> From: Jason Gunthorpe <jgg@xxxxxxxxxx> > Sent: Thursday, April 20, 2023 12:12 AM > > Have release fully clean up the iommu related parts of the struct device, > no matter what state they are in. > > POWER creates iommu_groups without drivers attached, and the next patch > removes the open-coding of this same cleanup from POWER. > > Split the logic so that the three things owned by the iommu core are > always cleaned up: > - Any attached iommu_group > - Any allocated dev->iommu, eg for fwsepc > - Any attached driver via a struct group_device > > This fixes a bug where a fwspec created without an iommu_group being > probed would not be freed. > > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
