From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 7E74638DC7 for ; Thu, 15 Aug 2024 03:47:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723693681; cv=none; b=IJrLvbhwAFotV75VeEgsCAAqDjJpzGFu/L+cAdP4wVDi8up6bBL9dZJAkhm81QKdBC6sVRccgG3K/itjtdKTGVoZXPGhuQd8iwUtxG1aUF3xHYPtBX4EcY0Fg71UqTPdV5uYHYV2nO7nL5Kgji7nXZ2UtJlRqDdDo7b/4sN/UVE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723693681; c=relaxed/simple; bh=8jdHYyzrVxI2ZpkL5OVz0sF9lPZiBIy28lyVU46/0os=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sZ+E1GIH/gPE+uFOmTbnxsBJif3lBkWajciUrVxbwdTSr1ASuxp60qROmI5PF74x3ZxbKZQ8suULbxO8hruwjTABwIfoHqAnoouMa5jpQbMEmHgiIrZ2qidQ+3oW0/lYF44unF9R8RbtKXn6tTSBkZyj324mlJISmYtNNpueVdM= 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=kAOsmiZ5; arc=none smtp.client-ip=198.175.65.12 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="kAOsmiZ5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1723693679; x=1755229679; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8jdHYyzrVxI2ZpkL5OVz0sF9lPZiBIy28lyVU46/0os=; b=kAOsmiZ5bvUI5SSy7DNz642Thqg7INNpnP45jaUnB+0k8jo5XeLSQaC1 9adx7HRzcA6TCmmYrlrmisgC0cT1HCRFqvx22myRm5O/0CLDWCuEayjdy XQ9wPjUgmU0jni5XZwBrJ+MhDiBP/gkNEWeqiCMnlKF9tPTJp3+B5WRrD hzCTNjiKAd51HA3Qt/jHgTovSJzrhifStpF8GX4Z1D2DpgyewzH+YTu2P dDutKCzvtIO6+CiKnP/lPGuG5zYxWvis1AAzYlrlMaz638ft+6jDM8yCY cRKfTOr4mzm47q3ronYtgGfuk6Ab+xNyDEIoyXNswhfgSKj/3joRuzw6A A==; X-CSE-ConnectionGUID: Lat7vHsdTTePP4JurlEaHA== X-CSE-MsgGUID: nPgGyE21Q0aiqfOwUdv57w== X-IronPort-AV: E=McAfee;i="6700,10204,11164"; a="33331257" X-IronPort-AV: E=Sophos;i="6.10,147,1719903600"; d="scan'208";a="33331257" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Aug 2024 20:47:56 -0700 X-CSE-ConnectionGUID: Vx3Y+Qj2RR6DU6eAAKk/kA== X-CSE-MsgGUID: uBrNHq4XTNq2JJg9geNZCw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,147,1719903600"; d="scan'208";a="59389058" Received: from lkp-server01.sh.intel.com (HELO 9a732dc145d3) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 14 Aug 2024 20:47:54 -0700 Received: from kbuild by 9a732dc145d3 with local (Exim 4.96) (envelope-from ) id 1seRSp-00039k-2G; Thu, 15 Aug 2024 03:47:51 +0000 Date: Thu, 15 Aug 2024 11:47:49 +0800 From: kernel test robot To: bajing , w.d.hubbs@gmail.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, chris@the-brannons.com, kirk@reisers.ca, samuel.thibault@ens-lyon.org, nicolas@fjasle.eu, masahiroy@kernel.org, speakup@linux-speakup.org, linux-kernel@vger.kernel.org, bajing Subject: Re: [PATCH] speakup: genmap: initialization the variable Message-ID: <202408151133.RcP4kFGW-lkp@intel.com> References: <20240814030243.2138-1-bajing@cmss.chinamobile.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240814030243.2138-1-bajing@cmss.chinamobile.com> Hi bajing, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.11-rc3 next-20240814] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/bajing/speakup-genmap-initialization-the-variable/20240815-000631 base: linus/master patch link: https://lore.kernel.org/r/20240814030243.2138-1-bajing%40cmss.chinamobile.com patch subject: [PATCH] speakup: genmap: initialization the variable config: x86_64-randconfig-005-20240815 (https://download.01.org/0day-ci/archive/20240815/202408151133.RcP4kFGW-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240815/202408151133.RcP4kFGW-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/202408151133.RcP4kFGW-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/accessibility/speakup/genmap.c:75:3: warning: variable 'lc' is uninitialized when used here [-Wuninitialized] 75 | lc++; | ^~ drivers/accessibility/speakup/genmap.c:52:31: note: initialize the variable 'lc' to silence this warning 52 | int value, shift_state, i, lc, spk_val = 0, lock_val = 0; | ^ | = 0 1 warning generated. vim +/lc +75 drivers/accessibility/speakup/genmap.c 6a5c94d92699b7 Samuel Thibault 2022-06-12 48 6a5c94d92699b7 Samuel Thibault 2022-06-12 49 int 6a5c94d92699b7 Samuel Thibault 2022-06-12 50 main(int argc, char *argv[]) 6a5c94d92699b7 Samuel Thibault 2022-06-12 51 { 1cb16586b0aba7 bajing 2024-08-14 52 int value, shift_state, i, lc, spk_val = 0, lock_val = 0; 6a5c94d92699b7 Samuel Thibault 2022-06-12 53 int max_key_used = 0, num_keys_used = 0; 6a5c94d92699b7 Samuel Thibault 2022-06-12 54 struct st_key *this; 6a5c94d92699b7 Samuel Thibault 2022-06-12 55 struct st_key_init *p_init; 6a5c94d92699b7 Samuel Thibault 2022-06-12 56 char buffer[256]; 6a5c94d92699b7 Samuel Thibault 2022-06-12 57 6a5c94d92699b7 Samuel Thibault 2022-06-12 58 bzero(key_table, sizeof(key_table)); 6a5c94d92699b7 Samuel Thibault 2022-06-12 59 bzero(key_data, sizeof(key_data)); 6a5c94d92699b7 Samuel Thibault 2022-06-12 60 6a5c94d92699b7 Samuel Thibault 2022-06-12 61 shift_table[0] = 0; 6a5c94d92699b7 Samuel Thibault 2022-06-12 62 for (i = 1; i <= 16; i++) 6a5c94d92699b7 Samuel Thibault 2022-06-12 63 shift_table[i] = -1; 6a5c94d92699b7 Samuel Thibault 2022-06-12 64 6a5c94d92699b7 Samuel Thibault 2022-06-12 65 if (argc < 2) { 6a5c94d92699b7 Samuel Thibault 2022-06-12 66 fputs("usage: genmap filename\n", stderr); 6a5c94d92699b7 Samuel Thibault 2022-06-12 67 exit(1); 6a5c94d92699b7 Samuel Thibault 2022-06-12 68 } 6a5c94d92699b7 Samuel Thibault 2022-06-12 69 6a5c94d92699b7 Samuel Thibault 2022-06-12 70 for (p_init = init_key_data; p_init->name[0] != '.'; p_init++) 6a5c94d92699b7 Samuel Thibault 2022-06-12 71 add_key(p_init->name, p_init->value, p_init->shift); 6a5c94d92699b7 Samuel Thibault 2022-06-12 72 6a5c94d92699b7 Samuel Thibault 2022-06-12 73 open_input(NULL, argv[1]); 6a5c94d92699b7 Samuel Thibault 2022-06-12 74 while (fgets(buffer, sizeof(buffer), infile)) { 6a5c94d92699b7 Samuel Thibault 2022-06-12 @75 lc++; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki