Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753947AbdHUNVH (ORCPT ); Mon, 21 Aug 2017 09:21:07 -0400 Received: from mail.skyhub.de ([5.9.137.197]:58494 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753801AbdHUNVD (ORCPT ); Mon, 21 Aug 2017 09:21:03 -0400 Date: Mon, 21 Aug 2017 15:20:54 +0200 From: Borislav Petkov To: "Rafael J. Wysocki" Cc: Toshi Kani , "Rafael J. Wysocki" , Mauro Carvalho Chehab , Tony Luck , Len Brown , ACPI Devel Maling List , "open list:EDAC-CORE" , Linux Kernel Mailing List Subject: [PATCH] ACPICA: Check whether ACPI is disabled before getting a table Message-ID: <20170821132054.mwhdxkcka4ocp6h5@pd.tnic> References: <20170818194644.14538-1-toshi.kani@hpe.com> <20170818194644.14538-2-toshi.kani@hpe.com> <20170821112657.hrtjoeagxhc67rrr@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 768 Lines: 33 Borislav Petkov ... and save us the splrinking of this test around in the callers. No functionality change. Signed-off-by: Borislav Petkov --- drivers/acpi/acpica/tbxface.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 010b1c43df92..881b0d5b2838 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -226,6 +226,9 @@ acpi_get_table_header(char *signature, u32 j; struct acpi_table_header *header; + if (acpi_disabled) + return (AE_ERROR); + /* Parameter validation */ if (!signature || !out_table_header) { -- 2.13.0 -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.