if no filters are supplied, default to an empty list

xuanxu · Oct 18, 2012 · 57d3817 · 57d3817
1 parent 210c841
commit 57d3817
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/actionpack/lib/action_dispatch/http/filter_parameters.rb b/actionpack/lib/action_dispatch/http/filter_parameters.rb
@@ -55,7 +55,7 @@ def env_filter
       end
 
       def parameter_filter_for(filters)
-        @@parameter_filter_for[filters] ||= ParameterFilter.new(filters)
+        @@parameter_filter_for[filters] ||= ParameterFilter.new(filters || [])
       end
 
       KV_RE   = '[^&;=]+'