Re: [PATCH 10/20] input: mouse: synaptics: Place braces around empty if() body

Dmitry Torokhov
2020-11-06T07:26:36Z

Hi Lee,

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]
>
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: Henrik Rydberg <rydberg@bitmath.org>
> Cc: Peter Osterlund <petero2@telia.com>
> Cc: Stefan Gmeiner <riddlebox@freesurf.ch>
> Cc: "C. Scott Ananian" <cananian@alumni.priceton.edu>
> Cc: Bruce Kalk <kall@compass.com>
> Cc: this to <linux-input@vger.kernel.org>
> Cc: linux-input@vger.kernel.org
> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> ---
> drivers/input/mouse/synaptics.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
> index 82577095e175e..07835939d83b9 100644
> --- 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.

Thanks.

--
Dmitry