net_sched: gred: eliminate redundant DP prio comparisons

Each pair of DPs only needs to be compared once when searching for
a non-unique prio value.

Signed-off-by: David Ward <david.ward@ll.mit.edu>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ward 2012-09-13 05:22:33 +00:00 committed by David S. Miller
parent e29fe837bf
commit c22e464022

View File

@ -102,9 +102,8 @@ static inline int gred_wred_mode_check(struct Qdisc *sch)
if (q == NULL)
continue;
for (n = 0; n < table->DPs; n++)
if (table->tab[n] && table->tab[n] != q &&
table->tab[n]->prio == q->prio)
for (n = i + 1; n < table->DPs; n++)
if (table->tab[n] && table->tab[n]->prio == q->prio)
return 1;
}