x86/amd-iommu: Report errors in acpi parsing functions upstream

Since acpi_table_parse ignores the return values of the
parsing function this patch introduces a workaround and
reports these errors upstream via a global variable.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2010-03-01 13:52:19 +01:00
commit 3551a708f3