dpif: Add new dpif_port_exists() function.

[openvswitch] / lib / dpif-netdev.c

diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 7f91f48bf37cd1655eb2f70f3efca41b3026b890..a80b1b062df4ed5168b8ab089670f75c54cd66ac 100644 (file)
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -522,7 +522,7 @@ dpif_netdev_port_query_by_number(const struct dpif *dpif, uint32_t port_no,
     int error;
 
     error = get_port_by_number(dp, port_no, &port);
-    if (!error) {
+    if (!error && dpif_port) {
         answer_port_query(port, dpif_port);
     }
     return error;
@@ -537,7 +537,7 @@ dpif_netdev_port_query_by_name(const struct dpif *dpif, const char *devname,
     int error;
 
     error = get_port_by_name(dp, devname, &port);
-    if (!error) {
+    if (!error && dpif_port) {
         answer_port_query(port, dpif_port);
     }
     return error;