Release all memory allocations associated with a released domain and emit
warning if domain is in-use at the time of destruction.

Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
 drivers/iommu/tegra-smmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 8d30653cd13a..27b1249f0773 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -327,6 +327,9 @@ static void tegra_smmu_domain_free(struct iommu_domain 
*domain)
 
        /* TODO: free page directory and page tables */
 
+       WARN_ON_ONCE(as->use_count);
+       kfree(as->count);
+       kfree(as->pts);
        kfree(as);
 }
 
-- 
2.20.1

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