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    Subject[PATCH 1/6] iommu/vt-d: Don't return error when device gets right domain
    Date
    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>
    ---
    drivers/iommu/intel-iommu.c | 6 ------
    1 file changed, 6 deletions(-)

    diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
    index b431cc6f6ba4..d5a6c8064c56 100644
    --- a/drivers/iommu/intel-iommu.c
    +++ b/drivers/iommu/intel-iommu.c
    @@ -5360,10 +5360,7 @@ 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) {
    @@ -5378,10 +5375,7 @@ static int intel_iommu_add_device(struct device *dev)

    dev_info(dev,
    "Device uses a private dma domain.\n");
    - return 0;
    }
    -
    - return -ENODEV;
    }
    }

    --
    2.17.1
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