From patchwork Tue May 18 09:56:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tang Bin X-Patchwork-Id: 12264439 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 95BE6C433ED for ; Tue, 18 May 2021 09:56:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67AFC61185 for ; Tue, 18 May 2021 09:56:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348046AbhERJ5r (ORCPT ); Tue, 18 May 2021 05:57:47 -0400 Received: from cmccmta2.chinamobile.com ([221.176.66.80]:36511 "EHLO cmccmta2.chinamobile.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240585AbhERJ5q (ORCPT ); Tue, 18 May 2021 05:57:46 -0400 Received: from spf.mail.chinamobile.com (unknown[172.16.121.13]) by rmmx-syy-dmz-app07-12007 (RichMail) with SMTP id 2ee760a38f23f8f-8cff1; Tue, 18 May 2021 17:55:49 +0800 (CST) X-RM-TRANSID: 2ee760a38f23f8f-8cff1 X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from localhost.localdomain (unknown[223.112.105.130]) by rmsmtp-syy-appsvr07-12007 (RichMail) with SMTP id 2ee760a38f213bf-b6a34; Tue, 18 May 2021 17:55:49 +0800 (CST) X-RM-TRANSID: 2ee760a38f213bf-b6a34 From: Tang Bin To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org Cc: linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Tang Bin Subject: [PATCH] staging: iio: cdc: ad7746: Remove unnecessary assignment in ad7746_probe() Date: Tue, 18 May 2021 17:56:47 +0800 Message-Id: <20210518095647.3008-1-tangbin@cmss.chinamobile.com> X-Mailer: git-send-email 2.20.1.windows.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org In the function ad7746_probe(), the initialized value of 'ret' is unused, because it will be assigned by the function i2c_smbus_write_byte_data(), thus remove it. Signed-off-by: Tang Bin Reviewed-by: Dan Carpenter --- drivers/staging/iio/cdc/ad7746.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c index dfd71e99e..be4ef454d 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -680,7 +680,7 @@ static int ad7746_probe(struct i2c_client *client, struct ad7746_chip_info *chip; struct iio_dev *indio_dev; unsigned char regval = 0; - int ret = 0; + int ret; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip)); if (!indio_dev)