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

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commit 71b21f5f8970a87f034138454ebeff0608d24875 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Takashi Iwai
2022-04-12 12:26:15 +02:00
committed by Greg Kroah-Hartman
parent 547c9af67b
commit e87b8d0ba4
2 changed files with 16 additions and 4 deletions
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,