linux-kernel - Re: [PATCH] Revert "ASoC: tegra: machine: Handle component name prefix"

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Message-ID: <32040b21-370f-44af-b1fe-bd625bc3fd9d@linaro.org>
Date: Mon, 7 Oct 2024 15:00:56 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Benjamin Bara <bbara93@...il.com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Thierry Reding <thierry.reding@...il.com>,
 Jonathan Hunter <jonathanh@...dia.com>
Cc: linux-sound@...r.kernel.org, linux-tegra@...r.kernel.org,
 linux-kernel@...r.kernel.org, Benjamin Bara <benjamin.bara@...data.com>,
 stable@...r.kernel.org
Subject: Re: [PATCH] Revert "ASoC: tegra: machine: Handle component name
 prefix"

On 07/10/2024 10:12, Benjamin Bara wrote:
> From: Benjamin Bara <benjamin.bara@...data.com>
> 
> This reverts commit f82eb06a40c86c9a82537e956de401d497203d3a.
> 
> Tegra is adding the DAPM of the respective widgets directly to the card
> and therefore the DAPM has no component. Without the component, the
> precondition for snd_soc_dapm_to_component() fails, which results in
> undefined behavior. Use the old implementation, as we cannot have a
> prefix without component.
> 
> Cc: stable@...r.kernel.org # v6.7+

Fixes: f82eb06a40c8 ("ASoC: tegra: machine: Handle component name prefix")

I think Samsung speyside from the same patchset might repeat this mistake.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof