From c3924c70dd3bddc28b99ccd1688bd281bad1a9be Mon Sep 17 00:00:00 2001 From: Folkert van Heusden Date: Tue, 3 May 2005 14:36:45 -0700 Subject: [PATCH] [TCP]: Optimize check in port-allocation code, v6 version. Signed-off-by: Folkert van Heusden Signed-off-by: David S. Miller --- net/ipv6/tcp_ipv6.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 4760c85e19db..0f69e800a0ad 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -139,9 +139,12 @@ static int tcp_v6_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); -- 2.20.1