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[PATCH net-next 5/5] net: Remove rtnl_lock() in nf_ct_iterate_destroy()

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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@xxxxxxxxxxxxx>
---
 net/netfilter/nf_conntrack_core.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 370f9b7f051b..41ff04ee2554 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1763,7 +1763,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data)
 {
 	struct net *net;
 
-	rtnl_lock();
 	down_read(&net_rwsem);
 	for_each_net(net) {
 		if (atomic_read(&net->ct.count) == 0)
@@ -1772,7 +1771,6 @@ nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data)
 		nf_queue_nf_hook_drop(net);
 	}
 	up_read(&net_rwsem);
-	rtnl_unlock();
 
 	/* Need to wait for netns cleanup worker to finish, if its
 	 * running -- it might have deleted a net namespace from




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