diff mbox series

ASoC: fsl: Add missing error handling in pcm030_fabric_probe

Message ID 20220126113307.1673-1-linmq006@gmail.com (mailing list archive)
State Superseded
Headers show
Series ASoC: fsl: Add missing error handling in pcm030_fabric_probe | expand

Commit Message

Miaoqian Lin Jan. 26, 2022, 11:33 a.m. UTC
Add the missing platform_device_put() and platform_device_del()
before return from pcm030_fabric_probe in the error handling case.

Fixes: c912fa913446 ("ASoC: fsl: register the wm9712-codec")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 sound/soc/fsl/pcm030-audio-fabric.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

Comments

Mark Brown Jan. 26, 2022, 12:58 p.m. UTC | #1
On Wed, Jan 26, 2022 at 11:33:04AM +0000, Miaoqian Lin wrote:
> Add the missing platform_device_put() and platform_device_del()
> before return from pcm030_fabric_probe in the error handling case.

>  	ret = platform_device_add(pdata->codec_device);
> -	if (ret)
> +	if (ret) {
>  		dev_err(&op->dev, "platform_device_add() failed: %d\n", ret);
> +		goto exit_device_put;
> +	}
>  
>  	ret = snd_soc_register_card(card);
>  	if (ret)
>  		dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret);
>  
>  	platform_set_drvdata(op, pdata);
> +	return ret;

This means we'll skip the cleanup of the platform device that you just
added if card creation fails:

> +exit_release_dev:
> +	platform_device_del(pdata->codec_device);
> +exit_device_put:
> +	platform_device_put(pdata->codec_device);
>  	return ret;

It needs to return early only if the card registration failed.
diff mbox series

Patch

diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c
index af3c3b90c0ac..02c4ae20c673 100644
--- a/sound/soc/fsl/pcm030-audio-fabric.c
+++ b/sound/soc/fsl/pcm030-audio-fabric.c
@@ -93,15 +93,22 @@  static int pcm030_fabric_probe(struct platform_device *op)
 		dev_err(&op->dev, "platform_device_alloc() failed\n");
 
 	ret = platform_device_add(pdata->codec_device);
-	if (ret)
+	if (ret) {
 		dev_err(&op->dev, "platform_device_add() failed: %d\n", ret);
+		goto exit_device_put;
+	}
 
 	ret = snd_soc_register_card(card);
 	if (ret)
 		dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret);
 
 	platform_set_drvdata(op, pdata);
+	return ret;
 
+exit_release_dev:
+	platform_device_del(pdata->codec_device);
+exit_device_put:
+	platform_device_put(pdata->codec_device);
 	return ret;
 }