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 D40DAC43334 for ; Fri, 1 Jul 2022 21:41:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231496AbiGAVlL (ORCPT ); Fri, 1 Jul 2022 17:41:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231478AbiGAVlJ (ORCPT ); Fri, 1 Jul 2022 17:41:09 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C8C358FE1 for ; Fri, 1 Jul 2022 14:41:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656711668; x=1688247668; h=date:from:to:cc:subject:message-id:mime-version; bh=zyicbhnpwSBO58N7CjcObF3NGPBO7eS9T3qcunuEXMQ=; b=X6adKtE6CQpp+uUKO/z5g8ATk0Yt1vODIhdGUlZP9fRfmk044CLiWA61 BWMYV0yoayvNE7hKoR3vGDKOgM1I4ZZBfZvCa/lrO58mDDaqKQyynZKSv Ss3gQSTGjkvS53tBKauwmXA5q5qHp43iQbDYkFbYwy9FPplA35QUSAiHl Bdep/CdohPjCTJQm85W3ZzCbnXThQNF0C+ASKOXY9cIaOyBo0smaVIgaQ pqPFCkn/l+KCyWTLZAEk4Adv3b2d7wofMDik5RKNcPRvWFPKtTkyvaMK+ 9v7OCdHjl58pSm2fMZ2yFbUcfs34BeiIPubKcZtP1Ap9xPZ2/Lbj5IofH Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10395"; a="283481723" X-IronPort-AV: E=Sophos;i="5.92,238,1650956400"; d="scan'208";a="283481723" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2022 14:41:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,238,1650956400"; d="scan'208";a="596405867" Received: from lkp-server01.sh.intel.com (HELO 68b931ab7ac1) ([10.239.97.150]) by fmsmga007.fm.intel.com with ESMTP; 01 Jul 2022 14:41:06 -0700 Received: from kbuild by 68b931ab7ac1 with local (Exim 4.95) (envelope-from ) id 1o7ONt-000ENo-EW; Fri, 01 Jul 2022 21:41:05 +0000 Date: Sat, 2 Jul 2022 05:40:42 +0800 From: kernel test robot To: Pankaj Raghav Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Luis Chamberlain Subject: [mcgrof-next:20220615-dm-zoned-npo2 13/13] drivers/md/dm-zoned-npo2-target.c:62:13: warning: variable 'ret' set but not used Message-ID: <202207020515.LhdrBdTo-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20220615-dm-zoned-npo2 head: 83ef82d1e5f86bc596bc3d9c02410465f0dfc26f commit: 83ef82d1e5f86bc596bc3d9c02410465f0dfc26f [13/13] dm: add non power of 2 zoned target config: csky-allmodconfig (https://download.01.org/0day-ci/archive/20220702/202207020515.LhdrBdTo-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 11.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=83ef82d1e5f86bc596bc3d9c02410465f0dfc26f git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git git fetch --no-tags mcgrof-next 20220615-dm-zoned-npo2 git checkout 83ef82d1e5f86bc596bc3d9c02410465f0dfc26f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash drivers/md/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/md/dm-zoned-npo2-target.c: In function 'dmz_npo2_ctr': >> drivers/md/dm-zoned-npo2-target.c:62:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 62 | int ret = 0; | ^~~ vim +/ret +62 drivers/md/dm-zoned-npo2-target.c 53 54 /* 55 * 56 * This target works on the complete zoned device. Partial mapping is not 57 * supported 58 */ 59 static int dmz_npo2_ctr(struct dm_target *ti, unsigned int argc, char **argv) 60 { 61 struct dmz_npo2_target *dmh = NULL; > 62 int ret = 0; 63 sector_t zsze; 64 sector_t disk_size; 65 66 if (argc < 1) 67 return -EINVAL; 68 69 dmh = kmalloc(sizeof(*dmh), GFP_KERNEL); 70 if (!dmh) 71 return -ENOMEM; 72 73 ret = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), 74 &dmh->dev); 75 76 zsze = blk_queue_zone_sectors(bdev_get_queue(dmh->dev->bdev)); 77 78 disk_size = get_capacity(dmh->dev->bdev->bd_disk); 79 80 if (ti->len != disk_size || ti->begin) { 81 DMERR("%pg Partial mapping of the target not supported", 82 dmh->dev->bdev); 83 return -EINVAL; 84 } 85 86 if (is_power_of_2(zsze)) { 87 DMERR("%pg zone size is power of 2", dmh->dev->bdev); 88 return -EINVAL; 89 } 90 91 dmh->zsze = zsze; 92 dmh->zsze_po2 = 1 << get_count_order_long(zsze); 93 dmh->zsze_diff = dmh->zsze_po2 - dmh->zsze; 94 95 ti->private = dmh; 96 ti->num_flush_bios = 1; 97 ti->num_discard_bios = 1; 98 ti->num_secure_erase_bios = 1; 99 ti->num_write_zeroes_bios = 1; 100 101 dmh->nr_zones = npo2_zone_no(dmh, ti->len); 102 ti->len = dmh->zsze_po2 * dmh->nr_zones; 103 104 return 0; 105 } 106 -- 0-DAY CI Kernel Test Service https://01.org/lkp