Messages in this thread Patch in this message | | | From | Cyril Roelandt <> | Subject | [PATCH 2/5] iommu: remove redundant NULL check before dma_ops_domain_free(). | Date | Tue, 12 Feb 2013 05:01:50 +0100 |
| |
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> --- drivers/iommu/amd_iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index d33eaaf..98f555d 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -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; -- 1.7.10.4
| |