Merge branch 'x86/amd-iommu' into x86/urgent

1 files changed, 30 insertions, 20 deletions

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index ba1d121f3127..c25465e5607a 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -183,6 +183,21 @@ EXPORT_SYMBOL(unregister_qdisc);
    (root qdisc, all its children, children of children etc.)
  */
 
+struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle)
+{
+        struct Qdisc *q;
+
+        if (!(root->flags & TCQ_F_BUILTIN) &&
+            root->handle == handle)
+                return root;
+
+        list_for_each_entry(q, &root->list, list) {
+                if (q->handle == handle)
+                        return q;
+        }
+        return NULL;
+}
+
 struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle)
 {
         unsigned int i;
@@ -191,16 +206,11 @@ struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle)
                 struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
                 struct Qdisc *q, *txq_root = txq->qdisc_sleeping;
 
-                if (!(txq_root->flags & TCQ_F_BUILTIN) &&
-                    txq_root->handle == handle)
-                        return txq_root;
-
-                list_for_each_entry(q, &txq_root->list, list) {
-                        if (q->handle == handle)
-                                return q;
-                }
+                q = qdisc_match_from_root(txq_root, handle);
+                if (q)
+                        return q;
         }
-        return NULL;
+        return qdisc_match_from_root(dev->rx_queue.qdisc_sleeping, handle);
 }
 
 static struct Qdisc *qdisc_leaf(struct Qdisc *p, u32 classid)
@@ -321,7 +331,7 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt)
         if (!s || tsize != s->tsize || (!tab && tsize > 0))
                 return ERR_PTR(-EINVAL);
 
-        spin_lock(&qdisc_stab_lock);
+        spin_lock_bh(&qdisc_stab_lock);
 
         list_for_each_entry(stab, &qdisc_stab_list, list) {
                 if (memcmp(&stab->szopts, s, sizeof(*s)))
@@ -329,11 +339,11 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt)
                 if (tsize > 0 && memcmp(stab->data, tab, tsize * sizeof(u16)))
                         continue;
                 stab->refcnt++;
-                spin_unlock(&qdisc_stab_lock);
+                spin_unlock_bh(&qdisc_stab_lock);
                 return stab;
         }
 
-        spin_unlock(&qdisc_stab_lock);
+        spin_unlock_bh(&qdisc_stab_lock);
 
         stab = kmalloc(sizeof(*stab) + tsize * sizeof(u16), GFP_KERNEL);
         if (!stab)
@@ -344,9 +354,9 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt)
         if (tsize > 0)
                 memcpy(stab->data, tab, tsize * sizeof(u16));
 
-        spin_lock(&qdisc_stab_lock);
+        spin_lock_bh(&qdisc_stab_lock);
         list_add_tail(&stab->list, &qdisc_stab_list);
-        spin_unlock(&qdisc_stab_lock);
+        spin_unlock_bh(&qdisc_stab_lock);
 
         return stab;
 }
@@ -356,14 +366,14 @@ void qdisc_put_stab(struct qdisc_size_table *tab)
         if (!tab)
                 return;
 
-        spin_lock(&qdisc_stab_lock);
+        spin_lock_bh(&qdisc_stab_lock);
 
         if (--tab->refcnt == 0) {
                 list_del(&tab->list);
                 kfree(tab);
         }
 
-        spin_unlock(&qdisc_stab_lock);
+        spin_unlock_bh(&qdisc_stab_lock);
 }
 EXPORT_SYMBOL(qdisc_put_stab);
 
@@ -908,7 +918,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
                                         return -ENOENT;
                                 q = qdisc_leaf(p, clid);
                         } else { /* ingress */
-                                q = dev->rx_queue.qdisc;
+                                q = dev->rx_queue.qdisc_sleeping;
                         }
                 } else {
                         struct netdev_queue *dev_queue;
@@ -978,7 +988,7 @@ replay:
                                         return -ENOENT;
                                 q = qdisc_leaf(p, clid);
                         } else { /*ingress */
-                                q = dev->rx_queue.qdisc;
+                                q = dev->rx_queue.qdisc_sleeping;
                         }
                 } else {
                         struct netdev_queue *dev_queue;
@@ -1529,11 +1539,11 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
         t = 0;
 
         dev_queue = netdev_get_tx_queue(dev, 0);
-        if (tc_dump_tclass_root(dev_queue->qdisc, skb, tcm, cb, &t, s_t) < 0)
+        if (tc_dump_tclass_root(dev_queue->qdisc_sleeping, skb, tcm, cb, &t, s_t) < 0)
                 goto done;
 
         dev_queue = &dev->rx_queue;
-        if (tc_dump_tclass_root(dev_queue->qdisc, skb, tcm, cb, &t, s_t) < 0)
+        if (tc_dump_tclass_root(dev_queue->qdisc_sleeping, skb, tcm, cb, &t, s_t) < 0)
                 goto done;
 
 done: