lte,rrc,enb: stop rlf timers after the UE performs intra-eNB handover

The RLF timers may be triggered before handover, which will lead to the
UE getting released after it successfully handovers. To avoid this,
we should stop the timers.

srsenb/src/stack/rrc/rrc_mobility.cc

@@ -1142,6 +1142,13 @@ void rrc::ue::rrc_mobility::handle_crnti_ce(intraenb_ho_st& s, const user_crnti_
   s.last_temp_crnti      = ev.temp_crnti;
 
   if (is_first_crnti_ce) {
+    // Stop all running RLF timers
+    // Note: The RLF timer can be triggered during Handover because the UE did not RLC-ACK the Handover Command
+    //       Once the Handover is complete, to avoid releasing the UE, the RLF timer should stop.
+    rrc_ue->rlc_rlf_timer.stop();
+    rrc_ue->phy_dl_rlf_timer.stop();
+    rrc_ue->phy_ul_rlf_timer.stop();
+
     // Need to reset SNs of bearers.
     rrc_enb->rlc->reestablish(rrc_ue->rnti);
     rrc_enb->pdcp->reestablish(rrc_ue->rnti);