From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23E2DC10F00 for ; Thu, 21 Mar 2019 13:40:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F28D02075E for ; Thu, 21 Mar 2019 13:40:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728377AbfCUNkb (ORCPT ); Thu, 21 Mar 2019 09:40:31 -0400 Received: from mx2.suse.de ([195.135.220.15]:36150 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728337AbfCUNk3 (ORCPT ); Thu, 21 Mar 2019 09:40:29 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 6AB3EAF8C; Thu, 21 Mar 2019 13:40:27 +0000 (UTC) Received: by unicorn.suse.cz (Postfix, from userid 1000) id 1B5B3E00BF; Thu, 21 Mar 2019 14:40:27 +0100 (CET) Message-Id: <604737189b5346bdc8e95dd19a390525d6880512.1553170807.git.mkubecek@suse.cz> In-Reply-To: References: From: Michal Kubecek Subject: [PATCH net-next v4 03/22] netlink: add strict version of nla_parse_nested() To: David Miller , netdev@vger.kernel.org Cc: Jakub Kicinski , Jiri Pirko , Andrew Lunn , Florian Fainelli , John Linville , linux-kernel@vger.kernel.org Date: Thu, 21 Mar 2019 14:40:27 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to nla_parse_strict() and nlmsg_parse_strict(), add also nla_parse_nested_strict() as a version of nla_parse_nested() with strict policy checking. Signed-off-by: Michal Kubecek --- include/net/netlink.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/net/netlink.h b/include/net/netlink.h index bc0497076bec..723139637ba4 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -913,6 +913,15 @@ static inline int nla_parse_nested(struct nlattr *tb[], int maxtype, extack); } +static inline int nla_parse_nested_strict(struct nlattr *tb[], int maxtype, + const struct nlattr *nla, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return nla_parse_strict(tb, maxtype, nla_data(nla), nla_len(nla), + policy, extack); +} + /** * nla_put_u8 - Add a u8 netlink attribute to a socket buffer * @skb: socket buffer to add attribute to -- 2.21.0