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/de620.c b/drivers/net/de620.c
index f3650fd..1c51a75 100644
--- a/drivers/net/de620.c
+++ b/drivers/net/de620.c
@@ -676,7 +676,7 @@
 	de620_set_register(dev, W_NPRF, next_rx_page);
 	pr_debug("next_rx_page=%d CPR=%d\n", next_rx_page, curr_page);
 
-	return (next_rx_page != curr_page); /* That was slightly tricky... */
+	return next_rx_page != curr_page; /* That was slightly tricky... */
 }
 
 /*********************************************