Re: [PATCH 045/117] media: vdec: Convert to platform remove callback returning void

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On 26.03.2023 16:31, 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: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
>  drivers/media/platform/qcom/venus/vdec.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
> index 4ceaba37e2e5..d47c22015770 100644
> --- a/drivers/media/platform/qcom/venus/vdec.c
> +++ b/drivers/media/platform/qcom/venus/vdec.c
> @@ -1774,7 +1774,7 @@ static int vdec_probe(struct platform_device *pdev)
>  	return ret;
>  }
>  
> -static int vdec_remove(struct platform_device *pdev)
> +static void vdec_remove(struct platform_device *pdev)
>  {
>  	struct venus_core *core = dev_get_drvdata(pdev->dev.parent);
>  
> @@ -1783,8 +1783,6 @@ static int vdec_remove(struct platform_device *pdev)
>  
>  	if (core->pm_ops->vdec_put)
>  		core->pm_ops->vdec_put(core->dev_dec);
> -
> -	return 0;
>  }
>  
>  static __maybe_unused int vdec_runtime_suspend(struct device *dev)
> @@ -1825,7 +1823,7 @@ MODULE_DEVICE_TABLE(of, vdec_dt_match);
>  
>  static struct platform_driver qcom_venus_dec_driver = {
>  	.probe = vdec_probe,
> -	.remove = vdec_remove,
> +	.remove_new = vdec_remove,
>  	.driver = {
>  		.name = "qcom-venus-decoder",
>  		.of_match_table = vdec_dt_match,



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