Free previously allocated JSON array only if element exists in TOML file

Signed-off-by: DL6ER <[email protected]>

src/config/toml_helper.c

@@ -730,13 +730,13 @@ void readTOMLvalue(struct conf_item *conf_item, const char* key, toml_table_t *t
 		}
 		case CONF_JSON_STRING_ARRAY:
 		{
-			// Free previously allocated JSON array
-			cJSON_Delete(conf_item->v.json);
-			conf_item->v.json = cJSON_CreateArray();
-			// Parse TOML array and generate a JSON array
 			const toml_array_t *array = toml_array_in(toml, key);
 			if(array != NULL)
 			{
+				// Free previously allocated JSON array if element exists
+				cJSON_Delete(conf_item->v.json);
+				conf_item->v.json = cJSON_CreateArray();
+
 				const unsigned int nelem = toml_array_nelem(array);
 				for(unsigned int i = 0; i < nelem; i++)
 				{