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=-13.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 65B7AC3E8C5 for ; Sun, 29 Nov 2020 17:49:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1FDF7206D8 for ; Sun, 29 Nov 2020 17:49:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Cg4+kG8o" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726669AbgK2Rsu (ORCPT ); Sun, 29 Nov 2020 12:48:50 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:21987 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725468AbgK2Rst (ORCPT ); Sun, 29 Nov 2020 12:48:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1606672043; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SrWAJHUZ40Lonyn1Q/nX2kCT++1DHjrIAsCFRqELYdU=; b=Cg4+kG8oHvTNl5+X/rRzyjTaTMDx1SKM5lRQ+rgijw4t5Pal2x/8e4+o8olaqkLfu4yVtj xuUKeS2eUb6dtPUHKv1Ni428lPWuD0TNzUEKhgvLToJKy17Zh8y5beIokLc6eC0DEdlOBW Zg+RkDGfGz2ZIuDTbYZ6+zvhHWYFk+s= Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-320-FOX-lQatOIq5kqB3AdOV0w-1; Sun, 29 Nov 2020 12:47:21 -0500 X-MC-Unique: FOX-lQatOIq5kqB3AdOV0w-1 Received: by mail-qt1-f197.google.com with SMTP id t22so6765801qtq.2 for ; Sun, 29 Nov 2020 09:47:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=SrWAJHUZ40Lonyn1Q/nX2kCT++1DHjrIAsCFRqELYdU=; b=B1sv5bHQbwqXRPOe1GsJIFERBJxCmAIydMCgIFstgkw8IFCiwqmRz3V0B0R+fLar9Y flWgiyiFSpeOfJdFpXr1awa2FGrFMJqUrfWw8mQObFjm39a725celNlG2XI4f+M0hUgX X8FVHnuegLZHiK+6OLGFDOUZjasfvOkWdCd2AyzDG44ai2/Z0wkfiDf/BurN4uJgLfnG XcMVwml9J3EvxRL15uTi6FXmUXgI/iolPmZkbw+0mRma13U0lEuKsaTLPZNq+zEW3/TF 3uNhsbCJnWYoDm2kfxGmPZZCw/vc+F9smMlq/7j4RhnFIlKZRFZEOsUXExjBQXfZDr4m y7Og== X-Gm-Message-State: AOAM533bjpUMUjHHlWbfdslWDhsrQwAQeJ1ZyhC03WhDSX9/LtYlTNZt StgZuqbD2xeUFK9XD3RPgq37Xqe2K/cso/RVcnT9bfSBGhhffC7c6+2b3VWvLOOrCP2F1SC0slc S8WZRV7sP5QvdnjEK+1gQLne6Tg== X-Received: by 2002:a37:d8a:: with SMTP id 132mr18865356qkn.332.1606672040682; Sun, 29 Nov 2020 09:47:20 -0800 (PST) X-Google-Smtp-Source: ABdhPJzn0xr4NyRhZFuipBRx/ScZBKeoKjxhE39f7KA13T6baPcGbruIJugXlMTwBH68yZ5MAhJD3A== X-Received: by 2002:a37:d8a:: with SMTP id 132mr18865344qkn.332.1606672040491; Sun, 29 Nov 2020 09:47:20 -0800 (PST) Received: from trix.remote.csb (075-142-250-213.res.spectrum.com. [75.142.250.213]) by smtp.gmail.com with ESMTPSA id 14sm1559247qkk.128.2020.11.29.09.47.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 29 Nov 2020 09:47:19 -0800 (PST) Subject: Re: [PATCH] locks: remove trailing semicolon in macro definition To: Matthew Wilcox Cc: jlayton@kernel.org, bfields@fieldses.org, viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <20201127190707.2844580-1-trix@redhat.com> <20201127195323.GZ4327@casper.infradead.org> From: Tom Rix Message-ID: <8e7c0d56-64f3-d0b6-c1cf-9f285c59f169@redhat.com> Date: Sun, 29 Nov 2020 09:47:18 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <20201127195323.GZ4327@casper.infradead.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 11/27/20 11:53 AM, Matthew Wilcox wrote: > On Fri, Nov 27, 2020 at 11:07:07AM -0800, trix@redhat.com wrote: >> +++ b/fs/fcntl.c >> @@ -526,7 +526,7 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd, >> (dst)->l_whence = (src)->l_whence; \ >> (dst)->l_start = (src)->l_start; \ >> (dst)->l_len = (src)->l_len; \ >> - (dst)->l_pid = (src)->l_pid; >> + (dst)->l_pid = (src)->l_pid > This should be wrapped in a do { } while (0). > > Look, this warning is clearly great at finding smelly code, but the > fixes being generated to shut up the warning are low quality. > Multiline macros not following the do {} while (0) pattern are likely a larger problem. I'll take a look. Thanks, Tom