static int sirf_serdev_open()

in sirf.c [58:78]

• 17 lines of code
• 3 McCabe index (conditional complexity)

static int sirf_serdev_open(struct sirf_data *data)
{
	int ret = 0;

	mutex_lock(&data->serdev_mutex);
	if (++data->serdev_count == 1) {
		ret = serdev_device_open(data->serdev);
		if (ret) {
			data->serdev_count--;
			goto out_unlock;
		}

		serdev_device_set_baudrate(data->serdev, data->speed);
		serdev_device_set_flow_control(data->serdev, false);
	}

out_unlock:
	mutex_unlock(&data->serdev_mutex);

	return ret;
}