Merge tag 'iomap-5.14-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

[linux-2.6-microblaze.git] / net / netfilter / nf_conntrack_netlink.c

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 4e1a9db..e81af33 100644 (file)
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -218,6 +218,7 @@ static int ctnetlink_dump_helpinfo(struct sk_buff *skb,
        if (!help)
                return 0;
 
+       rcu_read_lock();
        helper = rcu_dereference(help->helper);
        if (!helper)
                goto out;
@@ -233,9 +234,11 @@ static int ctnetlink_dump_helpinfo(struct sk_buff *skb,
 
        nla_nest_end(skb, nest_helper);
 out:
+       rcu_read_unlock();
        return 0;
 
 nla_put_failure:
+       rcu_read_unlock();
        return -1;
 }