Unverified Commit 971da24c authored Jan 23, 2018 by Kuninori Morimoto Committed by Mark Brown Jan 23, 2018

ASoC: soc-core: snd_soc_rtdcom_lookup() cares component driver name



snd_soc_rtdcom_lookup() look up component by uisng driver name.
Then, it uses component->driver->name.
Some driver might doesn't have it, thus it should care NULL pointer.
This patch solve this issue.

Reported-by: Mukunda,Vijendar <vijendar.mukunda@amd.com>
Reported-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Mukunda,Vijendar <vijendar.mukunda@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 031734b7

sound/soc/soc-core.c

+10 −2

Original line number	Diff line number	Diff line
		@@ -590,9 +590,17 @@ struct snd_soc_component snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime rtd,
		{
		struct snd_soc_rtdcom_list *rtdcom;

		if (!driver_name)
		return NULL;

		for_each_rtdcom(rtd, rtdcom) {
		if ((rtdcom->component->driver->name == driver_name) \|\|
		strcmp(rtdcom->component->driver->name, driver_name) == 0)
		const char *component_name = rtdcom->component->driver->name;

		if (!component_name)
		continue;

		if ((component_name == driver_name) \|\|
		strcmp(component_name, driver_name) == 0)
		return rtdcom->component;
		}

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