Re: [PATCH 2/3] pinctrl: mcp23s08: Use common error handling code in mcp23s08_dbg_show()

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On Mon, Oct 30, 2017 at 4:47 PM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:

> +       if (t)
> +               goto report_failure;
>
>         for (t = 0, mask = BIT(0); t < chip->ngpio; t++, mask <<= 1) {
>                 const char *label;
> @@ -758,8 +753,13 @@ static void mcp23s08_dbg_show(struct seq_file *s, struct gpio_chip *chip)
>                 /* NOTE:  ignoring the irq-related registers */
>                 seq_puts(s, "\n");
>         }
> -done:
> +unlock:
>         mutex_unlock(&mcp->lock);
> +       return;
> +
> +report_failure:
> +       seq_puts(s, " I/O Error\n");
> +       goto unlock;
>  }

This is spaghetti coding. Not applied.
https://en.wikipedia.org/wiki/Spaghetti_code

Yours,
Linus Walleij
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