From e66d68a92380723de7ed0d8b5639025c797302d3 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Tue, 16 Apr 2013 07:02:58 +0200
Subject: [PATCH] accept len=0 for http requests

---
 PVE/HTTPServer.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/HTTPServer.pm b/PVE/HTTPServer.pm
index c5cd6a3d..3dc8b725 100755
--- a/PVE/HTTPServer.pm
+++ b/PVE/HTTPServer.pm
@@ -724,7 +724,7 @@ sub unshift_read_header {
 
 		$reqstate->{log}->{userid} = $auth->{userid};
 
-		if (defined($len)) {
+		if ($len) {
 
 		    if (!($method eq 'PUT' || $method eq 'POST')) {
 			$self->error($reqstate, 501, "Unexpected content for method '$method'");