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 B429CC77B71 for ; Sun, 16 Apr 2023 00:05:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230108AbjDPAFF (ORCPT ); Sat, 15 Apr 2023 20:05:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbjDPAFC (ORCPT ); Sat, 15 Apr 2023 20:05:02 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3C302689 for ; Sat, 15 Apr 2023 17:05:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681603500; x=1713139500; h=date:from:to:cc:subject:message-id:mime-version; bh=JgFs7KIQMJ8PjqwX16Fc7qpGewozz09tLqQlWq91/uY=; b=guvDzjE9v3GhIwklL65sVg7VC/9TQC2nhlG+MH9PFBxrmUylzG/YuJHM lXnFkqlkQKaKmmwG23gTkNIBFxQNoCZvZM4LS1O5q7ser+9KtuVkIV4cl WWwU3FgLWBD6fRG52M+2dv/T2SMJA6KNcjQVA85iV/RaGawpimBj0wf+w tkOydXxIdR835BspDfFMyth+jFK4RJhhS6A0tq7fs6Q7pxVqQPmLUgus9 XTZvV2MPlRCLNSXC24wiRuz9+WdmNd4sGck0mhPA6rJg1f44lLKQsCVYU OqPutiPA0kb0L9BV+2sBl/yzDqsyY8kwrlqmlrVRdNtH5QD9/vf8siVHp g==; X-IronPort-AV: E=McAfee;i="6600,9927,10681"; a="407578015" X-IronPort-AV: E=Sophos;i="5.99,201,1677571200"; d="scan'208";a="407578015" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2023 17:04:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10681"; a="692850873" X-IronPort-AV: E=Sophos;i="5.99,201,1677571200"; d="scan'208";a="692850873" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by fmsmga007.fm.intel.com with ESMTP; 15 Apr 2023 17:04:56 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pnpt2-000bQb-2r; Sun, 16 Apr 2023 00:04:56 +0000 Date: Sun, 16 Apr 2023 08:04:17 +0800 From: kernel test robot To: Thomas Gleixner Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org Subject: [tip:irq/urgent 1/1] drivers/pci/msi/msi.c:763:18: error: use of undeclared identifier 'nvec'; did you mean 'nvev'? Message-ID: <202304160832.bMSgCZQD-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/urgent head: 84d9651e13fb9820041d19262a55906851524c0f commit: 84d9651e13fb9820041d19262a55906851524c0f [1/1] PCI/MSI: Remove over-zealous hardware size check in pci_msix_validate_entries() config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20230416/202304160832.bMSgCZQD-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=84d9651e13fb9820041d19262a55906851524c0f git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip irq/urgent git checkout 84d9651e13fb9820041d19262a55906851524c0f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/pci/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304160832.bMSgCZQD-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/pci/msi/msi.c:763:18: error: use of undeclared identifier 'nvec'; did you mean 'nvev'? for (i = 0; i < nvec; i++) { ^~~~ nvev drivers/pci/msi/msi.c:753:92: note: 'nvev' declared here static bool pci_msix_validate_entries(struct pci_dev *dev, struct msix_entry *entries, int nvev) ^ drivers/pci/msi/msi.c:765:23: error: use of undeclared identifier 'nvec'; did you mean 'nvev'? for (j = i + 1; j < nvec; j++) { ^~~~ nvev drivers/pci/msi/msi.c:753:92: note: 'nvev' declared here static bool pci_msix_validate_entries(struct pci_dev *dev, struct msix_entry *entries, int nvev) ^ 2 errors generated. vim +763 drivers/pci/msi/msi.c ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 752 84d9651e13fb98 drivers/pci/msi/msi.c Thomas Gleixner 2023-04-10 753 static bool pci_msix_validate_entries(struct pci_dev *dev, struct msix_entry *entries, int nvev) ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 754 { 4644d22eb673f1 drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 755 bool nogap; ded86d8d37736d drivers/pci/msi.c Eric W. Biederman 2007-01-28 756 int i, j; ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 757 bab65e48cb064d drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 758 if (!entries) bab65e48cb064d drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 759 return true; ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 760 4644d22eb673f1 drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 761 nogap = pci_msi_domain_supports(dev, MSI_FLAG_MSIX_CONTIGUOUS, DENY_LEGACY); 4644d22eb673f1 drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 762 ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 @763 for (i = 0; i < nvec; i++) { bab65e48cb064d drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 764 /* Check for duplicate entries */ ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 765 for (j = i + 1; j < nvec; j++) { ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 766 if (entries[i].entry == entries[j].entry) bab65e48cb064d drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 767 return false; ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 768 } 4644d22eb673f1 drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 769 /* Check for unsupported gaps */ 4644d22eb673f1 drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 770 if (nogap && entries[i].entry != i) 4644d22eb673f1 drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 771 return false; ^1da177e4c3f41 drivers/pci/msi.c Linus Torvalds 2005-04-16 772 } bab65e48cb064d drivers/pci/msi/msi.c Thomas Gleixner 2022-11-11 773 return true; 3ac020e0ca8bef drivers/pci/msi.c Christoph Hellwig 2016-07-12 774 } 7bd007e480672c drivers/pci/msi.c Eric W. Biederman 2006-10-04 775 :::::: The code at line 763 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests