On Thu, 05 Nov 2020, Joe Perches wrote:
> On Thu, 2020-11-05 at 23:26 -0800, Dmitry Torokhov wrote:
> > On Wed, Nov 04, 2020 at 04:24:17PM +0000, Lee Jones wrote:
> > > Fixes the following W=1 kernel build warning(s):
> > >
> > > drivers/input/mouse/synaptics.c: In function ‘synaptics_process_packet’:
> > > drivers/input/mouse/synaptics.c:1110:6: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
> []
> > > diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
> []
> > > @@ -1106,8 +1106,9 @@ static void synaptics_process_packet(struct psmouse *psmouse)
> > > num_fingers = hw.w + 2;
> > > break;
> > > case 2:
> > > - if (SYN_MODEL_PEN(info->model_id))
> > > + if (SYN_MODEL_PEN(info->model_id)) {
> > > ; /* Nothing, treat a pen as a single finger */
> > > + }
> >
> > This gives me:
> >
> > WARNING: braces {} are not necessary for single statement blocks
> >
> > from checkpatch.
>
> As the entire case 2 is effectively a noop, why not just comment it better
> and remove the if (SYN_MODEL_PEN(...)) test altogether.
Happy to do that if that's okay with Dmitry.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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