diff --git a/drivers/iommu/iommufd/pages.c b/drivers/iommu/iommufd/pages.c
index dbe51ecb9a20..8c7681192a07 100644
--- a/drivers/iommu/iommufd/pages.c
+++ b/drivers/iommu/iommufd/pages.c
@@ -1735,7 +1735,7 @@ static void __iopt_area_unfill_domain(struct iopt_area *area,
 	unsigned long start_index = iopt_area_index(area);
 	unsigned long unmapped_end_index = start_index;
 	u64 backup[BATCH_BACKUP_SIZE];
-	struct pfn_batch batch;
+	struct pfn_batch batch = {};
 
 	lockdep_assert_held(&pages->mutex);
 
@@ -1897,7 +1897,7 @@ int iopt_area_fill_domains(struct iopt_area *area, struct iopt_pages *pages)
 	unsigned long done_all_end_index;
 	struct iommu_domain *domain;
 	unsigned long unmap_index;
-	struct pfn_reader pfns;
+	struct pfn_reader pfns = {};
 	unsigned long index;
 	int rc;