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-rw-r--r--sound/core/init.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/sound/core/init.c b/sound/core/init.c
index 0095a530ff12..b7085eb19079 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -624,15 +624,15 @@ static ssize_t
card_id_show_attr(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_card *card = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%s\n", card ? card->id : "(null)");
+ struct snd_card *card = container_of(dev, struct snd_card, card_dev);
+ return snprintf(buf, PAGE_SIZE, "%s\n", card->id);
}
static ssize_t
card_id_store_attr(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- struct snd_card *card = dev_get_drvdata(dev);
+ struct snd_card *card = container_of(dev, struct snd_card, card_dev);
char buf1[sizeof(card->id)];
size_t copy = count > sizeof(card->id) - 1 ?
sizeof(card->id) - 1 : count;
@@ -664,8 +664,8 @@ static ssize_t
card_number_show_attr(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct snd_card *card = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%i\n", card ? card->number : -1);
+ struct snd_card *card = container_of(dev, struct snd_card, card_dev);
+ return snprintf(buf, PAGE_SIZE, "%i\n", card->number);
}
static DEVICE_ATTR(number, S_IRUGO, card_number_show_attr, NULL);
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