From 904d05d4c4a5520a905a15fba9d8d4d9cd6f8863 Mon Sep 17 00:00:00 2001
From: faluco <borja.ferrer@softwareradiosystems.com>
Date: Wed, 20 Oct 2021 17:42:11 +0200
Subject: [PATCH] Fix data race in bsr_proc::print_state(). While there, early
 exit if the log info channel is disabled to avoid formatting a string that
 will not be used.

---
 srsue/src/stack/mac/proc_bsr.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/srsue/src/stack/mac/proc_bsr.cc b/srsue/src/stack/mac/proc_bsr.cc
index 4ac7a688b..6ebef5427 100644
--- a/srsue/src/stack/mac/proc_bsr.cc
+++ b/srsue/src/stack/mac/proc_bsr.cc
@@ -41,6 +41,12 @@ void bsr_proc::init(sr_proc* sr_, rlc_interface_mac* rlc_, srsran::ext_task_sche
 
 void bsr_proc::print_state()
 {
+  if (!logger.info.enabled()) {
+    return;
+  }
+
+  std::lock_guard<std::mutex> lock(mutex);
+
   char str[128];
   str[0] = '\0';
   int n  = 0;