net-sched: consolidate default fifo qdisc setup

[linux-2.6-omap-h63xx.git] / net / sched / sch_tbf.c

diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 0b7d78f59d8cb727c1ac0506a5cbdf8cd36f153f..444c227fcb6b089e911765fa83595681564282d1 100644 (file)
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -242,34 +242,6 @@ static void tbf_reset(struct Qdisc* sch)
        qdisc_watchdog_cancel(&q->watchdog);
 }
 
-static struct Qdisc *tbf_create_dflt_qdisc(struct Qdisc *sch, u32 limit)
-{
-       struct Qdisc *q;
-       struct nlattr *nla;
-       int ret;
-
-       q = qdisc_create_dflt(sch->dev, &bfifo_qdisc_ops,
-                             TC_H_MAKE(sch->handle, 1));
-       if (q) {
-               nla = kmalloc(nla_attr_size(sizeof(struct tc_fifo_qopt)),
-                             GFP_KERNEL);
-               if (nla) {
-                       nla->nla_type = RTM_NEWQDISC;
-                       nla->nla_len = nla_attr_size(sizeof(struct tc_fifo_qopt));
-                       ((struct tc_fifo_qopt *)nla_data(nla))->limit = limit;
-
-                       ret = q->ops->change(q, nla);
-                       kfree(nla);
-
-                       if (ret == 0)
-                               return q;
-               }
-               qdisc_destroy(q);
-       }
-
-       return NULL;
-}
-
 static const struct nla_policy tbf_policy[TCA_TBF_MAX + 1] = {
        [TCA_TBF_PARMS] = { .len = sizeof(struct tc_tbf_qopt) },
        [TCA_TBF_RTAB]  = { .type = NLA_BINARY, .len = TC_RTAB_SIZE },
@@ -322,8 +294,11 @@ static int tbf_change(struct Qdisc* sch, struct nlattr *opt)
                goto done;
 
        if (qopt->limit > 0) {
-               if ((child = tbf_create_dflt_qdisc(sch, qopt->limit)) == NULL)
+               child = fifo_create_dflt(sch, &bfifo_qdisc_ops, qopt->limit);
+               if (IS_ERR(child)) {
+                       err = PTR_ERR(child);
                        goto done;
+               }
        }
 
        sch_tree_lock(sch);