1 files changed, 4 insertions, 0 deletions

diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 78c80f67f535..967aba133a62 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -187,6 +187,8 @@ int kvm_assign_device(struct kvm *kvm,
                         goto out_unmap;
         }
 
+        pdev->dev_flags |= PCI_DEV_FLAGS_ASSIGNED;
+
         printk(KERN_DEBUG "assign device %x:%x:%x.%x\n",
                 assigned_dev->host_segnr,
                 assigned_dev->host_busnr,
@@ -215,6 +217,8 @@ int kvm_deassign_device(struct kvm *kvm,
 
         iommu_detach_device(domain, &pdev->dev);
 
+        pdev->dev_flags &= ~PCI_DEV_FLAGS_ASSIGNED;
+
         printk(KERN_DEBUG "deassign device %x:%x:%x.%x\n",
                 assigned_dev->host_segnr,
                 assigned_dev->host_busnr,