linux-kernel - Re: [PATCH AUTOSEL 5.1 08/51] ASoC: core: lock client

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Message-ID: <20190626103701.GT5316@sirena.org.uk>
Date:   Wed, 26 Jun 2019 11:37:01 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
Subject: Re: [PATCH AUTOSEL 5.1 08/51] ASoC: core: lock client_mutex while
 removing link components

On Tue, Jun 25, 2019 at 11:40:24PM -0400, Sasha Levin wrote:
> From: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
> 
> [ Upstream commit 34ac3c3eb8f0c07252ceddf0a22dd240e5c91ccb ]
> 
> Removing link components results in topology unloading. So,
> acquire the client_mutex before removing components in
> soc_remove_link_components. This will prevent the lockdep warning
> seen when dai links are removed during topology removal.

There's additional fixes for this IIRC.

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