[PATCH] iommu/arm-smmu-v3: Fix incorrect return in arm_smmu_attach_dev

[Will Deacon]

On Tue, 22 Apr 2025 19:29:51 +0800, Qinxin Xia wrote:
> An error is introduced in commit '48e7b8e284e5'. When the smmu
> does not match with domain,an error code is not returned.
> An example of an error scenario: In vfio_iommu_type1_attach_group,
> vfio will try to match an existing compatible domain. During this process,
> iommu invokes the attach_dev interface.The mismatched dev and domain
> does not return an error code as expected.
> As a result, an exception occurs when the vfio operates the smmu.
> 
> [...]

Applied to iommu (arm/smmu/updates), thanks!

[1/1] iommu/arm-smmu-v3: Fix incorrect return in arm_smmu_attach_dev
      https://git.kernel.org/iommu/c/be5a2d3f8f97

Cheers,
-- 
Will

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