From 689f76e37a3958097b3e1d88561b9a8d19f1f41a Mon Sep 17 00:00:00 2001
From: Dylan William Hardison <dylan@hardison.net>
Date: Mon, 2 Feb 2015 07:57:22 -0500
Subject: [PATCH] Bug 1128245 - upgrading from v4.4.6 to v5.0rc2 fails on
 connection problem with MySQL

---
 Bugzilla/Config.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Bugzilla/Config.pm b/Bugzilla/Config.pm
index fdbedbdc04..1e22b52397 100644
--- a/Bugzilla/Config.pm
+++ b/Bugzilla/Config.pm
@@ -335,7 +335,9 @@ sub read_param_file {
             die "Error parsing $file: $error_msg";
         }
         # JSON::XS doesn't detaint data for us.
-        trick_taint($params{$_}) foreach keys %params;
+        foreach my $key (keys %params) {
+            trick_taint($params{$key}) if defined $params{$key};
+        }
     }
     elsif ($ENV{'SERVER_SOFTWARE'}) {
        # We're in a CGI, but the params file doesn't exist. We can't
-- 
2.47.2