Ticket #17568: 17568.return-early-from-comments-2.diff

wp-includes/post.php

@@ -55 +55 @@
                 'rewrite' => false,
                 'query_var' => false,
                 'show_in_nav_menus' => false,
+                'supports' => array( 'comments' ),
         ) );
 
         register_post_type( 'revision', array(

wp-content/themes/twentyeleven/comments.php

@@ -12 +12 @@
  * @since Twenty Eleven 1.0
  */
 ?>
+
+<?php 
+/* Return early if post_type does not support comments. */ 
+if ( ! post_type_supports( get_post_type(), 'comments' ) ) { 
+        return; 
+} 
+?>
+
         <div id="comments">
         <?php if ( post_password_required() ) : ?>
                 <p class="nopassword"><?php _e( 'This post is password protected. Enter the password to view any comments.', 'twentyeleven' ); ?></p>