From patchwork Tue Oct 2 19:32:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 10624003 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1EC51926 for ; Tue, 2 Oct 2018 19:32:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 962A0285B0 for ; Tue, 2 Oct 2018 19:32:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8AC48285B3; Tue, 2 Oct 2018 19:32:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0F560285B7 for ; Tue, 2 Oct 2018 19:32:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726418AbeJCCR3 (ORCPT ); Tue, 2 Oct 2018 22:17:29 -0400 Received: from s3.sipsolutions.net ([144.76.43.62]:48344 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726274AbeJCCR3 (ORCPT ); Tue, 2 Oct 2018 22:17:29 -0400 Received: by sipsolutions.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.91) (envelope-from ) id 1g7QPG-0004o0-Nt; Tue, 02 Oct 2018 21:32:30 +0200 From: Johannes Berg To: backports@vger.kernel.org Cc: Johannes Berg Subject: [PATCH v2 1/6] backports: rename magic functions for netlink parsing Date: Tue, 2 Oct 2018 21:32:10 +0200 Message-Id: <20181002193215.399-1-johannes@sipsolutions.net> X-Mailer: git-send-email 2.14.4 Sender: backports-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: backports@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Johannes Berg Make all the magic variable argument calls inlines and rename them so we can override them more easily later. Signed-off-by: Johannes Berg --- backport/backport-include/net/netlink.h | 100 +++++++++++++++++++++----------- 1 file changed, 65 insertions(+), 35 deletions(-) diff --git a/backport/backport-include/net/netlink.h b/backport/backport-include/net/netlink.h index 37c899b07b1d..7775bc8295c3 100644 --- a/backport/backport-include/net/netlink.h +++ b/backport/backport-include/net/netlink.h @@ -7,70 +7,100 @@ #if LINUX_VERSION_IS_LESS(4,12,0) #include -static inline int nla_validate5(const struct nlattr *head, - int len, int maxtype, - const struct nla_policy *policy, - struct netlink_ext_ack *extack) +static inline int _nla_validate5(const struct nlattr *head, + int len, int maxtype, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) { return nla_validate(head, len, maxtype, policy); } -#define nla_validate4 nla_validate +static inline int _nla_validate4(const struct nlattr *head, + int len, int maxtype, + const struct nla_policy *policy) +{ + return nla_validate(head, len, maxtype, policy); +} +#undef nla_validate #define nla_validate(...) \ - macro_dispatcher(nla_validate, __VA_ARGS__)(__VA_ARGS__) + macro_dispatcher(_nla_validate, __VA_ARGS__)(__VA_ARGS__) -static inline int nla_parse6(struct nlattr **tb, int maxtype, - const struct nlattr *head, - int len, const struct nla_policy *policy, - struct netlink_ext_ack *extack) +static inline int _nla_parse6(struct nlattr **tb, int maxtype, + const struct nlattr *head, + int len, const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return nla_parse(tb, maxtype, head, len, policy); +} +static inline int _nla_parse5(struct nlattr **tb, int maxtype, + const struct nlattr *head, + int len, const struct nla_policy *policy) { return nla_parse(tb, maxtype, head, len, policy); } -#define nla_parse5(...) nla_parse(__VA_ARGS__) #define nla_parse(...) \ - macro_dispatcher(nla_parse, __VA_ARGS__)(__VA_ARGS__) + macro_dispatcher(_nla_parse, __VA_ARGS__)(__VA_ARGS__) -static inline int nlmsg_parse6(const struct nlmsghdr *nlh, int hdrlen, - struct nlattr *tb[], int maxtype, - const struct nla_policy *policy, - struct netlink_ext_ack *extack) +static inline int _nlmsg_parse6(const struct nlmsghdr *nlh, int hdrlen, + struct nlattr *tb[], int maxtype, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return nlmsg_parse(nlh, hdrlen, tb, maxtype, policy); +} +static inline int _nlmsg_parse5(const struct nlmsghdr *nlh, int hdrlen, + struct nlattr *tb[], int maxtype, + const struct nla_policy *policy) { return nlmsg_parse(nlh, hdrlen, tb, maxtype, policy); } -#define nlmsg_parse5 nlmsg_parse #define nlmsg_parse(...) \ - macro_dispatcher(nlmsg_parse, __VA_ARGS__)(__VA_ARGS__) + macro_dispatcher(_nlmsg_parse, __VA_ARGS__)(__VA_ARGS__) -static inline int nlmsg_validate5(const struct nlmsghdr *nlh, - int hdrlen, int maxtype, - const struct nla_policy *policy, - struct netlink_ext_ack *extack) +static inline int _nlmsg_validate5(const struct nlmsghdr *nlh, + int hdrlen, int maxtype, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return nlmsg_validate(nlh, hdrlen, maxtype, policy); +} +static inline int _nlmsg_validate4(const struct nlmsghdr *nlh, + int hdrlen, int maxtype, + const struct nla_policy *policy) { return nlmsg_validate(nlh, hdrlen, maxtype, policy); } -#define nlmsg_validate4 nlmsg_validate #define nlmsg_validate(...) \ - macro_dispatcher(nlmsg_validate, __VA_ARGS__)(__VA_ARGS__) + macro_dispatcher(_nlmsg_validate, __VA_ARGS__)(__VA_ARGS__) -static inline int nla_parse_nested5(struct nlattr *tb[], int maxtype, - const struct nlattr *nla, - const struct nla_policy *policy, - struct netlink_ext_ack *extack) +static inline int _nla_parse_nested5(struct nlattr *tb[], int maxtype, + const struct nlattr *nla, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return nla_parse_nested(tb, maxtype, nla, policy); +} +static inline int _nla_parse_nested4(struct nlattr *tb[], int maxtype, + const struct nlattr *nla, + const struct nla_policy *policy) { return nla_parse_nested(tb, maxtype, nla, policy); } -#define nla_parse_nested4 nla_parse_nested #define nla_parse_nested(...) \ - macro_dispatcher(nla_parse_nested, __VA_ARGS__)(__VA_ARGS__) + macro_dispatcher(_nla_parse_nested, __VA_ARGS__)(__VA_ARGS__) -static inline int nla_validate_nested4(const struct nlattr *start, int maxtype, - const struct nla_policy *policy, - struct netlink_ext_ack *extack) +static inline int _nla_validate_nested4(const struct nlattr *start, int maxtype, + const struct nla_policy *policy, + struct netlink_ext_ack *extack) +{ + return nla_validate_nested(start, maxtype, policy); +} +static inline int _nla_validate_nested3(const struct nlattr *start, int maxtype, + const struct nla_policy *policy) { return nla_validate_nested(start, maxtype, policy); } -#define nla_validate_nested3 nla_validate_nested #define nla_validate_nested(...) \ - macro_dispatcher(nla_validate_nested, __VA_ARGS__)(__VA_ARGS__) + macro_dispatcher(_nla_validate_nested, __VA_ARGS__)(__VA_ARGS__) #endif /* LINUX_VERSION_IS_LESS(4,12,0) */ #if LINUX_VERSION_IS_LESS(3,7,0)