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| author | Joerg Roedel <jroedel@suse.de> | 2020-04-29 16:36:44 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-05-05 15:36:12 +0300 |
| commit | 57bd2c24ba1673bd47828f6ac5eaaa6292a03582 (patch) | |
| tree | a9fab2aef03b25662d4ed2803c52d57df000daec /drivers/iommu/amd_iommu.c | |
| parent | c0da9b9f5afdb56ae2aaccf79f36a358ac8454c8 (diff) | |
| download | linux-57bd2c24ba1673bd47828f6ac5eaaa6292a03582.tar.xz | |
iommu/amd: Return -ENODEV in add_device when device is not handled by IOMMU
When check_device() fails on the device, it is not handled by the
IOMMU and amd_iommu_add_device() needs to return -ENODEV.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200429133712.31431-7-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 504f2db75eda..3e0d27f7622e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2157,9 +2157,12 @@ static int amd_iommu_add_device(struct device *dev) struct amd_iommu *iommu; int ret, devid; - if (!check_device(dev) || get_dev_data(dev)) + if (get_dev_data(dev)) return 0; + if (!check_device(dev)) + return -ENODEV; + devid = get_device_id(dev); if (devid < 0) return devid; |