netdev: drivers should make ethtool_ops const

No need to put ethtool_ops in data, they should be const.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 4c75409..f114813 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -285,7 +285,7 @@
 	strcpy(info->version, "42");
 }
 
-static struct ethtool_ops uml_net_ethtool_ops = {
+static const struct ethtool_ops uml_net_ethtool_ops = {
 	.get_drvinfo	= uml_net_get_drvinfo,
 	.get_link	= ethtool_op_get_link,
 };