From patchwork Fri Jan 17 22:56:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: jeff.mcgee@intel.com X-Patchwork-Id: 3507561 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 51909C02DC for ; Fri, 17 Jan 2014 22:49:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8CC0A2018B for ; Fri, 17 Jan 2014 22:49:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 7D2FF2017E for ; Fri, 17 Jan 2014 22:49:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7B09CFBF12; Fri, 17 Jan 2014 14:49:41 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id C35B5FBF19 for ; Fri, 17 Jan 2014 14:49:39 -0800 (PST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 17 Jan 2014 14:49:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,676,1384329600"; d="scan'208";a="460716970" Received: from jeffdesk.fso.intel.com ([10.5.53.1]) by fmsmga001.fm.intel.com with ESMTP; 17 Jan 2014 14:49:36 -0800 From: jeff.mcgee@intel.com To: intel-gfx@lists.freedesktop.org Date: Fri, 17 Jan 2014 16:56:04 -0600 Message-Id: <1389999366-19715-2-git-send-email-jeff.mcgee@intel.com> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1389999366-19715-1-git-send-email-jeff.mcgee@intel.com> References: <1389999366-19715-1-git-send-email-jeff.mcgee@intel.com> Subject: [Intel-gfx] [PATCH 1/3] pm_rps: Add read back checking on sysfs writes X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: Jeff McGee Signed-off-by: Jeff McGee --- tests/pm_rps.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tests/pm_rps.c b/tests/pm_rps.c index 7c739b6..ec07dd2 100644 --- a/tests/pm_rps.c +++ b/tests/pm_rps.c @@ -68,15 +68,20 @@ static int readval(FILE *filp) static int do_writeval(FILE *filp, int val, int lerrno) { - int ret; + int ret, orig; + + orig = readval(filp); rewind(filp); ret = fprintf(filp, "%d", val); + if (lerrno) { /* Expecting specific error */ igt_assert(ret == EOF && errno == lerrno); + igt_assert(readval(filp) == orig); } else { /* Expecting no error */ igt_assert(ret != EOF); + igt_assert(readval(filp) == val); } return ret;