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/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 7f39736..e2a39b9 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -778,7 +778,7 @@
 	return kaweth->linkstate;
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo	= kaweth_get_drvinfo,
 	.get_link	= kaweth_get_link
 };