net_sched: gred: eliminate redundant DP prio comparisons

[platform/adaptation/renesas_rcar/renesas_kernel.git] / net / sched / sch_gred.c

diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index e901583..e19d4eb 100644 (file)
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -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;
        }
 
@@ -176,7 +175,7 @@ static int gred_enqueue(struct sk_buff *skb, struct Qdisc *sch)
                skb->tc_index = (skb->tc_index & ~GRED_VQ_MASK) | dp;
        }
 
-       /* sum up all the qaves of prios <= to ours to get the new qave */
+       /* sum up all the qaves of prios < ours to get the new qave */
        if (!gred_wred_mode(t) && gred_rio_mode(t)) {
                int i;