[dpdk-dev] [PATCH v4 06/15] malloc: use pointer diff macro in IOVA mapping

[Thomas Monjalon]

From: Santosh Shukla <santosh.shukla at caviumnetworks.com>

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 53057fcba..fe2278bcd 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)
 		iova = (uintptr_t)addr;
 	else
 		iova = elem->ms->iova +
-			((uintptr_t)addr - (uintptr_t)elem->ms->addr);
+			RTE_PTR_DIFF(addr, elem->ms->addr);
 	return iova;
 }
-- 
2.14.2