From 63544d42f990fd48ee51b55bed70a9b66ed79920 Mon Sep 17 00:00:00 2001
From: Nikita Koksharov <nkoksharov@redisson.pro>
Date: Wed, 21 Apr 2021 10:23:16 +0300
Subject: [PATCH] refactoring

---
 .../src/main/java/org/redisson/jcache/JCacheEventCodec.java   | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/redisson/src/main/java/org/redisson/jcache/JCacheEventCodec.java b/redisson/src/main/java/org/redisson/jcache/JCacheEventCodec.java
index c2be73e70..bbf0b2a8e 100644
--- a/redisson/src/main/java/org/redisson/jcache/JCacheEventCodec.java
+++ b/redisson/src/main/java/org/redisson/jcache/JCacheEventCodec.java
@@ -47,15 +47,13 @@ public class JCacheEventCodec extends BaseEventCodec {
             result.add(value);
 
             if (expectOldValueInMsg) {
-                ByteBuf copy = buf.copy();
-                if (copy.readShortLE() != -1) {
+                if (buf.getShortLE(buf.readerIndex()) != -1) {
                     Object oldValue = JCacheEventCodec.this.decode(buf, state, codec.getMapValueDecoder());
                     result.add(oldValue);
                 } else {
                     buf.readShortLE();
                     result.add(null);
                 }
-                copy.release();
             }
             
             if (sync) {