433 			    size_t num_params,  in params_from_user()  argument
438 	for (n = 0; n < num_params; n++) {  in params_from_user()
494 			  size_t num_params, struct tee_param *params)  in params_to_user()  argument
498 	for (n = 0; n < num_params; n++) {  in params_to_user()
559 	if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len)  in tee_ioctl_open_session()
562 	if (arg.num_params) {  in tee_ioctl_open_session()
563 		params = kzalloc_objs(struct tee_param, arg.num_params);  in tee_ioctl_open_session()
567 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_open_session()
590 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_open_session()
601 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_open_session()
636 	if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len)  in tee_ioctl_invoke()
639 	if (arg.num_params) {  in tee_ioctl_invoke()
640 		params = kzalloc_objs(struct tee_param, arg.num_params);  in tee_ioctl_invoke()
644 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_invoke()
658 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_invoke()
662 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_invoke()
696 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_object_invoke()
699 	if (arg.num_params) {  in tee_ioctl_object_invoke()
700 		params = kzalloc_objs(struct tee_param, arg.num_params);  in tee_ioctl_object_invoke()
704 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_object_invoke()
717 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_object_invoke()
721 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_object_invoke()
762 			  size_t num_params, struct tee_param *params)  in params_to_supp()  argument
766 	for (n = 0; n < num_params; n++) {  in params_to_supp()
824 	u32 num_params;  in tee_ioctl_supp_recv()  local
838 	if (get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_recv()
841 	if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) != buf.buf_len)  in tee_ioctl_supp_recv()
844 	params = kzalloc_objs(struct tee_param, num_params);  in tee_ioctl_supp_recv()
848 	rc = params_from_user(ctx, params, num_params, uarg->params);  in tee_ioctl_supp_recv()
852 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
857 	    put_user(num_params, &uarg->num_params)) {  in tee_ioctl_supp_recv()
862 	rc = params_to_supp(ctx, uarg->params, num_params, params);  in tee_ioctl_supp_recv()
868 static int params_from_supp(struct tee_param *params, size_t num_params,  in params_from_supp()  argument
873 	for (n = 0; n < num_params; n++) {  in params_from_supp()
936 	u32 num_params;  in tee_ioctl_supp_send()  local
952 	    get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_send()
955 	if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) > buf.buf_len)  in tee_ioctl_supp_send()
958 	params = kzalloc_objs(struct tee_param, num_params);  in tee_ioctl_supp_send()
962 	rc = params_from_supp(params, num_params, uarg->params);  in tee_ioctl_supp_send()
966 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()