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iommu/amd: Free page-table in protection_domain_free()

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Align release of the page-table with the place where it is allocated.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20200527115313.7426-6-joro@8bytes.org
This commit is contained in:
Joerg Roedel 2020-05-27 13:53:08 +02:00
parent a71730e225
commit 75b2774509
1 changed files with 6 additions and 5 deletions
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11
drivers/iommu/amd_iommu.c
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@ -2387,12 +2387,18 @@ static void cleanup_domain(struct protection_domain *domain)
static void protection_domain_free(struct protection_domain *domain)
{
struct domain_pgtable pgtable;
if (!domain)
return;
if (domain->id)
domain_id_free(domain->id);
amd_iommu_domain_get_pgtable(domain, &pgtable);
atomic64_set(&domain->pt_root, 0);
free_pagetable(&pgtable);
kfree(domain);
}
@ -2476,7 +2482,6 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type)
static void amd_iommu_domain_free(struct iommu_domain *dom)
{
struct protection_domain *domain;
struct domain_pgtable pgtable;
domain = to_pdomain(dom);
@ -2494,10 +2499,6 @@ static void amd_iommu_domain_free(struct iommu_domain *dom)
dma_ops_domain_free(domain);
break;
default:
amd_iommu_domain_get_pgtable(domain, &pgtable);
atomic64_set(&domain->pt_root, 0);
free_pagetable(&pgtable);
if (domain->flags & PD_IOMMUV2_MASK)
free_gcr3_table(domain);