From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752357AbdLFTts (ORCPT ); Wed, 6 Dec 2017 14:49:48 -0500 Received: from 178.115.242.59.static.drei.at ([178.115.242.59]:54094 "EHLO mail.osadl.at" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751604AbdLFTtl (ORCPT ); Wed, 6 Dec 2017 14:49:41 -0500 From: Andreas Platschek To: linux-kernel@vger.kernel.org Cc: a.zummo@towertech.it, alexandre.belloni@free-electrons.com, linux-rtc@vger.kernel.org, Andreas Platschek Subject: [PATCH 1/2] rtc: omap: check for clk_prepare_enable() error Date: Wed, 6 Dec 2017 20:42:37 +0100 Message-Id: <20171206194238.12824-2-andreas.platschek@opentech.at> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171206194238.12824-1-andreas.platschek@opentech.at> References: <20171206194238.12824-1-andreas.platschek@opentech.at> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org clk_prepare_enable() returns an error -> check it. Signed-off-by: Andreas Platschek --- drivers/rtc/rtc-omap.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 1d666ac9ef70..ad309feb7d11 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -748,8 +748,15 @@ static int omap_rtc_probe(struct platform_device *pdev) else rtc->clk = devm_clk_get(&pdev->dev, "int-clk"); - if (!IS_ERR(rtc->clk)) - clk_prepare_enable(rtc->clk); + if (!IS_ERR(rtc->clk)) { + ret = clk_prepare_enable(rtc->clk); + if (ret) { + dev_err(&pdev->dev, + "Failed to enable rtc clk (%u)\n", ret); + return ret; + } + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); rtc->base = devm_ioremap_resource(&pdev->dev, res); -- 2.11.0