From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Sun, 18 Aug 2024 00:08:28 +0000 (-0700)
Subject: Input: bu21029_ts - use guard notation when acquiring mutex
X-Git-Tag: v7.1-rc1~44^2^2~61
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b29be7bae37086fa04ffc52d6f1d761e5be811a3;p=thirdparty%2Fkernel%2Fstable.git

Input: bu21029_ts - use guard notation when acquiring mutex

Guard notation simplifies code.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

diff --git a/drivers/input/touchscreen/bu21029_ts.c b/drivers/input/touchscreen/bu21029_ts.c
index 64f474e67312f..68d9cd55ceeb6 100644
--- a/drivers/input/touchscreen/bu21029_ts.c
+++ b/drivers/input/touchscreen/bu21029_ts.c
@@ -416,10 +416,10 @@ static int bu21029_suspend(struct device *dev)
 	struct bu21029_ts_data *bu21029 = i2c_get_clientdata(i2c);
 
 	if (!device_may_wakeup(dev)) {
-		mutex_lock(&bu21029->in_dev->mutex);
+		guard(mutex)(&bu21029->in_dev->mutex);
+
 		if (input_device_enabled(bu21029->in_dev))
 			bu21029_stop_chip(bu21029->in_dev);
-		mutex_unlock(&bu21029->in_dev->mutex);
 	}
 
 	return 0;
@@ -431,10 +431,10 @@ static int bu21029_resume(struct device *dev)
 	struct bu21029_ts_data *bu21029 = i2c_get_clientdata(i2c);
 
 	if (!device_may_wakeup(dev)) {
-		mutex_lock(&bu21029->in_dev->mutex);
+		guard(mutex)(&bu21029->in_dev->mutex);
+
 		if (input_device_enabled(bu21029->in_dev))
 			bu21029_start_chip(bu21029->in_dev);
-		mutex_unlock(&bu21029->in_dev->mutex);
 	}
 
 	return 0;