drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index a4ed96c..43994c1 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -410,7 +410,7 @@
 ixgb_get_eeprom_len(struct net_device *netdev)
 {
 	/* return size in bytes */
-	return (IXGB_EEPROM_SIZE << 1);
+	return IXGB_EEPROM_SIZE << 1;
 }
 
 static int