From 91677a9dcb6bc508aa111f3be73d1d8540406d7c Mon Sep 17 00:00:00 2001
From: faluco <borja.ferrer@softwareradiosystems.com>
Date: Mon, 25 Oct 2021 13:17:21 +0200
Subject: [PATCH] Fix data race in sync::state, the stop() did not acquire the
 required lock.

---
 srsue/hdr/phy/scell/scell_sync.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/srsue/hdr/phy/scell/scell_sync.h b/srsue/hdr/phy/scell/scell_sync.h
index 59f677c86..0f80d0cb4 100644
--- a/srsue/hdr/phy/scell/scell_sync.h
+++ b/srsue/hdr/phy/scell/scell_sync.h
@@ -199,7 +199,11 @@ public:
   /**
    * Resets the class, goes back into IDLE mode
    */
-  void stop() { state = STATE_IDLE; }
+  void stop()
+  {
+    std::unique_lock<std::mutex> lock(mutex);
+    state = STATE_IDLE;
+  }
 
   /**
    * Runs internal FSM, performing Synchronization operations on the provided buffer. It expects data per subframe