From 79c7513740e2f9af6853cb5690e92d068004ed8c Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@nestlabs.com>
Date: Mon, 9 Jan 2017 14:22:35 -0800
Subject: [PATCH] Remove redundant call to MessageQueue::GetHead(). (#1120)

---
 src/core/net/ip6.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/core/net/ip6.cpp b/src/core/net/ip6.cpp
index c7b9e501f..7dcc5eef0 100644
--- a/src/core/net/ip6.cpp
+++ b/src/core/net/ip6.cpp
@@ -442,9 +442,10 @@ void Ip6::HandleSendQueue(void *aContext)
 
 void Ip6::HandleSendQueue(void)
 {
-    while (mSendQueue.GetHead())
+    Message *message;
+
+    while ((message = mSendQueue.GetHead()) != NULL)
     {
-        Message *message = mSendQueue.GetHead();
         mSendQueue.Dequeue(*message);
         HandleDatagram(*message, NULL, message->GetInterfaceId(), NULL, false);
     }