diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-11-24 11:05:44 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-12 10:39:28 (GMT) |
| commit | 48ffae87e91346382790af10d793cba4d2e1d341 (patch) | |
| tree | 5d6ccb79ea32925ab8e3792651177f99a4dcdf54 /drivers/iommu | |
| parent | 54eed7ab1367f3d802ba516a60967e8547224a55 (diff) | |
| download | linux-48ffae87e91346382790af10d793cba4d2e1d341.tar.xz | |
iommu/amd: Missing error code in amd_iommu_init_device()
commit 24c790fbf5d8f54c8c82979db11edea8855b74bf upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_v2.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 594849a..f8ed8c9 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -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) |