Re: [PATCH] platform/x86: acer-wmi: refactor function has_cap

From: Andy Shevchenko
Date: Mon Aug 06 2018 - 16:16:35 EST


On Mon, Aug 6, 2018 at 11:00 PM, Gustavo A. R. Silva
<gustavo@xxxxxxxxxxxxxx> wrote:
> Refactor function has_cap in order to avoid returning integer
> values, when instead it should return booleans.
>
> This code was detected with the help of Coccinelle.
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
> ---
> drivers/platform/x86/acer-wmi.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
> index 8952173..ff1689d 100644
> --- a/drivers/platform/x86/acer-wmi.c
> +++ b/drivers/platform/x86/acer-wmi.c
> @@ -672,10 +672,7 @@ static void __init find_quirks(void)
>
> static bool has_cap(u32 cap)
> {
> - if ((interface->capability & cap) != 0)
> - return 1;
> -
> - return 0;
> + return (interface->capability & cap) != 0;
> }

Thanks, as Joe mentioned even != 0 part is not needed (followed by
unneeded parens), though I would let it be (one line is good enough to
me) if there will be no strong preferences.

--
With Best Regards,
Andy Shevchenko