Commit 7a0f06c1 authored by Parav Pandit's avatar Parav Pandit Committed by Joerg Roedel
Browse files

iommu/vt-d: No need to typecast 



Page directory assignment by alloc_pgtable_page() or phys_to_virt()
doesn't need typecasting as both routines return void*. Hence, remove
typecasting from both the calls.

Signed-off-by: default avatarParav Pandit <parav@nvidia.com>
Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210530075053.264218-1-parav@nvidia.com
Link: https://lore.kernel.org/r/20210610020115.1637656-24-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 9739ba32

drivers/iommu/intel/iommu.c

+2 −3
Original line number Diff line number Diff line
@@ -4506,7 +4506,7 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width) 
	domain->max_addr = 0;



	/* always allocate the top pgd */

	domain->pgd = (struct dma_pte *)alloc_pgtable_page(domain->nid);

	domain->pgd = alloc_pgtable_page(domain->nid);

	if (!domain->pgd)

		return -ENOMEM;

	domain_flush_cache(domain, domain->pgd, PAGE_SIZE);
@@ -4774,8 +4774,7 @@ static int prepare_domain_attach_device(struct iommu_domain *domain, 


		pte = dmar_domain->pgd;

		if (dma_pte_present(pte)) {

			dmar_domain->pgd = (struct dma_pte *)

				phys_to_virt(dma_pte_addr(pte));

			dmar_domain->pgd = phys_to_virt(dma_pte_addr(pte));

			free_pgtable_page(pte);

		}

		dmar_domain->agaw--;