Release associated invalidation queue when destroying IOMMU unit
to avoid memory leak.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
drivers/iommu/dmar.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 812b596..a9d9d0f 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -745,6 +745,12 @@ static void free_iommu(struct intel_iommu *iommu)
destroy_irq(iommu->irq);
}
+ if (iommu->qi) {
+ free_page((unsigned long)iommu->qi->desc);
+ kfree(iommu->qi->desc_status);
+ kfree(iommu->qi);
+ }
+
if (iommu->reg)
unmap_iommu(iommu);
--
1.7.10.4
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