From acf4d44f7e41544201545ee23493b5a49e800024 Mon Sep 17 00:00:00 2001
From: tnextday <fw2k4@163.com>
Date: Tue, 8 Dec 2015 17:56:57 +0800
Subject: [PATCH] update

---
 go/storage/needle_read_write.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/go/storage/needle_read_write.go b/go/storage/needle_read_write.go
index eb7989884..adb5058be 100644
--- a/go/storage/needle_read_write.go
+++ b/go/storage/needle_read_write.go
@@ -248,6 +248,9 @@ func (n *Needle) ReadNeedleBody(r *os.File, version Version, offset int64, bodyL
 			return
 		}
 		n.readNeedleDataVersion2(bytes[0:n.Size])
+		if n.DataSize == 0 {
+			return
+		}
 		n.Checksum = NewCRC(n.Data)
 		checksum := util.BytesToUint32(bytes[n.Size : n.Size+NeedleChecksumSize])
 		if n.Checksum.Value() != checksum {