Re: [PATCH 12/18] remoteproc: qcom_q6v5_wcss: Convert to platform remove callback returning void

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On 04/05/2023 20:44, 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@xxxxxxxxxxxxxx>

Reviewed-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx>
> ---
>  drivers/remoteproc/qcom_q6v5_wcss.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
> index ba24d745b2d6..b437044aa126 100644
> --- a/drivers/remoteproc/qcom_q6v5_wcss.c
> +++ b/drivers/remoteproc/qcom_q6v5_wcss.c
> @@ -1074,7 +1074,7 @@ static int q6v5_wcss_probe(struct platform_device *pdev)
>  	return ret;
>  }
>  
> -static int q6v5_wcss_remove(struct platform_device *pdev)
> +static void q6v5_wcss_remove(struct platform_device *pdev)
>  {
>  	struct rproc *rproc = platform_get_drvdata(pdev);
>  	struct q6v5_wcss *wcss = rproc->priv;
> @@ -1082,8 +1082,6 @@ static int q6v5_wcss_remove(struct platform_device *pdev)
>  	qcom_q6v5_deinit(&wcss->q6v5);
>  	rproc_del(rproc);
>  	rproc_free(rproc);
> -
> -	return 0;
>  }
>  
>  static const struct wcss_data wcss_ipq8074_res_init = {
> @@ -1117,7 +1115,7 @@ MODULE_DEVICE_TABLE(of, q6v5_wcss_of_match);
>  
>  static struct platform_driver q6v5_wcss_driver = {
>  	.probe = q6v5_wcss_probe,
> -	.remove = q6v5_wcss_remove,
> +	.remove_new = q6v5_wcss_remove,
>  	.driver = {
>  		.name = "qcom-q6v5-wcss-pil",
>  		.of_match_table = q6v5_wcss_of_match,

-- 
Kind Regards,
Caleb (they/them)



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