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 8FCE5C433EF for ; Fri, 10 Dec 2021 13:18:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241577AbhLJNVn (ORCPT ); Fri, 10 Dec 2021 08:21:43 -0500 Received: from mga14.intel.com ([192.55.52.115]:46709 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232766AbhLJNVl (ORCPT ); Fri, 10 Dec 2021 08:21:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639142287; x=1670678287; h=date:from:to:cc:subject:message-id:mime-version; bh=qXHvPl8EYFw0cPEWr70eCPt4Cnru/82z4dlUye24+6c=; b=Gvlzbq2bjkXaqi2+6oSw68jDGCvNhnLPThUgZDZIgTgeWep/r2daE1nT mYFWn0vE+Mcamkk8ZVm7H7Y0s9GT2og3jjAB8c3jxZOpo68uNYoyBq1On plpAhyM1YYvkvVgUWx0zpS4k9tKPbnUV/rWeezsFDF0DryZBHn+GgAdXf uRFgdSGdGfXZNZggQ2LSqDUQHkTuqtqPk8jAR1wrQEawR10kLWSf6Ov74 DhzxFQi2b7D89ESb5mF/4wdI2QlWBfopkdtM4iV33vXFqvC9shnDXZQMF k3yA32FdQCczXSUyjXvdZ9vJN4PnibXr5qP/nKemxDpOIr1vYosxu28kj Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10193"; a="238567132" X-IronPort-AV: E=Sophos;i="5.88,195,1635231600"; d="scan'208";a="238567132" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2021 05:18:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,195,1635231600"; d="scan'208";a="612926658" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga004.jf.intel.com with ESMTP; 10 Dec 2021 05:18:05 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mvfmm-0003EK-H2; Fri, 10 Dec 2021 13:18:04 +0000 Date: Fri, 10 Dec 2021 21:17:08 +0800 From: kernel test robot To: Hannes Reinecke Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [hare-scsi-devel:ata-trace.v4 16/68] drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized Message-ID: <202112102158.vl74bmsi-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git ata-trace.v4 head: 543d0f43ed9c7b04ab463b52f2e59fd406b4bde8 commit: f3e85aba1ba67f2efcc34413ed9546be69229179 [16/68] sata_mv: replace DPRINTK with dynamic debugging config: m68k-randconfig-r006-20211210 (https://download.01.org/0day-ci/archive/20211210/202112102158.vl74bmsi-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 11.2.0 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/hare/scsi-devel.git/commit/?id=f3e85aba1ba67f2efcc34413ed9546be69229179 git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git git fetch --no-tags hare-scsi-devel ata-trace.v4 git checkout f3e85aba1ba67f2efcc34413ed9546be69229179 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/ata/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/ata/sata_mv.c:790:35: warning: 'mv_pci_tbl' defined but not used [-Wunused-const-variable=] 790 | static const struct pci_device_id mv_pci_tbl[] = { | ^~~~~~~~~~ drivers/ata/sata_mv.c: In function 'mv_pci_error': >> drivers/ata/sata_mv.c:1276:30: warning: 'dw' is used uninitialized [-Wuninitialized] 1276 | o += snprintf(linebuf + o, 38 - o, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1277 | "%08x ", dw); | ~~~~~~~~~~~~ drivers/ata/sata_mv.c:1270:13: note: 'dw' was declared here 1270 | u32 dw; | ^~ vim +/dw +1276 drivers/ata/sata_mv.c 1266 1267 static void mv_dump_pci_cfg(struct pci_dev *pdev, unsigned bytes) 1268 { 1269 int b, w, o; 1270 u32 dw; 1271 unsigned char linebuf[38]; 1272 1273 for (b = 0; b < bytes; ) { 1274 for (w = 0, o = 0; b < bytes && w < 4; w++) { 1275 (void) pci_read_config_dword(pdev, b, &dw); > 1276 o += snprintf(linebuf + o, 38 - o, 1277 "%08x ", dw); 1278 b += sizeof(u32); 1279 } 1280 dev_dbg(&pdev->dev, "%s: %02x: %s\n", 1281 __func__, b, linebuf); 1282 } 1283 } 1284 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org