Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp5548763pxj; Wed, 23 Jun 2021 03:53:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyvd/pJimWMHyynaUTtwjRahnENpCMSxTASCF170f7L75AwyjuTWijdDBbSb83QvLB723Az X-Received: by 2002:a17:906:d972:: with SMTP id rp18mr9465657ejb.192.1624445600614; Wed, 23 Jun 2021 03:53:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624445600; cv=none; d=google.com; s=arc-20160816; b=gDUvB8rEF9BXKAeUojfLlKLsENxSXxqPYSAZuCK3mvEy+QsDpp8zQ3Ircll3iQ8Ddr MqoKBNtya2LRPYLPFOWpG2SFZQekDf0qq7uL3m5lMGdX1GPljkhtdt5EyQSOLeKOH18d VUe6HRg0Gv44FApgar4+flj/ek1a8UFwP6SrGSryfCGT+rN4kEiPtuMnkdpWjCaHcmoB dZIYBKVB8NvgPboig8cOZwzIBX/poUdR69B1EOzFI/CRvNae7zVr05jBhwqeC1BQPzG6 Z/FWVIl7LhoBY0cB/+ReLF4r28WPSR1TWyKldWXGCFs9tJ3XxAoea2+IOqf+a8T01dRu /HNQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:ironport-sdr :ironport-sdr; bh=LT91WYZJ6Qs6vj6vtUGUs1ZZoumCiJGaaKeU6+zKBLI=; b=IC8Kx4aWZrdrUmwYN0ug6rIcuffvpWMOntZCuFixPE4bkMk0IaC7aNAUIHQQRsEffn o89flLtPHV818LZy++Xm7zsjErvWfTFL/i/OAp2BC2YL2npWFlIBq/w2y0Ffswe68Qby KsMij87zmmAZ0pUfpO/SUZavqcXQA1apiP+vc14BEJ+6RbYJ+jc0hD6eIXjZ811pVSFk +KkSV5Stn/89fapkD0SbkhJU3G/NWxOtPBNvgGHPVeh46Yf/Xw253V6XDFXEqBJLl/3D wcrG7QwSJAEfmai4eP2x+1SD6iDaE6wfaxP4w01bXRM6kKWww1ylFrA6YfXGcY9ra3kg 7v4g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j17si21978017edw.429.2021.06.23.03.52.57; Wed, 23 Jun 2021 03:53:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230161AbhFWKyJ (ORCPT + 99 others); Wed, 23 Jun 2021 06:54:09 -0400 Received: from mga17.intel.com ([192.55.52.151]:44204 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230071AbhFWKyG (ORCPT ); Wed, 23 Jun 2021 06:54:06 -0400 IronPort-SDR: UzbWQu4PATTUcf+7W78kqMHqHRldG/3/hYMhatAhITLLaaCGtX2apxwbyT1iWREd0eHNm9AOjh jaVLk6VHNU4w== X-IronPort-AV: E=McAfee;i="6200,9189,10023"; a="187619021" X-IronPort-AV: E=Sophos;i="5.83,293,1616482800"; d="scan'208";a="187619021" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2021 03:51:40 -0700 IronPort-SDR: Z8B5NnycNx7Kz2dMnw1EwWJbJxXq6r9PzjpJQGG0wTMYD9/EdQByIg98NLe8o6zPWjeXjuAqss 1EzNTF+Q16/w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,293,1616482800"; d="scan'208";a="556929687" Received: from kuha.fi.intel.com ([10.237.72.162]) by fmsmga001.fm.intel.com with SMTP; 23 Jun 2021 03:51:38 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Wed, 23 Jun 2021 13:51:37 +0300 Date: Wed, 23 Jun 2021 13:51:37 +0300 From: Heikki Krogerus To: Andy Shevchenko Cc: Dominik Brodowski , Lee Jones , Linux Kernel Mailing List Subject: Re: v5.13-rcX regression - NULL pointer dereference - MFD and software node API Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 22, 2021 at 06:30:19PM +0300, Andy Shevchenko wrote: > On Tue, Jun 22, 2021 at 6:28 PM Andy Shevchenko > wrote: > > On Tue, Jun 22, 2021 at 5:10 PM Heikki Krogerus > > wrote: > > > On Tue, Jun 22, 2021 at 11:09:58AM +0300, Heikki Krogerus wrote: > > > > ... > > > > > Before I send the patch to Rafael and Greg, can you confirm that the > > > appropriate API (device_is_registered()) also works? I'm attaching > > > patch that should be the final version (if it works). > > > > > > I'm sorry to bother you with this. > > > > In the commit message: happenes -> happens. > > > > And you may replace my Cc to the Reviewed-by tag. > > > > Thanks for your help! > > One more detail, shouldn't we drop _nowarn as well? OK. I'll fix those and send the patch to Greg and Rafael. thanks,, -- heikki