From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761417AbXJMOl4 (ORCPT ); Sat, 13 Oct 2007 10:41:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754522AbXJMOls (ORCPT ); Sat, 13 Oct 2007 10:41:48 -0400 Received: from 1wt.eu ([62.212.114.60]:2872 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760753AbXJMOlr (ORCPT ); Sat, 13 Oct 2007 10:41:47 -0400 From: Willy Tarreau Message-Id: <20071013143423.%N@1wt.eu> References: <20071013142822.%N@1wt.eu> User-Agent: quilt/0.46-1 Date: Sat, 13 Oct 2007 17:28:23 +0200 To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: Bob Moore , Len Brown , Chuck Ebbert , Greg Kroah-Hartman Subject: [2.6.20.21 review 01/35] ACPICA: Fixed possible corruption of global GPE list Content-Disposition: inline; filename=0008-ACPICA-Fixed-possible-corruption-of-global-GPE-list.patch Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org ACPICA: Fixed possible corruption of global GPE list Fixed a problem in acpi_ev_delete_gpe_xrupt where the global interrupt list could be corrupted if the interrupt being removed was at the head of the list. Reported by Linn Crosetto. Signed-off-by: Bob Moore Signed-off-by: Len Brown Cc: Chuck Ebbert Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/events/evgpeblk.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) Index: 2.6/drivers/acpi/events/evgpeblk.c =================================================================== --- 2.6.orig/drivers/acpi/events/evgpeblk.c +++ 2.6/drivers/acpi/events/evgpeblk.c @@ -586,6 +586,10 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); if (gpe_xrupt->previous) { gpe_xrupt->previous->next = gpe_xrupt->next; + } else { + /* No previous, update list head */ + + acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next; } if (gpe_xrupt->next) { --