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Date: Wed, 1 Apr 2020 23:20:08 +0800 From: Tang Bin <tangbin@...s.chinamobile.com> To: robdclark@...il.com, agross@...nel.org Cc: bjorn.andersson@...aro.org, joro@...tes.org, linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, Tang Bin <tangbin@...s.chinamobile.com> Subject: [PATCH] iommu/qcom:fix local_base status check Release resources when exiting on error. Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com> --- drivers/iommu/qcom_iommu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c index 4328da0b0..d4ec38b1e 100644 --- a/drivers/iommu/qcom_iommu.c +++ b/drivers/iommu/qcom_iommu.c @@ -815,6 +815,8 @@ static int qcom_iommu_device_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) qcom_iommu->local_base = devm_ioremap_resource(dev, res); + if (IS_ERR(qcom_iommu->local_base)) + return PTR_ERR(qcom_iommu->local_base); qcom_iommu->iface_clk = devm_clk_get(dev, "iface"); if (IS_ERR(qcom_iommu->iface_clk)) { -- 2.20.1.windows.1
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