+static bool device_allows_default(struct discover_device *dev)
+{
+ const char *dev_str;
+
+ dev_str = config_get()->boot_device;
+
+ if (!dev_str || !strlen(dev_str))
+ return true;
+
+ /* default devices are specified by UUIDs at present */
+ if (strcmp(dev->uuid, dev_str))
+ return false;
+
+ return true;
+}
+