From 2ff9c07c282238e0873b058fbbd5447e2805f719 Mon Sep 17 00:00:00 2001
From: Omar Kallel <omar.kallel@pivasoftware.com>
Date: Thu, 3 Dec 2020 15:17:35 +0100
Subject: [PATCH] GPA in case of empty parameter

---
 datamodel_interface.c     | 2 +-
 inc/datamodel_interface.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/datamodel_interface.c b/datamodel_interface.c
index 47d79e0..55bd8da 100644
--- a/datamodel_interface.c
+++ b/datamodel_interface.c
@@ -189,7 +189,7 @@ char* cwmp_get_parameter_names(char* object_name, bool next_level, json_object *
 char* cwmp_get_parameter_attributes(char* parameter_name, json_object **parameters)
 {
 	json_object *get_attributes_res = NULL;
-	int e = cwmp_ubus_call("usp.raw", "getm_attributes", CWMP_UBUS_ARGS{{"paths", {.array_value={{.str_value=parameter_name}}}, UBUS_Array_Str}}, 1, &get_attributes_res);
+	int e = cwmp_ubus_call("usp.raw", "getm_attributes", CWMP_UBUS_ARGS{{"paths", {.array_value={{.str_value=!parameter_name||parameter_name[0]=='\0'?DM_ROOT_OBJ:parameter_name}}}, UBUS_Array_Str}}, 1, &get_attributes_res);
 	if ( e < 0 || get_attributes_res == NULL)
 		return "9002";
 	json_object *fault_code = NULL;
diff --git a/inc/datamodel_interface.h b/inc/datamodel_interface.h
index cee9b0e..46f2877 100644
--- a/inc/datamodel_interface.h
+++ b/inc/datamodel_interface.h
@@ -6,6 +6,7 @@
 #include "ubus.h"
 #include "jshn.h"
 
+#define DM_ROOT_OBJ "Device."
 int cwmp_transaction_start();
 int cwmp_transaction_commit();
 int cwmp_transaction_abort();