fix bug 37: avoid warning about uninitialized value

3fefb104 · Dietmar Maurer · 333eda8e · 3fefb104
Commit 3fefb104 authored Nov 17, 2011 by Dietmar Maurer
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OpenVZ.pm PVE/OpenVZ.pm +1 -1

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--- a/PVE/OpenVZ.pm
+++ b/PVE/OpenVZ.pm
@@ -841,7 +841,7 @@ sub create_config_line {
    my $text;

    if (defined($data->{value})) {
-	if ($confdesc->{$key}->{type} eq 'boolean') {
+	if ($confdesc->{$key} && $confdesc->{$key}->{type} eq 'boolean') {
 	    my $txt = $data->{value} ? 'yes' : 'no';
 	    $text .= uc($key) . "=\"$txt\"\n";
 	} else {