vfio: Use vma_lookup() instead of find_vma_intersection()

Use the new vma_lookup() call for abstraction & code readability.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 402668fef05dc31fb9b5a45087775b98b6d1a37b..ffba01063cc65d7f71e1c6e4c94c0e2228064bb3 100644 (file)
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -568,7 +568,7 @@ static int vaddr_get_pfns(struct mm_struct *mm, unsigned long vaddr,
        vaddr = untagged_addr(vaddr);
 
 retry:
-       vma = find_vma_intersection(mm, vaddr, vaddr + 1);
+       vma = vma_lookup(mm, vaddr);
 
        if (vma && vma->vm_flags & VM_PFNMAP) {
                ret = follow_fault_pfn(vma, mm, vaddr, pfn, prot & IOMMU_WRITE);