From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 59192193434 for ; Thu, 5 Sep 2024 20:36:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725568582; cv=none; b=E5eXsA/6KtqmbKaayI4lFv3dAIL6SE7Jgw9pOHFxbalV2KI9ELUsUbHYSDGHSNhUZZXkoAAVDs40vpGJpYejND+U7cepxVA6aoKlaV7cg3sEe+PRxKqyjcl0/n74dhqls2tnuulg98nL9fK+wYbQ5RpeHGnbwPUTw32XdMASIG0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725568582; c=relaxed/simple; bh=3smZTLdjqVJBDU000AvNAnMsFP19IXssykG6fzVljXY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jzaP4jrh/ecfBemQYqcgqP57yt769jkk57KEJKSiHYnquOhWHzz6ycvjTCNtBfcqr5R7apcj0IDzWDH9NY+YdK5fUii3kZiFhLG9MZHbKKeDG1fY8It/8d2KP07RV5r6NUwm6OC5BYQn3dw+nYyJvtBo1HyeEx8Y9AKBhbAaQ24= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=DZrjHtZP; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="DZrjHtZP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725568580; x=1757104580; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=3smZTLdjqVJBDU000AvNAnMsFP19IXssykG6fzVljXY=; b=DZrjHtZP7nbQHRsCnhwN5h8ndJsIPitXEW88XnOxDz2wLRSM0948RpdN fPfqZc5jwf0iNAJKV0juGM6wgIZkIW+q3Nzqs3COp320H6QxZ2vTPRpZR UKvogGRLlxILbNaEzS9WW7EKs2Ilvw99WxOjfGWGZE8GccLGvn3yCKr+H dCw7d8ChBIKlHtaMGGAgHwhJK+Wkdn8kfoHFtVsqjnqVEWFqRvyMi/Cs+ srZkoO0CFoy+fiveJGZwtFbKkz59yfzl6MwAgxdZIHyng8049xm4ug0GO 9DmxiX49IfCl5IljfCLLUFWMCJxP6Zg672r3fdXbIFCmCWwLu6dP5aa0f Q==; X-CSE-ConnectionGUID: l9Sl0Q0KRIGiodLnQLVwXw== X-CSE-MsgGUID: 7VwS4Gn+Sfy58dxBuWGxBg== X-IronPort-AV: E=McAfee;i="6700,10204,11186"; a="23816958" X-IronPort-AV: E=Sophos;i="6.10,205,1719903600"; d="scan'208";a="23816958" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2024 13:36:20 -0700 X-CSE-ConnectionGUID: 2w8SmdCORLyvd1eRSuY3pA== X-CSE-MsgGUID: PKoY7JYeQ9+U8pEPP5ELsA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,205,1719903600"; d="scan'208";a="96520887" Received: from black.fi.intel.com ([10.237.72.28]) by fmviesa001.fm.intel.com with ESMTP; 05 Sep 2024 13:36:16 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id C737E31E; Thu, 05 Sep 2024 23:36:14 +0300 (EEST) From: Andy Shevchenko To: Pablo Neira Ayuso , Felix Huettner , netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Cc: Jozsef Kadlecsik , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andy Shevchenko Subject: [PATCH net v1 1/1] netfilter: conntrack: Guard possoble unused functions Date: Thu, 5 Sep 2024 23:36:12 +0300 Message-ID: <20240905203612.333421-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1336.g36b5255a03ac Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Some of the functions may be unused, it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y: net/netfilter/nf_conntrack_netlink.c:657:22: error: unused function 'ctnetlink_acct_size' [-Werror,-Wunused-function] 657 | static inline size_t ctnetlink_acct_size(const struct nf_conn *ct) | ^~~~~~~~~~~~~~~~~~~ net/netfilter/nf_conntrack_netlink.c:667:19: error: unused function 'ctnetlink_secctx_size' [-Werror,-Wunused-function] 667 | static inline int ctnetlink_secctx_size(const struct nf_conn *ct) | ^~~~~~~~~~~~~~~~~~~~~ net/netfilter/nf_conntrack_netlink.c:683:22: error: unused function 'ctnetlink_timestamp_size' [-Werror,-Wunused-function] 683 | static inline size_t ctnetlink_timestamp_size(const struct nf_conn *ct) | ^~~~~~~~~~~~~~~~~~~~~~~~ Fix this by guarding possible unused functions with ifdeffery. See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static inline functions for W=1 build"). Fixes: 4a96300cec88 ("netfilter: ctnetlink: restore inlining for netlink message size calculation") Signed-off-by: Andy Shevchenko --- net/netfilter/nf_conntrack_netlink.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 4cbf71d0786b..7ab7dc7569e7 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -654,6 +654,7 @@ static size_t ctnetlink_proto_size(const struct nf_conn *ct) } #endif +#if defined(CONFIG_NF_CONNTRACK_EVENTS) || defined(CONFIG_NETFILTER_NETLINK_GLUE_CT) static inline size_t ctnetlink_acct_size(const struct nf_conn *ct) { if (!nf_ct_ext_exist(ct, NF_CT_EXT_ACCT)) @@ -690,6 +691,7 @@ static inline size_t ctnetlink_timestamp_size(const struct nf_conn *ct) return 0; #endif } +#endif #ifdef CONFIG_NF_CONNTRACK_EVENTS static size_t ctnetlink_nlmsg_size(const struct nf_conn *ct) -- 2.43.0.rc1.1336.g36b5255a03ac