From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 6E21571750 for ; Fri, 30 Aug 2024 04:19:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724991593; cv=none; b=KYz7mti4LzmNuS78G/0lhMUYdH2cm4HFnwthmTkPKEq0VtQFA6J+tgR9hGM0pwvP2aEewin4k+pZcR5niQ3FOg9hhPFbFP8TbZDL5hi+PTY/2iB2l53jzqxVKz5pMcjC6NtOjfm9U/yuXICjGNCs31VgJupypj4NRD8tGlmxtI0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724991593; c=relaxed/simple; bh=IRjEHiV/VXzrzeWTwk74CO6KPhW90RjCbn9FpQpNkoo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=qdErlaKa4hfxvM8XjMf7ZkmbnCFxcyu71uQu57ue0KocUOZrX4y75FhnAyaIA6I3aIxBkMtj23lxyDAXe1yndiqspcYopkLIMtlQnbzm1jGOO/MDvbTX0tiFNLXUj0raRx7equTOybiw5fgbjlnD2pV+W6XlbSIRrZmf2GAQa8Q= 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=CoUJ4afL; arc=none smtp.client-ip=192.198.163.10 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="CoUJ4afL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724991592; x=1756527592; h=date:from:to:cc:subject:message-id:mime-version; bh=IRjEHiV/VXzrzeWTwk74CO6KPhW90RjCbn9FpQpNkoo=; b=CoUJ4afL4DGCa8YZLYuANvjtOtA3Qf6LSLgEi21qd24uyfoxqCSaUz0m il1Xk20Eu1f/6rX41NLX+c4iplB2rh2l07B8Bg4ClUCI9u3ewzMgsPa50 pEpjU7d2A2y1TBzQiF3PbO2R8CuK52WjomR0Kk41H4IJ24ujYijW7r4ak 5egg+3eKoLsQeh5G94XrF/Yc5YNxQMeRsy1BYI1uwjGuDQzXlVlYaIkYg tzvBhCm9FlI3r6T2d/pbVQbeX2QaWndLN51/Wzm63cKV27vgZkGh57Yc4 fuig0FsK3Ss4zRj1AVjGXjP0YcAOhcCcFsOvjUwzrUt6lQsahIlZo9KSj g==; X-CSE-ConnectionGUID: nUYs4qTcQ/utus9VA1Eonw== X-CSE-MsgGUID: 7wn/qlbpQOywYu8wTPIV8A== X-IronPort-AV: E=McAfee;i="6700,10204,11179"; a="35026567" X-IronPort-AV: E=Sophos;i="6.10,187,1719903600"; d="scan'208";a="35026567" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Aug 2024 21:19:52 -0700 X-CSE-ConnectionGUID: UXfccF5ARdGCUDb/zR/vlw== X-CSE-MsgGUID: se+YXUx3Qd+mXhBh2+kGIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,187,1719903600"; d="scan'208";a="63974422" Received: from lkp-server01.sh.intel.com (HELO 9c6b1c7d3b50) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 29 Aug 2024 21:19:50 -0700 Received: from kbuild by 9c6b1c7d3b50 with local (Exim 4.96) (envelope-from ) id 1sjt6y-000120-1G; Fri, 30 Aug 2024 04:19:48 +0000 Date: Fri, 30 Aug 2024 12:18:49 +0800 From: kernel test robot To: jason.zeng@intel.com, wu.zheng@intel.com, pei.p.jia@intel.com Cc: oe-kbuild-all@lists.linux.dev Subject: [bytedance:5.15-velinux 5521/23944] drivers/bytedance/blackholefs/file.c:28:15: warning: variable 'fname' set but not used Message-ID: <202408301228.Wi06EmX1-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://github.com/bytedance/kernel.git 5.15-velinux head: 114077d3641f55e0727e810a4f1277a658f703b7 commit: 658231c84c81b024c130b724cf9f12e5b018528d [5521/23944] bytedance: driver: blackholefs: Add blackholefs driver config: x86_64-bytedance-5.15-velinux (https://download.01.org/0day-ci/archive/20240830/202408301228.Wi06EmX1-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240830/202408301228.Wi06EmX1-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/202408301228.Wi06EmX1-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/bytedance/blackholefs/file.c: In function 'blackholefs_read': >> drivers/bytedance/blackholefs/file.c:28:15: warning: variable 'fname' set but not used [-Wunused-but-set-variable] 28 | char *fname = "UNKNOWN"; | ^~~~~ drivers/bytedance/blackholefs/file.c: In function 'blackholefs_write': drivers/bytedance/blackholefs/file.c:62:15: warning: variable 'fname' set but not used [-Wunused-but-set-variable] 62 | char *fname = "UNKNOWN"; | ^~~~~ vim +/fname +28 drivers/bytedance/blackholefs/file.c 23 24 ssize_t blackholefs_read(struct file *f, char __user *ubuf, size_t s, 25 loff_t *off) 26 { 27 loff_t read_size; > 28 char *fname = "UNKNOWN"; 29 30 TRACE(); 31 if (!f->f_inode) { 32 ERROR(); 33 return 0; 34 } 35 36 if (f->f_path.dentry && f->f_path.dentry->d_name.name) 37 fname = (char*)f->f_path.dentry->d_name.name; 38 39 if (*off >= f->f_inode->i_size) 40 return 0; 41 42 DEBUG("[READ][%s] : f->f_pos = %lld, off = %lld, size = %ld, inode->i_size = %lld\n", 43 fname, f->f_pos, *off, s, f->f_inode->i_size); 44 45 if ((*off + s ) >= f->f_inode->i_size) 46 read_size = f->f_inode->i_size - *off; 47 else 48 read_size = s; 49 50 *off += read_size; 51 if(clear_user(ubuf, s)) { 52 ERROR(); 53 } 54 55 return read_size; 56 } 57 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki