RE: [PATCH 051/117] media: rcar_drif: Convert to platform remove callback returning void

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> 
> 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: Fabrizio Castro <fabrizio.castro.jz@xxxxxxxxxxx>


> ---
>  drivers/media/platform/renesas/rcar_drif.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/media/platform/renesas/rcar_drif.c
> b/drivers/media/platform/renesas/rcar_drif.c
> index 3fec41f6e964..3a92f4535c18 100644
> --- a/drivers/media/platform/renesas/rcar_drif.c
> +++ b/drivers/media/platform/renesas/rcar_drif.c
> @@ -1433,19 +1433,17 @@ static int rcar_drif_probe(struct
> platform_device *pdev)
>  }
> 
>  /* DRIF channel remove */
> -static int rcar_drif_remove(struct platform_device *pdev)
> +static void rcar_drif_remove(struct platform_device *pdev)
>  {
>  	struct rcar_drif *ch = platform_get_drvdata(pdev);
>  	struct rcar_drif_sdr *sdr = ch->sdr;
> 
>  	/* Channel 0 will be the SDR instance */
>  	if (ch->num)
> -		return 0;
> +		return;
> 
>  	/* SDR instance */
>  	rcar_drif_sdr_remove(sdr);
> -
> -	return 0;
>  }
> 
>  /* FIXME: Implement suspend/resume support */
> @@ -1476,7 +1474,7 @@ static struct platform_driver rcar_drif_driver =
> {
>  		.pm = &rcar_drif_pm_ops,
>  		},
>  	.probe = rcar_drif_probe,
> -	.remove = rcar_drif_remove,
> +	.remove_new = rcar_drif_remove,
>  };
> 
>  module_platform_driver(rcar_drif_driver);
> --
> 2.39.2





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