From e9c390df671fadc829550935ffb6b23549f26ded Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Fri, 10 Apr 2015 08:49:49 +0000 Subject: [PATCH] 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: Kuninori Morimoto Signed-off-by: Mark Brown --- sound/soc/sh/rcar/core.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index a2a0b5768c44..164653c0bc10 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -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); -- 2.11.0