Input: atkbd - 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/20240905041732.2034348-7-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 5855d4f..ec94fcf 100644 (file)
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -713,9 +713,9 @@ static int atkbd_event(struct input_dev *dev,
 
 static inline void atkbd_enable(struct atkbd *atkbd)
 {
-       serio_pause_rx(atkbd->ps2dev.serio);
+       guard(serio_pause_rx)(atkbd->ps2dev.serio);
+
        atkbd->enabled = true;
-       serio_continue_rx(atkbd->ps2dev.serio);
 }
 
 /*
@@ -725,9 +725,9 @@ static inline void atkbd_enable(struct atkbd *atkbd)
 
 static inline void atkbd_disable(struct atkbd *atkbd)
 {
-       serio_pause_rx(atkbd->ps2dev.serio);
+       guard(serio_pause_rx)(atkbd->ps2dev.serio);
+
        atkbd->enabled = false;
-       serio_continue_rx(atkbd->ps2dev.serio);
 }
 
 static int atkbd_activate(struct atkbd *atkbd)