static void hidg_set_report_complete(struct usb_ep *ep, struct usb_request *req)
{
	struct f_hidg *hidg = (struct f_hidg *) req->context;
	struct usb_composite_dev *cdev = hidg->func.config->cdev;
	struct f_hidg_req_list *req_list;
	unsigned long flags;

	switch (req->status) {
	case 0:
		req_list = kzalloc(sizeof(*req_list), GFP_ATOMIC);
		if (!req_list) {
			ERROR(cdev, "Unable to allocate mem for req_list\n");
			goto free_req;
		}

		req_list->req = req;

		spin_lock_irqsave(&hidg->read_spinlock, flags);
		list_add_tail(&req_list->list, &hidg->completed_out_req);
		spin_unlock_irqrestore(&hidg->read_spinlock, flags);

		wake_up(&hidg->read_queue);
		break;
	default:
		ERROR(cdev, "Set report failed %d\n", req->status);
		/* FALLTHROUGH */
	case -ECONNABORTED:		/* hardware forced ep reset */
	case -ECONNRESET:		/* request dequeued */
	case -ESHUTDOWN:		/* disconnect from host */
free_req:
		free_ep_req(ep, req);
		return;
	}
}
static void hidg_set_report_complete(struct usb_ep *ep, struct usb_request *req)
{
	struct f_hidg *hidg = (struct f_hidg *) req->context;
	struct usb_composite_dev *cdev = hidg->func.config->cdev;
	struct f_hidg_req_list *req_list;
	unsigned long flags;

	switch (req->status) {
	case 0:
		req_list = kzalloc(sizeof(*req_list), GFP_ATOMIC);
		if (!req_list) {
			ERROR(cdev, "Unable to allocate mem for req_list\n");
			goto free_req;
		}

		req_list->req = req;

		spin_lock_irqsave(&hidg->read_spinlock, flags);
		list_add_tail(&req_list->list, &hidg->completed_out_req);
		spin_unlock_irqrestore(&hidg->read_spinlock, flags);

		wake_up(&hidg->read_queue);
		break;
	default:
		ERROR(cdev, "Set report failed %d\n", req->status);
		 
	case -ECONNABORTED:		 
	case -ECONNRESET:		 
	case -ESHUTDOWN:		 
free_req:
		free_ep_req(ep, req);
		return;
	}
}