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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS 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 34D54C43381 for ; Sat, 16 Mar 2019 16:45:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 027FE218AC for ; Sat, 16 Mar 2019 16:45:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552754726; bh=m92Zy73jzDgaKdtgMUBcgb1kVDQabnZLHPfcdxWmulc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=LWgO6dtH8f9qmmXd47NSdbcmQGsiBXOIIRmVJizgEfqcFcNatSpFlr7B8HCr5bY2N pHdf7M9tOW84IWkSAEWMgWLwteuvWRlmWmgqT+2dWr6OVRUROuXOZFkjSM0FnydufR pylrCNolTn/w6xNRSh/EIZmgnyj5+N09qySkV/U0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726571AbfCPQpZ (ORCPT ); Sat, 16 Mar 2019 12:45:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:44270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726376AbfCPQpZ (ORCPT ); Sat, 16 Mar 2019 12:45:25 -0400 Received: from archlinux (cpc91196-cmbg18-2-0-cust659.5-4.cable.virginm.net [81.96.234.148]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 036282186A; Sat, 16 Mar 2019 16:45:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552754724; bh=m92Zy73jzDgaKdtgMUBcgb1kVDQabnZLHPfcdxWmulc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=iGqJTDrt4QcyaW0m4zISyvem6a7VnhUloaa5k1GuSBnpEDK9irLveLbUuAPbJO22n 1ITkV7p/aDGw/p/3OyEpHmuNnkoC00PTtA9nxObGS05GYuDrqNt6lAy7Dy/90HfGfG dkCkmH0jJeGY7tVI+wNSlas4rQJ9KFM+dqTBuESk= Date: Sat, 16 Mar 2019 16:45:19 +0000 From: Jonathan Cameron To: Mircea Caprioru Cc: , , , , Subject: Re: [PATCH 2/2] staging: iio: adc: ad7192: Report error directly in ad7192_setup Message-ID: <20190316164519.5faf1238@archlinux> In-Reply-To: <20190315111425.14275-2-mircea.caprioru@analog.com> References: <20190315111425.14275-1-mircea.caprioru@analog.com> <20190315111425.14275-2-mircea.caprioru@analog.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org On Fri, 15 Mar 2019 13:14:25 +0200 Mircea Caprioru wrote: > This patch removes the goto out statement thus ensuring that an error is > report as soon as it occurs. This gives more information and improves > readability. No problem with the patch, but I'm not sure why it gives more information? Gone from printing an useless error message to printing none. I'll just drop that bit of the description in favour of code readability. Hope you don't mind! Jonathan > > Signed-off-by: Mircea Caprioru > --- > drivers/staging/iio/adc/ad7192.c | 13 +++++-------- > 1 file changed, 5 insertions(+), 8 deletions(-) > > diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c > index ebab75bdeed7..27f962b8c4ef 100644 > --- a/drivers/staging/iio/adc/ad7192.c > +++ b/drivers/staging/iio/adc/ad7192.c > @@ -236,13 +236,13 @@ static int ad7192_setup(struct ad7192_state *st, > /* reset the serial interface */ > ret = ad_sd_reset(&st->sd, 48); > if (ret < 0) > - goto out; > + return ret; > usleep_range(500, 1000); /* Wait for at least 500us */ > > /* write/read test for device presence */ > ret = ad_sd_read_reg(&st->sd, AD7192_REG_ID, 1, &id); > if (ret) > - goto out; > + return ret; > > id &= AD7192_ID_MASK; > > @@ -310,15 +310,15 @@ static int ad7192_setup(struct ad7192_state *st, > > ret = ad_sd_write_reg(&st->sd, AD7192_REG_MODE, 3, st->mode); > if (ret) > - goto out; > + return ret; > > ret = ad_sd_write_reg(&st->sd, AD7192_REG_CONF, 3, st->conf); > if (ret) > - goto out; > + return ret; > > ret = ad7192_calibrate_all(st); > if (ret) > - goto out; > + return ret; > > /* Populate available ADC input ranges */ > for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++) { > @@ -332,9 +332,6 @@ static int ad7192_setup(struct ad7192_state *st, > } > > return 0; > -out: > - dev_err(&st->sd.spi->dev, "setup failed\n"); > - return ret; > } > > static ssize_t