From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (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 16EA67E for ; Mon, 25 Apr 2022 16:34:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650904465; x=1682440465; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ZYTVedgyRPyp5vY18ocyoCSbrb5gKagd4hpHITPwGkg=; b=dlicGbBXIhez5K5Joo5yQzaiL/HYWd0W/47lcVME8scj/NkqeW8EdByg q7nVjn4YG5y9ySfYsKGM6CS4QKGSTaZV6EvsVnHIpebG8Gf+opkGvfRSP VjF4tB1WZvdV5MkIbt3/lmgzxsVOCEMPzG9bK24Qg/sobIfpOG/U+jsTj IU7q8rh6Pm4uAIG7Pkh2cRuko3DHgOqdozrKr4RrkUV5H349Ygk6BmzeC PDIkzT94cHWOInc8qKwrSFaqlGvfV+OqEKbYnIt//RkH8DbPSUwESxpRj layqpkEQJiG2dood7CjJGKLDcBFvHFmmqoJOWhU2hAKNcWWW8Phs3o30j Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10328"; a="325786912" X-IronPort-AV: E=Sophos;i="5.90,288,1643702400"; d="scan'208";a="325786912" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Apr 2022 09:34:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,288,1643702400"; d="scan'208";a="537670469" Received: from lkp-server01.sh.intel.com (HELO 5056e131ad90) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 25 Apr 2022 09:34:22 -0700 Received: from kbuild by 5056e131ad90 with local (Exim 4.95) (envelope-from ) id 1nj1fJ-0002hC-8X; Mon, 25 Apr 2022 16:34:21 +0000 Date: Tue, 26 Apr 2022 00:33:59 +0800 From: kernel test robot To: cgel.zte@gmail.com, dan.j.williams@intel.com Cc: kbuild-all@lists.01.org, vishal.l.verma@intel.com, dave.jiang@intel.com, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, Minghao Chi , Zeal Robot Subject: Re: [PATCH] device-dax: use kobj_to_dev() Message-ID: <202204260044.wlRoUZiW-lkp@intel.com> References: <20220425105307.3515215-1-chi.minghao@zte.com.cn> Precedence: bulk X-Mailing-List: nvdimm@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: <20220425105307.3515215-1-chi.minghao@zte.com.cn> Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.18-rc4 next-20220422] [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] url: https://github.com/intel-lab-lkp/linux/commits/cgel-zte-gmail-com/device-dax-use-kobj_to_dev/20220425-185400 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git af2d861d4cd2a4da5137f795ee3509e6f944a25b config: i386-randconfig-r016-20220425 (https://download.01.org/0day-ci/archive/20220426/202204260044.wlRoUZiW-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/83eff180ded41da8e042373de81fa823835a1be0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review cgel-zte-gmail-com/device-dax-use-kobj_to_dev/20220425-185400 git checkout 83eff180ded41da8e042373de81fa823835a1be0 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/dax/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/dax/bus.c: In function 'dax_region_visible': >> drivers/dax/bus.c:516:9: error: expected ',' or ';' before 'struct' 516 | struct dax_region *dax_region = dev_get_drvdata(dev); | ^~~~~~ >> drivers/dax/bus.c:518:23: error: 'dax_region' undeclared (first use in this function) 518 | if (is_static(dax_region)) | ^~~~~~~~~~ drivers/dax/bus.c:518:23: note: each undeclared identifier is reported only once for each function it appears in drivers/dax/bus.c:515:24: warning: unused variable 'dev' [-Wunused-variable] 515 | struct device *dev = kobj_to_dev(kobj) | ^~~ vim +516 drivers/dax/bus.c 0f3da14a4f0503 Dan Williams 2020-10-13 511 c2f3011ee697f8 Dan Williams 2020-10-13 512 static umode_t dax_region_visible(struct kobject *kobj, struct attribute *a, c2f3011ee697f8 Dan Williams 2020-10-13 513 int n) c2f3011ee697f8 Dan Williams 2020-10-13 514 { 83eff180ded41d Minghao Chi 2022-04-25 515 struct device *dev = kobj_to_dev(kobj) c2f3011ee697f8 Dan Williams 2020-10-13 @516 struct dax_region *dax_region = dev_get_drvdata(dev); c2f3011ee697f8 Dan Williams 2020-10-13 517 0f3da14a4f0503 Dan Williams 2020-10-13 @518 if (is_static(dax_region)) 0f3da14a4f0503 Dan Williams 2020-10-13 519 if (a == &dev_attr_available_size.attr 0f3da14a4f0503 Dan Williams 2020-10-13 520 || a == &dev_attr_create.attr 0f3da14a4f0503 Dan Williams 2020-10-13 521 || a == &dev_attr_seed.attr 0f3da14a4f0503 Dan Williams 2020-10-13 522 || a == &dev_attr_delete.attr) c2f3011ee697f8 Dan Williams 2020-10-13 523 return 0; c2f3011ee697f8 Dan Williams 2020-10-13 524 return a->mode; c2f3011ee697f8 Dan Williams 2020-10-13 525 } c2f3011ee697f8 Dan Williams 2020-10-13 526 -- 0-DAY CI Kernel Test Service https://01.org/lkp