[PATCH] net: sched: act_ct: fix possible refcount leak in tcf_ct_init()

[Hangyu Hua]

nf_ct_put need to be called to put the refcount got by tcf_ct_fill_params
to avoid possible refcount leak when tcf_ct_flow_table_get fails.

Fixes: c34b961a2492 ("net/sched: act_ct: Create nf flow table per zone")
Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
---
 net/sched/act_ct.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index d55afb8d14be..3646956fc717 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -1412,6 +1412,8 @@ static int tcf_ct_init(struct net *net, struct nlattr *nla,
 cleanup:
 	if (goto_ch)
 		tcf_chain_put_by_act(goto_ch);
+	if (params->tmpl)
+		nf_ct_put(params->tmpl);
 	kfree(params);
 	tcf_idr_release(*a, bind);
 	return err;
-- 
2.34.1