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[TCP]: Optimize check in port-allocation code, v6 version.

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Signed-off-by: Folkert van Heusden <folkert@vanheusden.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Folkert van Heusden 2005-05-03 14:36:45 -07:00 committed by David S. Miller
parent 0b2531bdc5
commit c3924c70dd
1 changed files with 5 additions and 2 deletions
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7
net/ipv6/tcp_ipv6.c
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@ -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);