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Commit d4e7df16 authored by Taehee Yoo's avatar Taehee Yoo Committed by Pablo Neira Ayuso
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netfilter: nf_conncount: use rb_link_node_rcu() instead of rb_link_node() 



rbnode in insert_tree() is rcu protected pointer.
So, in order to handle this pointer, _rcu function should be used.
rb_link_node_rcu() is a rcu version of rb_link_node().

Fixes: 34848d5c ("netfilter: nf_conncount: Split insert and traversal")
Signed-off-by: default avatarTaehee Yoo <ap420073@gmail.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 542fbda0

net/netfilter/nf_conncount.c

+1 −1
Original line number Diff line number Diff line
@@ -427,7 +427,7 @@ insert_tree(struct net *net, 
	count = 1;

	rbconn->list.count = count;



	rb_link_node(&rbconn->node, parent, rbnode);

	rb_link_node_rcu(&rbconn->node, parent, rbnode);

	rb_insert_color(&rbconn->node, root);

out_unlock:

	spin_unlock_bh(&nf_conncount_locks[hash % CONNCOUNT_LOCK_SLOTS]);