The branch stable/13 has been updated by dougm: URL: https://cgit.FreeBSD.org/src/commit/?id=895d8b1d3c33e29d98a91fe96c7cac328557f6e5
commit 895d8b1d3c33e29d98a91fe96c7cac328557f6e5 Author: Alan Cox <[email protected]> AuthorDate: 2022-06-21 04:48:31 +0000 Commit: Doug Moore <[email protected]> CommitDate: 2022-07-06 16:53:38 +0000 iommu_gas: Add a missing error-case unlock Release the domain lock when iommu_gas_reserve_region_extend()'s call to iommu_gas_reserve_region_locked() fails. MFC after: 2 weeks (cherry picked from commit 0ba1d8608234eee767b475627da6e5903ce7536a) --- sys/dev/iommu/iommu_gas.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/dev/iommu/iommu_gas.c b/sys/dev/iommu/iommu_gas.c index aa2763e4e47f..48b27d6e81dc 100644 --- a/sys/dev/iommu/iommu_gas.c +++ b/sys/dev/iommu/iommu_gas.c @@ -786,8 +786,10 @@ iommu_gas_reserve_region_extend(struct iommu_domain *domain, if (entry_start != entry_end) { error = iommu_gas_reserve_region_locked(domain, entry_start, entry_end, entry); - if (error != 0) + if (error != 0) { + IOMMU_DOMAIN_UNLOCK(domain); break; + } entry = NULL; } IOMMU_DOMAIN_UNLOCK(domain);
