Re: [PATCH RESEND] HID: wacom: Remove comparison of u8 mode with zero and simplify.

From: Benjamin Tissoires
Date: Wed Jul 12 2017 - 03:39:32 EST


On Jul 08 2017 or thereabouts, Christos Gkekas wrote:
> Variable mode in method wacom_show_remote_mode() is defined as u8, thus
> statement (mode >= 0) is always true and should be removed, simplifying
> the logic.
>
> Signed-off-by: Christos Gkekas <chris.gekas@xxxxxxxxx>
> ---

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

> drivers/hid/wacom_sys.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
> index 838c1eb..ae2408d 100644
> --- a/drivers/hid/wacom_sys.c
> +++ b/drivers/hid/wacom_sys.c
> @@ -1671,10 +1671,7 @@ static ssize_t wacom_show_remote_mode(struct kobject *kobj,
> u8 mode;
>
> mode = wacom->led.groups[index].select;
> - if (mode >= 0 && mode < 3)
> - return snprintf(buf, PAGE_SIZE, "%d\n", mode);
> - else
> - return snprintf(buf, PAGE_SIZE, "%d\n", -1);
> + return sprintf(buf, "%d\n", mode < 3 ? mode : -1);
> }
>
> #define DEVICE_EKR_ATTR_GROUP(SET_ID) \
> --
> 2.7.4
>