Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (160 commits)
  [ETHTOOL]: Remove some entries from non-root command list.
  [Bluetooth]: Fix section mismatch of bt_sysfs_cleanup()
  [Bluetooth]: Don't update disconnect timer for incoming connections
  [ETHTOOL]: let mortals use ethtool
  [NetLabel]: add audit support for configuration changes
  [TCP]: Fix and simplify microsecond rtt sampling
  [TCP] tcp-lp: prevent chance for oops
  [SUNRPC]: Remove unnecessary check in net/sunrpc/svcsock.c
  [IPVS] bug: endianness breakage in ip_vs_ftp
  [IPVS]: ipvs annotations
  [NETFILTER]: h323 annotations
  [NETFILTER]: ipt annotations
  [NETFILTER]: NAT annotations
  [NETFILTER]: conntrack annotations
  [NETFILTER]: netfilter misc annotations
  [NET]: Annotate dst_ops protocol
  [NET]: is it Andy or Andi ??
  [IPVS]: Make sure ip_vs_ftp ports are valid: module_param_array approach
  [IPVS]: Reverse valid ip_vs_ftp ports fix: port check approach
  [IrDA] stir4200: removing undocumented bits handling
  ...

5 files changed, 33 insertions, 57 deletions

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 7e14f14058e9..37a184021647 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -401,7 +401,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
 	if ((dev = dev_get_by_index(tcm->tcm_ifindex)) == NULL)
 		return skb->len;
 
-	read_lock_bh(&qdisc_tree_lock);
+	read_lock(&qdisc_tree_lock);
 	if (!tcm->tcm_parent)
 		q = dev->qdisc_sleeping;
 	else
@@ -458,7 +458,7 @@ errout:
 	if (cl)
 		cops->put(q, cl);
 out:
-	read_unlock_bh(&qdisc_tree_lock);
+	read_unlock(&qdisc_tree_lock);
 	dev_put(dev);
 	return skb->len;
 }
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 86cac49a0531..09fda68c8b39 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -194,7 +194,7 @@ static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
 	if (handle)
 		f->handle = handle;
 	else {
-		int i = 0x80000000;
+		unsigned int i = 0x80000000;
 		do {
 			if (++head->hgenerator == 0x7FFFFFFF)
 				head->hgenerator = 1;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index a19eff12cf78..0b6489291140 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -195,14 +195,14 @@ struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle)
 {
 	struct Qdisc *q;
 
-	read_lock_bh(&qdisc_tree_lock);
+	read_lock(&qdisc_tree_lock);
 	list_for_each_entry(q, &dev->qdisc_list, list) {
 		if (q->handle == handle) {
-			read_unlock_bh(&qdisc_tree_lock);
+			read_unlock(&qdisc_tree_lock);
 			return q;
 		}
 	}
-	read_unlock_bh(&qdisc_tree_lock);
+	read_unlock(&qdisc_tree_lock);
 	return NULL;
 }
 
@@ -837,7 +837,7 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
 			continue;
 		if (idx > s_idx)
 			s_q_idx = 0;
-		read_lock_bh(&qdisc_tree_lock);
+		read_lock(&qdisc_tree_lock);
 		q_idx = 0;
 		list_for_each_entry(q, &dev->qdisc_list, list) {
 			if (q_idx < s_q_idx) {
@@ -846,12 +846,12 @@ static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
 			}
 			if (tc_fill_qdisc(skb, q, q->parent, NETLINK_CB(cb->skb).pid,
 					  cb->nlh->nlmsg_seq, NLM_F_MULTI, RTM_NEWQDISC) <= 0) {
-				read_unlock_bh(&qdisc_tree_lock);
+				read_unlock(&qdisc_tree_lock);
 				goto done;
 			}
 			q_idx++;
 		}
-		read_unlock_bh(&qdisc_tree_lock);
+		read_unlock(&qdisc_tree_lock);
 	}
 
 done:
@@ -1074,7 +1074,7 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
 	s_t = cb->args[0];
 	t = 0;
 
-	read_lock_bh(&qdisc_tree_lock);
+	read_lock(&qdisc_tree_lock);
 	list_for_each_entry(q, &dev->qdisc_list, list) {
 		if (t < s_t || !q->ops->cl_ops ||
 		    (tcm->tcm_parent &&
@@ -1096,7 +1096,7 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb)
 			break;
 		t++;
 	}
-	read_unlock_bh(&qdisc_tree_lock);
+	read_unlock(&qdisc_tree_lock);
 
 	cb->args[0] = t;
 
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 6f9151899795..88c6a99ce53c 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -45,11 +45,10 @@
    The idea is the following:
    - enqueue, dequeue are serialized via top level device
      spinlock dev->queue_lock.
-   - tree walking is protected by read_lock_bh(qdisc_tree_lock)
+   - tree walking is protected by read_lock(qdisc_tree_lock)
      and this lock is used only in process context.
-   - updates to tree are made under rtnl semaphore or
-     from softirq context (__qdisc_destroy rcu-callback)
-     hence this lock needs local bh disabling.
+   - updates to tree are made only under rtnl semaphore,
+     hence this lock may be made without local bh disabling.
 
