usb/class/usb_hub.c

64     req.wLength = 0;
123     req.wLength = 0;
170     req.wLength = 0;
205     req.wLength = len;
247     req.wLength = 4;
293     req.wLength = 4;
343     req.wLength = 0;
373     req.wLength = desc_length;
402     req.wLength = 0;
456     req.wLength = 0;
479  * f wLength is larger than the actual length of this request, then only the
480  * actual length is returned. If wLength is less than the actual length of this
481  * request, then only the first wLength bytes of this request are returned;
496     req.wLength = max_length;
546     req.wLength = 0;