199 			    size_t num_params,  in params_from_user()  argument
204 	for (n = 0; n < num_params; n++) {  in params_from_user()
265 			  size_t num_params, struct tee_param *params)  in params_to_user()  argument
269 	for (n = 0; n < num_params; n++) {  in params_to_user()
318 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_open_session()
321 	if (arg.num_params) {  in tee_ioctl_open_session()
322 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_open_session()
327 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_open_session()
343 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_open_session()
354 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_open_session()
389 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_invoke()
392 	if (arg.num_params) {  in tee_ioctl_invoke()
393 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_invoke()
398 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_invoke()
412 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_invoke()
416 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_invoke()
457 			  size_t num_params, struct tee_param *params)  in params_to_supp()  argument
461 	for (n = 0; n < num_params; n++) {  in params_to_supp()
506 	u32 num_params;  in tee_ioctl_supp_recv()  local
520 	if (get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_recv()
523 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)  in tee_ioctl_supp_recv()
526 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_recv()
530 	rc = params_from_user(ctx, params, num_params, uarg->params);  in tee_ioctl_supp_recv()
534 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
539 	    put_user(num_params, &uarg->num_params)) {  in tee_ioctl_supp_recv()
544 	rc = params_to_supp(ctx, uarg->params, num_params, params);  in tee_ioctl_supp_recv()
550 static int params_from_supp(struct tee_param *params, size_t num_params,  in params_from_supp()  argument
555 	for (n = 0; n < num_params; n++) {  in params_from_supp()
603 	u32 num_params;  in tee_ioctl_supp_send()  local
619 	    get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_send()
622 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)  in tee_ioctl_supp_send()
625 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_send()
629 	rc = params_from_supp(params, num_params, uarg->params);  in tee_ioctl_supp_send()
633 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()