Re: [PATCH v3] iommu/s390: Add support for iommu_device handling

[Sebastian Ott]

On Fri, 11 Aug 2017, Sebastian Ott wrote:
> * That patch embedded a struct iommu_device within struct zpci_dev but
> the iommu_device has a release function (via its class) - so when
> the release function gets called it frees memory that was never allocated.
> The fix is to not embedd struct iommu_device in zpci_dev (see below)

While discussing the problem with Gerald he noticed that
struct iommu_device is embedded in other structs. So that
is potentially broken in other cases, too.

Sebastian