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net: make ipv6 PKTINFO honour freebind

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This just makes it possible to spoof source IPv6 address on a socket
without having to create and bind a new socket for every source IP
we wish to spoof.

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maciej Żenczykowski 2011-11-07 14:57:22 +00:00 committed by David S. Miller
parent f74024d9f0
commit 2563fa5954
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/datagram.c
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@ -654,7 +654,7 @@ int datagram_send_ctl(struct net *net, struct sock *sk,
if (addr_type != IPV6_ADDR_ANY) {
int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
if (!inet_sk(sk)->transparent &&
if (!(inet_sk(sk)->freebind || inet_sk(sk)->transparent) &&
!ipv6_chk_addr(net, &src_info->ipi6_addr,
strict ? dev : NULL, 0))
err = -EINVAL;