From patchwork Fri Oct 13 20:17:19 2017 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: 10006005 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EEB0C602B3 for ; Fri, 13 Oct 2017 21:03:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D551328BD3 for ; Fri, 13 Oct 2017 21:03:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C9DDC28C06; Fri, 13 Oct 2017 21:03:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5866528BD3 for ; Fri, 13 Oct 2017 21:03:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751451AbdJMVDR (ORCPT ); Fri, 13 Oct 2017 17:03:17 -0400 Received: from gateway22.websitewelcome.com ([192.185.46.225]:30903 "EHLO gateway22.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751258AbdJMVDQ (ORCPT ); Fri, 13 Oct 2017 17:03:16 -0400 X-Greylist: delayed 1419 seconds by postgrey-1.27 at vger.kernel.org; Fri, 13 Oct 2017 17:03:16 EDT Received: from cm13.websitewelcome.com (cm13.websitewelcome.com [100.42.49.6]) by gateway22.websitewelcome.com (Postfix) with ESMTP id 7253A7675 for ; Fri, 13 Oct 2017 15:17:27 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id 36OdeM7SNrWst36Ode90bt; Fri, 13 Oct 2017 15:17:27 -0500 Received: from [189.175.13.173] (port=43556 helo=embeddedor) by gator4166.hostgator.com with esmtpa (Exim 4.87) (envelope-from ) id 1e36Oc-0040jn-Uv; Fri, 13 Oct 2017 15:17:27 -0500 Date: Fri, 13 Oct 2017 15:17:19 -0500 From: "Gustavo A. R. Silva" To: Dan Williams , Vinod Koul Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] dmaengine: nbpfaxi: mark expected switch fall-through Message-ID: <20171013201719.GA7498@embeddedor.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) 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: 189.175.13.173 X-Exim-ID: 1e36Oc-0040jn-Uv X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedor) [189.175.13.173]:43556 X-Source-Auth: garsilva@embeddedor.com X-Email-Count: 3 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva --- drivers/dma/nbpfaxi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c index d3f918a..68a3a83 100644 --- a/drivers/dma/nbpfaxi.c +++ b/drivers/dma/nbpfaxi.c @@ -479,6 +479,7 @@ static size_t nbpf_xfer_size(struct nbpf_device *nbpf, default: pr_warn("%s(): invalid bus width %u\n", __func__, width); + /* fall through */ case DMA_SLAVE_BUSWIDTH_1_BYTE: size = burst; }