case USB_REQ_GET_CONFIGURATION:
if (ctrl->bRequestType != USB_DIR_IN)
goto unknown;
- if (cdev->config)
+ if (cdev->config) {
*(u8 *)req->buf = cdev->config->bConfigurationValue;
- else
+ value = min(w_length, (u16) 1);
+ } else
*(u8 *)req->buf = 0;
- value = min(w_length, (u16) 1);
break;
/* function drivers must handle get/set altsetting; if there's
*/
if ((ctrl->bRequestType & USB_RECIP_MASK)
== USB_RECIP_INTERFACE) {
+ if (cdev->config == NULL)
+ return value;
+
f = cdev->config->interface[intf];
if (f && f->setup)
value = f->setup(f, ctrl);