net/sched: act_psample: Remove unnecessary ASSERT_RTNL

The ASSERT_RTNL is not necessary in the init function, as it does not
touch any rtnl protected structures, as opposed to the mirred action which
does have to hold a net device.
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>

net/sched/act_sample.c

@@ -76,7 +76,6 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla,
 	}
 	s = to_sample(*a);
 
-	ASSERT_RTNL();
 	s->tcf_action = parm->action;
 	s->rate = nla_get_u32(tb[TCA_SAMPLE_RATE]);
 	s->psample_group_num = nla_get_u32(tb[TCA_SAMPLE_PSAMPLE_GROUP]);