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> --- drivers/input/mouse/synaptics.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 380aa1614442..2735f86c23cc 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -650,9 +650,8 @@ static int synaptics_pt_start(struct serio *serio) struct psmouse *parent = psmouse_from_serio(serio->parent); struct synaptics_data *priv = parent->private; - serio_pause_rx(parent->ps2dev.serio); + guard(serio_pause_rx)(parent->ps2dev.serio); priv->pt_port = serio; - serio_continue_rx(parent->ps2dev.serio); return 0; } @@ -662,9 +661,8 @@ static void synaptics_pt_stop(struct serio *serio) struct psmouse *parent = psmouse_from_serio(serio->parent); struct synaptics_data *priv = parent->private; - serio_pause_rx(parent->ps2dev.serio); + guard(serio_pause_rx)(parent->ps2dev.serio); priv->pt_port = NULL; - serio_continue_rx(parent->ps2dev.serio); } static int synaptics_is_pt_packet(u8 *buf) -- 2.46.0.469.g59c65b2a67-goog
