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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 5A9F5C2D0C2 for ; Mon, 30 Dec 2019 11:21:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31A77206E4 for ; Mon, 30 Dec 2019 11:21:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727401AbfL3LVy (ORCPT ); Mon, 30 Dec 2019 06:21:54 -0500 Received: from correo.us.es ([193.147.175.20]:59208 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727359AbfL3LVx (ORCPT ); Mon, 30 Dec 2019 06:21:53 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 372354DE722 for ; Mon, 30 Dec 2019 12:21:51 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 27EB2DA716 for ; Mon, 30 Dec 2019 12:21:51 +0100 (CET) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 1C6DCDA714; Mon, 30 Dec 2019 12:21:51 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 1C511DA709; Mon, 30 Dec 2019 12:21:49 +0100 (CET) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Mon, 30 Dec 2019 12:21:49 +0100 (CET) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from salvia.here (unknown [185.124.28.61]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id 829C941E4800; Mon, 30 Dec 2019 12:21:48 +0100 (CET) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org Subject: [PATCH 01/17] netfilter: Clean up unnecessary #ifdef Date: Mon, 30 Dec 2019 12:21:27 +0100 Message-Id: <20191230112143.121708-2-pablo@netfilter.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20191230112143.121708-1-pablo@netfilter.org> References: <20191230112143.121708-1-pablo@netfilter.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: Lukas Wunner If CONFIG_NETFILTER_INGRESS is not enabled, nf_ingress() becomes a no-op because it solely contains an if-clause calling nf_hook_ingress_active(), for which an empty inline stub exists in . All the symbols used in the if-clause's body are still available even if CONFIG_NETFILTER_INGRESS is not enabled. The additional "#ifdef CONFIG_NETFILTER_INGRESS" in nf_ingress() is thus unnecessary, so drop it. Signed-off-by: Lukas Wunner Cc: Daniel Borkmann Signed-off-by: Pablo Neira Ayuso --- net/core/dev.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 2c277b8aba38..1ccead4b19bf 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4932,7 +4932,6 @@ static bool skb_pfmemalloc_protocol(struct sk_buff *skb) static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, struct net_device *orig_dev) { -#ifdef CONFIG_NETFILTER_INGRESS if (nf_hook_ingress_active(skb)) { int ingress_retval; @@ -4946,7 +4945,6 @@ static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev, rcu_read_unlock(); return ingress_retval; } -#endif /* CONFIG_NETFILTER_INGRESS */ return 0; } -- 2.11.0