[PATCH 111/173] ASoC: mediatek: mt8188-afe-pcm: Convert to platform remove callback returning void

[Trevor Wu (吳文良)]

On Wed, 2023-03-15 at 16:06 +0100, Uwe Kleine-König wrote:
> The .remove() callback for a platform driver returns an int which
> makes
> many driver authors wrongly assume it's possible to do error handling
> by
> returning an error code. However the value returned is (mostly)
> ignored
> and this typically results in resource leaks. To improve here there
> is a
> quest to make the remove callback return void. In the first step of
> this
> quest all drivers are converted to .remove_new() which already
> returns
> void.
> 
> Trivially convert this driver from always returning zero in the
> remove
> callback to the void returning variant.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> ---
>  sound/soc/mediatek/mt8188/mt8188-afe-pcm.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> index e8e84de86542..e5f9373bed56 100644
> --- a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> +++ b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> @@ -3323,11 +3323,9 @@ static int mt8188_afe_pcm_dev_probe(struct
> platform_device *pdev)
>  	return ret;
>  }
>  
> -static int mt8188_afe_pcm_dev_remove(struct platform_device *pdev)
> +static void mt8188_afe_pcm_dev_remove(struct platform_device *pdev)
>  {
>  	snd_soc_unregister_component(&pdev->dev);
> -
> -	return 0;
>  }
>  
>  static const struct of_device_id mt8188_afe_pcm_dt_match[] = {
> @@ -3348,7 +3346,7 @@ static struct platform_driver
> mt8188_afe_pcm_driver = {
>  		   .pm = &mt8188_afe_pm_ops,
>  	},
>  	.probe = mt8188_afe_pcm_dev_probe,
> -	.remove = mt8188_afe_pcm_dev_remove,
> +	.remove_new = mt8188_afe_pcm_dev_remove,
>  };
>  

Acked-by: Trevor Wu <trevor.wu at mediatek.com>
>  module_platform_driver(mt8188_afe_pcm_driver);