corosync: config: write: die if we get a undefined value

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/data/PVE/Corosync.pm b/data/PVE/Corosync.pm
index 560a49813614bfb9d0f06eadd266ceb5c80687af..e46a1192475c248463d219ee44b2adae00d70068 100644 (file)
--- a/data/PVE/Corosync.pm
+++ b/data/PVE/Corosync.pm
@@ -101,6 +101,7 @@ $dump_section = sub {
                $raw .=  $prefix . "}\n";
            }
        } elsif (!ref($v)) {
+           die "got undefined value for key '$k'!\n" if !defined($v);
            $raw .= $prefix . "$k: $v\n";
        } else {
            die "unexpected reference in config hash: $k => ". ref($v) ."\n";