204 			    size_t num_params,  in params_from_user()  argument
209 	for (n = 0; n < num_params; n++) {  in params_from_user()
270 			  size_t num_params, struct tee_param *params)  in params_to_user()  argument
274 	for (n = 0; n < num_params; n++) {  in params_to_user()
323 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_open_session()
326 	if (arg.num_params) {  in tee_ioctl_open_session()
327 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_open_session()
332 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_open_session()
348 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_open_session()
359 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_open_session()
394 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_invoke()
397 	if (arg.num_params) {  in tee_ioctl_invoke()
398 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_invoke()
403 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_invoke()
417 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_invoke()
421 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_invoke()
462 			  size_t num_params, struct tee_param *params)  in params_to_supp()  argument
466 	for (n = 0; n < num_params; n++) {  in params_to_supp()
511 	u32 num_params;  in tee_ioctl_supp_recv()  local
525 	if (get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_recv()
528 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)  in tee_ioctl_supp_recv()
531 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_recv()
535 	rc = params_from_user(ctx, params, num_params, uarg->params);  in tee_ioctl_supp_recv()
539 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
544 	    put_user(num_params, &uarg->num_params)) {  in tee_ioctl_supp_recv()
549 	rc = params_to_supp(ctx, uarg->params, num_params, params);  in tee_ioctl_supp_recv()
555 static int params_from_supp(struct tee_param *params, size_t num_params,  in params_from_supp()  argument
560 	for (n = 0; n < num_params; n++) {  in params_from_supp()
608 	u32 num_params;  in tee_ioctl_supp_send()  local
624 	    get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_send()
627 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)  in tee_ioctl_supp_send()
630 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_send()
634 	rc = params_from_supp(params, num_params, uarg->params);  in tee_ioctl_supp_send()
638 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()