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/tlan.c b/drivers/net/tlan.c
index 0564ca0..ec8c804 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -3187,7 +3187,7 @@
 		TLan_SetBit( TLAN_NET_SIO_EDATA, sio );
 	}
 
-	return ( err );
+	return err;
 
 } /* TLan_EeSendByte */