net: make ethtool_ops const

Auditing all usage of ethtool_ops found several drivers that
are not declaring the struct const when it should be.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

@@ -1963,7 +1963,7 @@ static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
 	return -EOPNOTSUPP;
 }
 
-static struct ethtool_ops cxgb_ethtool_ops = {
+static const struct ethtool_ops cxgb_ethtool_ops = {
 	.get_settings      = get_settings,
 	.set_settings      = set_settings,
 	.get_drvinfo       = get_drvinfo,

drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c

@@ -1564,7 +1564,7 @@ static void cxgb4vf_get_wol(struct net_device *dev,
  */
 #define TSO_FLAGS (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)
 
-static struct ethtool_ops cxgb4vf_ethtool_ops = {
+static const struct ethtool_ops cxgb4vf_ethtool_ops = {
 	.get_settings		= cxgb4vf_get_settings,
 	.get_drvinfo		= cxgb4vf_get_drvinfo,
 	.get_msglevel		= cxgb4vf_get_msglevel,

drivers/net/ethernet/freescale/fec.c

@@ -1152,7 +1152,7 @@ static void fec_enet_get_drvinfo(struct net_device *ndev,
 	strcpy(info->bus_info, dev_name(&ndev->dev));
 }
 
-static struct ethtool_ops fec_enet_ethtool_ops = {
+static const struct ethtool_ops fec_enet_ethtool_ops = {
 	.get_settings		= fec_enet_get_settings,
 	.set_settings		= fec_enet_set_settings,
 	.get_drvinfo		= fec_enet_get_drvinfo,

drivers/net/ethernet/micrel/ksz884x.c

@@ -6607,7 +6607,7 @@ static int netdev_set_features(struct net_device *dev,
 	return 0;
 }
 
-static struct ethtool_ops netdev_ethtool_ops = {
+static const struct ethtool_ops netdev_ethtool_ops = {
 	.get_settings		= netdev_get_settings,
 	.set_settings		= netdev_set_settings,
 	.nway_reset		= netdev_nway_reset,

drivers/net/ethernet/renesas/sh_eth.c

@@ -1369,7 +1369,7 @@ static void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
 	}
 }
 
-static struct ethtool_ops sh_eth_ethtool_ops = {
+static const struct ethtool_ops sh_eth_ethtool_ops = {
 	.get_settings	= sh_eth_get_settings,
 	.set_settings	= sh_eth_set_settings,
 	.nway_reset	= sh_eth_nway_reset,

drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c

@@ -459,7 +459,7 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 	return 0;
 }
 
-static struct ethtool_ops stmmac_ethtool_ops = {
+static const struct ethtool_ops stmmac_ethtool_ops = {
 	.begin = stmmac_check_if_running,
 	.get_drvinfo = stmmac_ethtool_getdrvinfo,
 	.get_settings = stmmac_ethtool_getsettings,