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

commit 6ebc16e206aa82ddb0450c907865c55bcb7c0f43 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: 596ae97ab0ce ("ALSA: oxygen: Allocate resources with device-managed APIs")
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220412102636.16000-35-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c
index 4fb3f24..92ffe9d 100644 (file)
--- a/sound/pci/oxygen/oxygen_lib.c
+++ b/sound/pci/oxygen/oxygen_lib.c
@@ -576,7 +576,7 @@ static void oxygen_card_free(struct snd_card *card)
        mutex_destroy(&chip->mutex);
 }
 
-int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
+static int __oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
                     struct module *owner,
                     const struct pci_device_id *ids,
                     int (*get_model)(struct oxygen *chip,
@@ -701,6 +701,16 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
        pci_set_drvdata(pci, card);
        return 0;
 }
+
+int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
+                    struct module *owner,
+                    const struct pci_device_id *ids,
+                    int (*get_model)(struct oxygen *chip,
+                                     const struct pci_device_id *id))
+{
+       return snd_card_free_on_error(&pci->dev,
+                                     __oxygen_pci_probe(pci, index, id, owner, ids, get_model));
+}
 EXPORT_SYMBOL(oxygen_pci_probe);
 
 #ifdef CONFIG_PM_SLEEP