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ASoC: soc-core.c: Skip dummy codec when adding platforms
When pcm_runtime is adding platform components it will scan all registered components. In case of DPCM FE/BE some DAI links will configure dummy platform. However both dummy codec and dummy platform are using "snd-soc-dummy" as component->name. Dummy codec should be skipped when adding platforms otherwise there'll be overflow and UBSAN complains. Reported-by: Zhipeng Wang <zhipeng.wang_1@nxp.com> Signed-off-by: Chancel Liu <chancel.liu@nxp.com> Link: https://msgid.link/r/20240305065606.3778642-1-chancel.liu@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -1219,6 +1219,9 @@ static int snd_soc_add_pcm_runtime(struct snd_soc_card *card,
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if (!snd_soc_is_matching_component(platform, component))
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continue;
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if (snd_soc_component_is_dummy(component) && component->num_dai)
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continue;
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snd_soc_rtd_add_component(rtd, component);
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}
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}
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