From patchwork Wed Jan 18 17:46:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 9524467 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 65EC56020B for ; Wed, 18 Jan 2017 17:52:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5759E26E8A for ; Wed, 18 Jan 2017 17:52:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C16728618; Wed, 18 Jan 2017 17:52:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 00D1C26E8A for ; Wed, 18 Jan 2017 17:52:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753284AbdARRsw (ORCPT ); Wed, 18 Jan 2017 12:48:52 -0500 Received: from bh-25.webhostbox.net ([208.91.199.152]:58908 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753255AbdARRst (ORCPT ); Wed, 18 Jan 2017 12:48:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=roeck-us.net; s=default; h=References:In-Reply-To:Message-Id:Date:Subject: Cc:To:From; bh=fIn8ua/66/yqG+PJVsRD7bKTSMQKxYQNPgfNhZeug3M=; b=FrZu00N/BUzTfY i6eJV1m+/aVqZVCN9oNtwGw/z3j+V3toTGk4Zf8JSmJUSLpxXMpWpXRluRVFODlR1rrKeNU8/BlRl Ov+mN4vnNjwQJEmneOmv9VsZ8CXKcbGwz6y+N4VFhMcdq+Idqdd8ZqQcLhFK++hQVdtuQgOBS38ES +QjkJoPWT3qcYRm95KPl1mLnEaD74LGLwTYPmNI7Slfd2mdaorp+SU+fOF2PtcxWtq+syTaw25wv2 QkrlWrzViL6h0Xuk0HqhAWBCLDE4OHZxYhkEMq1M6YLAG4QUwOUSz0Rn/fnBqVMrv4E+QzXLXtoBS kiTmufOrLPUJKWLjzp6w==; Received: from 108-223-40-66.lightspeed.sntcca.sbcglobal.net ([108.223.40.66]:45178 helo=localhost) by bh-25.webhostbox.net with esmtpa (Exim 4.86_1) (envelope-from ) id 1cTuL8-001keg-LE; Wed, 18 Jan 2017 17:48:07 +0000 From: Guenter Roeck To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Guenter Roeck Subject: [PATCH 15/33] Input: kxtj9 - Drop unnecessary error messages and other changes Date: Wed, 18 Jan 2017 09:46:36 -0800 Message-Id: <1484761614-12225-16-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1484761614-12225-1-git-send-email-linux@roeck-us.net> References: <1484761614-12225-1-git-send-email-linux@roeck-us.net> X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Error messages after memory allocation failures are unnecessary and can be dropped. Other relevant changes: Simplify error return This conversion was done automatically with coccinelle using the following semantic patches. The semantic patches and the scripts used to generate this commit log are available at https://github.com/groeck/coccinelle-patches - Drop unnecessary braces around conditional return statements - Drop error message after devm_kzalloc() failure - Replace 'if (e) return e; return 0;' with 'return e;' Signed-off-by: Guenter Roeck --- drivers/input/misc/kxtj9.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/input/misc/kxtj9.c b/drivers/input/misc/kxtj9.c index efaffcc57e36..1c96e30834fc 100644 --- a/drivers/input/misc/kxtj9.c +++ b/drivers/input/misc/kxtj9.c @@ -196,11 +196,8 @@ static int kxtj9_update_odr(struct kxtj9_data *tj9, unsigned int poll_interval) if (err < 0) return err; - err = i2c_smbus_write_byte_data(tj9->client, CTRL_REG1, tj9->ctrl_reg1); - if (err < 0) - return err; - - return 0; + return i2c_smbus_write_byte_data(tj9->client, CTRL_REG1, + tj9->ctrl_reg1); } static int kxtj9_device_power_on(struct kxtj9_data *tj9) @@ -526,11 +523,8 @@ static int kxtj9_probe(struct i2c_client *client, } tj9 = kzalloc(sizeof(*tj9), GFP_KERNEL); - if (!tj9) { - dev_err(&client->dev, - "failed to allocate memory for module data\n"); + if (!tj9) return -ENOMEM; - } tj9->client = client; tj9->pdata = *pdata;