From patchwork Sun Dec 20 01:39:11 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirill A. Shutemov" X-Patchwork-Id: 41488 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 4A1C0B6F18 for ; Sun, 20 Dec 2009 12:41:44 +1100 (EST) Received: from localhost ([127.0.0.1]:36150 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NMAnl-0000Ro-6h for incoming@patchwork.ozlabs.org; Sat, 19 Dec 2009 20:41:41 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NMAlq-0007ma-T3 for qemu-devel@nongnu.org; Sat, 19 Dec 2009 20:39:42 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NMAll-0007ch-CE for qemu-devel@nongnu.org; Sat, 19 Dec 2009 20:39:42 -0500 Received: from [199.232.76.173] (port=54468 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NMAll-0007cV-7d for qemu-devel@nongnu.org; Sat, 19 Dec 2009 20:39:37 -0500 Received: from mail-fx0-f222.google.com ([209.85.220.222]:56134) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NMAlk-0004ms-TA for qemu-devel@nongnu.org; Sat, 19 Dec 2009 20:39:37 -0500 Received: by fxm22 with SMTP id 22so4042062fxm.2 for ; Sat, 19 Dec 2009 17:39:36 -0800 (PST) Received: by 10.223.15.86 with SMTP id j22mr7556981faa.47.1261273176210; Sat, 19 Dec 2009 17:39:36 -0800 (PST) Received: from localhost.localdomain (a88-114-220-92.elisa-laajakaista.fi [88.114.220.92]) by mx.google.com with ESMTPS id 13sm6982256fks.45.2009.12.19.17.39.34 (version=SSLv3 cipher=RC4-MD5); Sat, 19 Dec 2009 17:39:35 -0800 (PST) From: "Kirill A. Shutemov" To: qemu-devel@nongnu.org Date: Sun, 20 Dec 2009 03:39:11 +0200 Message-Id: <1261273167-3240-2-git-send-email-kirill@shutemov.name> X-Mailer: git-send-email 1.6.5.6 In-Reply-To: <1261273167-3240-1-git-send-email-kirill@shutemov.name> References: <1261273167-3240-1-git-send-email-kirill@shutemov.name> X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Cc: "Kirill A. Shutemov" Subject: [Qemu-devel] [PATCH 02/18] block.c: fix warning with _FORTIFY_SOURCE X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org CC block.o cc1: warnings being treated as errors block.c: In function 'bdrv_open2': block.c:400: error: ignoring return value of 'realpath', declared with attribute warn_unused_result Signed-off-by: Kirill A. Shutemov --- block.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/block.c b/block.c index 3f3496e..30ae2b1 100644 --- a/block.c +++ b/block.c @@ -396,8 +396,8 @@ int bdrv_open2(BlockDriverState *bs, const char *filename, int flags, if (is_protocol) snprintf(backing_filename, sizeof(backing_filename), "%s", filename); - else - realpath(filename, backing_filename); + else if (!realpath(filename, backing_filename)) + return -errno; bdrv_qcow2 = bdrv_find_format("qcow2"); options = parse_option_parameters("", bdrv_qcow2->create_options, NULL);