-ID: <86ftkkzaiq.fsf@baylibre.com>
Date:   Wed, 25 Sep 2019 17:00:13 +0200
From:   Loys Ollivier <lollivier@...libre.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>,
        Russell King <linux@...linux.org.uk>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "netdev\@vger.kernel.org" <netdev@...r.kernel.org>,
        "linux-stm32\@st-md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel\@lists.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] net: stmmac: Fix ASSERT_RTNL() warning on suspend/resume

On Tue 17 Sep 2019 at 10:12, Jose Abreu <Jose.Abreu@...opsys.com> wrote:

> From: Loys Ollivier <lollivier@...libre.com>
> Date: Sep/17/2019, 11:02:36 (UTC+00:00)
>
>> rtnl_lock needs to be taken before calling phylink_start/stop to lock the
>> network stack.
>> Fix ASSERT_RTNL() warnings by protecting such calls with lock/unlock.
>> 
>> Fixes: 74371272f97f ("net: stmmac: Convert to phylink and remove phylib logic")
>> Signed-off-by: Loys Ollivier <lollivier@...libre.com>
>
> I already sent a fix for this. Please see in -net:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/driv
> ers/net/ethernet/stmicro/stmmac?id=19e13cb27b998ff49f07e399b5871bfe5ba7e3
> f0

Ah good catch :)

>
> ---
> Thanks,
> Jose Miguel Abreu