iommufd: Check the domain owner of the parent before creating a nesting domain

This check was missed, before we can pass a struct iommu_domain to a
driver callback we need to validate that the domain was created by that
driver.

Fixes: bd529dbb661d ("iommufd: Add a nested HW pagetable object")
Link: https://patch.msgid.link/r/[email protected]
Reviewed-by: Nicolin Chen <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>

0 files changed, 0 insertions, 0 deletions