From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D39AC10F0B for ; Thu, 21 Feb 2019 13:50:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74F912086C for ; Thu, 21 Feb 2019 13:50:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728167AbfBUNuV (ORCPT ); Thu, 21 Feb 2019 08:50:21 -0500 Received: from mga06.intel.com ([134.134.136.31]:43685 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725991AbfBUNuT (ORCPT ); Thu, 21 Feb 2019 08:50:19 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Feb 2019 05:50:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,395,1544515200"; d="scan'208";a="119707633" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 21 Feb 2019 05:50:13 -0800 From: Alexander Shishkin To: Greg Kroah-Hartman Cc: Mathieu Poirier , linux-kernel@vger.kernel.org, Andy Shevchenko , Alexander Shishkin Subject: [GIT PULL 4/7] intel_th: pti: Use sysfs_match_string() helper Date: Thu, 21 Feb 2019 15:49:56 +0200 Message-Id: <20190221134959.15121-5-alexander.shishkin@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190221134959.15121-1-alexander.shishkin@linux.intel.com> References: <20190221134959.15121-1-alexander.shishkin@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Shevchenko Use sysfs_match_string() helper instead of open coded variant. Signed-off-by: Andy Shevchenko Signed-off-by: Alexander Shishkin --- drivers/hwtracing/intel_th/pti.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/drivers/hwtracing/intel_th/pti.c b/drivers/hwtracing/intel_th/pti.c index 56694339cb06..0da6b787f553 100644 --- a/drivers/hwtracing/intel_th/pti.c +++ b/drivers/hwtracing/intel_th/pti.c @@ -272,19 +272,17 @@ static ssize_t lpp_dest_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) { struct pti_device *pti = dev_get_drvdata(dev); - ssize_t ret = -EINVAL; int i; - for (i = 0; i < ARRAY_SIZE(lpp_dest_str); i++) - if (sysfs_streq(buf, lpp_dest_str[i])) - break; + i = sysfs_match_string(lpp_dest_str, buf); + if (i < 0) + return i; - if (i < ARRAY_SIZE(lpp_dest_str) && pti->lpp_dest_mask & BIT(i)) { - pti->lpp_dest = i; - ret = size; - } + if (!(pti->lpp_dest_mask & BIT(i))) + return -EINVAL; - return ret; + pti->lpp_dest = i; + return size; } static DEVICE_ATTR_RW(lpp_dest); -- 2.20.1