- ddev->uuid = udev_device_get_property_value(dev, "ID_FS_UUID");
- ddev->label = udev_device_get_property_value(dev, "ID_FS_LABEL");
+ prop = udev_device_get_property_value(dev, "ID_FS_UUID");
+ if (prop)
+ ddev->uuid = talloc_strdup(ddev, prop);
+ prop = udev_device_get_property_value(dev, "ID_FS_LABEL");
+ if (prop)
+ ddev->label = talloc_strdup(ddev, prop);