mutex_lock(&desc->lock);
if (!desc->count++) {
+ desc->werr = 0;
+ desc->rerr = 0;
rv = usb_submit_urb(desc->validity, GFP_KERNEL);
if (rv < 0) {
desc->count--;
if (!ep || !usb_endpoint_is_int_in(ep))
goto err;
- desc->wMaxPacketSize = le16_to_cpu(ep->wMaxPacketSize);
+ desc->wMaxPacketSize = usb_endpoint_maxp(ep);
desc->bMaxPacketSize0 = udev->descriptor.bMaxPacketSize0;
desc->orq = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL);
struct wdm_device *desc = usb_get_intfdata(intf);
mutex_lock(&desc->lock);
+ kill_urbs(desc);
+
+ /*
+ * we notify everybody using poll of
+ * an exceptional situation
+ * must be done before recovery lest a spontaneous
+ * message from the device is lost
+ */
+ spin_lock_irq(&desc->iuspin);
+ desc->rerr = -EINTR;
+ spin_unlock_irq(&desc->iuspin);
+ wake_up_all(&desc->wait);
return 0;
}