From 4f97031ff8605c1e8388a650bc5708ceda4357d5 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Thu, 7 Mar 2019 01:50:08 +0300 Subject: iommu/tegra-smmu: Properly release domain resources 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 Acked-by: Thierry Reding Signed-off-by: Joerg Roedel --- drivers/iommu/tegra-smmu.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/iommu/tegra-smmu.c') 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); } -- cgit v1.2.3