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[SOCK]: Add some notes about per-bind-bucket sock lookup.

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I was asked about "why don't we perform a sk_net filtering in
bind_conflict calls, like we do in other sock lookup places"
for a couple of times.

Can we please add a comment about why we do not need one?

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov
2008-04-14 02:42:27 -07:00
committed by David S. Miller
parent 13f51d82ac
commit 7477fd2e6b
2 changed files with 11 additions and 0 deletions
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4
net/ipv6/inet6_connection_sock.c
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@@ -33,6 +33,10 @@ int inet6_csk_bind_conflict(const struct sock *sk,
const struct hlist_node *node;
/* We must walk the whole port owner list in this case. -DaveM */
/*
* See comment in inet_csk_bind_conflict about sock lookup
* vs net namespaces issues.
*/
sk_for_each_bound(sk2, node, &tb->owners) {
if (sk != sk2 &&
(!sk->sk_bound_dev_if ||