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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59B56C43334 for ; Wed, 20 Jul 2022 23:08:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231407AbiGTXIC (ORCPT ); Wed, 20 Jul 2022 19:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230131AbiGTXIA (ORCPT ); Wed, 20 Jul 2022 19:08:00 -0400 Received: from mail.netfilter.org (mail.netfilter.org [217.70.188.207]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E78231B78E; Wed, 20 Jul 2022 16:07:59 -0700 (PDT) From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com Subject: [PATCH nf-next 01/18] netfilter: conntrack: use fallthrough to cleanup Date: Thu, 21 Jul 2022 01:07:37 +0200 Message-Id: <20220720230754.209053-2-pablo@netfilter.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220720230754.209053-1-pablo@netfilter.org> References: <20220720230754.209053-1-pablo@netfilter.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jackie Liu These cases all use the same function. we can simplify the code through fallthrough. $ size net/netfilter/nf_conntrack_core.o text data bss dec hex filename before 81601 81430 768 163799 27fd7 net/netfilter/nf_conntrack_core.o after 80361 81430 768 162559 27aff net/netfilter/nf_conntrack_core.o Arch: aarch64 Gcc : gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1) Reported-by: k2ci Signed-off-by: Jackie Liu Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_conntrack_core.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 082a2fd8d85b..363c3e8f9d1b 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -329,20 +329,18 @@ nf_ct_get_tuple(const struct sk_buff *skb, return gre_pkt_to_tuple(skb, dataoff, net, tuple); #endif case IPPROTO_TCP: - case IPPROTO_UDP: /* fallthrough */ - return nf_ct_get_tuple_ports(skb, dataoff, tuple); + case IPPROTO_UDP: #ifdef CONFIG_NF_CT_PROTO_UDPLITE case IPPROTO_UDPLITE: - return nf_ct_get_tuple_ports(skb, dataoff, tuple); #endif #ifdef CONFIG_NF_CT_PROTO_SCTP case IPPROTO_SCTP: - return nf_ct_get_tuple_ports(skb, dataoff, tuple); #endif #ifdef CONFIG_NF_CT_PROTO_DCCP case IPPROTO_DCCP: - return nf_ct_get_tuple_ports(skb, dataoff, tuple); #endif + /* fallthrough */ + return nf_ct_get_tuple_ports(skb, dataoff, tuple); default: break; } -- 2.30.2