[14/39] ALSA: es1938: Fix the missing snd_card_free() call at probe error

Commit Message

Takashi Iwai April 12, 2022, 10:26 a.m. UTC

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: 08e9d3ab4cc1 ("ALSA: es1938: Allocate resources with device-managed APIs")
Cc: <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>
---
 sound/pci/es1938.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

Patch

diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index 00b976f42a3d..e34ec6f89e7e 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -1716,8 +1716,8 @@  static int snd_es1938_mixer(struct es1938 *chip)
 }
        
 
-static int snd_es1938_probe(struct pci_dev *pci,
-			    const struct pci_device_id *pci_id)
+static int __snd_es1938_probe(struct pci_dev *pci,
+			      const struct pci_device_id *pci_id)
 {
 	static int dev;
 	struct snd_card *card;
@@ -1796,6 +1796,12 @@  static int snd_es1938_probe(struct pci_dev *pci,
 	return 0;
 }
 
+static int snd_es1938_probe(struct pci_dev *pci,
+			    const struct pci_device_id *pci_id)
+{
+	return snd_card_free_on_error(&pci->dev, __snd_es1938_probe(pci, pci_id));
+}
+
 static struct pci_driver es1938_driver = {
 	.name = KBUILD_MODNAME,
 	.id_table = snd_es1938_ids,