From patchwork Thu Dec 5 15:42:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanjun Guo X-Patchwork-Id: 3289021 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B0FCA9F37A for ; Thu, 5 Dec 2013 15:43:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1F0D420494 for ; Thu, 5 Dec 2013 15:43:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F3DA20503 for ; Thu, 5 Dec 2013 15:43:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932767Ab3LEPnL (ORCPT ); Thu, 5 Dec 2013 10:43:11 -0500 Received: from mail-pd0-f178.google.com ([209.85.192.178]:35560 "EHLO mail-pd0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932726Ab3LEPmw (ORCPT ); Thu, 5 Dec 2013 10:42:52 -0500 Received: by mail-pd0-f178.google.com with SMTP id y10so24859467pdj.37 for ; Thu, 05 Dec 2013 07:42:51 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Xf9xiQJReOhHVsovBuf9qXUWkchmYxx71yPRIAnUZZU=; b=msvAxgGIlOOi2S4hKmYqvd71vI/1QPtNMLmq0aH/nPDqu6AdFl1yZnw6fLYii+AwdZ e7GWjPvc5M+Zaa7SE2/kzTXMGYQ0Q4m1uSEUBarp+13aJYdkHRH5GCMWQ6VBkmPPvO4y FWCRH3+MpiYZ0FGu5vGYh3EauwAy+Fs9CcpxJ8cYt/1EzXwScx+0AwTR4SPp+m9Msm3f ru8UNXXA3xP1RPG15Atq8+GXFFlO2qUQKB9/54MBjiTovpxMh6pnrqu1m+z9AEEwwNsc qdn12lUY+5DKB605keGN8hQXu2GXYaLUjLbYLdiUUo6IA/gquXnIR9RmqvHId/ygpKaj haDA== X-Gm-Message-State: ALoCoQkcknbn/CpqjgnB4jsFEZ08niqPeBsDLIVCZpwZt8LdCac9ghc2t3JIDYeg4ZHh1aNz6xg/ X-Received: by 10.66.240.4 with SMTP id vw4mr90378766pac.26.1386258171744; Thu, 05 Dec 2013 07:42:51 -0800 (PST) Received: from localhost ([61.148.199.138]) by mx.google.com with ESMTPSA id jn12sm104127376pbd.37.2013.12.05.07.42.48 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 05 Dec 2013 07:42:51 -0800 (PST) From: Hanjun Guo To: "Rafael J. Wysocki" Cc: linux-acpi@vger.kernel.org, patches@linaro.org, linaro-acpi@lists.linaro.org, Hanjun Guo Subject: [PATCH] ACPI / table: Replace '1' with specific error in return value Date: Thu, 5 Dec 2013 23:42:38 +0800 Message-Id: <1386258158-10056-1-git-send-email-hanjun.guo@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In commit 7f8f97c3cc (ACPI: acpi_table_parse() now returns success/fail, not count), it return '1' when no table found, replace -ENODEV here to make it more resonable. Fix the same problem in acpi_table_init() too. Signed-off-by: Hanjun Guo --- drivers/acpi/tables.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index d67a1fe..4ec4425 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -306,7 +306,7 @@ int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler) early_acpi_os_unmap_memory(table, tbl_size); return 0; } else - return 1; + return -ENODEV; } /* @@ -351,7 +351,7 @@ int __init acpi_table_init(void) status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); if (ACPI_FAILURE(status)) - return 1; + return -EINVAL; check_multiple_madt(); return 0;