Re: [PATCH 03/54] gpio: em: Be sure to clamp return value

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

On Tue, Dec 22, 2015 at 3:11 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> As we want gpio_chip .get() calls to be able to return negative
> error codes and propagate to drivers, we need to go over all
> drivers and make sure their return values are clamped to [0,1].
> We do this by using the ret = !!(val) design pattern.
>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: Magnus Damm <damm@xxxxxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

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

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