357 			    size_t num_params,  in params_from_user()  argument
362 	for (n = 0; n < num_params; n++) {  in params_from_user()
436 			  size_t num_params, struct tee_param *params)  in params_to_user()  argument
440 	for (n = 0; n < num_params; n++) {  in params_to_user()
490 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_open_session()
493 	if (arg.num_params) {  in tee_ioctl_open_session()
494 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_open_session()
499 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_open_session()
522 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_open_session()
533 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_open_session()
568 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_invoke()
571 	if (arg.num_params) {  in tee_ioctl_invoke()
572 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_invoke()
577 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_invoke()
591 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_invoke()
595 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_invoke()
636 			  size_t num_params, struct tee_param *params)  in params_to_supp()  argument
640 	for (n = 0; n < num_params; n++) {  in params_to_supp()
685 	u32 num_params;  in tee_ioctl_supp_recv()  local
699 	if (get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_recv()
702 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)  in tee_ioctl_supp_recv()
705 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_recv()
709 	rc = params_from_user(ctx, params, num_params, uarg->params);  in tee_ioctl_supp_recv()
713 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
718 	    put_user(num_params, &uarg->num_params)) {  in tee_ioctl_supp_recv()
723 	rc = params_to_supp(ctx, uarg->params, num_params, params);  in tee_ioctl_supp_recv()
729 static int params_from_supp(struct tee_param *params, size_t num_params,  in params_from_supp()  argument
734 	for (n = 0; n < num_params; n++) {  in params_from_supp()
782 	u32 num_params;  in tee_ioctl_supp_send()  local
798 	    get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_send()
801 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)  in tee_ioctl_supp_send()
804 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_send()
808 	rc = params_from_supp(params, num_params, uarg->params);  in tee_ioctl_supp_send()
812 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()