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-rw-r--r--drivers/vfio/vfio_iommu_spapr_tce.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vfio/vfio_iommu_spapr_tce.c b/drivers/vfio/vfio_iommu_spapr_tce.c
index c424913324e3..8dbb270998f4 100644
--- a/drivers/vfio/vfio_iommu_spapr_tce.c
+++ b/drivers/vfio/vfio_iommu_spapr_tce.c
@@ -1235,7 +1235,8 @@ static void tce_iommu_release_ownership_ddw(struct tce_container *container,
}
for (i = 0; i < IOMMU_TABLE_GROUP_MAX_TABLES; ++i)
- table_group->ops->unset_window(table_group, i);
+ if (container->tables[i])
+ table_group->ops->unset_window(table_group, i);
table_group->ops->release_ownership(table_group);
}