[PATCH 15/32] ALSA: ens137x: Use auto-cleanup for probe card error handling

[Takashi Iwai]

Instead of the manual call of snd_card_free_on_error(), use the
auto-cleanup feature.

Merely a code cleanup, and no functional changes.

Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
 sound/pci/ens1370.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/sound/pci/ens1370.c b/sound/pci/ens1370.c
index 0b9eb55a2121..7d8acffe3d8f 100644
--- a/sound/pci/ens1370.c
+++ b/sound/pci/ens1370.c
@@ -2267,11 +2267,11 @@ static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int __snd_audiopci_probe(struct pci_dev *pci,
-				const struct pci_device_id *pci_id)
+static int snd_audiopci_probe(struct pci_dev *pci,
+			      const struct pci_device_id *pci_id)
 {
 	static int dev;
-	struct snd_card *card;
+	struct snd_card *card __free(snd_card_unref) = NULL;
 	struct ensoniq *ensoniq;
 	int err;
 
@@ -2328,16 +2328,11 @@ static int __snd_audiopci_probe(struct pci_dev *pci,
 		return err;
 
 	pci_set_drvdata(pci, card);
+	card = NULL; /* probe succeeded, don't release as error */
 	dev++;
 	return 0;
 }
 
-static int snd_audiopci_probe(struct pci_dev *pci,
-			      const struct pci_device_id *pci_id)
-{
-	return snd_card_free_on_error(&pci->dev, __snd_audiopci_probe(pci, pci_id));
-}
-
 static struct pci_driver ens137x_driver = {
 	.name = KBUILD_MODNAME,
 	.id_table = snd_audiopci_ids,
-- 
2.55.0