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=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_MUTT 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 8EF51C43219 for ; Wed, 1 May 2019 20:56:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 67E0E20644 for ; Wed, 1 May 2019 20:56:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726225AbfEAU4U (ORCPT ); Wed, 1 May 2019 16:56:20 -0400 Received: from gateway20.websitewelcome.com ([192.185.47.18]:27988 "EHLO gateway20.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726115AbfEAU4T (ORCPT ); Wed, 1 May 2019 16:56:19 -0400 Received: from cm14.websitewelcome.com (cm14.websitewelcome.com [100.42.49.7]) by gateway20.websitewelcome.com (Postfix) with ESMTP id 435F2400C5273 for ; Wed, 1 May 2019 15:56:19 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id LwH5haKSb2qH7LwH5htMZK; Wed, 01 May 2019 15:56:19 -0500 X-Authority-Reason: nr=8 Received: from [189.250.119.203] (port=53920 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.91) (envelope-from ) id 1hLwGU-0045wh-6U; Wed, 01 May 2019 15:56:18 -0500 Date: Wed, 1 May 2019 15:55:41 -0500 From: "Gustavo A. R. Silva" To: Jeff Kirsher , "David S. Miller" Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" , Kees Cook Subject: [PATCH][next] i40e: mark expected switch fall-through Message-ID: <20190501205541.GA17995@embeddedor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.9.4 (2018-02-28) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.250.119.203 X-Source-L: No X-Exim-ID: 1hLwGU-0045wh-6U X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.250.119.203]:53920 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 26 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/net/ethernet/intel/i40e/i40e_xsk.c: In function ‘i40e_run_xdp_zc’: drivers/net/ethernet/intel/i40e/i40e_xsk.c:217:3: warning: this statement may fall through [-Wimplicit-fallthrough=] bpf_warn_invalid_xdp_action(act); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/intel/i40e/i40e_xsk.c:218:2: note: here case XDP_ABORTED: ^~~~ In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: Signed-off-by: Gustavo A. R. Silva --- drivers/net/ethernet/intel/i40e/i40e_xsk.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index 1b17486543ac..557c565c26fc 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -215,6 +215,7 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp) break; default: bpf_warn_invalid_xdp_action(act); + /* fall through */ case XDP_ABORTED: trace_xdp_exception(rx_ring->netdev, xdp_prog, act); /* fallthrough -- handle aborts by dropping packet */ -- 2.21.0