spin_unlock_irqrestore(&list->hiddev->list_lock, flags);
if (!--list->hiddev->open) {
- if (list->hiddev->exist)
+ if (list->hiddev->exist) {
usbhid_close(list->hiddev->hid);
- else
+ usbhid_put_power(list->hiddev->hid);
+ } else {
kfree(list->hiddev);
+ }
}
kfree(list);
list_add_tail(&list->node, &hiddev_table[i]->list);
spin_unlock_irq(&list->hiddev->list_lock);
+ if (!list->hiddev->open++)
+ if (list->hiddev->exist) {
+ struct hid_device *hid = hiddev_table[i]->hid;
+ res = usbhid_get_power(hid);
+ if (res < 0) {
+ res = -EIO;
+ goto bail;
+ }
+ usbhid_open(hid);
+ }
+
return 0;
bail:
file->private_data = NULL;
hiddev->hid = hid;
hiddev->exist = 1;
+ /* when lock_kernel() usage is fixed in usb_open(),
+ * we could also fix it here */
+ lock_kernel();
retval = usb_register_dev(usbhid->intf, &hiddev_class);
if (retval) {
err_hid("Not able to get a minor for this device.");
hid->hiddev = NULL;
+ unlock_kernel();
kfree(hiddev);
return -1;
} else {
hid->minor = usbhid->intf->minor;
hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
}
+ unlock_kernel();
return 0;
}