814 	struct simple_transaction_argresp *ar = file->private_data;  in simple_transaction_set()  local
823 	ar->size = n;  in simple_transaction_set()
829 	struct simple_transaction_argresp *ar;  in simple_transaction_get()  local
835 	ar = (struct simple_transaction_argresp *)get_zeroed_page(GFP_KERNEL);  in simple_transaction_get()
836 	if (!ar)  in simple_transaction_get()
844 		free_page((unsigned long)ar);  in simple_transaction_get()
848 	file->private_data = ar;  in simple_transaction_get()
852 	if (copy_from_user(ar->data, buf, size))  in simple_transaction_get()
855 	return ar->data;  in simple_transaction_get()
861 	struct simple_transaction_argresp *ar = file->private_data;  in simple_transaction_read()  local
863 	if (!ar)  in simple_transaction_read()
865 	return simple_read_from_buffer(buf, size, pos, ar->data, ar->size);  in simple_transaction_read()