iommu/amd: Remove redundant NULL check before dma_ops_domain_free().
dma_ops_domain_free on a NULL pointer is a no-op, so the NULL check in amd_iommu_init_dma_ops() can be removed. Signed-off-by: Cyril Roelandt <tipecaml@gmail.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
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@ -3187,8 +3187,7 @@ int __init amd_iommu_init_dma_ops(void)
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free_domains:
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for_each_iommu(iommu) {
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if (iommu->default_dom)
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dma_ops_domain_free(iommu->default_dom);
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dma_ops_domain_free(iommu->default_dom);
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}
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return ret;
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