drivers/net: const-ify ethtool_ops declarations

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 1174ff5..1840b69 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -165,7 +165,7 @@
 #define MAX_RID_LEN 1024
 
 static const struct iw_handler_def orinoco_handler_def;
-static struct ethtool_ops orinoco_ethtool_ops;
+static const struct ethtool_ops orinoco_ethtool_ops;
 
 /********************************************************************/
 /* Data tables                                                      */
@@ -4293,7 +4293,7 @@
 			 "PCMCIA %p", priv->hw.iobase);
 }
 
-static struct ethtool_ops orinoco_ethtool_ops = {
+static const struct ethtool_ops orinoco_ethtool_ops = {
 	.get_drvinfo = orinoco_get_drvinfo,
 	.get_link = ethtool_op_get_link,
 };