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iommu: Use __iommu_group_set_domain() in iommu_change_dev_def_domain()

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This is missing re-attach error handling if the attach fails, use the
common code.

The ugly "group->domain = prev_domain" will be cleaned in a later patch.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/5-v5-1b99ae392328+44574-iommu_err_unwind_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Jason Gunthorpe 2023-05-11 01:42:03 -03:00 committed by Joerg Roedel
parent ecd60dc5d2
commit 4c8ad9da05
1 changed files with 3 additions and 3 deletions
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6
drivers/iommu/iommu.c
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@ -2946,11 +2946,12 @@ static int iommu_change_dev_def_domain(struct iommu_group *group,
if (ret)
goto restore_old_domain;
ret = iommu_group_create_direct_mappings(group);
group->domain = prev_dom;
ret = iommu_create_device_direct_mappings(group, dev);
if (ret)
goto free_new_domain;
ret = __iommu_attach_group(group->default_domain, group);
ret = __iommu_group_set_domain(group, group->default_domain);
if (ret)
goto free_new_domain;
@ -2962,7 +2963,6 @@ free_new_domain:
iommu_domain_free(group->default_domain);
restore_old_domain:
group->default_domain = prev_dom;
group->domain = prev_dom;
return ret;
}