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 DD3D8C433F5 for ; Mon, 20 Dec 2021 14:19:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233552AbhLTOTS (ORCPT ); Mon, 20 Dec 2021 09:19:18 -0500 Received: from mga03.intel.com ([134.134.136.65]:24086 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233576AbhLTOTR (ORCPT ); Mon, 20 Dec 2021 09:19:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1640009957; x=1671545957; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=SmmpPoWknX/04b0LTXOTnTFuxaObwEMDn3ClqW8vP7Y=; b=bTBtBLJcYNLYDGPJQ3GRs+q1MonEdqFFX8Itmmz1hdewBo8M7HoDTKJG eqpyi5cwXsHDInEwXOMd3089o9pqOuZ1dWRHy2raTVJZ5TVBiDQ3kwPTK tMC0rJ3uaikE/qw5HcAMe6doSACz102mgntd+Fmx46bxMHaSXobIjS0l7 gZejk1nKmWv9hjt6mpux3kjQuSDLkrv4Mb10Tk1v+MKhP++sEGZclKYfQ /rGHmrf67j0AN5TJ89B1LLcnGjKs+MkpX0IHG1TBmx/1k6Ug1NHLlwVz3 ycbwQEbBALtmgTwe3npBUEuVbmywqs9SHQK7v5vtXUYL5CCOn5xWzeqHf Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10203"; a="240126979" X-IronPort-AV: E=Sophos;i="5.88,220,1635231600"; d="scan'208";a="240126979" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2021 06:19:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,220,1635231600"; d="scan'208";a="606727518" Received: from lkp-server02.sh.intel.com (HELO 9f38c0981d9f) ([10.239.97.151]) by FMSMGA003.fm.intel.com with ESMTP; 20 Dec 2021 06:19:13 -0800 Received: from kbuild by 9f38c0981d9f with local (Exim 4.92) (envelope-from ) id 1mzJVM-0007r2-6b; Mon, 20 Dec 2021 14:19:08 +0000 Date: Mon, 20 Dec 2021 22:18:18 +0800 From: kernel test robot To: =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= , Srinivas Kandagatla , Greg Kroah-Hartman , "Rafael J . Wysocki" , Jonathan Corbet Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Daniel Vetter , Dan Williams , Bjorn Helgaas , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Heiner Kallweit , linux-doc@vger.kernel.org Subject: Re: [PATCH 1/2] sysfs: add sysfs_add_bin_file_to_group() Message-ID: <202112202254.l5IadaDs-lkp@intel.com> References: <20211220064730.28806-1-zajec5@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20211220064730.28806-1-zajec5@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org Hi "Rafał, I love your patch! Perhaps something to improve: [auto build test WARNING on driver-core/driver-core-testing] [also build test WARNING on char-misc/char-misc-testing linux/master linus/master v5.16-rc6 next-20211217] [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/0day-ci/linux/commits/Rafa-Mi-ecki/sysfs-add-sysfs_add_bin_file_to_group/20211220-144856 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git aa483f3ce655ed9ee4f32d050d1822eec2d20ada config: x86_64-randconfig-r024-20211220 (https://download.01.org/0day-ci/archive/20211220/202112202254.l5IadaDs-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 555eacf75f21cd1dfc6363d73ad187b730349543) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/a9802080b6d35af5dfd7ae847a0978e47caafd59 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Rafa-Mi-ecki/sysfs-add-sysfs_add_bin_file_to_group/20211220-144856 git checkout a9802080b6d35af5dfd7ae847a0978e47caafd59 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/sysfs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> fs/sysfs/file.c:379:5: warning: no previous prototype for function '__sysfs_add_file_to_group' [-Wmissing-prototypes] int __sysfs_add_file_to_group(struct kobject *kobj, ^ fs/sysfs/file.c:379:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int __sysfs_add_file_to_group(struct kobject *kobj, ^ static 1 warning generated. vim +/__sysfs_add_file_to_group +379 fs/sysfs/file.c 372 373 /** 374 * sysfs_add_file_to_group - add an attribute file to a pre-existing group. 375 * @kobj: object we're acting for. 376 * @attr: attribute descriptor. 377 * @group: group name. 378 */ > 379 int __sysfs_add_file_to_group(struct kobject *kobj, 380 const struct attribute *attr, 381 const struct bin_attribute *battr, 382 const char *group) 383 { 384 struct kernfs_node *parent; 385 kuid_t uid; 386 kgid_t gid; 387 int error; 388 389 if (WARN_ON((attr && battr) || (!attr && !battr))) 390 return -EINVAL; 391 392 if (group) { 393 parent = kernfs_find_and_get(kobj->sd, group); 394 } else { 395 parent = kobj->sd; 396 kernfs_get(parent); 397 } 398 399 if (!parent) 400 return -ENOENT; 401 402 kobject_get_ownership(kobj, &uid, &gid); 403 if (attr) 404 error = sysfs_add_file_mode_ns(parent, attr, attr->mode, uid, 405 gid, NULL); 406 else 407 error = sysfs_add_bin_file_mode_ns(parent, battr, battr->attr.mode, 408 uid, gid, NULL); 409 kernfs_put(parent); 410 411 return error; 412 } 413 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org