From patchwork Tue Nov 3 07:49:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qinglang Miao X-Patchwork-Id: 11876121 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0AC386A2 for ; Tue, 3 Nov 2020 07:43:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EAEF222384 for ; Tue, 3 Nov 2020 07:43:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727917AbgKCHns (ORCPT ); Tue, 3 Nov 2020 02:43:48 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:7409 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725958AbgKCHnr (ORCPT ); Tue, 3 Nov 2020 02:43:47 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CQMGj6Slbz71th; Tue, 3 Nov 2020 15:43:41 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.487.0; Tue, 3 Nov 2020 15:43:33 +0800 From: Qinglang Miao To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Heiko Stuebner CC: , , , , Qinglang Miao Subject: [PATCH v2] iio: adc: rockchip_saradc: fix missing clk_disable_unprepare() on error in rockchip_saradc_resume Date: Tue, 3 Nov 2020 15:49:09 +0800 Message-ID: <20201103074909.195465-1-miaoqinglang@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Fix the missing clk_disable_unprepare() of info->pclk before return from rockchip_saradc_resume in the error handling case when fails to prepare and enable info->clk. Fixes: 44d6f2ef94f9 ("iio: adc: add driver for Rockchip saradc") Signed-off-by: Qinglang Miao --- drivers/iio/adc/rockchip_saradc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 1f3d7d639..5eb566274 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -461,9 +461,10 @@ static int rockchip_saradc_resume(struct device *dev) return ret; ret = clk_prepare_enable(info->clk); - if (ret) + if (ret) { + clk_disable_unprepare(info->pclk); return ret; - + } return ret; } #endif