iommu: Remove device link to group on failure

commit 7d4e6ccd1fb09dbfbc49746ca82bd5c25ad4bfe4 upstream.

This adds the missing teardown step that removes the device link from
the group when the device addition fails.

Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Fixes: 797a8b4d768c5 ("iommu: Handle default domain attach failure")
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index bc14825..ee25ec2 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -650,6 +650,7 @@ err_put_group:
        mutex_unlock(&group->mutex);
        dev->iommu_group = NULL;
        kobject_put(group->devices_kobj);
+       sysfs_remove_link(group->devices_kobj, device->name);
 err_free_name:
        kfree(device->name);
 err_remove_link: