On Wed, Jan 31, 2007 at 03:37:25PM +0100, Patrick McHardy wrote:
> Jarek Poplawski wrote:
> > +static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
> > + struct gnet_dump *d)
> > +{
> > + struct prio_sched_data *q = qdisc_priv(sch);
> > + struct Qdisc *cl_q;
> > +
> > + if (cl - 1 > q->bands)
> > + return -1;
>
> Thats not what I meant, it still hides the bug. Either do
> nothing (don't check) or do BUG_ON(cl - 1 > q->bands).
Sorry - problems with reading!
And with understanding...
>From sch_api.c:
> if (cl_ops->dump && cl_ops->dump(q, cl, skb, tcm) < 0)
> goto rtattr_failure;
>
> if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
> TCA_XSTATS, q->stats_lock, &d) < 0)
> goto rtattr_failure;
>
> if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)
> goto rtattr_failure;
I can't see any difference between calling ->dump and
->dump_stats? Of course we may forsee this error should
jump over cl_ops...
But I'm polite still, so in a minute...
Jarek P.
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