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authorTaehee Yoo <ap420073@gmail.com>2018-12-08 03:03:01 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2018-12-13 01:14:58 +0100
commitd4e7df16567b80836a78d31b42f1a9355a636d67 (patch)
tree0fb9a04c83026bdfc793e3adf48abb643fd21efb /net
parentnetfilter: nat: can't use dst_hold on noref dst (diff)
downloadlinux-d4e7df16567b80836a78d31b42f1a9355a636d67.tar.xz
linux-d4e7df16567b80836a78d31b42f1a9355a636d67.zip
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: 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>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_conncount.c2
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]);