From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 891EA18FDD0 for ; Wed, 27 Nov 2024 15:51:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732722676; cv=none; b=ffEGfcqh6aC6imhqKL07as9WbeP/qfAJ/5QT+HTvVoKOE7XZhGqJNCM8L52hLJY7FslURwdhKLsNYfiLOlWduCPsueW77ORuHHcjRPbHKdJ1ulYbXoa2bXqh/XlzdHhRTcQzuiPVxkLFxAptLMLyvU2K+G+kMFHiLUPNxH9Hc+U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732722676; c=relaxed/simple; bh=l7p6UVW2rGpUMzFLzWHD98X/T8pDHdCd7ZeaMvcqjxk=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=WYmsgGCmGWkBP0/rkFUFCLYPxmvn2rAyjFPwBH7vSy1CBZxLB1RlDQpZxfqL3DyPQBW9LIl51U2yNj2srKQa3d4pz8HTQxB09tgECbvC7YMjsHfLKieIa3AdI3Ks9CapasGSoCew4E+m/Q/Of7GivKcKWUD0QHGs1Cln73E1I7U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Xli8Ezsa; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Xli8Ezsa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1732722674; x=1764258674; h=date:from:to:cc:subject:message-id:mime-version; bh=l7p6UVW2rGpUMzFLzWHD98X/T8pDHdCd7ZeaMvcqjxk=; b=Xli8EzsafdCydvDWMIi+jBgpwhobhzUErSvWHOmZEqaA3wbaAMbol1g4 U/bjI6EPyZdYf+FY7Nf4HBi8Y5kh5dbv8iezhAyWwE6loYV3AoIh+Avt+ TmrDuF95H7mVlsYQlCOnhIHXiecKyw3+pX3t9wMnRViy5FsP6vjb4jI7D Ui7bqqpiAgAucKYtCWFJtND9W3RdjSwLQqBMWNLUEdoZLleDDcQTcaUQf IOC7atIoLT++VYxb+G1X5MWodSoTf3zk8XrZGiCHWnQUnDwKhjWBbIaiw gkDkzf7703w5Svhp4EIaBtfPI3ZG8CzOWDKq9jypXQINGdmzCUHmXI+Jy w==; X-CSE-ConnectionGUID: OJfHLf7gRIe33pIoNVF/zw== X-CSE-MsgGUID: 97f3JOdqQEaz0LeMz1X2Iw== X-IronPort-AV: E=McAfee;i="6700,10204,11269"; a="36597567" X-IronPort-AV: E=Sophos;i="6.12,189,1728975600"; d="scan'208";a="36597567" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Nov 2024 07:51:13 -0800 X-CSE-ConnectionGUID: EqPeAnQqRZKwOWuLZyWbjA== X-CSE-MsgGUID: km/811K2SfGEc5ixOxJWpQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,189,1728975600"; d="scan'208";a="96921892" Received: from lkp-server01.sh.intel.com (HELO 8122d2fc1967) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 27 Nov 2024 07:51:12 -0800 Received: from kbuild by 8122d2fc1967 with local (Exim 4.96) (envelope-from ) id 1tGKJp-00086Z-0x; Wed, 27 Nov 2024 15:51:09 +0000 Date: Wed, 27 Nov 2024 23:50:27 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [openeuler:OLK-5.10 2490/2490] drivers/thermal/intel/intel_hfi.c:245 hfi_update_work_fn() warn: can 'hfi_instance' even be NULL? Message-ID: <202411272348.6eld5bPC-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: kernel@openeuler.org TO: Jun Tian Hi Srinivas, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 68b0fb4e955465eef28bed1f5a252c4e6c636a36 commit: d1b287f6c142193c6dc5a5abfe2fe59e2f03cee6 [2490/2490] thermal: netlink: Add a new event to notify CPU capabilities change :::::: branch date: 7 hours ago :::::: commit date: 2 years, 5 months ago config: x86_64-randconfig-161-20241127 (https://download.01.org/0day-ci/archive/20241127/202411272348.6eld5bPC-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202411272348.6eld5bPC-lkp@intel.com/ smatch warnings: drivers/thermal/intel/intel_hfi.c:245 hfi_update_work_fn() warn: can 'hfi_instance' even be NULL? vim +/hfi_instance +245 drivers/thermal/intel/intel_hfi.c 07dc6e0b04d8ec Ricardo Neri 2022-01-27 238 07dc6e0b04d8ec Ricardo Neri 2022-01-27 239 static void hfi_update_work_fn(struct work_struct *work) 07dc6e0b04d8ec Ricardo Neri 2022-01-27 240 { 07dc6e0b04d8ec Ricardo Neri 2022-01-27 241 struct hfi_instance *hfi_instance; 07dc6e0b04d8ec Ricardo Neri 2022-01-27 242 07dc6e0b04d8ec Ricardo Neri 2022-01-27 243 hfi_instance = container_of(to_delayed_work(work), struct hfi_instance, 07dc6e0b04d8ec Ricardo Neri 2022-01-27 244 update_work); 07dc6e0b04d8ec Ricardo Neri 2022-01-27 @245 if (!hfi_instance) 07dc6e0b04d8ec Ricardo Neri 2022-01-27 246 return; 07dc6e0b04d8ec Ricardo Neri 2022-01-27 247 b0b8a4822c7764 Srinivas Pandruvada 2022-01-27 248 update_capabilities(hfi_instance); 07dc6e0b04d8ec Ricardo Neri 2022-01-27 249 } 07dc6e0b04d8ec Ricardo Neri 2022-01-27 250 :::::: The code at line 245 was first introduced by commit :::::: 07dc6e0b04d8eca2963e138452d5b24af8f82b28 thermal: intel: hfi: Enable notification interrupt :::::: TO: Ricardo Neri :::::: CC: Jun Tian -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki