linux-kernel - [PATCH 2/4] ASoc: kirkwood: simplify probe error

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Date:	Thu, 25 Jul 2013 11:13:57 +0200
From:	Jean-Francois Moine <moinejf@...e.fr>
To:	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Rob Herring <rob.herring@...xeda.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: [PATCH 2/4] ASoc: kirkwood: simplify probe error

The function kirkwood_i2s_dev_remove() may be used when probe fails.

Signed-off-by: Jean-Francois Moine <moinejf@...e.fr>
---
 sound/soc/kirkwood/kirkwood-i2s.c | 44 +++++++++++++++++++--------------------
 1 file changed, 21 insertions(+), 23 deletions(-)

diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 4c9dad3..d3e50af 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -455,6 +455,21 @@ static const struct snd_soc_component_driver kirkwood_i2s_component = {
 	.name		= DRV_NAME,
 };
 
+static int kirkwood_i2s_dev_remove(struct platform_device *pdev)
+{
+	struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
+
+	snd_soc_unregister_component(&pdev->dev);
+
+	if (!IS_ERR(priv->extclk)) {
+		clk_disable_unprepare(priv->extclk);
+		clk_put(priv->extclk);
+	}
+	clk_disable_unprepare(priv->clk);
+
+	return 0;
+}
+
 static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 {
 	struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data;
@@ -525,34 +540,17 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 
 	err = snd_soc_register_component(&pdev->dev, &kirkwood_i2s_component,
 					 soc_dai, 1);
-	if (!err)
-		return 0;
-	dev_err(&pdev->dev, "snd_soc_register_component failed\n");
-
-	if (!IS_ERR(priv->extclk)) {
-		clk_disable_unprepare(priv->extclk);
-		clk_put(priv->extclk);
+	if (err) {
+		dev_err(&pdev->dev, "snd_soc_register_component failed\n");
+		goto fail;
 	}
-	clk_disable_unprepare(priv->clk);
+	return 0;
 
+fail:
+	kirkwood_i2s_dev_remove(pdev);
 	return err;
 }
 
-static int kirkwood_i2s_dev_remove(struct platform_device *pdev)
-{
-	struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
-
-	snd_soc_unregister_component(&pdev->dev);
-
-	if (!IS_ERR(priv->extclk)) {
-		clk_disable_unprepare(priv->extclk);
-		clk_put(priv->extclk);
-	}
-	clk_disable_unprepare(priv->clk);
-
-	return 0;
-}
-
 static struct platform_driver kirkwood_i2s_driver = {
 	.probe  = kirkwood_i2s_dev_probe,
 	.remove = kirkwood_i2s_dev_remove,
-- 
1.8.3.2



-- 
Ken ar c'hentañ	|	      ** Breizh ha Linux atav! **
Jef		|		http://moinejf.free.fr/
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