[PATCH] kvm: minor change in kvm_iommu_put_pages

[Fred R. Oxhey]

Moving the test right after domain is assigned.


Signed-off-by: Fred R. Oxhey <f...@manihacks.org>
---
 virt/kvm/iommu.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index e9fff98..8d2e1dc 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -287,13 +287,13 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
        u64 phys;

        domain  = kvm->arch.iommu_domain;
-       end_gfn = base_gfn + npages;
-       gfn     = base_gfn;
-
        /* check if iommu exists and in use */
        if (!domain)
                return;

+       end_gfn = base_gfn + npages;
+       gfn     = base_gfn;
+
        while (gfn < end_gfn) {
                unsigned long unmap_pages;
                size_t size;

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