[PATCH 07/24] Input: sunkbd - use guard notation when pausing serio port
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: 2024-09-05 04:17:54
Also in:
linux-arm-kernel, linux-hyperv, linux-sunxi, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
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/keyboard/sunkbd.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/input/keyboard/sunkbd.c b/drivers/input/keyboard/sunkbd.c
index 72fb46029710..3299e1919b37 100644
--- 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);
--
2.46.0.469.g59c65b2a67-goog