From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from wout2-smtp.messagingengine.com ([64.147.123.25]:42033 "EHLO wout2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728258AbeHGPbH (ORCPT ); Tue, 7 Aug 2018 11:31:07 -0400 Date: Tue, 7 Aug 2018 15:16:46 +0200 From: Greg KH To: Sinan Kaya Cc: stable@vger.kernel.org, bhelgaas@google.com, vkuznets@redhat.com, "Rafael J. Wysocki" Subject: Re: Please apply commit a0040c014594 to v4.4.y, v4.9.y, v4.14.y Message-ID: <20180807131646.GC1904@kroah.com> References: <078883cc-abcf-d37f-6ed3-8c076fcd185b@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <078883cc-abcf-d37f-6ed3-8c076fcd185b@kernel.org> Sender: stable-owner@vger.kernel.org List-ID: On Mon, Aug 06, 2018 at 11:39:50AM -0400, Sinan Kaya wrote: > Hi Greg, > > Upstream commit a0040c014594 ("ACPI / PCI: Bail early in acpi_pci_add_bus() > if there is no ACPI handle "). > fixes a NULL pointer access when ACPI_HANDLE() is NULL. > > acpi_evaluate_dsm() fails as follows while there is no DSM in the tables. > > ACPI: \: failed to evaluate _DSM (0x1001) > > Place a NULL pointer check using the above mentioned code rather > than let ACPI fail miserably. Now applied, thanks. greg k-h