From ff42fa099181a7ff3871ee2bd844047b45880645 Mon Sep 17 00:00:00 2001
From: Andre Puschmann <andre@softwareradiosystems.com>
Date: Mon, 16 Apr 2018 13:37:42 +0200
Subject: [PATCH] stop time alignment timer before setting new one (if any)

this caused an issue where time-alignment timer was set in sib2
but then set to infinity for the UE during dedicated MAC configuration
---
 srsue/src/mac/mac.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/srsue/src/mac/mac.cc b/srsue/src/mac/mac.cc
index 14f895257..03b57bc8f 100644
--- a/srsue/src/mac/mac.cc
+++ b/srsue/src/mac/mac.cc
@@ -320,6 +320,11 @@ void mac::harq_recv(uint32_t tti, bool ack, mac_interface_phy::tb_action_ul_t* a
 
 void mac::setup_timers()
 {
+  // stop currently running time alignment timer
+  if (timers.get(timer_alignment)->is_running()) {
+    timers.get(timer_alignment)->stop();
+  }
+
   int value = liblte_rrc_time_alignment_timer_num[config.main.time_alignment_timer];
   if (value > 0) {
     timers.get(timer_alignment)->set(this, value);