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authorDan Carpenter <dan.carpenter@oracle.com>2016-11-24 14:05:44 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-12 11:39:28 +0100
commit48ffae87e91346382790af10d793cba4d2e1d341 (patch)
tree5d6ccb79ea32925ab8e3792651177f99a4dcdf54 /drivers/iommu
parent54eed7ab1367f3d802ba516a60967e8547224a55 (diff)
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.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 594849a3a9be..f8ed8c95b685 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)