From e9829139c9bb689dd338548f5ec514757de81ccb Mon Sep 17 00:00:00 2001
From: Lu Wang <luwannest@users.noreply.github.com>
Date: Tue, 21 Jun 2016 02:05:04 +0800
Subject: [PATCH] Dequeue sender from the sender's queue (#181)

---
 src/core/mac/mac.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/mac/mac.cpp b/src/core/mac/mac.cpp
index f6236ce41..a7e1d88ec 100644
--- a/src/core/mac/mac.cpp
+++ b/src/core/mac/mac.cpp
@@ -669,6 +669,8 @@ void Mac::SentFrame(bool aAcked)
             mSendTail = NULL;
         }
 
+        sender->mNext = NULL;
+
         mDataSequence++;
         sender->HandleSentFrame(sendFrame);