From e94fa5cbd87714d2914a03a41a4e6d0478943e14 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Thu, 31 Mar 2016 15:46:41 +0200
Subject: [PATCH] Fix #926: vzdump: config/default key regression

Add a missing defined() so that explicit `0` values in
/etc/vzdump.conf don't get replaced by their defaults.
---
 PVE/VZDump.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/VZDump.pm b/PVE/VZDump.pm
index 9ed0a173..d951e79a 100644
--- a/PVE/VZDump.pm
+++ b/PVE/VZDump.pm
@@ -351,7 +351,7 @@ sub read_vzdump_defaults {
     }
 
     foreach my $key (keys %$defaults) {
-	$res->{$key} = $defaults->{$key} if !$res->{$key};
+	$res->{$key} = $defaults->{$key} if !defined($res->{$key});
     }
 
     return $res;