From: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Date: Fri, 20 Oct 2017 12:31:36 +0000 (+0530)
Subject: malloc: use pointer diff macro in IOVA mapping
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=b51c140a1e97a12c31aeb061276577440a5e9da5

malloc: use pointer diff macro in IOVA mapping

Use RTE_PTR_DIFF macro in rte_mem_virt2iova api.

Suggested-by: Anatoly Burakov <anatoly.burakov@intel.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---

diff --git a/lib/librte_eal/common/rte_malloc.c b/lib/librte_eal/common/rte_malloc.c
index 53057fcba9..fe2278bcd7 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;
 }