From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: [PATCH 05/10] WMI: fix potential NULL pointer dereference Date: Thu, 26 Aug 2010 00:15:03 -0700 Message-ID: <20100826071503.7976.86482.stgit@localhost.localdomain> References: <20100826071442.7976.93972.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pv0-f174.google.com ([74.125.83.174]:58101 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752959Ab0HZHPH (ORCPT ); Thu, 26 Aug 2010 03:15:07 -0400 Received: by mail-pv0-f174.google.com with SMTP id 2so528876pvg.19 for ; Thu, 26 Aug 2010 00:15:07 -0700 (PDT) In-Reply-To: <20100826071442.7976.93972.stgit@localhost.localdomain> Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: Matthew Garrett Cc: Carlos Corbacho , platform-driver-x86@vger.kernel.org Signed-off-by: Dmitry Torokhov --- drivers/platform/x86/wmi.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 5abb2ad..4032fa4 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -836,6 +836,8 @@ static acpi_status parse_wdg(acpi_handle handle) return status; obj = (union acpi_object *) out.pointer; + if (!obj) + return AE_ERROR; if (obj->type != ACPI_TYPE_BUFFER) { status = AE_ERROR;