Re: [PATCH 03/24] Input: alps - use guard notation when pausing serio port

From: Pali Rohár
Date: Thu Sep 05 2024 - 11:46:35 EST


On Wednesday 04 September 2024 21:17:08 Dmitry Torokhov wrote:
> Using guard notation makes the code more compact and error handling
> more robust by ensuring that serio ports are resumed in all code paths
> when control leaves critical section.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

Looks good for me.
Acked-by: Pali Rohár <pali@xxxxxxxxxx>

> ---
> drivers/input/mouse/alps.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
> index 4e37fc3f1a9e..0728b5c08f02 100644
> --- a/drivers/input/mouse/alps.c
> +++ b/drivers/input/mouse/alps.c
> @@ -1585,7 +1585,7 @@ static void alps_flush_packet(struct timer_list *t)
> struct alps_data *priv = from_timer(priv, t, timer);
> struct psmouse *psmouse = priv->psmouse;
>
> - serio_pause_rx(psmouse->ps2dev.serio);
> + guard(serio_pause_rx)(psmouse->ps2dev.serio);
>
> if (psmouse->pktcnt == psmouse->pktsize) {
>
> @@ -1605,8 +1605,6 @@ static void alps_flush_packet(struct timer_list *t)
> }
> psmouse->pktcnt = 0;
> }
> -
> - serio_continue_rx(psmouse->ps2dev.serio);
> }
>
> static psmouse_ret_t alps_process_byte(struct psmouse *psmouse)
> --
> 2.46.0.469.g59c65b2a67-goog
>