From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934878Ab0CMAT4 (ORCPT ); Fri, 12 Mar 2010 19:19:56 -0500 Received: from kroah.org ([198.145.64.141]:60520 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934729Ab0CMATd (ORCPT ); Fri, 12 Mar 2010 19:19:33 -0500 X-Mailbox-Line: From gregkh@kvm.kroah.org Fri Mar 12 16:15:05 2010 Message-Id: <20100313001505.506290918@kvm.kroah.org> User-Agent: quilt/0.48-4.4 Date: Fri, 12 Mar 2010 16:11:42 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Jesse Barnes Subject: [patch 004/123] PCI hotplug: check ioremap() return value in ibmphp_ebda.c In-Reply-To: <20100313001618.GA9811@kroah.com> In-Reply-To: <20100313001618.GA9811@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.33-stable review patch. If anyone has any objections, please let me know. ----------------- From: Andrew Morton commit ba02b242bbf8e4e1bc63d62e8ccec33b4e5ea132 upstream. check ioremap() return value. Signed-off-by: Andrew Morton Signed-off-by: Jesse Barnes Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/ibmphp_ebda.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -261,6 +261,8 @@ int __init ibmphp_access_ebda (void) debug ("returned ebda segment: %x\n", ebda_seg); io_mem = ioremap(ebda_seg<<4, 1); + if (!io_mem) + return -ENOMEM; ebda_sz = readb(io_mem); iounmap(io_mem); debug("ebda size: %d(KiB)\n", ebda_sz);