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[IPV6]: Mischecked tw match in __inet6_check_established. 

When looking for a conflicting connection the !sk->sk_bound_dev_if
check is performed only for live sockets, but not for timewait-ed.

This is not the case for ipv4, for __inet6_lookup_established in
both ipv4 and ipv6 and for other places that check for tw-s.

Was this missed accidentally? If so, then this patch fixes it and
besides makes use if the dif variable declared in the function.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-01-18 03:27:12 -08:00 committed by David S. Miller
parent 632041f306
commit b3652b2dc5
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/inet6_hashtables.c
View File

@ -193,7 +193,7 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
sk2->sk_family == PF_INET6 &&
ipv6_addr_equal(&tw6->tw_v6_daddr, saddr) &&
ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr) &&
sk2->sk_bound_dev_if == sk->sk_bound_dev_if) {
(!sk2->sk_bound_dev_if || sk2->sk_bound_dev_if == dif)) {
if (twsk_unique(sk, sk2, twp))
goto unique;
else