Ticket #20453: 20453.diff

wp-admin/includes/class-wp-media-list-table.php

@@ -301 +301 @@
                 break;
 
         case 'parent':
-                if ( $post->post_parent > 0 && get_post( $post->post_parent ) ) {
+                if ( $post->post_parent > 0 )
+                        $parent = get_post( $post->post_parent );
+                else
+                        $parent = false;
+
+                if ( $parent ) {
                         $title = _draft_or_post_title( $post->post_parent );
+                        $parent_type = get_post_type_object( $parent->post_type ); 
 ?>
                         <td <?php echo $attributes ?>><strong>
-                                <?php if ( current_user_can( 'edit_post', $post->post_parent ) ) { ?>
+                                <?php if ( current_user_can( 'edit_post', $post->post_parent ) && $parent_type->show_ui ) { ?>
                                         <a href="<?php echo get_edit_post_link( $post->post_parent ); ?>">
                                                 <?php echo $title ?></a><?php
                                 } else {