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/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 796523f..cb3f84b 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3600,7 +3600,7 @@
 	adapter->total_tx_packets += total_tx_packets;
 	netdev->stats.tx_bytes += total_tx_bytes;
 	netdev->stats.tx_packets += total_tx_packets;
-	return (count < tx_ring->count);
+	return count < tx_ring->count;
 }
 
 /**