net_sched: cls_cgroup: remove unnecessary if

since head->handle == handle (checked before), just assign handle.
Signed-off-by: NJiri Pirko <jiri@resnulli.us>
Acked-by: NJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sched/cls_cgroup.c

@@ -117,11 +117,7 @@ static int cls_cgroup_change(struct net *net, struct sk_buff *in_skb,
 		return -ENOBUFS;
 
 	tcf_exts_init(&new->exts, TCA_CGROUP_ACT, TCA_CGROUP_POLICE);
-	if (head)
-		new->handle = head->handle;
-	else
-		new->handle = handle;
-
+	new->handle = handle;
 	new->tp = tp;
 	err = nla_parse_nested(tb, TCA_CGROUP_MAX, tca[TCA_OPTIONS],
 			       cgroup_policy);