widget in shortcode

function querypost_widget($atts) {
    extract(shortcode_atts(array(
        "align" => "",
    ), $atts));
    ob_start(); //start output buffering
    if (function_exists('dynamic_sidebar') && dynamic_sidebar('homepage-news-post')) : else : endif;
    $output = ob_get_contents();
    ob_end_clean();
return $output;
}

add_shortcode('qpwidget', 'querypost_widget');