- PBP compliance via Perl::Critic

- Use bare return to return failure
- No code before strictures are enabled

Info/Airespace.pm

@@ -2,6 +2,7 @@
 # $Id$
 #
 # Copyright (c) 2008 Eric Miller
+# All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without 
 # modification, are permitted provided that the following conditions are met:
@@ -28,9 +29,8 @@
 # POSSIBILITY OF SUCH DAMAGE.
 
 package SNMP::Info::Airespace;
-$VERSION = '1.09';
-use strict;
 
+use strict;
 use Exporter;
 use SNMP::Info;
 
@@ -39,6 +39,8 @@ use SNMP::Info;
 
 use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE/;
 
+$VERSION = '1.09';
+
 %MIBS    = (
             %SNMP::Info::MIBS,
             'AIRESPACE-WIRELESS-MIB'     => 'bsnAPName',
@@ -151,7 +153,7 @@ sub layers {
 sub serial {
     my $airespace = shift;
     my $sn = $airespace->airespace_serial();
-    return undef unless defined $sn;
+    return unless defined $sn;
 
     return $sn;
 }