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/node.c b/net/tipc/node.c
index b702c7b..7c49cd0 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -242,17 +242,17 @@
 
 int tipc_node_has_redundant_links(struct tipc_node *n_ptr)
 {
-	return (n_ptr->working_links > 1);
+	return n_ptr->working_links > 1;
 }
 
 static int tipc_node_has_active_routes(struct tipc_node *n_ptr)
 {
-	return (n_ptr && (n_ptr->last_router >= 0));
+	return n_ptr && (n_ptr->last_router >= 0);
 }
 
 int tipc_node_is_up(struct tipc_node *n_ptr)
 {
-	return (tipc_node_has_active_links(n_ptr) || tipc_node_has_active_routes(n_ptr));
+	return tipc_node_has_active_links(n_ptr) || tipc_node_has_active_routes(n_ptr);
 }
 
 struct tipc_node *tipc_node_attach_link(struct link *l_ptr)