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Subject[PATCH v1 2/3] iommu/tegra-smmu: Properly release domain resources
Date
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 <digetx@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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