diff options
| author | Patrick McHardy <kaber@trash.net> | 2009-09-04 06:41:17 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-06 02:07:02 -0700 |
| commit | 5b9a9ccfad8553dbf7a9b17ba78bad70215ed0e2 (patch) | |
| tree | 1454e8121fef6635a615f6766b3fdbff678ae63d /net/sched/sch_prio.c | |
| parent | de6d5cdf881353f83006d5f3e28ac4fffd42145e (diff) | |
| download | lwn-5b9a9ccfad8553dbf7a9b17ba78bad70215ed0e2.tar.gz lwn-5b9a9ccfad8553dbf7a9b17ba78bad70215ed0e2.zip | |
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>
Diffstat (limited to 'net/sched/sch_prio.c')
| -rw-r--r-- | net/sched/sch_prio.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 209a4ca4b98d..0f73c412d04b 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -262,9 +262,6 @@ static int prio_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new, 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 @@ prio_leaf(struct Qdisc *sch, unsigned long arg) 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 @@ static int prio_dump_class(struct Qdisc *sch, unsigned long cl, struct sk_buff * { 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; } |