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iommu/amd: Missing error code in amd_iommu_init_device()

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We should set "ret" to -EINVAL if iommu_group_get() fails.

Fixes: 55c99a4dc50f ("iommu/amd: Use iommu_attach_group()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Dan Carpenter 2016-11-24 14:05:44 +03:00 committed by Joerg Roedel
parent 62280cf2e8
commit 24c790fbf5
1 changed files with 3 additions and 1 deletions
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4
drivers/iommu/amd_iommu_v2.c
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@ -805,8 +805,10 @@ 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)