iommu/vt-d: Don't return error when device gets right domain

If a device gets a right domain in add_device ops, it shouldn't
return error.

Fixes: 942067f1b6b97 ("iommu/vt-d: Identify default domains replaced with private")
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 10bdf7ea9564..60ec58bf6701 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -5388,10 +5388,7 @@ static int intel_iommu_add_device(struct device *dev)
                                 domain_add_dev_info(si_domain, dev);
                                 dev_info(dev,
                                          "Device uses a private identity domain.\n");
-                                return 0;
                         }
-
-                        return -ENODEV;
                 }
         } else {
                 if (device_def_domain_type(dev) == IOMMU_DOMAIN_DMA) {
@@ -5406,10 +5403,7 @@ static int intel_iommu_add_device(struct device *dev)
 
                                 dev_info(dev,
                                          "Device uses a private dma domain.\n");
-                                return 0;
                         }
-
-                        return -ENODEV;
                 }
         }