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ALSA: intel8x0: Fix the missing snd_card_free() call at probe error

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The previous cleanup with devres may lead to the incorrect release
orders at the probe error handling due to the devres's nature.  Until
we register the card, snd_card_free() has to be called at first for
releasing the stuff properly when the driver tries to manage and
release the stuff via card->private_free().

This patch fixes it by calling snd_card_free() on the error from the
probe callback using a new helper function.

Fixes: 7835e0901e ("ALSA: intel8x0: Allocate resources with device-managed APIs")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220412102636.16000-19-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2022-04-12 12:26:15 +02:00
parent 4a850a0079
commit 71b21f5f89
2 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sound/pci/intel8x0.c
View File

@ -3109,8 +3109,8 @@ static int check_default_spdif_aclink(struct pci_dev *pci)
return 0;
}
static int snd_intel8x0_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
static int __snd_intel8x0_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
struct snd_card *card;
struct intel8x0 *chip;
@ -3189,6 +3189,12 @@ static int snd_intel8x0_probe(struct pci_dev *pci,
return 0;
}
static int snd_intel8x0_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
return snd_card_free_on_error(&pci->dev, __snd_intel8x0_probe(pci, pci_id));
}
static struct pci_driver intel8x0_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_intel8x0_ids,

10
sound/pci/intel8x0m.c
View File

@ -1178,8 +1178,8 @@ static struct shortname_table {
{ 0 },
};
static int snd_intel8x0m_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
static int __snd_intel8x0m_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
struct snd_card *card;
struct intel8x0m *chip;
@ -1225,6 +1225,12 @@ static int snd_intel8x0m_probe(struct pci_dev *pci,
return 0;
}
static int snd_intel8x0m_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
return snd_card_free_on_error(&pci->dev, __snd_intel8x0m_probe(pci, pci_id));
}
static struct pci_driver intel8x0m_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_intel8x0m_ids,