Input: sunkbd - use guard notation when pausing serio port

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.

Link: https://lore.kernel.org/r/20240905041732.2034348-8-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c
index 72fb460..3299e19 100644 (file)
--- a/drivers/input/keyboard/sunkbd.c
+++ b/drivers/input/keyboard/sunkbd.c
@@ -241,9 +241,8 @@ static void sunkbd_reinit(struct work_struct *work)
 
 static void sunkbd_enable(struct sunkbd *sunkbd, bool enable)
 {
-       serio_pause_rx(sunkbd->serio);
-       sunkbd->enabled = enable;
-       serio_continue_rx(sunkbd->serio);
+       scoped_guard(serio_pause_rx, sunkbd->serio)
+               sunkbd->enabled = enable;
 
        if (!enable) {
                wake_up_interruptible(&sunkbd->wait);