diff mbox series

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

Message ID 20240905041732.2034348-4-dmitry.torokhov@gmail.com (mailing list archive)
State New
Headers show
Series Convert serio-related drivers to use new cleanup facilities | expand

Commit Message

Dmitry Torokhov Sept. 5, 2024, 4:17 a.m. UTC
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@gmail.com>
---
 drivers/input/mouse/alps.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Pali Rohár Sept. 5, 2024, 3:46 p.m. UTC | #1
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@gmail.com>

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

> ---
>  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
>
diff mbox series

Patch

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)