356 			    size_t num_params,  in params_from_user()  argument
361 	for (n = 0; n < num_params; n++) {  in params_from_user()
435 			  size_t num_params, struct tee_param *params)  in params_to_user()  argument
439 	for (n = 0; n < num_params; n++) {  in params_to_user()
488 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_open_session()
491 	if (arg.num_params) {  in tee_ioctl_open_session()
492 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_open_session()
497 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_open_session()
520 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_open_session()
531 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_open_session()
566 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_invoke()
569 	if (arg.num_params) {  in tee_ioctl_invoke()
570 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_invoke()
575 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_invoke()
589 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_invoke()
593 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_invoke()
634 			  size_t num_params, struct tee_param *params)  in params_to_supp()  argument
638 	for (n = 0; n < num_params; n++) {  in params_to_supp()
683 	u32 num_params;  in tee_ioctl_supp_recv()  local
697 	if (get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_recv()
700 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)  in tee_ioctl_supp_recv()
703 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_recv()
707 	rc = params_from_user(ctx, params, num_params, uarg->params);  in tee_ioctl_supp_recv()
711 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
716 	    put_user(num_params, &uarg->num_params)) {  in tee_ioctl_supp_recv()
721 	rc = params_to_supp(ctx, uarg->params, num_params, params);  in tee_ioctl_supp_recv()
727 static int params_from_supp(struct tee_param *params, size_t num_params,  in params_from_supp()  argument
732 	for (n = 0; n < num_params; n++) {  in params_from_supp()
780 	u32 num_params;  in tee_ioctl_supp_send()  local
796 	    get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_send()
799 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)  in tee_ioctl_supp_send()
802 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_send()
806 	rc = params_from_supp(params, num_params, uarg->params);  in tee_ioctl_supp_send()
810 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()