From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 4C9A3E555 for ; Sat, 13 Dec 2025 00:33:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765586027; cv=none; b=fCoiVqE3W4YowKGrFM8gxFYaiOpgXkEeuJWZerai4xaeJfbOFY2K8VWagSb9E4CvdH7JYZL1aBARuUn3tuDzoyeR6/jQBjUMl7dObb57Kr/gGa9RTxuikYkxm+fn1xbJPVU0+1+5a+CPauYdoZ5IC2Gs/smltgqPSgk90JNbwxY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765586027; c=relaxed/simple; bh=Ig0zz7dGi7wTjwVgT81OcMaLXuxG/sVAoe272we7ORw=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=fQ8a8GPZuiob0MXe0Gw8FNurYasTJFmU5hwwgAeRU3GiBNTUwphiNWRUlGTzDZiNWPzywfRPbJKONcx5J2mrYxOdvyJolprpliCuoQbFvhQeJzCIQRkFrPd7jcbPPCkEWncakk21mcgBHhWKiW1sOCOpCGV7lAPYOpxmqUk14qA= 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=XYu5XAES; arc=none smtp.client-ip=192.198.163.19 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="XYu5XAES" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765586025; x=1797122025; h=date:from:to:cc:subject:message-id:mime-version; bh=Ig0zz7dGi7wTjwVgT81OcMaLXuxG/sVAoe272we7ORw=; b=XYu5XAESp5GNcZ3tmOk7yeshvRWH68XW1nmUG3DaEOYifcKHFgzxhXrN QEo5MeIVlNWr+4bgh6DLdcZznN/RTHH/iLf25wKr4vsKsM9sHhmG3183n Ozfv3KgBSGmvlaxhBJZSuRmj0OC7LCb1BlPuyg+7sixFn7gJwUX0Pi0hn buwBwblkUs8D7au1FGILuT9xf0W08iYvAXWbIsAKDl7eecUFxwgkj4zgL 1VUsx6/vFl6pVtGtCR6w/tkxQPTbyhUBsf/yo9LXt75d8buJV2++IZx19 zPaaZPRHiYzyzxx82/438K3wmiTQBLhAvEGYGuqP4ZK6FgKxfamX4Q6Jo A==; X-CSE-ConnectionGUID: X/06xhUhTG6yWOo+3DVvZg== X-CSE-MsgGUID: y35bcNrPRvW2kaRRWJ7JgA== X-IronPort-AV: E=McAfee;i="6800,10657,11640"; a="66581149" X-IronPort-AV: E=Sophos;i="6.21,145,1763452800"; d="scan'208";a="66581149" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Dec 2025 16:33:44 -0800 X-CSE-ConnectionGUID: ZWd7jSr3SyaeT3dEcAjwXw== X-CSE-MsgGUID: wosIsOmcR3C8oUKTVuaYmw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,145,1763452800"; d="scan'208";a="197718301" Received: from lkp-server01.sh.intel.com (HELO d335e3c6db51) ([10.239.97.150]) by fmviesa009.fm.intel.com with ESMTP; 12 Dec 2025 16:33:43 -0800 Received: from kbuild by d335e3c6db51 with local (Exim 4.98.2) (envelope-from ) id 1vUDZt-000000006pl-1ZKR; Sat, 13 Dec 2025 00:33:41 +0000 Date: Sat, 13 Dec 2025 08:33:26 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: drivers/iio/light/veml6030.c:479 veml6030_read_persistence() error: uninitialized symbol 'y'. Message-ID: <202512130855.lVoURL3r-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Javier Carrasco CC: Jonathan Cameron tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 187d0801404f415f22c0b31531982c7ea97fa341 commit: 22eaca4283b216f5e1f7721e4ad0ecb3d23c6774 iio: light: veml6030: fix scale to conform to ABI date: 10 months ago :::::: branch date: 14 hours ago :::::: commit date: 10 months ago config: x86_64-randconfig-161-20251212 (https://download.01.org/0day-ci/archive/20251213/202512130855.lVoURL3r-lkp@intel.com/config) compiler: gcc-12 (Debian 12.4.0-5) 12.4.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202512130855.lVoURL3r-lkp@intel.com/ New smatch warnings: drivers/iio/light/veml6030.c:479 veml6030_read_persistence() error: uninitialized symbol 'y'. Old smatch warnings: drivers/iio/light/veml6030.c:498 veml6030_write_persistence() error: uninitialized symbol 'y'. drivers/iio/light/veml6030.c:501 veml6030_write_persistence() error: uninitialized symbol 'y'. drivers/iio/light/veml6030.c:503 veml6030_write_persistence() error: uninitialized symbol 'y'. drivers/iio/light/veml6030.c:505 veml6030_write_persistence() error: uninitialized symbol 'y'. vim +/y +479 drivers/iio/light/veml6030.c 7b779f573c48e1 Rishi Gupta 2019-11-04 461 7b779f573c48e1 Rishi Gupta 2019-11-04 462 static int veml6030_read_persistence(struct iio_dev *indio_dev, 7b779f573c48e1 Rishi Gupta 2019-11-04 463 int *val, int *val2) 7b779f573c48e1 Rishi Gupta 2019-11-04 464 { 7b779f573c48e1 Rishi Gupta 2019-11-04 465 int ret, reg, period, x, y; 7b779f573c48e1 Rishi Gupta 2019-11-04 466 struct veml6030_data *data = iio_priv(indio_dev); 7b779f573c48e1 Rishi Gupta 2019-11-04 467 22eaca4283b216 Javier Carrasco 2025-01-27 468 ret = veml6030_get_it(data, &x, &y); 7b779f573c48e1 Rishi Gupta 2019-11-04 469 if (ret < 0) 7b779f573c48e1 Rishi Gupta 2019-11-04 470 return ret; 7b779f573c48e1 Rishi Gupta 2019-11-04 471 7b779f573c48e1 Rishi Gupta 2019-11-04 472 ret = regmap_read(data->regmap, VEML6030_REG_ALS_CONF, ®); 7b779f573c48e1 Rishi Gupta 2019-11-04 473 if (ret) { 7b779f573c48e1 Rishi Gupta 2019-11-04 474 dev_err(&data->client->dev, 7b779f573c48e1 Rishi Gupta 2019-11-04 475 "can't read als conf register %d\n", ret); 7b779f573c48e1 Rishi Gupta 2019-11-04 476 } 7b779f573c48e1 Rishi Gupta 2019-11-04 477 7b779f573c48e1 Rishi Gupta 2019-11-04 478 /* integration time multiplied by 1/2/4/8 */ 7b779f573c48e1 Rishi Gupta 2019-11-04 @479 period = y * (1 << ((reg >> 4) & 0x03)); 7b779f573c48e1 Rishi Gupta 2019-11-04 480 7b779f573c48e1 Rishi Gupta 2019-11-04 481 *val = period / 1000000; 7b779f573c48e1 Rishi Gupta 2019-11-04 482 *val2 = period % 1000000; 7b779f573c48e1 Rishi Gupta 2019-11-04 483 7b779f573c48e1 Rishi Gupta 2019-11-04 484 return IIO_VAL_INT_PLUS_MICRO; 7b779f573c48e1 Rishi Gupta 2019-11-04 485 } 7b779f573c48e1 Rishi Gupta 2019-11-04 486 :::::: The code at line 479 was first introduced by commit :::::: 7b779f573c48e1ad6da1d6ea5f181f3ecd666bf6 iio: light: add driver for veml6030 ambient light sensor :::::: TO: Rishi Gupta :::::: CC: Jonathan Cameron -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki