[IPV6]: Fix infinite loop in udp_v6_get_port().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -99,7 +99,7 @@ static int udp_v6_get_port(struct sock *sk, unsigned short snum)
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next:;
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}
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result = best;
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for(;; result += UDP_HTABLE_SIZE) {
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for(i = 0; i < (1 << 16) / UDP_HTABLE_SIZE; i++, result += UDP_HTABLE_SIZE) {
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if (result > sysctl_local_port_range[1])
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result = sysctl_local_port_range[0]
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+ ((result - sysctl_local_port_range[0]) &
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@ -107,6 +107,8 @@ static int udp_v6_get_port(struct sock *sk, unsigned short snum)
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if (!udp_lport_inuse(result))
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break;
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}
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if (i >= (1 << 16) / UDP_HTABLE_SIZE)
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goto fail;
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gotit:
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udp_port_rover = snum = result;
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} else {
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