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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40A07CCA488 for ; Sun, 17 Jul 2022 01:03:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232067AbiGQBDY (ORCPT ); Sat, 16 Jul 2022 21:03:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbiGQBDY (ORCPT ); Sat, 16 Jul 2022 21:03:24 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 315B01A81D; Sat, 16 Jul 2022 18:03:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B07D1B80AE1; Sun, 17 Jul 2022 01:03:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EC3D9C34114; Sun, 17 Jul 2022 01:03:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1658019800; bh=6lc/voAQIIG/VXdHbLyxYL355ctKMSS9UlOTlBJJc5M=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Sw9ul5PuP/4fE7uKc3VlIVRaBEoakbFDaYCGWJHTFjycO+AgF6qNbNi5u2iBJeXDp sYnWDsGhwiTkyThp5t5aQ0C/lMHv6VuJ0Z6rME8aCGUX4MXpTjLcr+Kletb3vec3he 80zU0cipj0Hxdfz/9huBPSv3Dls8N5M6qQ90iIlY= Date: Sat, 16 Jul 2022 18:03:19 -0700 From: Andrew Morton To: kernel test robot Cc: ntfs3@lists.linux.dev, linux-pci@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-can@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, dri-devel@lists.freedesktop.org, bpf@vger.kernel.org, Liam Howlett Subject: Re: [linux-next:master] BUILD REGRESSION 4662b7adea50bb62e993a67f611f3be625d3df0d Message-Id: <20220716180319.dcb09d8ce9519368695c1108@linux-foundation.org> In-Reply-To: <62cf77c3.3T/sxYUjJq0ImGp4%lkp@intel.com> References: <62cf77c3.3T/sxYUjJq0ImGp4%lkp@intel.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Thu, 14 Jul 2022 09:56:19 +0800 kernel test robot wrote: > lib/maple_tree.c:1522:52: warning: Parameter 'gaps' can be declared with const [constParameter] > lib/maple_tree.c:1871:21: warning: Array index 'split' is used before limits check. [arrayIndexThenCheck] > lib/maple_tree.c:2033:55: warning: Parameter 'mas' can be declared with const [constParameter] > lib/maple_tree.c:2426:8: warning: Redundant initialization for 'r_tmp'. The initialized value is overwritten before it is read. [redundantInitialization] > lib/maple_tree.c:2427:8: warning: Redundant initialization for 'l_tmp'. The initialized value is overwritten before it is read. [redundantInitialization] > lib/maple_tree.c:3160:22: warning: Found suspicious operator ',' [constStatement] > lib/maple_tree.c:3208:11: warning: Size of pointer 'pivs' used instead of size of its data. [pointerSize] > lib/maple_tree.c:326:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg] > lib/maple_tree.c:4266:15: warning: The if condition is the same as the previous if condition [duplicateCondition] > lib/maple_tree.c:4302:23: warning: Boolean result is used in bitwise operation. Clarify expression with parentheses. [clarifyCondition] > lib/maple_tree.c:694:59: warning: Parameter 'pivots' can be declared with const [constParameter] > lib/test_printf.c:415:11: warning: Local variable 'addr' shadows outer function [shadowFunction] > mm/highmem.c:737:13: warning: Uninitialized variable: pam->page [uninitvar] > mm/migrate.c:355:53: warning: Parameter 'mapping' can be declared with const [constParameter] > mm/migrate.c:875:7: warning: Redundant initialization for 'rc'. The initialized value is overwritten before it is read. [redundantInitialization] > mm/mlock.c:230:20: warning: Using pointer that is a temporary. [danglingTemporaryLifetime] > mm/slab.c:1635:24: warning: Uninitialized variables: slab.__page_flags, slab.__unused_1, slab.freelist, slab.units, slab.__unused_2, slab.__page_refcount [uninitvar] > mm/slab.c:3289:7: warning: Redundant assignment of 'objp' to itself. [selfAssignment] > mm/slab.c:3509:8: warning: Redundant assignment of 'p[i]' to itself. [selfAssignment] > mm/slab.c:405:9: warning: Local variable 'slab_size' shadows outer function [shadowFunction] > mm/vmstat.c:1409:53: warning: Parameter 'pos' can be declared with const [constParameter] > mm/vmstat.c:1650:68: warning: Parameter 'zone' can be declared with const [constParameter] > mm/zsmalloc.c:2019:15: warning: Uninitialized variables: zspage.huge, zspage.fullness, zspage.class, zspage.isolated, zspage.magic, zspage.inuse, zspage.freeobj, zspage.first_page, zspage.lock [uninitvar] > mm/zsmalloc.c:2060:16: warning: Local variable 'obj_allocated' shadows outer function [shadowFunction] urgh, thanks, lots of stuff to go through here. Liam, I suggest we worry about the mapletree things at a later time ;)