static int sirf_open()

in sirf.c [88:123]

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

static int sirf_open(struct gnss_device *gdev)
{
	struct sirf_data *data = gnss_get_drvdata(gdev);
	struct serdev_device *serdev = data->serdev;
	int ret;

	mutex_lock(&data->gdev_mutex);
	data->open = true;
	mutex_unlock(&data->gdev_mutex);

	ret = sirf_serdev_open(data);
	if (ret) {
		mutex_lock(&data->gdev_mutex);
		data->open = false;
		mutex_unlock(&data->gdev_mutex);
		return ret;
	}

	ret = pm_runtime_get_sync(&serdev->dev);
	if (ret < 0) {
		dev_err(&gdev->dev, "failed to runtime resume: %d\n", ret);
		pm_runtime_put_noidle(&serdev->dev);
		goto err_close;
	}

	return 0;

err_close:
	sirf_serdev_close(data);

	mutex_lock(&data->gdev_mutex);
	data->open = false;
	mutex_unlock(&data->gdev_mutex);

	return ret;
}