diff mbox series

[09/24] Input: elo - use guard notation when pausing serio port

Message ID 20240905041732.2034348-10-dmitry.torokhov@gmail.com (mailing list archive)
State Mainlined
Commit c91ae81e028f9aa363a38ef46ec5a6ca11a10f10
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/touchscreen/elo.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c
index eb883db55420..ad209e6e82a6 100644
--- a/drivers/input/touchscreen/elo.c
+++ b/drivers/input/touchscreen/elo.c
@@ -225,10 +225,10 @@  static int elo_command_10(struct elo *elo, unsigned char *packet)
 
 	mutex_lock(&elo->cmd_mutex);
 
-	serio_pause_rx(elo->serio);
-	elo->expected_packet = toupper(packet[0]);
-	init_completion(&elo->cmd_done);
-	serio_continue_rx(elo->serio);
+	scoped_guard(serio_pause_rx, elo->serio) {
+		elo->expected_packet = toupper(packet[0]);
+		init_completion(&elo->cmd_done);
+	}
 
 	if (serio_write(elo->serio, ELO10_LEAD_BYTE))
 		goto out;