From 2ae4b33d48db40bb0c222ac88df49e4b7c8e1493 Mon Sep 17 00:00:00 2001
From: Ayush Saxena <ayushsaxena@apache.org>
Date: Sat, 19 Oct 2019 11:05:54 +0530
Subject: [PATCH] HADOOP-16662. Remove unnecessary InnerNode check in
 NetworkTopology#add(). Contributed by Lisheng Sun.

---
 .../main/java/org/apache/hadoop/net/NetworkTopology.java    | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
index 9f608de515..724cec37ba 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
@@ -146,10 +146,8 @@ public void add(Node node) {
         if (rack == null) {
           incrementRacks();
         }
-        if (!(node instanceof InnerNode)) {
-          if (depthOfAllLeaves == -1) {
-            depthOfAllLeaves = node.getLevel();
-          }
+        if (depthOfAllLeaves == -1) {
+          depthOfAllLeaves = node.getLevel();
         }
       }
       LOG.debug("NetworkTopology became:\n{}", this);