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iommu/amd: Remove redundant NULL check before dma_ops_domain_free().

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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>
This commit is contained in:
Cyril Roelandt 2013-02-12 05:01:50 +01:00 committed by Joerg Roedel
parent f528d980c1
commit 91457df773
1 changed files with 1 additions and 2 deletions
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3
drivers/iommu/amd_iommu.c
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@ -3187,8 +3187,7 @@ int __init amd_iommu_init_dma_ops(void)
free_domains:
for_each_iommu(iommu) {
if (iommu->default_dom)
dma_ops_domain_free(iommu->default_dom);
dma_ops_domain_free(iommu->default_dom);
}
return ret;