From: Liu Xiang <[email protected]>

[ 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 <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 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 47dc7a793f5cf..bc22065d2afa8 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -916,6 +916,7 @@ 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);
-- 
2.20.1

_______________________________________________
iommu mailing list
[email protected]
https://lists.linuxfoundation.org/mailman/listinfo/iommu

Reply via email to