c4749675bf33ea639bbcca8a5365ccc5091a6a
author Pablo Neira Ayuso <pablo@netfilter.org> 1237213642 +0100
committer Patrick McHardy <kaber@trash.net> 1237213642 +0100

netfilter: ctnetlink: cleanup conntrack update preliminary checkings

This patch moves the preliminary checkings that must be fulfilled
to update a conntrack, which are the following:

 * NAT manglings cannot be updated
 * Changing the master conntrack is not allowed.

This patch is a cleanup.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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