From patchwork Fri Oct 2 13:40:14 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 7316261 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 102009F302 for ; Fri, 2 Oct 2015 13:45:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3A88F20515 for ; Fri, 2 Oct 2015 13:45:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EAFB1203B1 for ; Fri, 2 Oct 2015 13:45:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753696AbbJBNkw (ORCPT ); Fri, 2 Oct 2015 09:40:52 -0400 Received: from lists.s-osg.org ([54.187.51.154]:46949 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753331AbbJBNkv (ORCPT ); Fri, 2 Oct 2015 09:40:51 -0400 Received: from localhost.localdomain (148.103.23.95.dynamic.jazztel.es [95.23.103.148]) by lists.s-osg.org (Postfix) with ESMTPSA id AB58146328; Fri, 2 Oct 2015 06:40:49 -0700 (PDT) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Javier Martinez Canillas , Ferruh Yigit , Dmitry Torokhov , linux-input@vger.kernel.org Subject: [PATCH 03/18] Input: cyttsp - use PTR_ERR_OR_ZERO() Date: Fri, 2 Oct 2015 15:40:14 +0200 Message-Id: <1443793229-22363-4-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1443793229-22363-1-git-send-email-javier@osg.samsung.com> References: <1443793229-22363-1-git-send-email-javier@osg.samsung.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 The PTR_ERR_OR_ZERO() helper function checks if a pointer contains an errno code and returns it or return 0 if that's not the case. Use the helper instead of open coding the same logic in the driver. This was found with make coccicheck that complains with the following warning: drivers/input/touchscreen/cyttsp4_i2c.c:53:1-3: WARNING: PTR_ERR_OR_ZERO can be used Signed-off-by: Javier Martinez Canillas --- drivers/input/touchscreen/cyttsp4_i2c.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/input/touchscreen/cyttsp4_i2c.c b/drivers/input/touchscreen/cyttsp4_i2c.c index a9f95c7d3c00..564e49002d5d 100644 --- a/drivers/input/touchscreen/cyttsp4_i2c.c +++ b/drivers/input/touchscreen/cyttsp4_i2c.c @@ -50,10 +50,7 @@ static int cyttsp4_i2c_probe(struct i2c_client *client, ts = cyttsp4_probe(&cyttsp4_i2c_bus_ops, &client->dev, client->irq, CYTTSP4_I2C_DATA_SIZE); - if (IS_ERR(ts)) - return PTR_ERR(ts); - - return 0; + return PTR_ERR_OR_ZERO(ts); } static int cyttsp4_i2c_remove(struct i2c_client *client)