From dbd3a683f26cdecf71e8a950229c4beb7108b505 Mon Sep 17 00:00:00 2001
From: Stefano Avallone <stavallo@gmail.com>
Date: Fri, 10 May 2024 15:48:18 +0200
Subject: [PATCH] wifi: Do not peek packets if a container queue does not have
 a mask for a given link

If no mask exists for the given link, it means packets of that container
queue cannot be sent on that link.
---
 src/wifi/model/qos-txop.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/wifi/model/qos-txop.cc b/src/wifi/model/qos-txop.cc
index a734893d5..8d91e8156 100644
--- a/src/wifi/model/qos-txop.cc
+++ b/src/wifi/model/qos-txop.cc
@@ -394,7 +394,7 @@ QosTxop::PeekNextMpdu(uint8_t linkId, uint8_t tid, Mac48Address recipient, Ptr<c
         }
         WifiContainerQueueId queueId(WIFI_QOSDATA_QUEUE, WIFI_UNICAST, recipient, tid);
         if (auto mask = m_mac->GetMacQueueScheduler()->GetQueueLinkMask(m_ac, queueId, linkId);
-            !mask || mask->none())
+            mask && mask->none())
         {
             return m_queue->PeekByQueueId(queueId, mpdu);
         }