[PKT_SCHED]: Fix u32 double listing.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/cls_u32.c

@@ -91,6 +91,7 @@ struct tc_u_hnode
 {
 	struct tc_u_hnode	*next;
 	u32			handle;
+	u32			prio;
 	struct tc_u_common	*tp_c;
 	int			refcnt;
 	unsigned		divisor;
@@ -323,6 +324,7 @@ static int u32_init(struct tcf_proto *tp)
 	root_ht->divisor = 0;
 	root_ht->refcnt++;
 	root_ht->handle = tp_c ? gen_new_htid(tp_c) : 0x80000000;
+	root_ht->prio = tp->prio;
 
 	if (tp_c == NULL) {
 		tp_c = kmalloc(sizeof(*tp_c), GFP_KERNEL);
@@ -587,6 +589,7 @@ static int u32_change(struct tcf_proto *tp, unsigned long base, u32 handle,
 		ht->refcnt = 0;
 		ht->divisor = divisor;
 		ht->handle = handle;
+		ht->prio = tp->prio;
 		ht->next = tp_c->hlist;
 		tp_c->hlist = ht;
 		*arg = (unsigned long)ht;
@@ -703,6 +706,8 @@ static void u32_walk(struct tcf_proto *tp, struct tcf_walker *arg)
 		return;
 
 	for (ht = tp_c->hlist; ht; ht = ht->next) {
+		if (ht->prio != tp->prio)
+			continue;
 		if (arg->count >= arg->skip) {
 			if (arg->fn(tp, (unsigned long)ht, arg) < 0) {
 				arg->stop = 1;