linux-kernel - Re: [PATCH AUTOSEL 5.1 31/51] ASoC: core: move DAI pre-links initiation to snd_soc_instantiate

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Message-ID: <20190626103843.GV5316@sirena.org.uk>
Date:   Wed, 26 Jun 2019 11:38:43 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Tzung-Bi Shih <tzungbi@...gle.com>
Subject: Re: [PATCH AUTOSEL 5.1 31/51] ASoC: core: move DAI pre-links
 initiation to snd_soc_instantiate_card

On Tue, Jun 25, 2019 at 11:40:47PM -0400, Sasha Levin wrote:
> From: Tzung-Bi Shih <tzungbi@...gle.com>
> 
> [ Upstream commit 70fc53734e71ce51f46dfcfd1a1c319e1cfe080c ]
> 
> Kernel crashes when an ASoC component rebinding.
> 
> The dai_link->platforms has been reset to NULL by soc_cleanup_platform()
> in soc_cleanup_card_resources() when un-registering component.  However,
> it has no chance to re-allocate the dai_link->platforms when registering
> the component again.

Again, are you sure there's no dependencies?

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