[TCP]: Optimize check in port-allocation code, v6 version.
Signed-off-by: Folkert van Heusden <folkert@vanheusden.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 5 additions and 2 deletions
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@ -139,9 +139,12 @@ static int tcp_v6_get_port(struct sock *sk, unsigned short snum)
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int rover;
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spin_lock(&tcp_portalloc_lock);
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rover = tcp_port_rover;
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if (tcp_port_rover < low)
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rover = low;
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else
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rover = tcp_port_rover;
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do { rover++;
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if ((rover < low) || (rover > high))
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if (rover > high)
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rover = low;
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head = &tcp_bhash[tcp_bhashfn(rover)];
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spin_lock(&head->lock);
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