363 			    size_t num_params,  in params_from_user()  argument
368 	for (n = 0; n < num_params; n++) {  in params_from_user()
442 			  size_t num_params, struct tee_param *params)  in params_to_user()  argument
446 	for (n = 0; n < num_params; n++) {  in params_to_user()
495 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_open_session()
498 	if (arg.num_params) {  in tee_ioctl_open_session()
499 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_open_session()
504 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_open_session()
527 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_open_session()
538 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_open_session()
573 	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)  in tee_ioctl_invoke()
576 	if (arg.num_params) {  in tee_ioctl_invoke()
577 		params = kcalloc(arg.num_params, sizeof(struct tee_param),  in tee_ioctl_invoke()
582 		rc = params_from_user(ctx, params, arg.num_params, uparams);  in tee_ioctl_invoke()
596 	rc = params_to_user(uparams, arg.num_params, params);  in tee_ioctl_invoke()
600 		for (n = 0; n < arg.num_params; n++)  in tee_ioctl_invoke()
641 			  size_t num_params, struct tee_param *params)  in params_to_supp()  argument
645 	for (n = 0; n < num_params; n++) {  in params_to_supp()
690 	u32 num_params;  in tee_ioctl_supp_recv()  local
704 	if (get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_recv()
707 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)  in tee_ioctl_supp_recv()
710 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_recv()
714 	rc = params_from_user(ctx, params, num_params, uarg->params);  in tee_ioctl_supp_recv()
718 	rc = ctx->teedev->desc->ops->supp_recv(ctx, &func, &num_params, params);  in tee_ioctl_supp_recv()
723 	    put_user(num_params, &uarg->num_params)) {  in tee_ioctl_supp_recv()
728 	rc = params_to_supp(ctx, uarg->params, num_params, params);  in tee_ioctl_supp_recv()
734 static int params_from_supp(struct tee_param *params, size_t num_params,  in params_from_supp()  argument
739 	for (n = 0; n < num_params; n++) {  in params_from_supp()
787 	u32 num_params;  in tee_ioctl_supp_send()  local
803 	    get_user(num_params, &uarg->num_params))  in tee_ioctl_supp_send()
806 	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)  in tee_ioctl_supp_send()
809 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);  in tee_ioctl_supp_send()
813 	rc = params_from_supp(params, num_params, uarg->params);  in tee_ioctl_supp_send()
817 	rc = ctx->teedev->desc->ops->supp_send(ctx, ret, num_params, params);  in tee_ioctl_supp_send()