From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 6BEE917E1; Sun, 12 Nov 2023 02:02:52 +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="e3+OE1H7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1699754572; x=1731290572; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=zYgV3EeWTUWInSYElFdO19myYIuDelV579co8Zr1cYA=; b=e3+OE1H72WCvdP9b5UKhvA7gBuw+E2y/sIDIaMrQYXsrMdcm8EueU4zL QqLsB5N3VGOY65UPa0sK1T7p14pwPKrlfD3droTFrdM1odKxbkdI1+7K0 R7TfoHbpxFdDGxHibDGsG8gKuopx1wi0tYSzr/Sy+k3tSPLuNlQY98/eR oCexk/WbFVm3pkiVpyLaTgCIesJffwEr2QQvsfKlWH9NUXa2Wbiq4eeQO LCkI9FMDi4KOC+VtivBb1/2GCFpQQ6yGOH3+L23LmKMBNCUaGZH1RJZYy F31VK3WAs/EOnpP+r2+Uru4jKNh7izWcTi7mzFiy6siSznDJ7FhUU/EiD w==; X-IronPort-AV: E=McAfee;i="6600,9927,10891"; a="11857531" X-IronPort-AV: E=Sophos;i="6.03,296,1694761200"; d="scan'208";a="11857531" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Nov 2023 18:02:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.03,296,1694761200"; d="scan'208";a="11761982" Received: from lkp-server01.sh.intel.com (HELO 17d9e85e5079) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 11 Nov 2023 18:02:47 -0800 Received: from kbuild by 17d9e85e5079 with local (Exim 4.96) (envelope-from ) id 1r1zoC-000AsW-2c; Sun, 12 Nov 2023 02:02:44 +0000 Date: Sun, 12 Nov 2023 10:02:36 +0800 From: kernel test robot To: Bean Huo , avri.altman@wdc.com, bvanassche@acm.org, alim.akhtar@samsung.com, jejb@linux.ibm.com, martin.petersen@oracle.com, stanley.chu@mediatek.com, mani@kernel.org, quic_cang@quicinc.com, quic_asutoshd@quicinc.com, beanhuo@micron.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, mikebi@micron.com, lporzio@micron.com Subject: Re: [PATCH v1 2/2] scsi: ufs: core: Add sysfs node for UFS RTC update Message-ID: <202311120923.S1Zbpb0s-lkp@intel.com> References: <20231109125217.185462-3-beanhuo@iokpp.de> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231109125217.185462-3-beanhuo@iokpp.de> Hi Bean, kernel test robot noticed the following build warnings: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on jejb-scsi/for-next linus/master v6.6 next-20231110] [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/Bean-Huo/scsi-ufs-core-Add-UFS-RTC-support/20231110-051048 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next patch link: https://lore.kernel.org/r/20231109125217.185462-3-beanhuo%40iokpp.de patch subject: [PATCH v1 2/2] scsi: ufs: core: Add sysfs node for UFS RTC update config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20231112/202311120923.S1Zbpb0s-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231112/202311120923.S1Zbpb0s-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202311120923.S1Zbpb0s-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/ufs/core/ufs-sysfs.c:276:6: warning: variable 'resume_period_update' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] 276 | if (!hba->dev_info.rtc_update_period && ms > 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ufs/core/ufs-sysfs.c:281:6: note: uninitialized use occurs here 281 | if (resume_period_update) | ^~~~~~~~~~~~~~~~~~~~ drivers/ufs/core/ufs-sysfs.c:276:2: note: remove the 'if' if its condition is always true 276 | if (!hba->dev_info.rtc_update_period && ms > 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 277 | resume_period_update = true; | ~~~~~~~~~~~~~~~~ >> drivers/ufs/core/ufs-sysfs.c:276:6: warning: variable 'resume_period_update' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized] 276 | if (!hba->dev_info.rtc_update_period && ms > 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ufs/core/ufs-sysfs.c:281:6: note: uninitialized use occurs here 281 | if (resume_period_update) | ^~~~~~~~~~~~~~~~~~~~ drivers/ufs/core/ufs-sysfs.c:276:6: note: remove the '&&' if its condition is always true 276 | if (!hba->dev_info.rtc_update_period && ms > 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/ufs/core/ufs-sysfs.c:271:27: note: initialize the variable 'resume_period_update' to silence this warning 271 | bool resume_period_update; | ^ | = 0 2 warnings generated. vim +276 drivers/ufs/core/ufs-sysfs.c 265 266 static ssize_t rtc_update_ms_store(struct device *dev, struct device_attribute *attr, 267 const char *buf, size_t count) 268 { 269 struct ufs_hba *hba = dev_get_drvdata(dev); 270 unsigned int ms; 271 bool resume_period_update; 272 273 if (kstrtouint(buf, 0, &ms)) 274 return -EINVAL; 275 > 276 if (!hba->dev_info.rtc_update_period && ms > 0) 277 resume_period_update = true; 278 /* Minimum and maximum update frequency should be synchronized with all UFS vendors */ 279 hba->dev_info.rtc_update_period = ms; 280 281 if (resume_period_update) 282 schedule_delayed_work(&hba->ufs_rtc_delayed_work, 283 msecs_to_jiffies(hba->dev_info.rtc_update_period)); 284 return count; 285 } 286 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki