net: Remove rtnl_lock() in nf_ct_iterate_destroy()
rtnl_lock() doesn't protect net::ct::count, and it's not needed for__nf_ct_unconfirmed_destroy() and for nf_queue_nf_hook_drop(). Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1763,7 +1763,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data)
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{
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struct net *net;
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rtnl_lock();
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down_read(&net_rwsem);
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for_each_net(net) {
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if (atomic_read(&net->ct.count) == 0)
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@ -1772,7 +1771,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data)
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nf_queue_nf_hook_drop(net);
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}
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up_read(&net_rwsem);
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rtnl_unlock();
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/* Need to wait for netns cleanup worker to finish, if its
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* running -- it might have deleted a net namespace from
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