lib/device.rb in narou-1.5.6 vs lib/device.rb in narou-1.5.6.1

@@ -24,9 +24,10 @@
 
   attr_reader :name, :ebook_file_ext, :display_name
 
   DEVICES = {}.tap do |h|
     [File.dirname(__FILE__), Narou.get_root_dir].each do |dir|
+      next unless dir
       Dir.glob(File.join(dir, "device", "*.rb")).each do |path|
         eval(File.read(path, encoding: Encoding::UTF_8))
         name = File.basename(path, ".rb")
         h[name] = eval(name.capitalize)
       end