From b657a8df5950a610aa369a35efae397e05c47b0f Mon Sep 17 00:00:00 2001
From: Stefano Avallone <stavallo@unina.it>
Date: Tue, 31 Jan 2023 21:42:17 +0100
Subject: [PATCH] wifi: Ack frames shall not be used to set the TXOP holder

---
 src/wifi/model/qos-frame-exchange-manager.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wifi/model/qos-frame-exchange-manager.cc b/src/wifi/model/qos-frame-exchange-manager.cc
index e23ad15ef..dbd2f4a9f 100644
--- a/src/wifi/model/qos-frame-exchange-manager.cc
+++ b/src/wifi/model/qos-frame-exchange-manager.cc
@@ -687,7 +687,7 @@ QosFrameExchangeManager::SetTxopHolder(Ptr<const WifiPsdu> psdu, const WifiTxVec
     {
         m_txopHolder = psdu->GetAddr2();
     }
-    else if (hdr.IsCts() || hdr.IsAck())
+    else if (hdr.IsCts())
     {
         m_txopHolder = psdu->GetAddr1();
     }