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ALSA: vx: Manage vx_core object with devres 

The firmware data are also released automatically.

Link: https://lore.kernel.org/r/20210715075941.23332-50-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-07-15 09:59:11 +02:00
parent 5adfd8c266
commit a033954140
3 changed files with 10 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
sound/drivers/vx/vx_core.c
View File

@ -774,6 +774,11 @@ int snd_vx_resume(struct vx_core *chip)
EXPORT_SYMBOL(snd_vx_resume);
#endif
static void snd_vx_release(struct device *dev, void *data)
{
snd_vx_free_firmware(data);
}
/**
* snd_vx_create - constructor for struct vx_core
* @card: card instance
@ -784,6 +789,8 @@ EXPORT_SYMBOL(snd_vx_resume);
* this function allocates the instance and prepare for the hardware
* initialization.
*
* The object is managed via devres, and will be automatically released.
*
* return the instance pointer if successful, NULL in error.
*/
struct vx_core *snd_vx_create(struct snd_card *card,
@ -796,8 +803,9 @@ struct vx_core *snd_vx_create(struct snd_card *card,
if (snd_BUG_ON(!card || !hw || !ops))
return NULL;
chip = kzalloc(sizeof(*chip) + extra_size, GFP_KERNEL);
if (! chip)
chip = devres_alloc(snd_vx_release, sizeof(*chip) + extra_size,
GFP_KERNEL);
if (!chip)
return NULL;
mutex_init(&chip->lock);
chip->irq = -1;

1
sound/pci/vx222/vx222.c
View File

@ -109,7 +109,6 @@ static int snd_vx222_free(struct vx_core *chip)
if (vx->port[0])
pci_release_regions(vx->pci);
pci_disable_device(vx->pci);
kfree(chip);
return 0;
}

22
sound/pcmcia/vx/vxpocket.c
View File

@ -50,19 +50,6 @@ static void vxpocket_release(struct pcmcia_device *link)
pcmcia_disable_device(link);
}
/*
* destructor, called from snd_card_free_when_closed()
*/
static int snd_vxpocket_dev_free(struct snd_device *device)
{
struct vx_core *chip = device->device_data;
snd_vx_free_firmware(chip);
kfree(chip);
return 0;
}
/*
* Hardware information
*/
@ -122,21 +109,12 @@ static int snd_vxpocket_new(struct snd_card *card, int ibl,
{
struct vx_core *chip;
struct snd_vxpocket *vxp;
static const struct snd_device_ops ops = {
.dev_free = snd_vxpocket_dev_free,
};
int err;
chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
if (!chip)
return -ENOMEM;
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
if (err < 0) {
kfree(chip);
return err;
}
chip->ibl.size = ibl;
vxp = to_vxpocket(chip);