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-rw-r--r--sound/core/pcm.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index e53794319ef3..02bd96954dc4 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1027,7 +1027,8 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
static ssize_t show_pcm_class(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_pcm *pcm;
+ struct snd_pcm_str *pstr = container_of(dev, struct snd_pcm_str, dev);
+ struct snd_pcm *pcm = pstr->pcm;
const char *str;
static const char *strs[SNDRV_PCM_CLASS_LAST + 1] = {
[SNDRV_PCM_CLASS_GENERIC] = "generic",
@@ -1036,8 +1037,7 @@ static ssize_t show_pcm_class(struct device *dev,
[SNDRV_PCM_CLASS_DIGITIZER] = "digitizer",
};
- if (! (pcm = dev_get_drvdata(dev)) ||
- pcm->dev_class > SNDRV_PCM_CLASS_LAST)
+ if (pcm->dev_class > SNDRV_PCM_CLASS_LAST)
str = "none";
else
str = strs[pcm->dev_class];