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/touchscreen/elo.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
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;
--
2.46.0.469.g59c65b2a67-goog
