From 350b83acb00cce49541ed81a817d49c2a555e3a7 Mon Sep 17 00:00:00 2001
From: wgtdkp <wgtdkp@google.com>
Date: Wed, 9 Oct 2019 23:49:47 +0800
Subject: [PATCH] [udp] suppress warning of unused parameter (#4228)

---
 src/core/net/udp6.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/net/udp6.cpp b/src/core/net/udp6.cpp
index d583f5ff6..c059e7f3b 100644
--- a/src/core/net/udp6.cpp
+++ b/src/core/net/udp6.cpp
@@ -54,6 +54,7 @@ static bool IsMle(Instance &aInstance, uint16_t aPort)
 #if OPENTHREAD_FTD
     return aPort == ot::Mle::kUdpPort || aPort == aInstance.Get<MeshCoP::JoinerRouter>().GetJoinerUdpPort();
 #else
+    OT_UNUSED_VARIABLE(aInstance);
     return aPort == ot::Mle::kUdpPort;
 #endif
 }