From e7d783090d0394c879b1cc5cb71ad7f1347b8df6 Mon Sep 17 00:00:00 2001
From: liugd <liugd@si-tech.com.cn>
Date: Sat, 27 Apr 2019 14:51:18 +0800
Subject: [PATCH] There's no need to null test in conjunction with an
 instanceof test. null is not an instanceof anything, so a null check is
 redundant.

---
 .../java/org/apache/dubbo/remoting/transport/DecodeHandler.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/transport/DecodeHandler.java b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/transport/DecodeHandler.java
index 050dc78ad21..a342c4b757e 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/transport/DecodeHandler.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/transport/DecodeHandler.java
@@ -52,7 +52,7 @@ public void received(Channel channel, Object message) throws RemotingException {
     }
 
     private void decode(Object message) {
-        if (message != null && message instanceof Decodeable) {
+        if (message instanceof Decodeable) {
             try {
                 ((Decodeable) message).decode();
                 if (log.isDebugEnabled()) {