* usb_unregister_notify - unregister a notifier callback
* @nb: pointer to the notifier block for the callback events.
*
- * usb_register_notifier() must have been previously called for this function
+ * usb_register_notify() must have been previously called for this function
* to work properly.
*/
void usb_unregister_notify(struct notifier_block *nb)
void usb_notify_remove_device(struct usb_device *udev)
{
+ /* Protect against simultaneous usbfs open */
+ mutex_lock(&usbfs_mutex);
blocking_notifier_call_chain(&usb_notifier_list,
USB_DEVICE_REMOVE, udev);
+ mutex_unlock(&usbfs_mutex);
}
void usb_notify_add_bus(struct usb_bus *ubus)