From: Liu Xiang liuxiang_1999@126.com
[ Upstream commit 6db7bfb431220d78e34d2d0afdb7c12683323588 ]
When alloc_io_pgtable_ops is failed, context bitmap which is just allocated by __arm_smmu_alloc_bitmap should be freed to release the resource.
Signed-off-by: Liu Xiang liuxiang_1999@126.com Signed-off-by: Will Deacon will@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/arm-smmu.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 0c3b8f1c7225e..cfd3428627243 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -915,6 +915,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, return 0;
out_clear_smmu: + __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); smmu_domain->smmu = NULL; out_unlock: mutex_unlock(&smmu_domain->init_mutex);