1 files changed, 4 insertions, 12 deletions

diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
index 0c68e924a1cc..cfc12332bee1 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -217,15 +217,13 @@ static int cma3000_open(struct input_dev *input_dev)
 {
 	struct cma3000_accl_data *data = input_get_drvdata(input_dev);
 
-	mutex_lock(&data->mutex);
+	guard(mutex)(&data->mutex);
 
 	if (!data->suspended)
 		cma3000_poweron(data);
 
 	data->opened = true;
 
-	mutex_unlock(&data->mutex);
-
 	return 0;
 }
 
@@ -233,40 +231,34 @@ static void cma3000_close(struct input_dev *input_dev)
 {
 	struct cma3000_accl_data *data = input_get_drvdata(input_dev);
 
-	mutex_lock(&data->mutex);
+	guard(mutex)(&data->mutex);
 
 	if (!data->suspended)
 		cma3000_poweroff(data);
 
 	data->opened = false;
-
-	mutex_unlock(&data->mutex);
 }
 
 void cma3000_suspend(struct cma3000_accl_data *data)
 {
-	mutex_lock(&data->mutex);
+	guard(mutex)(&data->mutex);
 
 	if (!data->suspended && data->opened)
 		cma3000_poweroff(data);
 
 	data->suspended = true;
-
-	mutex_unlock(&data->mutex);
 }
 EXPORT_SYMBOL(cma3000_suspend);
 
 
 void cma3000_resume(struct cma3000_accl_data *data)
 {
-	mutex_lock(&data->mutex);
+	guard(mutex)(&data->mutex);
 
 	if (data->suspended && data->opened)
 		cma3000_poweron(data);
 
 	data->suspended = false;
-
-	mutex_unlock(&data->mutex);
 }
 EXPORT_SYMBOL(cma3000_resume);