Received: by 2002:a05:6a10:1a4d:0:0:0:0 with SMTP id nk13csp1610134pxb; Wed, 9 Feb 2022 00:01:30 -0800 (PST) X-Google-Smtp-Source: ABdhPJweiV6knuJw8JYkTxDhlAcDU+S+efUvbusUHrnO/SxsBM139wob4tEF/w0S3giIxeLiVFzY X-Received: by 2002:a05:6402:35ca:: with SMTP id z10mr1175736edc.43.1644393690244; Wed, 09 Feb 2022 00:01:30 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644393690; cv=none; d=google.com; s=arc-20160816; b=XXm8jtnwIBWFV/smgx0UBDhfVu6c//t4/SBakpwLObYYiT2/zL/6xtxx2mL50DpSog ka73MfwWyKVjIdsuJ4PWT18Cnp4VR3zhHVOzgmuJF3pbrvNG22qFZNvJWYbNVvdOjsyE cKl60Z8tQp0aTE+XQxQUf3XdAf5zAiorbRBAiJ7MRcCd9l8UDIaOHD+NQmoCn43lkzUn NroCjHjSu9Q99iVqO6LS1yEEru9gvGXj7p16M9HEp87H3n6xGq0F/+qWyqUZdTSD44L8 kehePLmnewMHxG5spnDpogm7PUwwYtMeJtCa6nO7gecQIPyp4fkwIe2OLT9Akyx8irN/ jR+w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version:date :message-id:subject:references:in-reply-to:cc:to:from:dkim-signature; bh=TWs/pi13W9s3W1BKYFNV7ZvPA+qtn2fXWAaFncVNBc4=; b=vNsdw+EG9iDOPNEFiRRcHTMduEXMf4Elx7QqiLjsv9MfeTQ7hScQu2V7tCly6MnRAs fHMqtvvJ0sbOrlNeeOkEu4gsgRm6BFly8Af1Ie0wYDOfmnDyZgIR4Oi2ariiTmlCF60K +OIk5F3pF0Sn5jI32z4TTycol7oThKVrMMahT+YVdnfSPD8+HgOMvy2AIp0l1A8MUSgh OGN0yhWTMD3Of6WStgs0/ET+PT68H3xOZ3bs7Y7XKdD9/KV8SVBStIWeKdrEb2T0di7r 1EOIp7Y4I0HcZsW3g9CQeYsBGkGTzRbdPz0seEbT1DWDb3tMHmjPIZNOv0tDSoTPMnQ/ J4+w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=h1dFK7T+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dd4si10897390ejc.647.2022.02.09.00.01.05; Wed, 09 Feb 2022 00:01:30 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=h1dFK7T+; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350252AbiBHN6E (ORCPT + 99 others); Tue, 8 Feb 2022 08:58:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241623AbiBHN6D (ORCPT ); Tue, 8 Feb 2022 08:58:03 -0500 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B716AC03FED0 for ; Tue, 8 Feb 2022 05:58:02 -0800 (PST) Received: by mail-pf1-x432.google.com with SMTP id c10so120706pfi.9 for ; Tue, 08 Feb 2022 05:58:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=from:to:cc:in-reply-to:references:subject:message-id:date :mime-version:content-transfer-encoding; bh=TWs/pi13W9s3W1BKYFNV7ZvPA+qtn2fXWAaFncVNBc4=; b=h1dFK7T+x6tKeDpUl4n3poDM9S+jOvviadfLmhPCX+gbYVpqjzsWT1XlEUG4QMsJtl 9lA76BKvnt2aj9GqEN2H8rOyxkUUNdU+/dUUKTevvoKT8+jfWnaBF2/N9lOfmBB49IRu INHnA2at1qEqhnlZvfA9Tgham9FSWtGzPFQXe8UlN2PxT7J27j9+ZQpcSrm21h3+S23L iu7lum6Dkjc0ixmjWSDonMksCILvz+WeAgkkstdkw0tSD9qMtcY5J4Y+JeGOGxdkYiC7 WCcNcgFAeRN3T20wd3uz706ZzsK+nx8xS4rUXHmxFv/TW+gVHgVu5vod4pGhs91HJB+b ZZtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:in-reply-to:references:subject :message-id:date:mime-version:content-transfer-encoding; bh=TWs/pi13W9s3W1BKYFNV7ZvPA+qtn2fXWAaFncVNBc4=; b=7rECb2AqTIEFvlnbwHjy0JWewEhakNT7tdRtySQCHebNaDksuxtvxD46Mo1HAIhiUR vXPNfhwCXUKecrEoAa0NRgK68BRL0+BBSB0Z4b38Mf7mhgAMAxVf1ygeAWdfIZGiRt+L cqjm2Y/I7dXBO+u1erwtUFDFhqC6Y+4nUnCpk39G0TWvop7be02RKDSsbdNDuws2HSup x/biyFvTmVyE8PnR3mq7bH9LlLQYi4zTZHewrhy6FfPgbXBko8ZyVeipfw+G7ZoZJ5cT uF1glq+wL41CPIg8lHbxBm3tHnu2iXkYB47r0Cn1tiZbbFC2qmbALiqtxpIjnAE8yDRr 2ELQ== X-Gm-Message-State: AOAM5310K7Cw9NiJtGI3ZaRqprpWlxkiyQgr8795tut200N7iguH+iQ3 79I/6xtHxL6v3pGVWa0+O8uddg== X-Received: by 2002:a62:15c3:: with SMTP id 186mr4589768pfv.59.1644328682188; Tue, 08 Feb 2022 05:58:02 -0800 (PST) Received: from [192.168.1.116] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id x33sm17673119pfh.178.2022.02.08.05.58.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Feb 2022 05:58:01 -0800 (PST) From: Jens Axboe To: Pavel Begunkov , Nathan Chancellor Cc: io-uring@vger.kernel.org, llvm@lists.linux.dev, Usama Arif , linux-kernel@vger.kernel.org, Nick Desaulniers In-Reply-To: <20220207162410.1013466-1-nathan@kernel.org> References: <20220207162410.1013466-1-nathan@kernel.org> Subject: Re: [PATCH] io_uring: Fix use of uninitialized ret in io_eventfd_register() Message-Id: <164432868079.113641.15442485560114247466.b4-ty@kernel.dk> Date: Tue, 08 Feb 2022 06:58:00 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 7 Feb 2022 09:24:11 -0700, Nathan Chancellor wrote: > Clang warns: > > fs/io_uring.c:9396:9: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] > return ret; > ^~~ > fs/io_uring.c:9373:13: note: initialize the variable 'ret' to silence this warning > int fd, ret; > ^ > = 0 > 1 warning generated. > > [...] Applied, thanks! [1/1] io_uring: Fix use of uninitialized ret in io_eventfd_register() commit: 4c65723081332607ca331072b0f8a90189e2e447 Best regards, -- Jens Axboe