diff
+ 	spin_lock(&io_data->lock);
+ 	if (!io_data->kiocb) {
+ 		spin_unlock(&io_data->lock);
+ 		pr_err("kiocb is no longer valid\n");
+ 		return;
+ 	}
6 	bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;
+ 	spin_unlock(&io_data->lock);
