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 021F3C4332F for ; Thu, 14 Apr 2022 14:53:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345952AbiDNOug (ORCPT ); Thu, 14 Apr 2022 10:50:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344964AbiDNNo5 (ORCPT ); Thu, 14 Apr 2022 09:44:57 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6172E5EBF6; Thu, 14 Apr 2022 06:41:02 -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 175EEB8296A; Thu, 14 Apr 2022 13:41:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DF71C385A5; Thu, 14 Apr 2022 13:40:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649943659; bh=uNEMzq/8S59OR0owNxgONibKfGmpN5u03LSk4vC0jPw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eI1d5V3pNWzEuwkzgLVRsExFr28MSwNQ5agUNWylbVshL/+amvcP7UqYbK1Au/tTu BMqlHjPbdqGA9ZU0E/gd5ieFeVxuWHxH8ekPSTECo+fWwbWSrRL+MhrWpXg2bc5avO +H5OBK0AHOctXQFAHqvcoTYx58ZryoQ0K+QL/sJw= 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 5.4 236/475] iio: adc: Add check for devm_request_threaded_irq Date: Thu, 14 Apr 2022 15:10:21 +0200 Message-Id: <20220414110901.724217103@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110855.141582785@linuxfoundation.org> References: <20220414110855.141582785@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 f24148bd15de..fb77c3ff5a3e 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