diff options
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 8c53748a769d..8ccbd7023194 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -68,7 +68,6 @@ DECLARE_RWSEM(dmar_global_lock); LIST_HEAD(dmar_drhd_units); struct acpi_table_header * __initdata dmar_tbl; -static acpi_size dmar_tbl_size; static int dmar_dev_scope_status = 1; static unsigned long dmar_seq_ids[BITS_TO_LONGS(DMAR_UNITS_SUPPORTED)]; @@ -543,9 +542,7 @@ static int __init dmar_table_detect(void) acpi_status status = AE_OK; /* if we could find DMAR table, then there are DMAR devices */ - status = acpi_get_table_with_size(ACPI_SIG_DMAR, 0, - (struct acpi_table_header **)&dmar_tbl, - &dmar_tbl_size); + status = acpi_get_table(ACPI_SIG_DMAR, 0, &dmar_tbl); if (ACPI_SUCCESS(status) && !dmar_tbl) { pr_warn("Unable to map DMAR\n"); @@ -906,8 +903,10 @@ int __init detect_intel_iommu(void) x86_init.iommu.iommu_init = intel_iommu_init; #endif - early_acpi_os_unmap_memory((void __iomem *)dmar_tbl, dmar_tbl_size); - dmar_tbl = NULL; + if (dmar_tbl) { + acpi_put_table(dmar_tbl); + dmar_tbl = NULL; + } up_write(&dmar_global_lock); return ret ? 1 : -ENODEV; |