Re: [PATCH 140/173] ASoC: sunxi: sun4i-codec: Convert to platform remove callback returning void

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Dne sreda, 15. marec 2023 ob 16:07:12 CET je Uwe Kleine-König napisal(a):
> 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@xxxxxxxxxxxxxx>

Acked-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>

Best regards,
Jernej

> ---
>  sound/soc/sunxi/sun4i-codec.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
> index 835dc3404367..55328850aef5 100644
> --- a/sound/soc/sunxi/sun4i-codec.c
> +++ b/sound/soc/sunxi/sun4i-codec.c
> @@ -1821,7 +1821,7 @@ static int sun4i_codec_probe(struct platform_device
> *pdev) return ret;
>  }
> 
> -static int sun4i_codec_remove(struct platform_device *pdev)
> +static void sun4i_codec_remove(struct platform_device *pdev)
>  {
>  	struct snd_soc_card *card = platform_get_drvdata(pdev);
>  	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(card);
> @@ -1830,8 +1830,6 @@ static int sun4i_codec_remove(struct platform_device
> *pdev) if (scodec->rst)
>  		reset_control_assert(scodec->rst);
>  	clk_disable_unprepare(scodec->clk_apb);
> -
> -	return 0;
>  }
> 
>  static struct platform_driver sun4i_codec_driver = {
> @@ -1840,7 +1838,7 @@ static struct platform_driver sun4i_codec_driver = {
>  		.of_match_table = sun4i_codec_of_match,
>  	},
>  	.probe = sun4i_codec_probe,
> -	.remove = sun4i_codec_remove,
> +	.remove_new = sun4i_codec_remove,
>  };
>  module_platform_driver(sun4i_codec_driver);








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