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From: Tang Bin <tangbin@cmss.chinamobile.com>
To: robdclark@gmail.com, agross@kernel.org
Cc: bjorn.andersson@linaro.org, joro@8bytes.org,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Tang Bin <tangbin@cmss.chinamobile.com>
Subject: [PATCH] iommu/qcom:fix local_base status check
Date: Wed,  1 Apr 2020 23:20:08 +0800	[thread overview]
Message-ID: <20200401152008.16740-1-tangbin@cmss.chinamobile.com> (raw)

Release resources when exiting on error.

Signed-off-by: Tang Bin <tangbin@cmss.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




             reply	other threads:[~2020-04-01 15:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-01 15:20 Tang Bin [this message]
2020-04-01 23:36 ` [PATCH] iommu/qcom:fix local_base status check Bjorn Andersson
2020-04-02  6:33 Tang Bin
2020-04-02  6:45 ` Bjorn Andersson
2020-04-16  6:42   ` Tang Bin
2020-04-18 11:54     ` Joerg Roedel
2020-04-18 13:08       ` Tang Bin
2020-04-16 10:05 ` Robin Murphy
2020-04-16 10:12   ` Tang Bin

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