Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

[pandora-kernel.git] / net / sched / sch_prio.c

diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 2d8c084..4a49db6 100644 (file)
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -38,9 +38,11 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
        struct prio_sched_data *q = qdisc_priv(sch);
        u32 band = skb->priority;
        struct tcf_result res;
+       int err;
 
        *qerr = NET_XMIT_BYPASS;
        if (TC_H_MAJ(skb->priority) != sch->handle) {
+               err = tc_classify(skb, q->filter_list, &res);
 #ifdef CONFIG_NET_CLS_ACT
                switch (tc_classify(skb, q->filter_list, &res)) {
                case TC_ACT_STOLEN:
@@ -49,11 +51,8 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
                case TC_ACT_SHOT:
                        return NULL;
                }
-
-               if (!q->filter_list ) {
-#else
-               if (!q->filter_list || tc_classify(skb, q->filter_list, &res)) {
 #endif
+               if (!q->filter_list || err < 0) {
                        if (TC_H_MAJ(band))
                                band = 0;
                        band = q->prio2band[band&TC_PRIO_MAX];
@@ -239,11 +238,13 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt)
        /* If we're multiqueue, make sure the number of incoming bands
         * matches the number of queues on the device we're associating with.
         * If the number of bands requested is zero, then set q->bands to
-        * dev->egress_subqueue_count.
+        * dev->egress_subqueue_count.  Also, the root qdisc must be the
+        * only one that is enabled for multiqueue, since it's the only one
+        * that interacts with the underlying device.
         */
        q->mq = RTA_GET_FLAG(tb[TCA_PRIO_MQ - 1]);
        if (q->mq) {
-               if (sch->handle != TC_H_ROOT)
+               if (sch->parent != TC_H_ROOT)
                        return -EINVAL;
                if (netif_is_multiqueue(sch->dev)) {
                        if (q->bands == 0)