[alsa-devel] [PATCH] azx_probe() cleanup

Wu Fengguang wfg at linux.intel.com
Thu Nov 20 02:24:52 CET 2008


Replace 5 free-and-return-err blocks with goto-out-free ones.
This makes the main logic more outstanding.

Signed-off-by: Wu Fengguang <wfg at linux.intel.com>
---
 sound/pci/hda/hda_intel.c |   33 +++++++++++++--------------------
 1 file changed, 13 insertions(+), 20 deletions(-)

--- sound-2.6.orig/sound/pci/hda/hda_intel.c
+++ sound-2.6/sound/pci/hda/hda_intel.c
@@ -2317,40 +2317,30 @@ static int __devinit azx_probe(struct pc
 	}
 
 	err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto out_free;
 	card->private_data = chip;
 
 	/* create codec instances */
 	err = azx_codec_create(chip, model[dev], probe_mask[dev]);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto out_free;
 
 	/* create PCM streams */
 	err = snd_hda_build_pcms(chip->bus);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto out_free;
 
 	/* create mixer controls */
 	err = azx_mixer_create(chip);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto out_free;
 
 	snd_card_set_dev(card, &pci->dev);
 
 	err = snd_card_register(card);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto out_free;
 
 	pci_set_drvdata(pci, card);
 	chip->running = 1;
@@ -2359,6 +2349,9 @@ static int __devinit azx_probe(struct pc
 
 	dev++;
 	return err;
+out_free:
+	snd_card_free(card);
+	return err;
 }
 
 static void __devexit azx_remove(struct pci_dev *pci)


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