Hack to break infinite loop when UE is released during RRC inactivity timeout

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

openair2/RRC/LTE/rrc_eNB_S1AP.c

@@ -257,6 +257,7 @@ rrc_eNB_S1AP_get_ue_ids(
         }
 
         if (ue_desc_p != NULL) {
+          if (ue_desc_p->ue_initial_id != UE_INITIAL_ID_INVALID) {
             result = rrc_eNB_S1AP_get_ue_ids(rrc_instance_pP, ue_desc_p->ue_initial_id, eNB_ue_s1ap_id);
 
             if (result != NULL) {
@@ -273,7 +274,11 @@ rrc_eNB_S1AP_get_ue_ids(
               }
             }
           } else {
-          LOG_E(S1AP, "[eNB %ld] In hashtable_get, couldn't find in s1ap_id2_s1ap_ids eNB_ue_s1ap_id %"PRIu32", even when looking at S1AP context\n",
+            LOG_E(S1AP, "[eNB %ld] S1AP context found but ue_initial_id is invalid (0)\n", rrc_instance_pP - RC.rrc[0]);
+            return NULL;
+          }
+        } else {
+          LOG_E(S1AP, "[eNB %ld] In hashtable_get, couldn't find in s1ap_id2_s1ap_ids eNB_ue_s1ap_id %"PRIu32", because ue_initial_id is invalid in S1AP context\n",
                 rrc_instance_pP - RC.rrc[0],
                 eNB_ue_s1ap_id);
           return NULL;