From 592fbb27b12bae98756f8f3f93f2c47e9a58249f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hubert=20Mi=C5=9B?= <hubert.mis@nordicsemi.no>
Date: Thu, 10 Aug 2017 17:53:47 +0200
Subject: [PATCH] [build] fix GCC7 warnings (#2090)

---
 src/core/coap/coap.cpp           | 3 +--
 src/core/thread/link_quality.cpp | 6 +++---
 src/core/thread/mle_router.cpp   | 2 +-
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/core/coap/coap.cpp b/src/core/coap/coap.cpp
index c7e0d3a1d..de1705682 100644
--- a/src/core/coap/coap.cpp
+++ b/src/core/coap/coap.cpp
@@ -616,8 +616,7 @@ void Coap::ProcessReceivedResponse(Header &aResponseHeader, Message &aMessage,
         // Send empty ACK if it is a CON message.
         SendAck(aResponseHeader, aMessageInfo);
 
-        // fall through
-        ;
+    // fall through
 
     case OT_COAP_TYPE_NON_CONFIRMABLE:
         // Separate response.
diff --git a/src/core/thread/link_quality.cpp b/src/core/thread/link_quality.cpp
index 5d5159882..5a6e914aa 100644
--- a/src/core/thread/link_quality.cpp
+++ b/src/core/thread/link_quality.cpp
@@ -243,17 +243,17 @@ uint8_t LinkQualityInfo::CalculateLinkQuality(uint8_t aLinkMargin, uint8_t aLast
     case 0:
         threshold1 += kHysteresisThreshold;
 
-    // Intentional fall-through to next case.
+    // fall-through
 
     case 1:
         threshold2 += kHysteresisThreshold;
 
-    // Intentional fall-through to next case.
+    // fall-through
 
     case 2:
         threshold3 += kHysteresisThreshold;
 
-    // Intentional fall-through to next case.
+    // fall-through
 
     default:
         break;
diff --git a/src/core/thread/mle_router.cpp b/src/core/thread/mle_router.cpp
index aefec19ae..12188b156 100644
--- a/src/core/thread/mle_router.cpp
+++ b/src/core/thread/mle_router.cpp
@@ -4588,7 +4588,7 @@ void MleRouter::RemoveChildren(void)
         case Neighbor::kStateValid:
             GetNetif().SetStateChangedFlags(OT_CHANGED_THREAD_CHILD_REMOVED);
 
-        // Fall-through to next case
+        // fall-through
 
         case Neighbor::kStateChildUpdateRequest:
         case Neighbor::kStateRestored: