Re: [PATCH 09/18] remoteproc: qcom_q6v5_adsp: 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_adsp.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
> index d546ab9dc141..6777a3bd6226 100644
> --- a/drivers/remoteproc/qcom_q6v5_adsp.c
> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c
> @@ -763,7 +763,7 @@ static int adsp_probe(struct platform_device *pdev)
>  	return ret;
>  }
>  
> -static int adsp_remove(struct platform_device *pdev)
> +static void adsp_remove(struct platform_device *pdev)
>  {
>  	struct qcom_adsp *adsp = platform_get_drvdata(pdev);
>  
> @@ -775,8 +775,6 @@ static int adsp_remove(struct platform_device *pdev)
>  	qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
>  	qcom_rproc_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
>  	rproc_free(adsp->rproc);
> -
> -	return 0;
>  }
>  
>  static const struct adsp_pil_data adsp_resource_init = {
> @@ -859,7 +857,7 @@ MODULE_DEVICE_TABLE(of, adsp_of_match);
>  
>  static struct platform_driver adsp_pil_driver = {
>  	.probe = adsp_probe,
> -	.remove = adsp_remove,
> +	.remove_new = adsp_remove,
>  	.driver = {
>  		.name = "qcom_q6v5_adsp",
>  		.of_match_table = adsp_of_match,

-- 
Kind Regards,
Caleb (they/them)



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