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| author | Taehee Yoo | 2018-12-08 03:03:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-01-13 09:50:59 +0100 |
| commit | 7fd995d3b4446649fd29909072fa78bc076346cd (patch) | |
| tree | e91d9c54cb5ff950c31237927378002c01b65eb9 /net/netfilter | |
| parent | netfilter: nat: can't use dst_hold on noref dst (diff) | |
| download | kernel-qcow2-linux-7fd995d3b4446649fd29909072fa78bc076346cd.tar.gz kernel-qcow2-linux-7fd995d3b4446649fd29909072fa78bc076346cd.tar.xz kernel-qcow2-linux-7fd995d3b4446649fd29909072fa78bc076346cd.zip | |
netfilter: nf_conncount: use rb_link_node_rcu() instead of rb_link_node()
[ Upstream commit d4e7df16567b80836a78d31b42f1a9355a636d67 ]
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: 34848d5c896e ("netfilter: nf_conncount: Split insert and traversal")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_conncount.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c index b6d0f6deea86..9cd180bda092 100644 --- a/net/netfilter/nf_conncount.c +++ b/net/netfilter/nf_conncount.c @@ -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]); |