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 A11AEC04A68 for ; Wed, 27 Jul 2022 12:24:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232902AbiG0MYZ (ORCPT ); Wed, 27 Jul 2022 08:24:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230035AbiG0MYX (ORCPT ); Wed, 27 Jul 2022 08:24:23 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 468C645F5B for ; Wed, 27 Jul 2022 05:24:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658924662; x=1690460662; h=date:from:to:cc:subject:message-id:mime-version; bh=BTfWJ5YkCqWlVDNOuJcNi+zyYR54OTfBH59W530eXqk=; b=XO0t1mGphoswxfwrkxWznq91FsoNF2dKT0AVDbpYTD2qfKLvnIkQTa4I 0KgKW4AwIcKIcJuFMQSyclc09Jk2BrhQx6xMrxxJfiGfi5f/i9U4kA02D +RVDUdDTd+QLIRUdvaHP2NKKTLgaNtRCbZyVgqKse3U/m4reKHWn6AUW4 ONhY3MEtZllgr0NiWIil7F8t7a+MhKlvx44exFq1dg/FnJ887GPLffDQ0 B2WL6oAVZIc54AAbxw4tUozCX2vgioaDSSyUFmAq85E8QuNnnueXPr3e+ F2INWdSnHnX6vZGEU6Cs/fo8v2x0ASPVVXMbTluu1NA9eLDVDS86fkpsF w==; X-IronPort-AV: E=McAfee;i="6400,9594,10420"; a="286974472" X-IronPort-AV: E=Sophos;i="5.93,195,1654585200"; d="scan'208";a="286974472" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2022 05:24:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,195,1654585200"; d="scan'208";a="776684694" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 27 Jul 2022 05:24:20 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oGg5M-0008hl-0g; Wed, 27 Jul 2022 12:24:20 +0000 Date: Wed, 27 Jul 2022 20:23:27 +0800 From: kernel test robot To: Dongjin Kim Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [tobetter:odroid-5.19.y 78/99] drivers/gpu/drm/tiny/ili9488_pio.c:335:36: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202207272019.ttAMYBVJ-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 Hi Dongjin, First bad commit (maybe != root cause): tree: https://github.com/tobetter/linux odroid-5.19.y head: c7c464300e75e7dc0e654a0550f885685d92a092 commit: c2ea0f2f2bc571f7a2a63b1acc3d84b9b23621bb [78/99] ODROID-COMMON: Revert "drm/dbi: Print errors for mipi_dbi_command()" config: sparc64-randconfig-s051-20220727 (https://download.01.org/0day-ci/archive/20220727/202207272019.ttAMYBVJ-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/tobetter/linux/commit/c2ea0f2f2bc571f7a2a63b1acc3d84b9b23621bb git remote add tobetter https://github.com/tobetter/linux git fetch --no-tags tobetter odroid-5.19.y git checkout c2ea0f2f2bc571f7a2a63b1acc3d84b9b23621bb # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/gpu/drm/tiny/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/tiny/ili9488_pio.c:335:36: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tiny/ili9488_pio.c:336:47: sparse: sparse: Using plain integer as NULL pointer vim +335 drivers/gpu/drm/tiny/ili9488_pio.c 74edc5034eba24 Dongjin Kim 2021-02-09 333 74edc5034eba24 Dongjin Kim 2021-02-09 334 static const struct of_device_id ili9488_dt_ids[] = { 74edc5034eba24 Dongjin Kim 2021-02-09 @335 { .compatible = "ili9488", 0 }, 74edc5034eba24 Dongjin Kim 2021-02-09 336 { .compatible = "hardkernel,ili9488", 0 }, 74edc5034eba24 Dongjin Kim 2021-02-09 337 { }, 74edc5034eba24 Dongjin Kim 2021-02-09 338 }; 74edc5034eba24 Dongjin Kim 2021-02-09 339 :::::: The code at line 335 was first introduced by commit :::::: 74edc5034eba2493a877af69795d09e191ae3b4e ODROID-COMMON: gpu/drm: Add new Tiny DRM driver with Ili9488 :::::: TO: Dongjin Kim :::::: CC: Dongjin Kim -- 0-DAY CI Kernel Test Service https://01.org/lkp