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-rw-r--r--drivers/iommu/amd_iommu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 596b95c50051..e688169721b8 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1404,6 +1404,8 @@ static u64 *fetch_pte(struct protection_domain *domain,
int level;
u64 *pte;
+ *page_size = 0;
+
if (address > PM_LEVEL_SIZE(domain->mode))
return NULL;