From 866bf3fb3aa2a93294b86973fb152cf6539b3864 Mon Sep 17 00:00:00 2001
From: Jonathan Hui <jonhui@nestlabs.com>
Date: Mon, 16 Jan 2017 20:19:10 -0800
Subject: [PATCH] Only send empty Data Frame if radio source match is disabled.
 (#1160)

---
 src/core/thread/mesh_forwarder.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/core/thread/mesh_forwarder.cpp b/src/core/thread/mesh_forwarder.cpp
index 8d88bca85..06a5263da 100644
--- a/src/core/thread/mesh_forwarder.cpp
+++ b/src/core/thread/mesh_forwarder.cpp
@@ -1923,7 +1923,10 @@ void MeshForwarder::HandleDataRequest(const Mac::Address &aMacSource, const Thre
     child->mLastHeard = Timer::GetNow();
     child->mLinkFailures = 0;
 
-    child->mDataRequest = true;
+    if (!mSrcMatchEnabled || child->mQueuedIndirectMessageCnt > 0)
+    {
+        child->mDataRequest = true;
+    }
 
     mScheduleTransmissionTask.Post();