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>

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index c1c74e030a58df6ea1020cec05c0f01acb14fb76..f6f4a62ddf094e9cbf992230cb92ca48ba799795 100644 (file)
--- 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;