Ticket #3197: 3197.diff

wp-includes/comment.php

@@ -173 +173 @@
         global $wpdb;
         extract($commentdata);
 
-        $comment_user_domain = apply_filters('pre_comment_user_domain', gethostbyaddr($comment_author_IP) );
-
         // Simple duplicate check
         $dupe = "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = '$comment_post_ID' AND ( comment_author = '$comment_author' ";
         if ( $comment_author_email )