WPUF Delete

/**
     * Delete a post
     *
     * Only post author and editors has the capability to delete a post
     */
    function delete_post() {
        global $userdata;

        $nonce = $_REQUEST['_wpnonce'];
        if ( !wp_verify_nonce( $nonce, 'wpuf_del' ) ) {
            die( "Security check" );
        }

        //check, if the requested user is the post author
        $maybe_delete = get_post( $_REQUEST['pid'] );

        if ( ($maybe_delete->post_author == $userdata->ID) || current_user_can( 'delete_others_pages' ) ) {
            wp_delete_post( $_REQUEST['pid'] );

            //redirect
            $redirect = add_query_arg( array('msg' => 'deleted'), get_permalink() );
            wp_redirect( $redirect );
        } else {
            echo '<div class="error">' . __( 'You are not the post author. Cheeting huh!', 'wpuf' ) . '</div>';
        }
    }