From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 7C61117C220 for ; Thu, 5 Mar 2026 19:45:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772739961; cv=none; b=uP7N8V2Irg748wwfQUwUaI3swJ1Cjjs1tb8neI6R73gMn7afWtts6BU7T4nmRI2RIE/wuFoiYbs/YPgDkvcVzQFbYPf1jypw0aOpLmciHqP03QBqXVYQ747iEEw61DrdXCqRN7P4f0hfy4GjrQEAuG3uH/aYRWwWAW8u5vKePys= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772739961; c=relaxed/simple; bh=Sm//rsfVRLfTPVKb+zp0figy5fdHP6VlPI4rh9oFZTQ=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=H8SfltpVemDC42J/lzdHevEUr17t7XAdZpJB2J9kprHftImAX5y+5qfXrrwXio3wXDH+ur57e7pugbJnJRvK8svkQcMSCGHO7IHbtcaYiUEC+BbqRLUKcsAWzwWHYguMi+zZL28s5uAgvykxsEF+gHkd+u/hcYVxv3Oz+aza74g= 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=haaUR4Nh; arc=none smtp.client-ip=192.198.163.13 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="haaUR4Nh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772739960; x=1804275960; h=date:from:to:cc:subject:message-id:mime-version; bh=Sm//rsfVRLfTPVKb+zp0figy5fdHP6VlPI4rh9oFZTQ=; b=haaUR4NhdS8MvtmCqMIB+dGusoV6jcf9fDEggp6rvERLGRppNqJJI5ba k/6r2flcIjynCLfa0Ia6xfJZTbgDAwoqEm17/7ChHiFPpj4nYnUJydeJg av0EgsuRo+x+pbwESSXzttLH9co/jHYwI8UUwnDg63x2SKRsR8cDJ8roZ vRy6II38muZrwo2X032yEg2tQUpryaccdxpbK7RRI5z+RxT5/ifA5Py0L 7ituCrH4TYpMlpJHibkUFv+QDJhY3rP0QcAZ4VXQBm0lN5X1P9WBqI5FL JtCR391NJ3V3C0N0q5jUPU+WVypQPRKI3A3EexG3/4TyOGd5pE8pqBwTM A==; X-CSE-ConnectionGUID: X78Z0gN7SJCW6Fmzw9daRQ== X-CSE-MsgGUID: E5f2dKcxR52GPf2L42nQiw== X-IronPort-AV: E=McAfee;i="6800,10657,11720"; a="76441368" X-IronPort-AV: E=Sophos;i="6.23,103,1770624000"; d="scan'208";a="76441368" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2026 11:45:59 -0800 X-CSE-ConnectionGUID: JaVQsP8eSDCo0RjTWFH9eA== X-CSE-MsgGUID: /ltBISFpRIywm+NmnvFjMQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,103,1770624000"; d="scan'208";a="241799545" Received: from lkp-server01.sh.intel.com (HELO cadc4577a874) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 05 Mar 2026 11:45:58 -0800 Received: from kbuild by cadc4577a874 with local (Exim 4.98.2) (envelope-from ) id 1vyEdv-0000000019u-2IG0; Thu, 05 Mar 2026 19:45:55 +0000 Date: Fri, 6 Mar 2026 03:45:52 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH 2/3] iio: adc: ad4130: introduce chip info for future multidevice support Message-ID: <202603060334.Qy6YCwgJ-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 In-Reply-To: References: TO: Jonathan Santos TO: linux-iio@vger.kernel.org TO: linux-kernel@vger.kernel.org TO: devicetree@vger.kernel.org CC: Jonathan Santos CC: cosmin.tanislav@analog.com CC: lars@metafoo.de CC: Michael.Hennerich@analog.com CC: jic23@kernel.org CC: dlechner@baylibre.com CC: nuno.sa@analog.com CC: andy@kernel.org CC: robh@kernel.org CC: krzk+dt@kernel.org CC: conor+dt@kernel.org Hi Jonathan, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v7.0-rc2 next-20260305] [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/Jonathan-Santos/dt-bindings-iio-adc-ad4130-Add-new-supported-parts/20260303-002854 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/b95a029f836a1d2d125f5beccf5290cfcf32c725.1772078999.git.Jonathan.Santos%40analog.com patch subject: [PATCH 2/3] iio: adc: ad4130: introduce chip info for future multidevice support :::::: branch date: 3 days ago :::::: commit date: 3 days ago config: m68k-randconfig-r072-20260305 (https://download.01.org/0day-ci/archive/20260306/202603060334.Qy6YCwgJ-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 14.3.0 smatch: v0.5.0-9004-gb810ac53 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/202603060334.Qy6YCwgJ-lkp@intel.com/ New smatch warnings: drivers/iio/adc/ad4130.c:1527 ad4130_validate_diff_channel() error: buffer overflow 'st->pins_fn' 16 <= 29 Old smatch warnings: drivers/iio/adc/ad4130.c:1530 ad4130_validate_diff_channel() error: buffer overflow 'st->pins_fn' 16 <= 29 drivers/iio/adc/ad4130.c:1532 ad4130_validate_diff_channel() error: buffer overflow 'st->pins_fn' 16 <= 29 vim +1527 drivers/iio/adc/ad4130.c 62094060cf3aca Cosmin Tanislav 2022-10-21 1515 62094060cf3aca Cosmin Tanislav 2022-10-21 1516 static int ad4130_validate_diff_channel(struct ad4130_state *st, u32 pin) 62094060cf3aca Cosmin Tanislav 2022-10-21 1517 { 62094060cf3aca Cosmin Tanislav 2022-10-21 1518 struct device *dev = &st->spi->dev; 62094060cf3aca Cosmin Tanislav 2022-10-21 1519 62094060cf3aca Cosmin Tanislav 2022-10-21 1520 if (pin >= AD4130_MAX_DIFF_INPUTS) 62094060cf3aca Cosmin Tanislav 2022-10-21 1521 return dev_err_probe(dev, -EINVAL, 6abcb19e0a6a37 Colin Ian King 2022-11-04 1522 "Invalid differential channel %u\n", pin); 62094060cf3aca Cosmin Tanislav 2022-10-21 1523 9244a45dc94161 Jonathan Santos 2026-02-28 1524 if (pin >= st->chip_info->max_analog_pins) 62094060cf3aca Cosmin Tanislav 2022-10-21 1525 return 0; 62094060cf3aca Cosmin Tanislav 2022-10-21 1526 62094060cf3aca Cosmin Tanislav 2022-10-21 @1527 if (st->pins_fn[pin] == AD4130_PIN_FN_SPECIAL) 62094060cf3aca Cosmin Tanislav 2022-10-21 1528 return dev_err_probe(dev, -EINVAL, 62094060cf3aca Cosmin Tanislav 2022-10-21 1529 "Pin %u already used with fn %u\n", pin, 62094060cf3aca Cosmin Tanislav 2022-10-21 1530 st->pins_fn[pin]); 62094060cf3aca Cosmin Tanislav 2022-10-21 1531 62094060cf3aca Cosmin Tanislav 2022-10-21 1532 st->pins_fn[pin] |= AD4130_PIN_FN_DIFF; 62094060cf3aca Cosmin Tanislav 2022-10-21 1533 62094060cf3aca Cosmin Tanislav 2022-10-21 1534 return 0; 62094060cf3aca Cosmin Tanislav 2022-10-21 1535 } 62094060cf3aca Cosmin Tanislav 2022-10-21 1536 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki