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/atlx/atl1.c b/drivers/net/atlx/atl1.c
index e1e0171..4ba6431 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -2094,9 +2094,9 @@
 {
 	u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean);
 	u16 next_to_use = atomic_read(&tpd_ring->next_to_use);
-	return ((next_to_clean > next_to_use) ?
+	return (next_to_clean > next_to_use) ?
 		next_to_clean - next_to_use - 1 :
-		tpd_ring->count + next_to_clean - next_to_use - 1);
+		tpd_ring->count + next_to_clean - next_to_use - 1;
 }
 
 static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,