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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F030C4167E for ; Tue, 5 Apr 2022 09:12:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242606AbiDEJIN (ORCPT ); Tue, 5 Apr 2022 05:08:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239411AbiDEIUD (ORCPT ); Tue, 5 Apr 2022 04:20:03 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B9CC5C36C; Tue, 5 Apr 2022 01:12:49 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B0DCCB81BA7; Tue, 5 Apr 2022 08:12:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C680C385A1; Tue, 5 Apr 2022 08:12:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649146366; bh=RpHeGB/4TCr70vwntNOFuyfpQZbXqLVJP5A5Q9NI2ds=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EFELc+diWYZnE3fkn4Ws6jlYgZe1ka+KbeTULKNae8uB6F+Uq9m8ogo+ik1L3pRf9 4hl04QHdae2lZH8FqSYxsIiGLHtPExcV19j4TOrWYop0a3A1ui/KlNQ037Pomcxl8V MjURrrM4u0UJhUwlzk17VB5Kc+vXYvgDgccJNaJ4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jiasheng Jiang , Jonathan Cameron , Sasha Levin Subject: [PATCH 5.17 0738/1126] iio: adc: Add check for devm_request_threaded_irq Date: Tue, 5 Apr 2022 09:24:45 +0200 Message-Id: <20220405070429.249982139@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070407.513532867@linuxfoundation.org> References: <20220405070407.513532867@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jiasheng Jiang [ Upstream commit b30537a4cedcacf0ade2f33ebb7610178ed1e7d7 ] As the potential failure of the devm_request_threaded_irq(), it should be better to check the return value and return error if fails. Fixes: fa659a40b80b ("iio: adc: twl6030-gpadc: Use devm_* API family") Signed-off-by: Jiasheng Jiang Link: https://lore.kernel.org/r/20220224062849.3280966-1-jiasheng@iscas.ac.cn Signed-off-by: Jonathan Cameron Signed-off-by: Sasha Levin --- drivers/iio/adc/twl6030-gpadc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c index afdb59e0b526..d0223e39d59a 100644 --- a/drivers/iio/adc/twl6030-gpadc.c +++ b/drivers/iio/adc/twl6030-gpadc.c @@ -911,6 +911,8 @@ static int twl6030_gpadc_probe(struct platform_device *pdev) ret = devm_request_threaded_irq(dev, irq, NULL, twl6030_gpadc_irq_handler, IRQF_ONESHOT, "twl6030_gpadc", indio_dev); + if (ret) + return ret; ret = twl6030_gpadc_enable_irq(TWL6030_GPADC_RT_SW1_EOC_MASK); if (ret < 0) { -- 2.34.1