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path: root/drivers/iommu/qcom_iommu.c
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Diffstat (limited to 'drivers/iommu/qcom_iommu.c')
-rw-r--r--drivers/iommu/qcom_iommu.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index 34d0b9783b3e..41cf9bd5a600 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -775,7 +775,7 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
struct qcom_iommu_dev *qcom_iommu;
struct device *dev = &pdev->dev;
struct resource *res;
- int ret, sz, max_asid = 0;
+ int ret, max_asid = 0;
/* find the max asid (which is 1:1 to ctx bank idx), so we know how
* many child ctx devices we have:
@@ -783,9 +783,8 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
for_each_child_of_node(dev->of_node, child)
max_asid = max(max_asid, get_asid(child));
- sz = sizeof(*qcom_iommu) + (max_asid * sizeof(qcom_iommu->ctxs[0]));
-
- qcom_iommu = devm_kzalloc(dev, sz, GFP_KERNEL);
+ qcom_iommu = devm_kzalloc(dev, struct_size(qcom_iommu, ctxs, max_asid),
+ GFP_KERNEL);
if (!qcom_iommu)
return -ENOMEM;
qcom_iommu->num_ctxs = max_asid;