ddos protection by cloudflare blocks extensions in opencart admin

/* 	This is an opencart issue, specifically with the annoying promotional advert
 	that pops up above the extensions when you load them up.

	To fix this: 
    
    1) Go to this file: admin/controller/extension/extension/promotion.php
    2) add this code:
   */
    
return '';

/*
	after this code:
*/

public function index() {
  
/*
	This will return nothing, instead of an advert... which is what you want
    
    The end result should look something like this:
*/
  
<?php
class ControllerExtensionExtensionPromotion extends Controller {
    public function index() {

	// return nothing, early, to avoid cloudflair issue!
	return '';
	
	$curl = curl_init();

	curl_setopt($curl, CURLOPT_URL, OPENCART_SERVER . 'index.php?route=api/promotion&type=' . substr($this->request->get['route'], strrpos($this->request->get['route'], '/') + 1));
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($curl, CURLOPT_HEADER, false);
	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
	curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 30);
	curl_setopt($curl, CURLOPT_TIMEOUT, 30);

	$response = curl_exec($curl);

	curl_close($curl);

	if ($response) {
	    return $response;
	} else {
	    return '';
	}
    }
}