net_sched: remove some unnecessary checks in classful schedulers
The class argument to the ->graft(), ->leaf(), ->dump(), ->dump_stats() all
originate from either ->get() or ->walk() and are always valid.
Remove unnecessary checks.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 209a4ca..0f73c41 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -262,9 +262,6 @@
struct prio_sched_data *q = qdisc_priv(sch);
unsigned long band = arg - 1;
- if (band >= q->bands)
- return -EINVAL;
-
if (new == NULL)
new = &noop_qdisc;
@@ -284,9 +281,6 @@
struct prio_sched_data *q = qdisc_priv(sch);
unsigned long band = arg - 1;
- if (band >= q->bands)
- return NULL;
-
return q->queues[band];
}
@@ -316,11 +310,8 @@
{
struct prio_sched_data *q = qdisc_priv(sch);
- if (cl - 1 > q->bands)
- return -ENOENT;
tcm->tcm_handle |= TC_H_MIN(cl);
- if (q->queues[cl-1])
- tcm->tcm_info = q->queues[cl-1]->handle;
+ tcm->tcm_info = q->queues[cl-1]->handle;
return 0;
}