Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH v2] iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation | Date | Fri, 11 Jun 2021 17:15:43 +0100 |
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On Thu, 10 Jun 2021 10:49:20 +0800, Xiyu Yang wrote: > The reference counting issue happens in several exception handling paths > of arm_smmu_iova_to_phys_hard(). When those error scenarios occur, the > function forgets to decrease the refcount of "smmu" increased by > arm_smmu_rpm_get(), causing a refcount leak. > > Fix this issue by jumping to "out" label when those error scenarios > occur.
Applied to will (for-joerg/arm-smmu/updates), thanks!
[1/1] iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation https://git.kernel.org/will/c/7c8f176d6a3f
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
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