Re: [PATCH] media: rcar-csi2: Use common error handling code in rcsi2_parse_dt()

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Hi Markus,

On Fri, Mar 1, 2024 at 1:10 PM Markus Elfring <Markus.Elfring@xxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 1 Mar 2024 13:02:18 +0100
>
> Add a label so that a bit of exception handling can be better reused
> in an if branch of this function implementation.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/drivers/media/platform/renesas/rcar-csi2.c
> +++ b/drivers/media/platform/renesas/rcar-csi2.c
> @@ -1388,12 +1388,13 @@ static int rcsi2_parse_dt(struct rcar_csi2 *priv)
>         ret = v4l2_fwnode_endpoint_parse(ep, &v4l2_ep);
>         if (ret) {
>                 dev_err(priv->dev, "Could not parse v4l2 endpoint\n");
> -               fwnode_handle_put(ep);
> -               return -EINVAL;
> +               ret = -EINVAL;
> +               goto put_fwnode_ep;
>         }
>
>         ret = rcsi2_parse_v4l2(priv, &v4l2_ep);
>         if (ret) {
> +put_fwnode_ep:
>                 fwnode_handle_put(ep);
>                 return ret;
>         }

Please do not use goto to jump to random positions buried deep inside
a function,as this makes the code harder to read.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds





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