net-sched: consolidate default fifo qdisc setup

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

diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 5c569853b9c052967fbe9b2ca66f8e651985f206..77098acf0adc79fa506989e65d824cba24f93195 100644 (file)
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -174,33 +174,6 @@ static void red_destroy(struct Qdisc *sch)
        qdisc_destroy(q->qdisc);
 }
 
-static struct Qdisc *red_create_dflt(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 red_policy[TCA_RED_MAX + 1] = {
        [TCA_RED_PARMS] = { .len = sizeof(struct tc_red_qopt) },
        [TCA_RED_STAB]  = { .len = RED_STAB_SIZE },
@@ -228,9 +201,9 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt)
        ctl = nla_data(tb[TCA_RED_PARMS]);
 
        if (ctl->limit > 0) {
-               child = red_create_dflt(sch, ctl->limit);
-               if (child == NULL)
-                       return -ENOMEM;
+               child = fifo_create_dflt(sch, &bfifo_qdisc_ops, ctl->limit);
+               if (IS_ERR(child))
+                       return PTR_ERR(child);
        }
 
        sch_tree_lock(sch);