Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751501AbdGRQyt (ORCPT ); Tue, 18 Jul 2017 12:54:49 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:53555 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751363AbdGRQyr (ORCPT ); Tue, 18 Jul 2017 12:54:47 -0400 Subject: Re: [PATCH 2/4] gpio: davinci: Handle the return value of davinci_gpio_irq_setup function To: Keerthy , , CC: , , , , , , References: <1500375436-9435-1-git-send-email-j-keerthy@ti.com> <1500375436-9435-3-git-send-email-j-keerthy@ti.com> From: Suman Anna Message-ID: Date: Tue, 18 Jul 2017 11:54:20 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <1500375436-9435-3-git-send-email-j-keerthy@ti.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [128.247.58.153] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1203 Lines: 47 Hi Keerthy, On 07/18/2017 05:57 AM, Keerthy wrote: > Currently davinci_gpio_irq_setup return value is ignored. Handle the > return value appropriately. > > Signed-off-by: Keerthy > --- > drivers/gpio/gpio-davinci.c | 18 +++++++++++++----- > 1 file changed, 13 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c > index 2c88054..932f270 100644 > --- a/drivers/gpio/gpio-davinci.c > +++ b/drivers/gpio/gpio-davinci.c > @@ -233,15 +233,23 @@ static int davinci_gpio_probe(struct platform_device *pdev) > chips->regs[bank] = gpio_base + offset_array[bank]; > > ret = devm_gpiochip_add_data(dev, &chips->chip, chips); > + if (ret) > + goto err; > + > + platform_set_drvdata(pdev, chips); > + ret = davinci_gpio_irq_setup(pdev); > if (ret) { > - ctrl_num = 0; > - bank_base = 0; > - return ret; > + platform_set_drvdata(pdev, NULL); This is not needed, driver core will set this automatically if probe fails. > + goto err; > } > > - platform_set_drvdata(pdev, chips); > - davinci_gpio_irq_setup(pdev); > return 0; > + > +err: > + ctrl_num = 0; > + bank_base = 0; Same comments as on Patch 1. regards Suman