From patchwork Mon Jul 27 12:24:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhaolei X-Patchwork-Id: 6873021 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E0024C05AC for ; Mon, 27 Jul 2015 12:26:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1F452204AD for ; Mon, 27 Jul 2015 12:26:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2B9CA204AE for ; Mon, 27 Jul 2015 12:26:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752648AbbG0M0S (ORCPT ); Mon, 27 Jul 2015 08:26:18 -0400 Received: from cn.fujitsu.com ([59.151.112.132]:20601 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751857AbbG0M0O (ORCPT ); Mon, 27 Jul 2015 08:26:14 -0400 X-IronPort-AV: E=Sophos;i="5.15,520,1432569600"; d="scan'208";a="98934715" Received: from unknown (HELO edo.cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 27 Jul 2015 20:29:47 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (localhost.localdomain [127.0.0.1]) by edo.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id t6RCOL9i023269 for ; Mon, 27 Jul 2015 20:24:21 +0800 Received: from localhost.localdomain (10.167.226.114) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server id 14.3.181.6; Mon, 27 Jul 2015 20:26:11 +0800 From: Zhaolei To: CC: Zhao Lei Subject: [PATCH v3 5/7] btrfs-progs: Set info->periodic.timer_fd to 0 in init-fail Date: Mon, 27 Jul 2015 20:24:30 +0800 Message-ID: <507ed44cfada9f4eee2cab8e276a75dc4921a6b9.1437999624.git.zhaolei@cn.fujitsu.com> X-Mailer: git-send-email 1.8.5.1 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 From: Zhao Lei In current code, (info->periodic.timer_fd == 0) means it is not valid, as: if (info->periodic.timer_fd) { close(info->periodic.timer_fd); ... We need set its value from -1 to 0 in create-fail case, to make code like above works. Signed-off-by: Zhao Lei --- task-utils.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/task-utils.c b/task-utils.c index 768be94..58f5195 100644 --- a/task-utils.c +++ b/task-utils.c @@ -94,8 +94,10 @@ int task_period_start(struct task_info *info, unsigned int period_ms) return -1; info->periodic.timer_fd = timerfd_create(CLOCK_MONOTONIC, 0); - if (info->periodic.timer_fd == -1) + if (info->periodic.timer_fd == -1) { + info->periodic.timer_fd = 0; return info->periodic.timer_fd; + } info->periodic.wakeups_missed = 0;