Message ID | 20190306225009.3391-3-digetx@gmail.com |
---|---|
State | Deferred |
Headers | show |
Series | IOMMU: Tegra SMMU fixes | expand |
On Thu, Mar 07, 2019 at 01:50:08AM +0300, Dmitry Osipenko wrote: > 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(+) Acked-by: Thierry Reding <treding@nvidia.com>
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); }
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(+)