Freeze static arguments for gsub

2 files changed, 3 insertions, 3 deletions

diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index a2e5452063..c492b7fb64 100644
--- a/actionpack/lib/action_controller/metal/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
@@ -118,7 +118,7 @@ module ActionController
       end
 
       def authentication_request(controller, realm)
-        controller.headers["WWW-Authenticate"] = %(Basic realm="#{realm.gsub('"', "")}")
+        controller.headers["WWW-Authenticate"] = %(Basic realm="#{realm.gsub('"'.freeze, "".freeze)}")
         controller.status = 401
         controller.response_body = "HTTP Basic: Access denied.\n"
       end
@@ -499,7 +499,7 @@ module ActionController
       #
       # Returns nothing.
       def authentication_request(controller, realm)
-        controller.headers["WWW-Authenticate"] = %(Token realm="#{realm.gsub('"', "")}")
+        controller.headers["WWW-Authenticate"] = %(Token realm="#{realm.gsub('"'.freeze, "".freeze)}")
         controller.__send__ :render, :text => "HTTP Token: Access denied.\n", :status => :unauthorized
       end
     end
diff --git a/actionpack/lib/action_controller/metal/live.rb b/actionpack/lib/action_controller/metal/live.rb
index 8fa06d43ff..58150cd9a9 100644
--- a/actionpack/lib/action_controller/metal/live.rb
+++ b/actionpack/lib/action_controller/metal/live.rb
@@ -102,7 +102,7 @@ module ActionController
             end
           end
 
-          message = json.gsub("\n", "\ndata: ")
+          message = json.gsub("\n".freeze, "\ndata: ".freeze)
           @stream.write "data: #{message}\n\n"
         end
     end