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/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 578c697..d3b69a4 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -14,7 +14,7 @@
 #include "defs.h"
 #include "hostcmd.h"
 
-extern struct ethtool_ops lbs_ethtool_ops;
+extern const struct ethtool_ops lbs_ethtool_ops;
 
 #define	MAX_BSSID_PER_CHANNEL		16
 
diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index b118a35..039b555 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -183,7 +183,7 @@
 	return lbs_host_sleep_cfg(priv, criteria, (struct wol_config *)NULL);
 }
 
-struct ethtool_ops lbs_ethtool_ops = {
+const struct ethtool_ops lbs_ethtool_ops = {
 	.get_drvinfo = lbs_ethtool_get_drvinfo,
 	.get_eeprom =  lbs_ethtool_get_eeprom,
 	.get_eeprom_len = lbs_ethtool_get_eeprom_len,