From 6ccb223c9c98a448bdb46acfddeb0b351d5b196a Mon Sep 17 00:00:00 2001
From: huhaiyang <huhaiyang926@126.com>
Date: Fri, 12 Apr 2024 19:53:25 +0800
Subject: [PATCH] HDFS-17461. Fix spotbugs in PeerCache#getInternal (#6721).
 Contributed by Haiyang Hu.

Reviewed-by: ZanderXu <zanderxu@apache.org>
Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>
Signed-off-by: He Xiaoqiao <hexiaoqiao@apache.org>
---
 .../src/main/java/org/apache/hadoop/hdfs/PeerCache.java       | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/PeerCache.java b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/PeerCache.java
index a26a518a83..41578d4d50 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/PeerCache.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/PeerCache.java
@@ -155,10 +155,6 @@ public Peer get(DatanodeID dnId, boolean isDomain) {
 
   private synchronized Peer getInternal(DatanodeID dnId, boolean isDomain) {
     List<Value> sockStreamList = multimap.get(new Key(dnId, isDomain));
-    if (sockStreamList == null) {
-      return null;
-    }
-
     Iterator<Value> iter = sockStreamList.iterator();
     while (iter.hasNext()) {
       Value candidate = iter.next();