f1u: address reviewers comments

Author: alvasMan

lib/du_manager/du_ue/du_bearer.cpp

@@ -92,7 +92,10 @@ void du_drb_connector::connect(du_ue_index_t                       ue_index,
 
 void du_drb_connector::disconnect()
 {
-  // Disconnect F1-U <-> RLC interface.
+  // Disconnect NR-U <-> F1-U GW interface
+  f1u_gateway_nru_rx_notif.disconnect();
+
+  // Disconnect NR-U <-> RLC interface.
   rlc_rx_sdu_notif.disconnect();
   rlc_tx_data_notif.disconnect();
   f1u_rx_sdu_notif.disconnect();

lib/du_manager/du_ue/du_ue_adapters.cpp

@@ -56,6 +56,11 @@ void f1c_rx_sdu_rlc_adapter::disconnect()
   connect(null_rlc_bearer);
 }
 
+void f1u_gateway_nru_rx_adapter::disconnect()
+{
+  connect(null_f1u_bearer);
+}
+
 void f1u_rx_rlc_sdu_adapter::disconnect()
 {
   connect(null_rlc_bearer);

lib/du_manager/du_ue/du_ue_adapters.h

@@ -84,7 +84,7 @@ class f1u_gateway_nru_rx_adapter final : public f1u_du_gateway_bearer_rx_notifie
   }
 
 private:
-  srs_du::f1u_rx_pdu_handler* nru_rx;
+  srs_du::f1u_rx_pdu_handler* nru_rx = nullptr;
 };
 
 // RLC

lib/f1u/local_connector/f1u_local_connector.cpp

@@ -70,7 +70,7 @@ void f1u_local_connector::disconnect_cu_bearer(const up_transport_layer_info& ul
     logger_cu.warning("Could not find UL GTP Tunnel={} at CU to remove.", ul_up_tnl_info);
     return;
   }
-  f1u_gateway_cu_bearer* cu_tun = cu_map.at(ul_up_tnl_info);
+  f1u_gateway_cu_bearer* cu_tun = bearer_it->second;
 
   // Disconnect UL path of DU first if we have a dl_teid for lookup
   if (cu_tun->dl_tnl_info.has_value()) {