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/net/tipc/socket.c b/net/tipc/socket.c
index f7ac94d..33217fc 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1195,7 +1195,7 @@
 	if (msg_connected(msg))
 		threshold *= 4;
 
-	return (queue_size >= threshold);
+	return queue_size >= threshold;
 }
 
 /**