From patchwork Tue Apr 5 07:26:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 557318 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 5234DC4707F for ; Tue, 5 Apr 2022 10:17:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354080AbiDEKL3 (ORCPT ); Tue, 5 Apr 2022 06:11:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242457AbiDEJQR (ORCPT ); Tue, 5 Apr 2022 05:16:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3B2ED3720; Tue, 5 Apr 2022 02:01:54 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 88A32614E4; Tue, 5 Apr 2022 09:01:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 924A3C385A1; Tue, 5 Apr 2022 09:01:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649149314; bh=RpHeGB/4TCr70vwntNOFuyfpQZbXqLVJP5A5Q9NI2ds=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=F0Ok6rA2FbaKbmxr87GJNURAHLK4u2z6P6nT5XXlblbciklnt8n6pCuNmE6DUqGiC SBzk8uMHcElsGEi4WhdUzZluB9lHgOR/Rn7TX2ntw6Mj+AJ/6M6PagYioPzYXHR36u FvMftACtCEHl4lSMA/JW8cq0hc06+uoBu87op940= 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 5.16 0669/1017] iio: adc: Add check for devm_request_threaded_irq Date: Tue, 5 Apr 2022 09:26:22 +0200 Message-Id: <20220405070414.139507094@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220405070354.155796697@linuxfoundation.org> References: <20220405070354.155796697@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@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) {