Re: [PATCH v3 0/7] ASoC: soc-pcm cleanup step2

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To: Dmitry Osipenko <digetx@xxxxxxxxx>, Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>
Subject: Re: [PATCH v3 0/7] ASoC: soc-pcm cleanup step2
From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Date: Wed, 19 Feb 2020 10:09:21 -0600
Cc: "linux-tegra@xxxxxxxxxxxxxxx" <linux-tegra@xxxxxxxxxxxxxxx>, Linux-ALSA <alsa-devel@xxxxxxxxxxxxxxxx>, Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>, Jon Hunter <jonathanh@xxxxxxxxxx>
In-reply-to: <5d19876d-86a4-a461-f47a-68c7ba1f46ac@gmail.com>
References: <87d0anceze.wl-kuninori.morimoto.gx@renesas.com> <5d19876d-86a4-a461-f47a-68c7ba1f46ac@gmail.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

I'm observing a NULL dereference on NVIDIA Tegra20/30 once PulseAudio is
loaded.

The offending patch is:

   ASoC: soc-pcm: call snd_soc_component_open/close() once


We also see a regression Kai bisected to the same patch

https://github.com/thesofproject/linux/pull/1805#issuecomment-588266014

Follow-Ups:
- Re: [PATCH v3 0/7] ASoC: soc-pcm cleanup step2
  - From: Kai Vehmanen

References:
- [PATCH v3 0/7] ASoC: soc-pcm cleanup step2
  - From: Kuninori Morimoto
- Re: [PATCH v3 0/7] ASoC: soc-pcm cleanup step2
  - From: Dmitry Osipenko

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