iommu/amd: Remove duplicate checking code

amd_iommu_rlookup_table[devid] != NULL is already guaranteed
by check_device called before, it's fine to attach device at
this point.

Signed-off-by: Vaughan Cao <vaughan.cao@oracle.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 57068e8035b5..bd8003d975bb 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3514,12 +3514,6 @@ int __init amd_iommu_init_passthrough(void)
                 dev_data = get_dev_data(&dev->dev);
                 dev_data->passthrough = true;
 
-                devid = get_device_id(&dev->dev);
-
-                iommu = amd_iommu_rlookup_table[devid];
-                if (!iommu)
-                        continue;
-
                 attach_device(&dev->dev, pt_domain);
         }