On 2016å¹´04æ05æ¥ 21:50, John Keeping wrote:
> arm_iommu_attach_device() takes its own reference to the mapping we give
> it. Since we do not keep a reference to the mapping ourselves, we must
> release it before returning.
>
> Also fix the error path, which fails to release the mapping if it h
arm_iommu_attach_device() takes its own reference to the mapping we give
it. Since we do not keep a reference to the mapping ourselves, we must
release it before returning.
Also fix the error path, which fails to release the mapping if it has
called arm_iommu_detach_device() since that clears arc