645 	struct ffs_io_data *io_data = container_of(work, struct ffs_io_data,  in ffs_user_copy_worker()  local
647 	int ret = io_data->req->status ? io_data->req->status :  in ffs_user_copy_worker()
648 					 io_data->req->actual;  in ffs_user_copy_worker()
649 	bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;  in ffs_user_copy_worker()
651 	if (io_data->read && ret > 0) {  in ffs_user_copy_worker()
652 		use_mm(io_data->mm);  in ffs_user_copy_worker()
653 		ret = copy_to_iter(io_data->buf, ret, &io_data->data);  in ffs_user_copy_worker()
654 		if (iov_iter_count(&io_data->data))  in ffs_user_copy_worker()
656 		unuse_mm(io_data->mm);  in ffs_user_copy_worker()
659 	io_data->kiocb->ki_complete(io_data->kiocb, ret, ret);  in ffs_user_copy_worker()
661 	if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)  in ffs_user_copy_worker()
662 		eventfd_signal(io_data->ffs->ffs_eventfd, 1);  in ffs_user_copy_worker()
664 	usb_ep_free_request(io_data->ep, io_data->req);  in ffs_user_copy_worker()
666 	if (io_data->read)  in ffs_user_copy_worker()
667 		kfree(io_data->to_free);  in ffs_user_copy_worker()
668 	kfree(io_data->buf);  in ffs_user_copy_worker()
669 	kfree(io_data);  in ffs_user_copy_worker()
675 	struct ffs_io_data *io_data = req->context;  in ffs_epfile_async_io_complete()  local
679 	INIT_WORK(&io_data->work, ffs_user_copy_worker);  in ffs_epfile_async_io_complete()
680 	schedule_work(&io_data->work);  in ffs_epfile_async_io_complete()
683 static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)  in ffs_epfile_io()  argument
713 	halt = (!io_data->read == !epfile->in);  in ffs_epfile_io()
734 		data_len = iov_iter_count(&io_data->data);  in ffs_epfile_io()
739 		if (io_data->read)  in ffs_epfile_io()
746 		if (!io_data->read) {  in ffs_epfile_io()
747 			copied = copy_from_iter(data, data_len, &io_data->data);  in ffs_epfile_io()
793 		if (io_data->aio) {  in ffs_epfile_io()
801 			io_data->buf = data;  in ffs_epfile_io()
802 			io_data->ep = ep->ep;  in ffs_epfile_io()
803 			io_data->req = req;  in ffs_epfile_io()
804 			io_data->ffs = epfile->ffs;  in ffs_epfile_io()
806 			req->context  = io_data;  in ffs_epfile_io()
846 				if (io_data->read && ret > 0) {  in ffs_epfile_io()
847 					ret = copy_to_iter(data, ret, &io_data->data);  in ffs_epfile_io()
885 	struct ffs_io_data *io_data = kiocb->private;  in ffs_aio_cancel()  local
893 	if (likely(io_data && io_data->ep && io_data->req))  in ffs_aio_cancel()
894 		value = usb_ep_dequeue(io_data->ep, io_data->req);  in ffs_aio_cancel()
905 	struct ffs_io_data io_data, *p = &io_data;  in ffs_epfile_write_iter()  local
911 		p = kmalloc(sizeof(io_data), GFP_KERNEL);  in ffs_epfile_write_iter()
941 	struct ffs_io_data io_data, *p = &io_data;  in ffs_epfile_read_iter()  local
947 		p = kmalloc(sizeof(io_data), GFP_KERNEL);  in ffs_epfile_read_iter()