    qdisc_tree_lock must be grabbed BEFORE dev->queue_lock!
  */
@@ -57,14 +56,14 @@ DEFINE_RWLOCK(qdisc_tree_lock);
 
 void qdisc_lock_tree(struct net_device *dev)
 {
-	write_lock_bh(&qdisc_tree_lock);
+	write_lock(&qdisc_tree_lock);
 	spin_lock_bh(&dev->queue_lock);
 }
 
 void qdisc_unlock_tree(struct net_device *dev)
 {
 	spin_unlock_bh(&dev->queue_lock);
-	write_unlock_bh(&qdisc_tree_lock);
+	write_unlock(&qdisc_tree_lock);
 }
 
 /* 
@@ -483,20 +482,6 @@ void qdisc_reset(struct Qdisc *qdisc)
 static void __qdisc_destroy(struct rcu_head *head)
 {
 	struct Qdisc *qdisc = container_of(head, struct Qdisc, q_rcu);
-	struct Qdisc_ops  *ops = qdisc->ops;
-
-#ifdef CONFIG_NET_ESTIMATOR
-	gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est);
-#endif
-	write_lock(&qdisc_tree_lock);
-	if (ops->reset)
-		ops->reset(qdisc);
-	if (ops->destroy)
-		ops->destroy(qdisc);
-	write_unlock(&qdisc_tree_lock);
-	module_put(ops->owner);
-
-	dev_put(qdisc->dev);
 	kfree((char *) qdisc - qdisc->padded);
 }
 
@@ -504,32 +489,23 @@ static void __qdisc_destroy(struct rcu_head *head)
 
 void qdisc_destroy(struct Qdisc *qdisc)
 {
-	struct list_head cql = LIST_HEAD_INIT(cql);
-	struct Qdisc *cq, *q, *n;
+	struct Qdisc_ops  *ops = qdisc->ops;
 
 	if (qdisc->flags & TCQ_F_BUILTIN ||
-		!atomic_dec_and_test(&qdisc->refcnt))
+	    !atomic_dec_and_test(&qdisc->refcnt))
 		return;
 
-	if (!list_empty(&qdisc->list)) {
-		if (qdisc->ops->cl_ops == NULL)
-			list_del(&qdisc->list);
-		else
-			list_move(&qdisc->list, &cql);
-	}
-
-	/* unlink inner qdiscs from dev->qdisc_list immediately */
-	list_for_each_entry(cq, &cql, list)
-		list_for_each_entry_safe(q, n, &qdisc->dev->qdisc_list, list)
-			if (TC_H_MAJ(q->parent) == TC_H_MAJ(cq->handle)) {
-				if (q->ops->cl_ops == NULL)
-					list_del_init(&q->list);
-				else
-					list_move_tail(&q->list, &cql);
-			}
-	list_for_each_entry_safe(cq, n, &cql, list)
-		list_del_init(&cq->list);
+	list_del(&qdisc->list);
+#ifdef CONFIG_NET_ESTIMATOR
+	gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est);
+#endif
+	if (ops->reset)
+		ops->reset(qdisc);
+	if (ops->destroy)
+		ops->destroy(qdisc);
 
+	module_put(ops->owner);
+	dev_put(qdisc->dev);
 	call_rcu(&qdisc->q_rcu, __qdisc_destroy);
 }
 
@@ -549,15 +525,15 @@ void dev_activate(struct net_device *dev)
 				printk(KERN_INFO "%s: activation failed\n", dev->name);
 				return;
 			}
-			write_lock_bh(&qdisc_tree_lock);
+			write_lock(&qdisc_tree_lock);
 			list_add_tail(&qdisc->list, &dev->qdisc_list);
-			write_unlock_bh(&qdisc_tree_lock);
+			write_unlock(&qdisc_tree_lock);
 		} else {
 			qdisc =  &noqueue_qdisc;
 		}
-		write_lock_bh(&qdisc_tree_lock);
+		write_lock(&qdisc_tree_lock);
 		dev->qdisc_sleeping = qdisc;
-		write_unlock_bh(&qdisc_tree_lock);
+		write_unlock(&qdisc_tree_lock);
 	}
 
 	if (!netif_carrier_ok(dev))
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index bb3ddd4784b1..6c058e3660c0 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -391,7 +391,7 @@ static inline void htb_add_class_to_row(struct htb_sched *q,
 /* If this triggers, it is a bug in this code, but it need not be fatal */
 static void htb_safe_rb_erase(struct rb_node *rb, struct rb_root *root)
 {
-	if (RB_EMPTY_NODE(rb)) {
+	if (!RB_EMPTY_NODE(rb)) {
 		WARN_ON(1);
 	} else {
 		rb_erase(rb, root);