From patchwork Fri Nov 20 18:25:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gustavo A. R. Silva" X-Patchwork-Id: 329709 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=-22.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 4F608C63798 for ; Fri, 20 Nov 2020 18:26:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F36A82415B for ; Fri, 20 Nov 2020 18:26:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="mTHpbrAY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729801AbgKTSZx (ORCPT ); Fri, 20 Nov 2020 13:25:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:47154 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726898AbgKTSZw (ORCPT ); Fri, 20 Nov 2020 13:25:52 -0500 Received: from embeddedor (187-162-31-110.static.axtel.net [187.162.31.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BE6032408E; Fri, 20 Nov 2020 18:25:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605896751; bh=uZWmxgfdOdFabCbBvzKOKhMyyNHWXjLVdgLFGOjqNzw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mTHpbrAYm40qVEhS7bOxhqSfxV5D+O9MrDpJZYge2WHFJJ2P17vU16dF3LHrn8bVg AD2vXnsRCxbJR0audAyptm3maXfo9TzPZOctXEEBEFS9sZXFlIu0NmUmFVSg6e5otW QOPESblO+gnEHUF2+SepENZ7DsIFdjI9s4d/AHcw= Date: Fri, 20 Nov 2020 12:25:57 -0600 From: "Gustavo A. R. Silva" To: Steffen Klassert , Herbert Xu , "David S. Miller" , Alexey Kuznetsov , Hideaki YOSHIFUJI , Jakub Kicinski Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH 011/141] ipv4: Fix fall-through warnings for Clang Message-ID: <198dc0032c5454fed7ebc9e8d05cb6463a6df563.1605896059.git.gustavoars@kernel.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple warnings by explicitly adding multiple break statements instead of just letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva --- net/ipv4/ah4.c | 1 + net/ipv4/esp4.c | 1 + net/ipv4/fib_semantics.c | 1 + net/ipv4/ip_vti.c | 1 + net/ipv4/ipcomp.c | 1 + 5 files changed, 5 insertions(+) diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index d99e1be94019..18d451414601 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -450,6 +450,7 @@ static int ah4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default: diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 8b07f3a4f2db..a12ef89e8520 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -987,6 +987,7 @@ static int esp4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default: diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 1f75dc686b6b..647a67516b80 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1872,6 +1872,7 @@ static int call_fib_nh_notifiers(struct fib_nh *nh, (nh->fib_nh_flags & RTNH_F_DEAD)) return call_fib4_notifiers(dev_net(nh->fib_nh_dev), event_type, &info.info); + break; default: break; } diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index b957cbee2cf7..60e0311ec51f 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -349,6 +349,7 @@ static int vti4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default: diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index b42683212c65..bbb56f5e06dd 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -31,6 +31,7 @@ static int ipcomp4_err(struct sk_buff *skb, u32 info) case ICMP_DEST_UNREACH: if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) return 0; + break; case ICMP_REDIRECT: break; default: