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From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
To: peter.ujfalusi@gmail.com, lgirdwood@gmail.com,
	broonie@kernel.org, perex@perex.cz, tiwai@suse.com
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
	Jiasheng Jiang <jiasheng@iscas.ac.cn>
Subject: [PATCH] ASoC: ti: davinci-i2s: Add check for clk_enable()
Date: Mon, 28 Feb 2022 11:15:40 +0800	[thread overview]
Message-ID: <20220228031540.3571959-1-jiasheng@iscas.ac.cn> (raw)

As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: 5f9a50c3e55e ("ASoC: Davinci: McBSP: add device tree support for McBSP")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
 sound/soc/ti/davinci-i2s.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/ti/davinci-i2s.c b/sound/soc/ti/davinci-i2s.c
index 6dca51862dd7..0363a088d2e0 100644
--- a/sound/soc/ti/davinci-i2s.c
+++ b/sound/soc/ti/davinci-i2s.c
@@ -708,7 +708,9 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 	dev->clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(dev->clk))
 		return -ENODEV;
-	clk_enable(dev->clk);
+	ret = clk_enable(dev->clk);
+	if (ret)
+		goto err_put_clk;
 
 	dev->dev = &pdev->dev;
 	dev_set_drvdata(&pdev->dev, dev);
@@ -730,6 +732,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 	snd_soc_unregister_component(&pdev->dev);
 err_release_clk:
 	clk_disable(dev->clk);
+err_put_clk:
 	clk_put(dev->clk);
 	return ret;
 }
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
To: peter.ujfalusi@gmail.com, lgirdwood@gmail.com,
	broonie@kernel.org, perex@perex.cz, tiwai@suse.com
Cc: alsa-devel@alsa-project.org,
	Jiasheng Jiang <jiasheng@iscas.ac.cn>,
	linux-kernel@vger.kernel.org
Subject: [PATCH] ASoC: ti: davinci-i2s: Add check for clk_enable()
Date: Mon, 28 Feb 2022 11:15:40 +0800	[thread overview]
Message-ID: <20220228031540.3571959-1-jiasheng@iscas.ac.cn> (raw)

As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: 5f9a50c3e55e ("ASoC: Davinci: McBSP: add device tree support for McBSP")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
 sound/soc/ti/davinci-i2s.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/ti/davinci-i2s.c b/sound/soc/ti/davinci-i2s.c
index 6dca51862dd7..0363a088d2e0 100644
--- a/sound/soc/ti/davinci-i2s.c
+++ b/sound/soc/ti/davinci-i2s.c
@@ -708,7 +708,9 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 	dev->clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(dev->clk))
 		return -ENODEV;
-	clk_enable(dev->clk);
+	ret = clk_enable(dev->clk);
+	if (ret)
+		goto err_put_clk;
 
 	dev->dev = &pdev->dev;
 	dev_set_drvdata(&pdev->dev, dev);
@@ -730,6 +732,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 	snd_soc_unregister_component(&pdev->dev);
 err_release_clk:
 	clk_disable(dev->clk);
+err_put_clk:
 	clk_put(dev->clk);
 	return ret;
 }
-- 
2.25.1


             reply	other threads:[~2022-02-28  3:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-28  3:15 Jiasheng Jiang [this message]
2022-02-28  3:15 ` [PATCH] ASoC: ti: davinci-i2s: Add check for clk_enable() Jiasheng Jiang
2022-02-28 12:24 ` Péter Ujfalusi
2022-02-28 19:15 ` Mark Brown

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