Commit 6db7bfb4 authored Sep 16, 2019 by Liu Xiang Committed by Will Deacon Oct 01, 2019

iommu/arm-smmu: Free context bitmap in the err path of arm_smmu_init_domain_context



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>

parent 54ecb8f7

drivers/iommu/arm-smmu.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -812,6 +812,7 @@ 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);

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