iommu/amd: Free page-table in protection_domain_free() (75b27745) · Commits · 戴 / test

drivers/iommu/amd_iommu.c

+6 −5

Original line number	Diff line number	Diff line
		@@ -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);