On Wed, Jul 19, 2017 at 4:07 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> There is a harmless static checker warning here that unsigned values are
> always >= 0. The code looks like:
>
> if (peaq_ignore_events_counter && --peaq_ignore_events_counter >= 0)
>
> The first part of the condition ensures that we never wrap around so the
> code works as intended. I've tweaked it slightly to avoid the warning.
>
Pushed to testing, thanks.
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> v2: Andy Shevchenko's approach is cleaner
>
> diff --git a/drivers/platform/x86/peaq-wmi.c b/drivers/platform/x86/peaq-wmi.c
> index 77d1f90b0794..c68bd76954fd 100644
> --- a/drivers/platform/x86/peaq-wmi.c
> +++ b/drivers/platform/x86/peaq-wmi.c
> @@ -51,7 +51,7 @@ static void peaq_wmi_poll(struct input_polled_dev *dev)
> return;
> }
>
> - if (peaq_ignore_events_counter && --peaq_ignore_events_counter >= 0)
> + if (peaq_ignore_events_counter && peaq_ignore_events_counter--)
> return;
>
> if (obj.integer.value) {
--
With Best Regards,
Andy Shevchenko
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