Fixed uninitialized parameter use at rpl instance allocate.

Author: Juha Heiskanen

source/RPL/rpl_upward.c

@@ -1008,31 +1008,15 @@ rpl_instance_t *rpl_create_instance(rpl_domain_t *domain, uint8_t instance_id)
     if (!instance) {
         return NULL;
     }
+    memset(instance, 0, sizeof(rpl_instance_t));
     ns_list_init(&instance->dodags);
     ns_list_init(&instance->candidate_neighbours);
     ns_list_init(&instance->dao_targets);
     instance->dtsn = rpl_seq_init();
-    instance->srh_error_count = 0;
-    instance->poison_count = 0;
-    instance->repair_dis_timer = 0;
-    instance->repair_dis_count = 0;
     instance->last_dao_trigger_time = protocol_core_monotonic_time;
-    instance->root_paths_valid = false;
-    instance->root_topo_sort_valid = false;
     instance->dao_sequence = rpl_seq_init();
-    instance->dao_sequence_in_transit = 0;
-    instance->dao_in_transit = false;
-    instance->dao_retry_timer = 0;
-    instance->dao_attempt = 0;
-    instance->delay_dao_timer = 0;
-    instance->parent_selection_timer = 0;
-    instance->neighbours_changed = false;
-    instance->local_repair = false;
     instance->id = instance_id;
     instance->domain = domain;
-    instance->current_dodag_version = NULL;
-    instance->dio_not_consistent = false;
-    instance->of = NULL;
 
     ns_list_add_to_start(&domain->instances, instance);
     return instance;