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tcp: ipv6: bind() use stronger condition for bind_conflict

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We must try harder to get unique (addr, port) pairs when
doing port autoselection for sockets with SO_REUSEADDR
option set.

This is a continuation of commit aacd9289af8b82f5fb01bcdd53d0e3406d1333c7
for IPv6.

Signed-off-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Flavio Leitner 2013-03-05 08:11:01 +00:00 committed by David S. Miller
parent fae4f3cf49
commit dd9f319d94
1 changed files with 4 additions and 0 deletions
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4
net/ipv6/inet6_connection_sock.c
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@ -54,6 +54,10 @@ int inet6_csk_bind_conflict(const struct sock *sk,
if (ipv6_rcv_saddr_equal(sk, sk2))
break;
}
if (!relax && reuse && sk2->sk_reuse &&
sk2->sk_state != TCP_LISTEN &&
ipv6_rcv_saddr_equal(sk, sk2))
break;
}
}