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Commit e9c390df authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: rsnd: make sure it uses lock when it calls rsnd_dai_call 



rsnd_dai_call() should be called under rsnd_lock

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent eb2535f5

sound/soc/sh/rcar/core.c

+22 −5
Original line number Diff line number Diff line
@@ -731,10 +731,15 @@ static int rsnd_hw_params(struct snd_pcm_substream *substream, 
{

	struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);

	struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);

	struct rsnd_priv *priv = rsnd_dai_to_priv(dai);

	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);

	unsigned long flags;

	int ret;



	rsnd_lock(priv, flags);

	ret = rsnd_dai_call(hw_params, io, substream, hw_params);

	rsnd_unlock(priv, flags);



	if (ret)

		return ret;
@@ -919,14 +924,16 @@ int rsnd_kctrl_new_e(struct rsnd_mod *mod, 
static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)

{

	struct snd_soc_dai *dai = rtd->cpu_dai;

	struct rsnd_priv *priv = rsnd_dai_to_priv(dai);

	struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);

	int ret;

	unsigned long flags;

	int ret = 0;



	ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd);

	if (ret)

		return ret;

	rsnd_lock(priv, flags);

	ret |= rsnd_dai_call(pcm_new, &rdai->playback, rtd);

	ret |= rsnd_dai_call(pcm_new, &rdai->capture, rtd);

	rsnd_unlock(priv, flags);



	ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd);

	if (ret)

		return ret;
@@ -949,8 +956,11 @@ static const struct snd_soc_component_driver rsnd_soc_component = { 
static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv,

				       struct rsnd_dai_stream *io)

{

	unsigned long flags;

	int ret;



	rsnd_lock(priv, flags);



	ret = rsnd_dai_call(probe, io, priv);

	if (ret == -EAGAIN) {

		/*
@@ -983,6 +993,7 @@ static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, 
		 */

		ret = rsnd_dai_call(probe, io, priv);

	}

	rsnd_unlock(priv, flags);



	return ret;

}
@@ -998,6 +1009,7 @@ static int rsnd_probe(struct platform_device *pdev) 
	struct rsnd_dai *rdai;

	const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev);

	const struct rsnd_of_data *of_data;

	unsigned long flags;

	int (*probe_func[])(struct platform_device *pdev,

			    const struct rsnd_of_data *of_data,

			    struct rsnd_priv *priv) = {
@@ -1084,10 +1096,12 @@ static int rsnd_probe(struct platform_device *pdev) 
exit_snd_soc:

	snd_soc_unregister_platform(dev);

exit_snd_probe:

	rsnd_lock(priv, flags);

	for_each_rsnd_dai(rdai, priv, i) {

		rsnd_dai_call(remove, &rdai->playback, priv);

		rsnd_dai_call(remove, &rdai->capture, priv);

	}

	rsnd_unlock(priv, flags);



	return ret;

}
@@ -1096,6 +1110,7 @@ static int rsnd_remove(struct platform_device *pdev) 
{

	struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);

	struct rsnd_dai *rdai;

	unsigned long flags;

	void (*remove_func[])(struct platform_device *pdev,

			      struct rsnd_priv *priv) = {

		rsnd_ssi_remove,
@@ -1106,10 +1121,12 @@ static int rsnd_remove(struct platform_device *pdev) 


	pm_runtime_disable(&pdev->dev);



	rsnd_lock(priv, flags);

	for_each_rsnd_dai(rdai, priv, i) {

		ret |= rsnd_dai_call(remove, &rdai->playback, priv);

		ret |= rsnd_dai_call(remove, &rdai->capture, priv);

	}

	rsnd_unlock(priv, flags);



	for (i = 0; i < ARRAY_SIZE(remove_func); i++)

		remove_func[i](pdev, priv);