netfilter: nf_tables: use RCU-safe list insertion when replacing rules
The patch 5e94846 ("netfilter: nf_tables: add insert operation") did
not include RCU-safe list insertion when replacing rules.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 624e083..ba37c10 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1796,7 +1796,7 @@
goto err2;
}
nft_rule_disactivate_next(net, old_rule);
- list_add_tail(&rule->list, &old_rule->list);
+ list_add_tail_rcu(&rule->list, &old_rule->list);
} else {
err = -ENOENT;
goto err2;