From 35506601636340f67e713cf7ad012b61cd086a94 Mon Sep 17 00:00:00 2001
From: Krishnan Parthasarathi <krisis@users.noreply.github.com>
Date: Thu, 26 May 2016 00:41:26 +0530
Subject: [PATCH] Return error for empty parts in multipartupload complete
 (#1758)

---
 object-handlers.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/object-handlers.go b/object-handlers.go
index 9d60a56d1..b67fc2b2f 100644
--- a/object-handlers.go
+++ b/object-handlers.go
@@ -941,6 +941,10 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
 		writeErrorResponse(w, r, ErrMalformedXML, r.URL.Path)
 		return
 	}
+	if len(complMultipartUpload.Parts) == 0 {
+		writeErrorResponse(w, r, ErrMalformedXML, r.URL.Path)
+		return
+	}
 	if !sort.IsSorted(completedParts(complMultipartUpload.Parts)) {
 		writeErrorResponse(w, r, ErrInvalidPartOrder, r.URL.Path)
 		return