From 84356bbeb0ce2ffd655819c0e722c518b9934931 Mon Sep 17 00:00:00 2001
From: skyguard1 <qhdxssm@qq.com>
Date: Thu, 6 May 2021 14:09:27 +0800
Subject: [PATCH] Add default block in MqttVersion (#11226)

Motivation:

Fix switch case fall through, add default block in MqttVersion

Modification:

Fix switch case fall through, add default block in MqttVersion

Result:

Code cleanup


Signed-off-by: xingrufei <xingrufei@sogou-inc.com>

Co-authored-by: xingrufei <xingrufei@sogou-inc.com>
---
 .../src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java b/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java
index 2f03909d50..fd70e1cb16 100644
--- a/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java
+++ b/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttVersion.java
@@ -59,6 +59,8 @@ public enum MqttVersion {
         case 5:
             mv = MQTT_5;
             break;
+        default:
+            break;
         }
         if (mv == null) {
             throw new MqttUnacceptableProtocolVersionException(protocolName + "is unknown protocol name");