net/sched: act_sample: Fix error path in init
Fix error path of in sample init, by releasing the tc hash in case of
failure in psample_group creation.
Fixes: 5c5670fae430 ("net/sched: Introduce sample tc action")
Reported-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 3922975..02b6749 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -81,8 +81,11 @@
s->rate = nla_get_u32(tb[TCA_SAMPLE_RATE]);
s->psample_group_num = nla_get_u32(tb[TCA_SAMPLE_PSAMPLE_GROUP]);
psample_group = psample_group_get(net, s->psample_group_num);
- if (!psample_group)
+ if (!psample_group) {
+ if (ret == ACT_P_CREATED)
+ tcf_hash_release(*a, bind);
return -ENOMEM;
+ }
RCU_INIT_POINTER(s->psample_group, psample_group);
if (tb[TCA_SAMPLE_TRUNC_SIZE]) {