@@ -53,7 +53,7 @@ struct snd_hwdep {
wait_queue_head_t open_wait;
void *private_data;
void (*private_free) (struct snd_hwdep *hwdep);
- struct device dev;
+ struct device *dev;
struct mutex open_mutex;
int used; /* reference counter */
@@ -338,9 +338,14 @@ static const struct file_operations snd_hwdep_f_ops =
.mmap = snd_hwdep_mmap,
};
-static void release_hwdep_device(struct device *dev)
+static void snd_hwdep_free(struct snd_hwdep *hwdep)
{
- kfree(container_of(dev, struct snd_hwdep, dev));
+ if (!hwdep)
+ return;
+ if (hwdep->private_free)
+ hwdep->private_free(hwdep);
+ put_device(hwdep->dev);
+ kfree(hwdep);
}
/**
@@ -382,16 +387,20 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
if (id)
strscpy(hwdep->id, id, sizeof(hwdep->id));
- snd_device_initialize(&hwdep->dev, card);
- hwdep->dev.release = release_hwdep_device;
- dev_set_name(&hwdep->dev, "hwC%iD%i", card->number, device);
+ err = snd_device_alloc(&hwdep->dev, card);
+ if (err < 0) {
+ snd_hwdep_free(hwdep);
+ return err;
+ }
+
+ dev_set_name(hwdep->dev, "hwC%iD%i", card->number, device);
#ifdef CONFIG_SND_OSSEMUL
hwdep->oss_type = -1;
#endif
err = snd_device_new(card, SNDRV_DEV_HWDEP, hwdep, &ops);
if (err < 0) {
- put_device(&hwdep->dev);
+ snd_hwdep_free(hwdep);
return err;
}
@@ -403,12 +412,7 @@ EXPORT_SYMBOL(snd_hwdep_new);
static int snd_hwdep_dev_free(struct snd_device *device)
{
- struct snd_hwdep *hwdep = device->device_data;
- if (!hwdep)
- return 0;
- if (hwdep->private_free)
- hwdep->private_free(hwdep);
- put_device(&hwdep->dev);
+ snd_hwdep_free(device->device_data);
return 0;
}
@@ -426,9 +430,9 @@ static int snd_hwdep_dev_register(struct snd_device *device)
list_add_tail(&hwdep->list, &snd_hwdep_devices);
err = snd_register_device(SNDRV_DEVICE_TYPE_HWDEP,
hwdep->card, hwdep->device,
- &snd_hwdep_f_ops, hwdep, &hwdep->dev);
+ &snd_hwdep_f_ops, hwdep, hwdep->dev);
if (err < 0) {
- dev_err(&hwdep->dev, "unable to register\n");
+ dev_err(hwdep->dev, "unable to register\n");
list_del(&hwdep->list);
mutex_unlock(®ister_mutex);
return err;
@@ -439,12 +443,12 @@ static int snd_hwdep_dev_register(struct snd_device *device)
if (hwdep->oss_type >= 0) {
if (hwdep->oss_type == SNDRV_OSS_DEVICE_TYPE_DMFM &&
hwdep->device)
- dev_warn(&hwdep->dev,
+ dev_warn(hwdep->dev,
"only hwdep device 0 can be registered as OSS direct FM device!\n");
else if (snd_register_oss_device(hwdep->oss_type,
card, hwdep->device,
&snd_hwdep_f_ops, hwdep) < 0)
- dev_warn(&hwdep->dev,
+ dev_warn(hwdep->dev,
"unable to register OSS compatibility device\n");
else
hwdep->ossreg = 1;
@@ -471,7 +475,7 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device)
if (hwdep->ossreg)
snd_unregister_oss_device(hwdep->oss_type, hwdep->card, hwdep->device);
#endif
- snd_unregister_device(&hwdep->dev);
+ snd_unregister_device(hwdep->dev);
list_del_init(&hwdep->list);
mutex_unlock(&hwdep->open_mutex);
mutex_unlock(®ister_mutex);
@@ -114,8 +114,8 @@ int snd_hda_create_hwdep(struct hda_codec *codec)
#endif
/* for sysfs */
- hwdep->dev.groups = snd_hda_dev_attr_groups;
- dev_set_drvdata(&hwdep->dev, codec);
+ hwdep->dev->groups = snd_hda_dev_attr_groups;
+ dev_set_drvdata(hwdep->dev, codec);
return 0;
}
Like control and PCM devices, it's better to avoid the embedded struct device for hwdep (although it's more or less well working), too. Change it to allocate via snd_device_alloc(), and free the memory at the common snd_hwdep_free(). Signed-off-by: Takashi Iwai <tiwai@suse.de> --- include/sound/hwdep.h | 2 +- sound/core/hwdep.c | 38 +++++++++++++++++++++----------------- sound/pci/hda/hda_hwdep.c | 4 ++-- 3 files changed, 24 insertions(+), 20 deletions(-)