From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756024Ab1CGLyb (ORCPT ); Mon, 7 Mar 2011 06:54:31 -0500 Received: from e28smtp06.in.ibm.com ([122.248.162.6]:44055 "EHLO e28smtp06.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752896Ab1CGLya (ORCPT ); Mon, 7 Mar 2011 06:54:30 -0500 Date: Mon, 7 Mar 2011 17:24:25 +0530 From: Kamalesh Babulal To: stable@kernel.org Cc: linux-kernel@vger.kernel.org, greg@kroah.com, anton@samba.org, benh@kernel.crashing.org Subject: [PATCH 6/7] powerpc/crashdump: Do not fail on NULL pointer dereferencing Message-ID: <20110307115425.GH8194@linux.vnet.ibm.com> Reply-To: Kamalesh Babulal MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org powerpc/crashdump: Do not fail on NULL pointer dereferencing Commit: 426b6cb478e60352a463a0d1ec75c1c9fab30b13 upstream Signed-off-by: Maxim Uvarov Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Kamalesh babulal cc: Anton Blanchard --- arch/powerpc/kernel/crash.c | 3 +++ 1 file changed, 3 insertions(+) Index: b/arch/powerpc/kernel/crash.c =================================================================== --- a/arch/powerpc/kernel/crash.c 2011-03-07 00:59:25.108253005 -0800 +++ b/arch/powerpc/kernel/crash.c 2011-03-07 01:01:07.004296733 -0800 @@ -378,6 +378,9 @@ for_each_irq(i) { struct irq_desc *desc = irq_desc + i; + if (!desc || !desc->chip || !desc->chip->eoi) + continue; + if (desc->status & IRQ_INPROGRESS) desc->chip->eoi(i);