Re: [PATCH 1/4] ASoC: mediatek: fix error handling in mt2701_afe_pcm_dev_probe()

From: Ryder Lee
Date: Thu Dec 28 2017 - 07:27:22 EST


Sorry, please ignore this series. I will send new ones later.

On Mon, 2017-12-25 at 16:28 +0800, Ryder Lee wrote:
> Fix unbalanced error handling path which will get incorrect counts
> if probe failed. The .remove() should be adjusted accordingly.
>
> Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
> ---
> sound/soc/mediatek/mt2701/mt2701-afe-pcm.c | 23 ++++++++++-------------
> 1 file changed, 10 insertions(+), 13 deletions(-)
>
> diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
> index 8fda182..b3f6f73 100644
> --- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
> +++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
> @@ -1591,8 +1591,12 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
>
> platform_set_drvdata(pdev, afe);
> pm_runtime_enable(&pdev->dev);
> - if (!pm_runtime_enabled(&pdev->dev))
> - goto err_pm_disable;
> + if (!pm_runtime_enabled(&pdev->dev)) {
> + ret = mt2701_afe_runtime_resume(&pdev->dev);
> + if (ret)
> + goto err_pm_disable;
> + }
> +
> pm_runtime_get_sync(&pdev->dev);
>
> ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform);
> @@ -1610,16 +1614,12 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
> goto err_dai_component;
> }
>
> - mt2701_afe_runtime_resume(&pdev->dev);
> -
> return 0;
>
> err_dai_component:
> - snd_soc_unregister_component(&pdev->dev);
> -
> -err_platform:
> snd_soc_unregister_platform(&pdev->dev);
> -
> +err_platform:
> + pm_runtime_put_sync(&pdev->dev);
> err_pm_disable:
> pm_runtime_disable(&pdev->dev);
>
> @@ -1628,17 +1628,14 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
>
> static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
> {
> - struct mtk_base_afe *afe = platform_get_drvdata(pdev);
> -
> + pm_runtime_put_sync(&pdev->dev);
> pm_runtime_disable(&pdev->dev);
> if (!pm_runtime_status_suspended(&pdev->dev))
> mt2701_afe_runtime_suspend(&pdev->dev);
> - pm_runtime_put_sync(&pdev->dev);
>
> snd_soc_unregister_component(&pdev->dev);
> snd_soc_unregister_platform(&pdev->dev);
> - /* disable afe clock */
> - mt2701_afe_disable_clock(afe);
> +
> return 0;
> }
>