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Commit 0815565a authored by David Woodhouse's avatar David Woodhouse
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intel-iommu: Cope with broken HP DC7900 BIOS



Yet another reason why trusting this stuff to the BIOS was a bad idea.
The HP DC7900 BIOS reports an iommu at an address which just returns all
ones, when VT-d is disabled in the BIOS.

Fix up the missing iounmap in the error paths while we're at it.

Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent cfc65dd5
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