[PATCH 2/2] mempool: fix unused warning with MSVC

[Stephen Hemminger <stephen@networkplumber.org>]

Applying __rte_unused to a variable has no effect with MS
windows compiler. The temporary variable used if debug
enabled can just be eliminated.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/mempool/rte_mempool.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/mempool/rte_mempool.c b/lib/mempool/rte_mempool.c
index 734e8a2feb..2ac815a3bb 100644
--- a/lib/mempool/rte_mempool.c
+++ b/lib/mempool/rte_mempool.c
@@ -164,7 +164,6 @@ mempool_add_elem(struct rte_mempool *mp, __rte_unused void *opaque,
 		 void *obj, rte_iova_t iova)
 {
 	struct rte_mempool_objhdr *hdr;
-	struct rte_mempool_objtlr *tlr __rte_unused;
 
 	/* set mempool ptr in header */
 	hdr = RTE_PTR_SUB(obj, sizeof(*hdr));
@@ -175,8 +174,7 @@ mempool_add_elem(struct rte_mempool *mp, __rte_unused void *opaque,
 
 #ifdef RTE_LIBRTE_MEMPOOL_DEBUG
 	hdr->cookie = RTE_MEMPOOL_HEADER_COOKIE2;
-	tlr = rte_mempool_get_trailer(obj);
-	tlr->cookie = RTE_MEMPOOL_TRAILER_COOKIE;
+	rte_mempool_get_trailer(obj)->cookie = RTE_MEMPOOL_TRAILER_COOKIE;
 #endif
 }
 
-- 
2.43.0