Commit 0b2531bd authored by Folkert van Heusden's avatar Folkert van Heusden Committed by David S. Miller

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

Signed-off-by: default avatarFolkert van Heusden <folkert@vanheusden.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 20cc6bef
......@@ -222,10 +222,13 @@ static int tcp_v4_get_port(struct sock *sk, unsigned short snum)
int rover;
spin_lock(&tcp_portalloc_lock);
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);
......
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