USB_COMP_EP0_OS_DESC_BUFSIZ
if (count + 24 >= USB_COMP_EP0_OS_DESC_BUFSIZ)
if (count + n >= USB_COMP_EP0_OS_DESC_BUFSIZ)
w_length = min_t(u16, w_length, USB_COMP_EP0_OS_DESC_BUFSIZ);
cdev->os_desc_req->buf = kmalloc(USB_COMP_EP0_OS_DESC_BUFSIZ,