From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) (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 C19C3482D1 for ; Wed, 20 Dec 2023 18:22:08 +0000 (UTC) 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="AbUu5K1z" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1703096528; x=1734632528; h=date:from:to:cc:subject:message-id:mime-version; bh=YrErcvvzB3ABH2sCr299nrojZ0K01drOsOKlhqSYKeU=; b=AbUu5K1zH1uJpcUKYkrhHBpEgoxLvJiQ10Up3CZvqXSGSsv+fbel5QgU yTM7StKQ6yDkg0tbAd1DMsvXpep6XD+q0PtY4fLNjLSJEQNl5asyFCx5m ugMivyRUJaD3+9hbsfYmNqHQGa51+sEfGDxGksumCcFVrrrBd4rgLhwC0 dfrVS5e4QIkRD0QEX0xvS3AClUtOz07pex9dvFCIOr9nO3rMnB84Z5HUC Pj/a5W+QD8Afu6uE+TMtI3h9uA04IdcZYMsqACHgxhX/rcjCs/V/zvgIe osOeWGMvghbNxZfeBifcxtRaLLnD9dFdDQDLeudtCA+yOtIXBC9Eo1XX+ Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10930"; a="462303375" X-IronPort-AV: E=Sophos;i="6.04,291,1695711600"; d="scan'208";a="462303375" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2023 10:22:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.04,291,1695711600"; d="scan'208";a="24659465" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orviesa001.jf.intel.com with ESMTP; 20 Dec 2023 10:22:07 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rG1Cm-0007KB-1Z; Wed, 20 Dec 2023 18:22:04 +0000 Date: Thu, 21 Dec 2023 02:21:05 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH 2/2] PM: domains: Move genpd and its governor to the pmdomain subsystem Message-ID: <202312210228.bcE94X2N-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 In-Reply-To: <20231213113305.29098-1-ulf.hansson@linaro.org> References: <20231213113305.29098-1-ulf.hansson@linaro.org> TO: Ulf Hansson Hi Ulf, kernel test robot noticed the following build warnings: [auto build test WARNING on rafael-pm/linux-next] [also build test WARNING on rafael-pm/acpi-bus linus/master v6.7-rc6] [cannot apply to rafael-pm/devprop next-20231220] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ulf-Hansson/PM-domains-Move-genpd-and-its-governor-to-the-pmdomain-subsystem/20231213-193436 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20231213113305.29098-1-ulf.hansson%40linaro.org patch subject: [PATCH 2/2] PM: domains: Move genpd and its governor to the pmdomain subsystem :::::: branch date: 7 days ago :::::: commit date: 7 days ago config: powerpc64-randconfig-r071-20231220 (https://download.01.org/0day-ci/archive/20231221/202312210228.bcE94X2N-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/202312210228.bcE94X2N-lkp@intel.com/ smatch warnings: drivers/pmdomain/core.c:427 genpd_dev_pm_set_performance_state() error: 'genpd' dereferencing possible ERR_PTR() drivers/pmdomain/core.c:822 genpd_dev_pm_start() error: 'genpd' dereferencing possible ERR_PTR() vim +/genpd +427 drivers/pmdomain/core.c 5937c3ce21228d drivers/base/power/domain.c Ulf Hansson 2021-06-03 420 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 421 static int genpd_dev_pm_set_performance_state(struct device *dev, 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 422 unsigned int state) 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 423 { 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 424 struct generic_pm_domain *genpd = dev_to_genpd(dev); 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 425 int ret = 0; 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 426 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 @427 genpd_lock(genpd); 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 428 if (pm_runtime_suspended(dev)) { 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 429 dev_gpd_data(dev)->rpm_pstate = state; 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 430 } else { 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 431 ret = genpd_set_performance_state(dev, state); 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 432 if (!ret) 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 433 dev_gpd_data(dev)->rpm_pstate = 0; 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 434 } 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 435 genpd_unlock(genpd); 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 436 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 437 return ret; 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 438 } 401e09201a0118 drivers/base/power/domain.c Ulf Hansson 2023-09-25 439 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki