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 91947C433F5 for ; Mon, 14 Feb 2022 15:10:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355674AbiBNPKx (ORCPT ); Mon, 14 Feb 2022 10:10:53 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:39646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355658AbiBNPKe (ORCPT ); Mon, 14 Feb 2022 10:10:34 -0500 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 648C94E398; Mon, 14 Feb 2022 07:10:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644851426; x=1676387426; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=kKVOBmMe2B7p8elBdEp7lhzQwa1aL7hnCEPJyvhHj1I=; b=QEhlFIzQZ89Oq1L/pSpv5Z7mutPmU+z86pwikYXDpqp9db7Ot7Si0GLX ug7PuoGS/wO1eW7HEIO99bGG/th59GpxTjK/4nnlG0rKv/mkLZrLGyOGJ TweehWXGH90K446wLWr053ZL+VfEdKPPNNMIl2xw2igB7R8X1KRPLfWvG ztZt2IHZ2TsgImfTn9OWqNzyGtraG/hGN+91lGbliDyoBk70ZKeBWu4c4 Osjc6YVSHwL7KYVY7fq7iL07ISQ2eQkkDPho9drPJD5pTKBOXoy6uSZG4 s4ACdjZz4fGNfwg77X1EyEQ/h952V0PceY/0pDZcPIgAxcQm3PLDEjvmQ A==; X-IronPort-AV: E=McAfee;i="6200,9189,10257"; a="237516123" X-IronPort-AV: E=Sophos;i="5.88,368,1635231600"; d="scan'208";a="237516123" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2022 07:10:26 -0800 X-IronPort-AV: E=Sophos;i="5.88,368,1635231600"; d="scan'208";a="495709581" Received: from unknown (HELO smile.fi.intel.com) ([10.237.72.59]) by orsmga006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2022 07:10:24 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1nJcyn-004Zzv-JX; Mon, 14 Feb 2022 17:09:29 +0200 Date: Mon, 14 Feb 2022 17:09:29 +0200 From: Andy Shevchenko To: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Wolfram Sang , syzbot+0591ccf54ee05344e4eb@syzkaller.appspotmail.com Subject: Re: [PATCH v1 1/1] i2c: smbus: Check for parent device before dereference Message-ID: References: <20220204155920.13364-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220204155920.13364-1-andriy.shevchenko@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 04, 2022 at 05:59:20PM +0200, Andy Shevchenko wrote: > An I²C adapter might be instantiated without parent. In such case > there is no property can be retrieved. Skip SMBus alert setup when > this happens. As of today the problem is still in v5.17-rcX. -- With Best Regards, Andy Shevchenko