From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 5.0 193/262] soc: qcom: gsbi: Fix error handling in gsbi_probe() Date: Wed, 27 Mar 2019 14:00:48 -0400 Message-ID: <20190327180158.10245-193-sashal@kernel.org> References: <20190327180158.10245-1-sashal@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190327180158.10245-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexey Khoroshilov , Bjorn Andersson , Andy Gross , Sasha Levin , linux-arm-msm@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org From: Alexey Khoroshilov [ Upstream commit 8cd09a3dd3e176c62da67efcd477a44a8d87185e ] If of_platform_populate() fails in gsbi_probe(), gsbi->hclk is left undisabled. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov Signed-off-by: Bjorn Andersson Signed-off-by: Andy Gross Signed-off-by: Sasha Levin --- drivers/soc/qcom/qcom_gsbi.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/soc/qcom/qcom_gsbi.c b/drivers/soc/qcom/qcom_gsbi.c index 09c669e70d63..038abc377fdb 100644 --- a/drivers/soc/qcom/qcom_gsbi.c +++ b/drivers/soc/qcom/qcom_gsbi.c @@ -138,7 +138,7 @@ static int gsbi_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; struct gsbi_info *gsbi; - int i; + int i, ret; u32 mask, gsbi_num; const struct crci_config *config = NULL; @@ -221,7 +221,10 @@ static int gsbi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gsbi); - return of_platform_populate(node, NULL, NULL, &pdev->dev); + ret = of_platform_populate(node, NULL, NULL, &pdev->dev); + if (ret) + clk_disable_unprepare(gsbi->hclk); + return ret; } static int gsbi_remove(struct platform_device *pdev) -- 2.19.1