Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / iommu / amd_iommu_v2.c

diff --git a/kernel/drivers/iommu/amd_iommu_v2.c b/kernel/drivers/iommu/amd_iommu_v2.c
index 7caf2fa..4831eb9 100644 (file)
--- a/kernel/drivers/iommu/amd_iommu_v2.c
+++ b/kernel/drivers/iommu/amd_iommu_v2.c
@@ -809,8 +809,10 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids)
                goto out_free_domain;
 
        group = iommu_group_get(&pdev->dev);
-       if (!group)
+       if (!group) {
+               ret = -EINVAL;
                goto out_free_domain;
+       }
 
        ret = iommu_attach_group(dev_state->domain, group);
        if (ret != 0)