From ebdaee8fe3073df9b3b8ee2125ab2d35fd9b2877 Mon Sep 17 00:00:00 2001
From: petter <petter@d4fa192b-c00b-0410-8231-f00ffab90ce4>
Date: Thu, 26 Feb 2009 13:36:44 +0000
Subject: [PATCH] $delta_time should never be 0, but just in case...

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@3831 d4fa192b-c00b-0410-8231-f00ffab90ce4
---
 varnish-tools/webgui/Varnish/Statistics.pm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/varnish-tools/webgui/Varnish/Statistics.pm b/varnish-tools/webgui/Varnish/Statistics.pm
index 589fddb4..fc6cf78d 100644
--- a/varnish-tools/webgui/Varnish/Statistics.pm
+++ b/varnish-tools/webgui/Varnish/Statistics.pm
@@ -159,7 +159,12 @@ use Varnish::DB;
 						}
 					}
 					else {
-						$delta_value = ($value - $last_value) / $delta_time;
+						if ($delta_time > 0) {
+							$delta_value = ($value - $last_value) / $delta_time;
+						}
+						else {
+							$delta_value = undef;
+						}
 					}
 
 					$last_value = $value;
-- 
2.39.5