[dpdk-dev] [PATCH v3 6/6] eal/common/rte_malloc: use pointer diff in virt2iova

Santosh Shukla santosh.shukla at caviumnetworks.com
Fri Oct 20 14:31:36 CEST 2017


Use RTE_PTR_DIFF macro in rte_mem_virt2iova api.

Suggested-by: Anatoly Burakov <anatoly.burakov at intel.com>
Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
---
 lib/librte_eal/common/rte_malloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_eal/common/rte_malloc.c b/lib/librte_eal/common/rte_malloc.c
index f8473832a..aa3bd5687 100644
--- a/lib/librte_eal/common/rte_malloc.c
+++ b/lib/librte_eal/common/rte_malloc.c
@@ -262,6 +262,6 @@ rte_malloc_virt2iova(const void *addr)
 		paddr = (uintptr_t)addr;
 	else
 		paddr = elem->ms->iova_addr +
-			((uintptr_t)addr - (uintptr_t)elem->ms->addr);
+			RTE_PTR_DIFF(addr, elem->ms->addr);
 	return paddr;
 }
-- 
2.14.1



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