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

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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: bd529dbb66 ("iommufd: Add a nested HW pagetable object")
Link: https://patch.msgid.link/r/0-v1-c8770519edde+1a-iommufd_nesting_ops_jgg@nvidia.com
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Jason Gunthorpe 2024-08-29 10:19:59 -03:00

parent 76889bbaab

commit 73183ad6ea

1 changed files with 2 additions and 1 deletions

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drivers/iommu/iommufd/hw_pagetable.c

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