From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 DA56B33C188; Wed, 28 Jan 2026 09:09:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769591351; cv=none; b=gQBLChMbKEqDbHEx2OPYJFBRFzu7t3iyBocrltmnMfcn5ZP9QY1q8RdU4BVAX7yWny2RSjLd14338QWORystgzZ7+iyaoTuT37p3EtbDSV5nv8NiMoaD1BRfXWIEUFb9GbAUs8ZZHJnNnlKEhfVQQYm4DKxc2sJmEBC77aiWZhA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769591351; c=relaxed/simple; bh=T5Wby/ofFHI0LWTjyPta8N1F5LOuBsXqoVGkqkg+4UM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E6qtGhJV8pzE+FPjSuzMtK3bPZinEXaxgrIKxdhgwdUyu/EgkH2mb9LKgtkti/2SUryGWw8zB5emCSRLE9r5FE6F22Q2BNU5iZYO0Gf4V9bbEsCwRtlLm5f+SeSRiy3/anQ647KfuHdMBbzpCaSpbwKmlQK5C7bWb+NPI3w2Yh4= 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=WOOzM7EU; arc=none smtp.client-ip=192.198.163.16 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="WOOzM7EU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769591350; x=1801127350; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=T5Wby/ofFHI0LWTjyPta8N1F5LOuBsXqoVGkqkg+4UM=; b=WOOzM7EUZsVrqS0u4ibxD/zHHN3tlPoApKV7LxfNu6Cxlkj5RoUzpgLy 2PZeG6Mu8JS5zjwY8yb+anbNYszPvDc4cOdhKNc6Twl18QqVuUoXwOR30 4jBXPuAl3coIOaAXioZZWgdn9FNWk2H1kg78ohWPKBDjYWmityhWjlSuG GgzKASEj6/qI8t2Dd1f6ZEg0H2/tnl2VU511aFwzbjg9HnJoH+UvxIqwW HwNrDkiyzOT4MKxBvActHgKxSUX9fWWTv9rRpTZnHay+mXdM6QDk0g1Zu 5fRVkuXPV+ABgzFmVOwcP2jqNv4hilgstfNK3zVc5Jb86RdQcnIT5IrDU A==; X-CSE-ConnectionGUID: nWqiVGQ4RF6AT0XEF4rlng== X-CSE-MsgGUID: uWWfBLmUQXS1Um3CvWg/Eg== X-IronPort-AV: E=McAfee;i="6800,10657,11684"; a="58369422" X-IronPort-AV: E=Sophos;i="6.21,258,1763452800"; d="scan'208";a="58369422" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2026 01:09:10 -0800 X-CSE-ConnectionGUID: u4kPBOxdRSWScEEqFT8nYg== X-CSE-MsgGUID: wyrjAHuSRf2M/C3eRJqP0g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,258,1763452800"; d="scan'208";a="212694786" Received: from hrotuna-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.244.196]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2026 01:09:07 -0800 Date: Wed, 28 Jan 2026 11:09:05 +0200 From: Andy Shevchenko To: Chen Ni Cc: haibo.chen@nxp.com, jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iio: adc: vf610: Add missing check for device_property_read_u32_array Message-ID: References: <20260128042700.2260803-1-nichen@iscas.ac.cn> 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: <20260128042700.2260803-1-nichen@iscas.ac.cn> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Jan 28, 2026 at 12:27:00PM +0800, Chen Ni wrote: > Add check for the return value of device_property_read_u32_array() and > return the error if it fails in order to catch the error. Why? Is this mandatory property or optional? -- With Best Regards, Andy Shevchenko