arm64/iommu: Fix a resource leak in smmu_domain_alloc()
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Authored by markj on Jan 12 2026, 9:16 PM.

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br
andrew
manu

Commits

rG4d9eaa04bde6: arm64/iommu: Fix a resource leak in smmu_domain_alloc()
rG6740cccb1eff: arm64/iommu: Fix a resource leak in smmu_domain_alloc()

Summary

We should free the allocated ASID if smmu_init_cd() fails.

Move the allocation of "domain" to simplify the first error path.

Reported by: Kevin Day <kevin@your.org>

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rG FreeBSD src repository

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Build Status

Buildable 69838
Build 66721: arc lint + arc unit

Event Timeline

markj created this revision.Jan 12 2026, 9:16 PM

Herald added a reviewer: andrew. · View Herald TranscriptJan 12 2026, 9:16 PM

Herald added a reviewer: andrew. · View Herald Transcript

Herald added a reviewer: manu. · View Herald Transcript

Herald added subscribers: emaste, imp. · View Herald Transcript

markj requested review of this revision.Jan 12 2026, 9:16 PM

Harbormaster completed remote builds in B69838: Diff 169544.Jan 14 2026, 12:50 AM

br accepted this revision.Jan 15 2026, 8:36 AM

This revision is now accepted and ready to land.Jan 15 2026, 8:36 AM

Closed by commit rG6740cccb1eff: arm64/iommu: Fix a resource leak in smmu_domain_alloc() (authored by markj). · Explain WhyJan 15 2026, 2:21 PM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rG6740cccb1eff: arm64/iommu: Fix a resource leak in smmu_domain_alloc().

markj added a commit: rG4d9eaa04bde6: arm64/iommu: Fix a resource leak in smmu_domain_alloc().Mon, Jan 26, 12:53 AM

Revision Contents
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Path

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sys/

arm64/

iommu/

smmu.c

5 lines

Diff 169544

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arm64/iommu: Fix a resource leak in smmu_domain_alloc()ClosedPublicActions