* extra usb_request ourselves so that it gets handled the same way as
* any other request.
*/
- if (ret == 0 && request->zero && (request->length % ep->maxpacket == 0))
+ if (ret == 0 && request->zero && request->length &&
+ (request->length % ep->maxpacket == 0))
ret = __dwc3_gadget_ep_queue_zlp(dwc, dep);
spin_unlock_irqrestore(&dwc->lock, flags);