Re: [PATCH v1 2/3] iommu/tegra-smmu: Properly release domain resources
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 > --- > drivers/iommu/tegra-smmu.c | 3 +++ > 1 file changed, 3 insertions(+) Acked-by: Thierry Reding signature.asc Description: PGP signature ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
[PATCH v1 2/3] 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 --- 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 ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
