[TCP]: Optimize check in port-allocation code.

Signed-off-by: Folkert van Heusden <folkert@vanheusden.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · May 3, 2005 · 0b2531b · 0b2531b
1 parent 20cc6be
commit 0b2531b
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
@@ -222,10 +222,13 @@ static int tcp_v4_get_port(struct sock *sk, unsigned short snum)
 		int rover;
 
 		spin_lock(&tcp_portalloc_lock);
-		rover = tcp_port_rover;
+		if (tcp_port_rover < low)
+			rover = low;
+		else
+			rover = tcp_port_rover;
 		do {
 			rover++;
-			if (rover < low || rover > high)
+			if (rover > high)
 				rover = low;
 			head = &tcp_bhash[tcp_bhashfn(rover)];
 			spin_lock(&head->lock);