linux-kernel - Re: [BUG] NULL pointer on next-20180419 on Odroid XU3 (snd_soc_register

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Message-ID: <20180419112232.GB27188@sirena.org.uk>
Date:   Thu, 19 Apr 2018 12:22:32 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        "linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [BUG] NULL pointer on next-20180419 on Odroid XU3
 (snd_soc_register_card)

On Thu, Apr 19, 2018 at 09:08:07AM +0200, Krzysztof Kozlowski wrote:

> On today's next-20180419, NULL pointer exception appeared in
> snd_soc_instantiate_card() on Odroid XU3 and XU boards (Samsung,
> Exynos5422, Exynos5410, max98090 codec). Built with exynos_defconfig
> (ARM).

> I bisected it to:
> 45f8cb57da0d7a9ead4b39d7f5def333a5b0c08b is the first bad commit
> commit 45f8cb57da0d7a9ead4b39d7f5def333a5b0c08b
> Author: Liam Girdwood <liam.r.girdwood@...ux.intel.com>
> Date:   Tue Mar 27 14:30:40 2018 +0100
> 
>     ASoC: core: Allow topology to override machine driver FE DAI link config.

OK, reverting this one as well for now along with f11a5c27f9287 "ASoC:
core: Add name prefix for machines with topology rewrites" which depends
on it :(

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