From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752797AbcCGNyl (ORCPT ); Mon, 7 Mar 2016 08:54:41 -0500 Received: from ni.piap.pl ([195.187.100.4]:35109 "EHLO ni.piap.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752300AbcCGNyb (ORCPT ); Mon, 7 Mar 2016 08:54:31 -0500 From: khalasa@piap.pl (Krzysztof =?utf-8?Q?Ha=C5=82asa?=) To: Bjorn Helgaas Cc: Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel Subject: Re: [PATCH] Fix NULL ptr dereference in pci_bus_assign_domain_nr() on ARM References: <20160303173522.GA9189@localhost> <20160304162737.GA1296@localhost> Date: Mon, 07 Mar 2016 14:54:27 +0100 In-Reply-To: <20160304162737.GA1296@localhost> (Bjorn Helgaas's message of "Fri, 4 Mar 2016 10:27:37 -0600") Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-KLMS-Rule-ID: 1 X-KLMS-Message-Action: clean X-KLMS-AntiSpam-Lua-Profiles: 92506 [Mar 07 2016] X-KLMS-AntiSpam-Version: 5.5.9.33 X-KLMS-AntiSpam-Envelope-From: khalasa@piap.pl X-KLMS-AntiSpam-Rate: 0 X-KLMS-AntiSpam-Status: not_detected X-KLMS-AntiSpam-Method: none X-KLMS-AntiSpam-Moebius-Timestamps: 3999029, 3999067, 3998993 X-KLMS-AntiSpam-Info: LuaCore: 414 414 652141367f63b6038f5642fa97308d3a9d2edb46, Auth:dkim=none X-KLMS-AntiSpam-Interceptor-Info: scan successful X-KLMS-AntiPhishing: Clean, 2016/03/04 11:02:40 X-KLMS-AntiVirus: Kaspersky Security 8.0 for Linux Mail Server, version 8.0.1.721, bases: 2016/03/07 08:04:00 #7329682 X-KLMS-AntiVirus-Status: Clean, skipped Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bjorn Helgaas writes: >> At least CNS3xxx doesn't boot. I haven't verified a couple of others, >> but they may be broken as well. > > Good, thanks. Also (I should have asked this before), please include a > "Fixes:" line so we know exactly when this broke and what stable kernels > need the fix. The problem started here: Fixes: 8c7d14746abc ("ARM/PCI: Move to generic PCI domains") It means the patch should be applicable starting with v4.0, and ... indeed v4.0 with the patch boots correctly, while v4.0 without the patch does not. Thanks. -- Krzysztof Halasa Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland