netfilter: ctnetlink: dump expectation helper name

Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 5c103b8c7df0..db35edac307b 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1512,6 +1512,7 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
                           const struct nf_conntrack_expect *exp)
 {
         struct nf_conn *master = exp->master;
+        struct nf_conntrack_helper *helper;
         long timeout = (exp->timeout.expires - jiffies) / HZ;
 
         if (timeout < 0)
@@ -1528,6 +1529,9 @@ ctnetlink_exp_dump_expect(struct sk_buff *skb,
 
         NLA_PUT_BE32(skb, CTA_EXPECT_TIMEOUT, htonl(timeout));
         NLA_PUT_BE32(skb, CTA_EXPECT_ID, htonl((unsigned long)exp));
+        helper = rcu_dereference(nfct_help(master)->helper);
+        if (helper)
+                NLA_PUT_STRING(skb, CTA_EXPECT_HELP_NAME, helper->name);
 
         return 0;