bugfix in rrc_eNB_s1AP.c. ue_context_p is used before checking if pointer is non-null.

openair2/RRC/LITE/rrc_eNB_S1AP.c

@@ -774,7 +774,7 @@ rrc_eNB_process_S1AP_DOWNLINK_NAS(
   ue_initial_id = S1AP_DOWNLINK_NAS (msg_p).ue_initial_id;
   eNB_ue_s1ap_id = S1AP_DOWNLINK_NAS (msg_p).eNB_ue_s1ap_id;
   ue_context_p = rrc_eNB_get_ue_context_from_s1ap_ids(instance, ue_initial_id, eNB_ue_s1ap_id);
-  srb_id = ue_context_p->ue_context.Srb2.Srb_info.Srb_id;
+
 
   LOG_I(RRC, "[eNB %d] Received %s: ue_initial_id %d, eNB_ue_s1ap_id %d\n",
         instance,
@@ -822,6 +822,9 @@ rrc_eNB_process_S1AP_DOWNLINK_NAS(
   } else {
     PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, ENB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0);
 
+    srb_id = ue_context_p->ue_context.Srb2.Srb_info.Srb_id;
+  
+
     /* Is it the first income from S1AP ? */
     if (ue_context_p->ue_context.eNB_ue_s1ap_id == 0) {
       ue_context_p->ue_context.eNB_ue_s1ap_id = S1AP_DOWNLINK_NAS (msg_p).eNB_ue_s1ap_id;