Input: novatek-nvt-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/novatek-nvt-ts.c b/drivers/input/touchscreen/novatek-nvt-ts.c
index 3e6e2ee0ba8f303b1aaac56cb927b12c21a945a0..708bfb933ddd3e84f2c9a84fae8efed3ce9a7e3e 100644 (file)
--- a/drivers/input/touchscreen/novatek-nvt-ts.c
+++ b/drivers/input/touchscreen/novatek-nvt-ts.c
@@ -170,10 +170,10 @@ static int nvt_ts_suspend(struct device *dev)
 {
        struct nvt_ts_data *data = i2c_get_clientdata(to_i2c_client(dev));
 
-       mutex_lock(&data->input->mutex);
+       guard(mutex)(&data->input->mutex);
+
        if (input_device_enabled(data->input))
                nvt_ts_stop(data->input);
-       mutex_unlock(&data->input->mutex);
 
        return 0;
 }
@@ -182,10 +182,10 @@ static int nvt_ts_resume(struct device *dev)
 {
        struct nvt_ts_data *data = i2c_get_clientdata(to_i2c_client(dev));
 
-       mutex_lock(&data->input->mutex);
+       guard(mutex)(&data->input->mutex);
+
        if (input_device_enabled(data->input))
                nvt_ts_start(data->input);
-       mutex_unlock(&data->input->mutex);
 
        return 0;
 }