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-rw-r--r--drivers/iommu/iommu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 8b3897239..83736824f 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1741,6 +1741,9 @@ static void probe_alloc_default_domain(struct bus_type *bus,
{
struct __group_domain_type gtype;
+ if (group->default_domain)
+ return;
+
memset(&gtype, 0, sizeof(gtype));
/* Ask for default domain requirements of all devices in the group */