On 2020/4/16 18:05, Robin Murphy wrote:
On 2020-04-02 7:33 am, Tang Bin wrote:
Release resources when exiting on error.
Signed-off-by: Tang Bin <[email protected]>
---
drivers/iommu/qcom_iommu.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index 4328da0b0..c08aa9651 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -813,8 +813,11 @@ static int qcom_iommu_device_probe(struct
platform_device *pdev)
qcom_iommu->dev = dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res)
+ 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);
+ }
...or just use devm_platform_ioremap_resource() to make the whole
thing simpler.
Yes, I was going to simplify the code here, but status check is still
required.
So I'm waiting.
Thanks,
Tang Bin
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