From 07cb60e3f9eb5b8ac07c5849a262fe2ffc57833b Mon Sep 17 00:00:00 2001
From: Andre Puschmann <andre@softwareradiosystems.com>
Date: Tue, 19 Apr 2022 12:29:39 +0200
Subject: [PATCH] gnb,mac: protect RACH counter

---
 srsgnb/src/stack/mac/mac_nr.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/srsgnb/src/stack/mac/mac_nr.cc b/srsgnb/src/stack/mac/mac_nr.cc
index 91674f814..8423e99eb 100644
--- a/srsgnb/src/stack/mac/mac_nr.cc
+++ b/srsgnb/src/stack/mac/mac_nr.cc
@@ -339,7 +339,10 @@ void mac_nr::rach_detected(const rach_info_t& rach_info)
     uint16_t rnti = alloc_ue(enb_cc_idx);
 
     // Log this event.
-    ++detected_rachs[enb_cc_idx];
+    {
+      srsran::rwlock_write_guard lock(rwmutex);
+      ++detected_rachs[enb_cc_idx];
+    }
 
     // Trigger scheduler RACH
     srsenb::sched_nr_interface::rar_info_t rar_info = {};