[PKT_SCHED] sch_htb: use rb_first() cleanup
Use rb_first() to get first entry in rb tree. Signed-off-by: Akinbou Mita <akinobu.mita@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
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b974179abe
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30bdbe397b
@@ -786,11 +786,10 @@ static long htb_do_events(struct htb_sched *q, int level)
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for (i = 0; i < 500; i++) {
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for (i = 0; i < 500; i++) {
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struct htb_class *cl;
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struct htb_class *cl;
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long diff;
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long diff;
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struct rb_node *p = q->wait_pq[level].rb_node;
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struct rb_node *p = rb_first(&q->wait_pq[level]);
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if (!p)
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if (!p)
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return 0;
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return 0;
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while (p->rb_left)
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p = p->rb_left;
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cl = rb_entry(p, struct htb_class, pq_node);
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cl = rb_entry(p, struct htb_class, pq_node);
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if (time_after(cl->pq_key, q->jiffies)) {
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if (time_after(cl->pq_key, q->jiffies)) {
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