Unverified Commit 065aa861 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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ASoC: soc-core: protect dlc->of_node under mutex 



dlc->of_node will be set on snd_soc_get_dlc(), but we want
1) protect it by mutex, 2) set only when successed.
This patch do it.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878rc1kerv.wl-kuninori.morimoto.gx@renesas.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 82770b76

sound/soc/soc-core.c

+4 −2
Original line number Diff line number Diff line
@@ -3278,8 +3278,6 @@ int snd_soc_get_dlc(const struct of_phandle_args *args, struct snd_soc_dai_link_ 
	struct snd_soc_component *pos;

	int ret = -EPROBE_DEFER;



	dlc->of_node = args->np;



	mutex_lock(&client_mutex);

	for_each_component(pos) {

		struct device_node *component_of_node = soc_component_to_node(pos);
@@ -3333,6 +3331,10 @@ int snd_soc_get_dlc(const struct of_phandle_args *args, struct snd_soc_dai_link_ 


		break;

	}



	if (ret == 0)

		dlc->of_node = args->np;



	mutex_unlock(&client_mutex);

	return ret;

}