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[IPV6]: Fix infinite loop in udp_v6_get_port().

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2005-10-04 13:00:39 -07:00 committed by David S. Miller
parent dd7205ed0f
commit 87bf9c97b4
1 changed files with 3 additions and 1 deletions
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4
net/ipv6/udp.c
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@ -99,7 +99,7 @@ static int udp_v6_get_port(struct sock *sk, unsigned short snum)
next:;
}
result = best;
for(;; result += UDP_HTABLE_SIZE) {
for(i = 0; i < (1 << 16) / UDP_HTABLE_SIZE; i++, result += UDP_HTABLE_SIZE) {
if (result > sysctl_local_port_range[1])
result = sysctl_local_port_range[0]
+ ((result - sysctl_local_port_range[0]) &
@ -107,6 +107,8 @@ static int udp_v6_get_port(struct sock *sk, unsigned short snum)
if (!udp_lport_inuse(result))
break;
}
if (i >= (1 << 16) / UDP_HTABLE_SIZE)
goto fail;
gotit:
udp_port_rover = snum = result;
} else {