netfilter: ctnetlink: put back references to master ct and expect objects

We have to put back the references to the master conntrack and the expectation
that we just created, otherwise we'll leak them.

Fixes: 5621824a1a20 ("netfilter: ctnetlink: refactor ctnetlink_create_expect")
Reported-by: Tim Wiess <Tim.Wiess@watchguard.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index d1c23940a86ad96cddbf1aefe0747c43fddca920..6b8b0abbfab482280ae6a318f8bc58260e0b21c8 100644 (file)
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -2995,11 +2995,6 @@ ctnetlink_create_expect(struct net *net, u16 zone,
        }
 
        err = nf_ct_expect_related_report(exp, portid, report);
-       if (err < 0)
-               goto err_exp;
-
-       return 0;
-err_exp:
        nf_ct_expect_put(exp);
 err_ct:
        nf_ct_put(ct);