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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC834C433EF for ; Mon, 18 Oct 2021 13:32:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FA3061212 for ; Mon, 18 Oct 2021 13:32:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232939AbhJRNeS (ORCPT ); Mon, 18 Oct 2021 09:34:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:41884 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232645AbhJRNc2 (ORCPT ); Mon, 18 Oct 2021 09:32:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5B8AC6137C; Mon, 18 Oct 2021 13:29:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1634563761; bh=FtHYWU8uoNMGOPVzqaJt1WELjfnqZATizaoH4Hwrzac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GBfqpaoNFA6Hp4majXyLsOyDO7AdR0CCHLkkm5xKx6Sr4dvW0/zbmYlJy+zbCC+dP 9eNiiHUVyaLoMmsgLi72YDTfwHO41HDwK+12aVJbm287JBTYPbpCde9NRKlKMzyJik etC7+A3nhBnkVC90HtAhSHaSKtEUs8PnVKaaXlpo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christophe JAILLET , Alexandru Ardelean , Stable@vger.kernel.org, Jonathan Cameron Subject: [PATCH 4.19 28/50] iio: adc128s052: Fix the error handling path of adc128_probe() Date: Mon, 18 Oct 2021 15:24:35 +0200 Message-Id: <20211018132327.472943996@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211018132326.529486647@linuxfoundation.org> References: <20211018132326.529486647@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: stable@vger.kernel.org From: Christophe JAILLET commit bbcf40816b547b3c37af49168950491d20d81ce1 upstream. A successful 'regulator_enable()' call should be balanced by a corresponding 'regulator_disable()' call in the error handling path of the probe, as already done in the remove function. Update the error handling path accordingly. Fixes: 913b86468674 ("iio: adc: Add TI ADC128S052") Signed-off-by: Christophe JAILLET Reviewed-by: Alexandru Ardelean Link: https://lore.kernel.org/r/85189f1cfcf6f5f7b42d8730966f2a074b07b5f5.1629542160.git.christophe.jaillet@wanadoo.fr Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/adc/ti-adc128s052.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/iio/adc/ti-adc128s052.c +++ b/drivers/iio/adc/ti-adc128s052.c @@ -168,7 +168,13 @@ static int adc128_probe(struct spi_devic mutex_init(&adc->lock); ret = iio_device_register(indio_dev); + if (ret) + goto err_disable_regulator; + return 0; + +err_disable_regulator: + regulator_disable(adc->reg); return ret; }