Index: src/hid_cfg.c
===================================================================
--- src/hid_cfg.c	(revision 1524)
+++ src/hid_cfg.c	(revision 1525)
@@ -93,7 +93,10 @@
 
 		lht_dom_list_append(psub, node);
 
-		cmc->cb(cmc->cb_ctx, path, name, (rel_level == 1), cmc->parent, node);
+		if (cmc->cb(cmc->cb_ctx, path, name, (rel_level == 1), cmc->parent, node) != 0) {
+			cmc->err = -1;
+			return NULL;
+		}
 	}
 	cmc->parent = node;
 	return node;