diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 3ac6659..dad98e4 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -222,10 +222,13 @@
 		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);