Use return instaed of {} after labels. (#1443)

src/cli/cli_udp.cpp

@@ -93,7 +93,7 @@ void Udp::HandleUdpReceive(otMessage *aMessage, const otMessageInfo *aMessageInf
     mInterpreter->ProcessLine(buf, payloadLength, *this);
 
 exit:
-    {}
+    return;
 }
 
 int Udp::Output(const char *aBuf, uint16_t aBufLength)

src/core/coap/coap_server.cpp

@@ -191,7 +191,7 @@ void Server::ProcessReceivedMessage(Message &aMessage, const Ip6::MessageInfo &a
     }
 
 exit:
-    {}
+    return;
 }
 
 ThreadError Server::SetPort(uint16_t aPort)

src/core/mac/mac.cpp

@@ -760,7 +760,7 @@ void Mac::ProcessTransmitSecurity(Frame &aFrame)
     aesCcm.Finalize(aFrame.GetFooter(), &tagLength);
 
 exit:
-    {}
+    return;
 }
 
 void Mac::HandleBeginTransmit(void)
@@ -1106,7 +1106,7 @@ void Mac::SentFrame(ThreadError aError)
     }
 
 exit:
-    {}
+    return;
 }
 
 ThreadError Mac::ProcessReceiveSecurity(Frame &aFrame, const Address &aSrcAddr, Neighbor *aNeighbor)

src/core/mac/mac_blacklist.cpp

@@ -115,7 +115,7 @@ void Blacklist::Remove(const ExtAddress &address)
     memset(entry, 0, sizeof(*entry));
 
 exit:
-    {}
+    return;
 }
 
 Blacklist::Entry *Blacklist::Find(const ExtAddress &address)

src/core/mac/mac_whitelist.cpp

@@ -118,7 +118,7 @@ void Whitelist::Remove(const ExtAddress &address)
     memset(entry, 0, sizeof(*entry));
 
 exit:
-    {}
+    return;
 }
 
 Whitelist::Entry *Whitelist::Find(const ExtAddress &address)

src/core/meshcop/dataset_manager.cpp

@@ -1151,7 +1151,7 @@ void PendingDatasetBase::ApplyActiveDataset(const Timestamp &aTimestamp, Message
     ResetDelayTimer(kFlagNetworkUpdated);
 
 exit:
-    {}
+    return;
 }
 
 void PendingDatasetBase::HandleNetworkUpdate(uint8_t &aFlags)

src/core/net/dhcp6_client.cpp

@@ -219,7 +219,7 @@ void Dhcp6Client::AddIdentityAssociation(uint16_t aRloc16, otIp6Prefix &aIp6Pref
     }
 
 exit:
-    {}
+    return;
 }
 
 void Dhcp6Client::RemoveIdentityAssociation(uint16_t aRloc16, otIp6Prefix &aIp6Prefix)
@@ -260,7 +260,7 @@ void Dhcp6Client::RemoveIdentityAssociation(uint16_t aRloc16, otIp6Prefix &aIp6P
     }
 
 exit:
-    {}
+    return;
 }
 
 ThreadError Dhcp6Client::Start(void)
@@ -534,7 +534,7 @@ void Dhcp6Client::HandleUdpReceive(Message &aMessage, const Ip6::MessageInfo &aM
     }
 
 exit:
-    {}
+    return;
 }
 
 void Dhcp6Client::ProcessReply(Message &aMessage)

src/core/net/dhcp6_server.cpp

@@ -267,7 +267,7 @@ void Dhcp6Server::HandleUdpReceive(Message &aMessage, const Ip6::MessageInfo &aM
     ProcessSolicit(aMessage, dst, header.GetTransactionId());
 
 exit:
-    {}
+    return;
 }
 
 void Dhcp6Server::ProcessSolicit(Message &aMessage, otIp6Address &aDst, uint8_t *aTransactionId)
@@ -301,7 +301,7 @@ void Dhcp6Server::ProcessSolicit(Message &aMessage, otIp6Address &aDst, uint8_t
     SuccessOrExit(SendReply(aDst, aTransactionId, clientIdentifier, iana));
 
 exit:
-    {}
+    return;
 }
 
 uint16_t Dhcp6Server::FindOption(Message &aMessage, uint16_t aOffset, uint16_t aLength, Code aCode)

src/core/thread/address_resolver.cpp

@@ -486,7 +486,7 @@ void AddressResolver::HandleAddressError(Coap::Header &aHeader, Message &aMessag
     }
 
 exit:
-    {}
+    return;
 }
 
 void AddressResolver::HandleAddressQuery(void *aContext, otCoapHeader *aHeader, otMessage *aMessage,
@@ -553,7 +553,7 @@ void AddressResolver::HandleAddressQuery(Coap::Header &aHeader, Message &aMessag
     }
 
 exit:
-    {}
+    return;
 }
 
 void AddressResolver::SendAddressQueryResponse(const ThreadTargetTlv &aTargetTlv,

src/core/thread/mesh_forwarder.cpp

@@ -2193,7 +2193,7 @@ void MeshForwarder::HandleDataRequest(const Mac::Address &aMacSource, const Thre
     mScheduleTransmissionTask.Post();
 
 exit:
-    {}
+    return;
 }
 
 void MeshForwarder::HandleDataPollTimeout(void *aContext)

src/core/thread/mle.cpp

@@ -1250,7 +1250,7 @@ void Mle::HandleNetifStateChanged(uint32_t aFlags)
     }
 
 exit:
-    {}
+    return;
 }
 
 void Mle::HandleParentRequestTimer(void *aContext)
@@ -2209,7 +2209,7 @@ void Mle::HandleUdpReceive(Message &aMessage, const Ip6::MessageInfo &aMessageIn
     }
 
 exit:
-    {}
+    return;
 }
 
 ThreadError Mle::HandleAdvertisement(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo)

src/core/thread/mle_router.cpp

@@ -1863,7 +1863,7 @@ void MleRouter::HandleStateUpdateTimer(void)
     mStateUpdateTimer.Start(kStateUpdatePeriod);
 
 exit:
-    {}
+    return;
 }
 
 void MleRouter::HandleChildUpdateRequestTimer(void *aContext)
@@ -1893,7 +1893,7 @@ void MleRouter::HandleChildUpdateRequestTimer(void)
     }
 
 exit:
-    {}
+    return;
 }
 
 ThreadError MleRouter::SendParentResponse(Child *aChild, const ChallengeTlv &challenge, bool aRoutersOnlyRequest)
@@ -3847,7 +3847,7 @@ void MleRouter::HandleAddressSolicitResponse(Coap::Header *aHeader, Message *aMe
     }
 
 exit:
-    {}
+    return;
 }
 
 void MleRouter::HandleAddressSolicit(void *aContext, otCoapHeader *aHeader, otMessage *aMessage,
@@ -4053,7 +4053,7 @@ void MleRouter::HandleAddressRelease(Coap::Header &aHeader, Message &aMessage,
     otLogInfoMle(GetInstance(), "Sent address release response");
 
 exit:
-    {}
+    return;
 }
 
 void MleRouter::FillConnectivityTlv(ConnectivityTlv &aTlv)