return sierra_net_get_private(dev)->link_up && netif_running(net);
}
-static struct ethtool_ops sierra_net_ethtool_ops = {
+static const struct ethtool_ops sierra_net_ethtool_ops = {
.get_drvinfo = sierra_net_get_drvinfo,
.get_link = sierra_net_get_link,
.get_msglevel = usbnet_get_msglevel,