[spp] [PATCH 4/6] spp_vm: fix to use uint16_t port_id in do_add

[ogawa.yasufumi@lab.ntt.co.jp]

From: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>

Modify to use uint16_t type for port_id.

Signed-off-by: Yasufumi Ogawa <ogawa.yasufumi@lab.ntt.co.jp>
---
 src/vm/main.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/vm/main.c b/src/vm/main.c
index 3807370..2813fca 100644
--- a/src/vm/main.c
+++ b/src/vm/main.c
@@ -373,7 +373,7 @@ static int
 do_add(char *res_uid)
 {
 	enum port_type type = UNDEF;
-	int port_id = PORT_RESET;
+	uint16_t port_id = PORT_RESET;
 	char *p_type;
 	int p_id;
 	int res;
@@ -384,11 +384,13 @@ do_add(char *res_uid)
 
 	if (!strcmp(p_type, "ring")) {
 		type = RING;
-		port_id = add_ring_pmd(p_id);
+		res = add_ring_pmd(p_id);
 	}
 
-	if (port_id < 0)
+	if (res < 0)
 		return -1;
+	else
+		port_id = (uint16_t) res;
 
 	port_map[port_id].id = p_id;
 	port_map[port_id].port_type = type;
-- 
2.7.4