net/vdev_netvsc: add check for specifying by 1 way

[dpdk.git] / drivers / net / vdev_netvsc / vdev_netvsc.c

diff --git a/drivers/net/vdev_netvsc/vdev_netvsc.c b/drivers/net/vdev_netvsc/vdev_netvsc.c
index ed040be..79d1324 100644 (file)
--- a/drivers/net/vdev_netvsc/vdev_netvsc.c
+++ b/drivers/net/vdev_netvsc/vdev_netvsc.c
@@ -702,6 +702,11 @@ vdev_netvsc_vdev_probe(struct rte_vdev_device *dev)
                        rte_kvargs_free(kvargs);
                return 0;
        }
+       if (specified > 1) {
+               DRV_LOG(ERR, "More than one way used to specify the netvsc"
+                       " device.");
+               goto error;
+       }
        rte_eal_alarm_cancel(vdev_netvsc_alarm, NULL);
        /* Gather interfaces. */
        ret = vdev_netvsc_foreach_iface(vdev_netvsc_netvsc_probe, name, kvargs,