From d6f4ab4fd1423910824ffee5365cba2dbbfcd081 Mon Sep 17 00:00:00 2001
From: zhudebin <zdb_hn@163.com>
Date: Mon, 23 May 2016 19:38:52 +0800
Subject: [PATCH] fix bug HADOOP-13192

---
 .../src/main/java/org/apache/hadoop/util/LineReader.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/LineReader.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/LineReader.java
index 153953d27360b..576f16e6492d4 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/LineReader.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/LineReader.java
@@ -318,7 +318,7 @@ private int readCustomLine(Text str, int maxLineLength, int maxBytesToConsume)
             break;
           }
         } else if (delPosn != 0) {
-          bufferPosn--;
+          bufferPosn -= delPosn;
           delPosn = 0;
         }
       }