lib/spf/model.rb in spf-0.0.17 vs lib/spf/model.rb in spf-0.0.18

@@ -431,10 +431,11 @@
       self.parse_ipv4_network(required)
       @ip_netblocks << @ip_network
     end
 
     def params
+      return nil unless @ip_network
       result = @ip_network.to_addr
       if @ip_network.pfxlen != @default_ipv4_prefix_length
         result += "/#{@ip_network.pfxlen}"
       end
       return result
@@ -458,9 +459,10 @@
       self.parse_ipv6_network(required)
       @ip_netblocks << @ip_network
     end
 
     def params
+      return nil unless @ip_network
       params =  @ip_network.to_addr
       params += '/' + @ip_network.pfxlen.to_s if
         @ip_network.pfxlen != self.default_ipv6_prefix_length
       return params
     end