From: Moritz Bunkus <m.bunkus@linet-services.de>
Date: Thu, 18 Aug 2016 12:08:57 +0000 (+0200)
Subject: Payment-Helfer: Rechnen mit undefinierten Werten vermeiden
X-Git-Tag: release-3.5.4~2125
X-Git-Url: http://wagnertech.de/git?a=commitdiff_plain;h=8d05386958d82c45b50062268bb549a08051486f;p=kivitendo-erp.git

Payment-Helfer: Rechnen mit undefinierten Werten vermeiden
---

diff --git a/SL/DB/Helper/Payment.pm b/SL/DB/Helper/Payment.pm
index b7bf38a12..64d6a639c 100644
--- a/SL/DB/Helper/Payment.pm
+++ b/SL/DB/Helper/Payment.pm
@@ -387,7 +387,7 @@ sub open_amount {
   # if the difference is 0.01 Cent this may end up as 0.009999999999998
   # numerically, so round this value when checking for cent threshold >= 0.01
 
-  return $self->amount - $self->paid;
+  return ($self->amount // 0) - ($self->paid // 0);
 };
 
 sub open_percent {