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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  sch_htb: fix "too many events" situation
  connector: convert to single-threaded workqueue
  [ATM]: When proc_create() fails, do some error handling work and return -ENOMEM.
  [SUNGEM]: Fix NAPI assertion failure.
  BNX2X: prevent ethtool from setting port type
  [9P] net/9p/trans_fd.c: remove unused variable
  [IPV6] net/ipv6/ndisc.c: remove unused variable
  [IPV4] fib_trie: fix warning from rcu_assign_poinger
  [TCP]: Let skbs grow over a page on fast peers
  [DLCI]: Fix tiny race between module unload and sock_ioctl.
  [SCTP]: Fix build warnings with IPV6 disabled.
  [IPV4]: Fix null dereference in ip_defrag

9 files changed, 38 insertions, 22 deletions

diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 1aa9d51..4e8d4e7 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -861,7 +861,6 @@ static void p9_mux_free_request(struct p9_conn *m, struct p9_req *req)
 
 static void p9_mux_flush_cb(struct p9_req *freq, void *a)
 {
-	p9_conn_req_callback cb;
 	int tag;
 	struct p9_conn *m;
 	struct p9_req *req, *rreq, *rptr;
@@ -872,7 +871,6 @@ static void p9_mux_flush_cb(struct p9_req *freq, void *a)
 		freq->tcall->params.tflush.oldtag);
 
 	spin_lock(&m->lock);
-	cb = NULL;
 	tag = freq->tcall->params.tflush.oldtag;
 	req = NULL;
 	list_for_each_entry_safe(rreq, rptr, &m->req_list, req_list) {
diff --git a/net/atm/clip.c b/net/atm/clip.c
index d30167c..2ab1e36 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -947,6 +947,8 @@ static const struct file_operations arp_seq_fops = {
 };
 #endif
 
+static void atm_clip_exit_noproc(void);
+
 static int __init atm_clip_init(void)
 {
 	neigh_table_init_no_netlink(&clip_tbl);
@@ -963,18 +965,22 @@ static int __init atm_clip_init(void)
 		struct proc_dir_entry *p;
 
 		p = proc_create("arp", S_IRUGO, atm_proc_root, &arp_seq_fops);
+		if (!p) {
+			printk(KERN_ERR "Unable to initialize "
+			       "/proc/net/atm/arp\n");
+			atm_clip_exit_noproc();
+			return -ENOMEM;
+		}
 	}
 #endif
 
 	return 0;
 }
 
-static void __exit atm_clip_exit(void)
+static void atm_clip_exit_noproc(void)
 {
 	struct net_device *dev, *next;
 
-	remove_proc_entry("arp", atm_proc_root);
-
 	unregister_inetaddr_notifier(&clip_inet_notifier);
 	unregister_netdevice_notifier(&clip_dev_notifier);
 
@@ -1005,6 +1011,13 @@ static void __exit atm_clip_exit(void)
 	clip_tbl_hook = NULL;
 }
 
+static void __exit atm_clip_exit(void)
+{
+	remove_proc_entry("arp", atm_proc_root);
+
+	atm_clip_exit_noproc();
+}
+
 module_init(atm_clip_init);
 module_exit(atm_clip_exit);
 MODULE_AUTHOR("Werner Almesberger");
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 0e450d1..a2efa7f 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1250,6 +1250,10 @@ static int __init lane_module_init(void)
 	struct proc_dir_entry *p;
 
 	p = proc_create("lec", S_IRUGO, atm_proc_root, &lec_seq_fops);
+	if (!p) {
+		printk(KERN_ERR "Unable to initialize /proc/net/atm/lec\n");
+		return -ENOMEM;
+	}
 #endif
 
 	register_atm_ioctl(&lane_ioctl_ops);
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 1ff446d..f6cdc01 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -177,10 +177,13 @@ static inline struct tnode *node_parent_rcu(struct node *node)
 	return rcu_dereference(ret);
 }
 
+/* Same as rcu_assign_pointer
+ * but that macro() assumes that value is a pointer.
+ */
 static inline void node_set_parent(struct node *node, struct tnode *ptr)
 {
-	rcu_assign_pointer(node->parent,
-			   (unsigned long)ptr | NODE_TYPE(node));
+	smp_wmb();
+	node->parent = (unsigned long)ptr | NODE_TYPE(node);
 }
 
 static inline struct node *tnode_get_child(struct tnode *tn, unsigned int i)
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index a2e92f9..3b2e5ad 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -568,7 +568,7 @@ int ip_defrag(struct sk_buff *skb, u32 user)
 
 	IP_INC_STATS_BH(IPSTATS_MIB_REASMREQDS);
 
-	net = skb->dev->nd_net;
+	net = skb->dev ? skb->dev->nd_net : skb->dst->dev->nd_net;
 	/* Start by cleaning up the memory. */
 	if (atomic_read(&net->ipv4.frags.mem) > net->ipv4.frags.high_thresh)
 		ip_evictor(net);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 071e83a..39b629a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -735,7 +735,7 @@ new_segment:
 		if (!(psize -= copy))
 			goto out;
 
-		if (skb->len < mss_now || (flags & MSG_OOB))
+		if (skb->len < size_goal || (flags & MSG_OOB))
 			continue;
 
 		if (forced_push(tp)) {
@@ -981,7 +981,7 @@ new_segment:
 			if ((seglen -= copy) == 0 && iovlen == 0)
 				goto out;
 
-			if (skb->len < mss_now || (flags & MSG_OOB))
+			if (skb->len < size_goal || (flags & MSG_OOB))
 				continue;
 
 			if (forced_push(tp)) {
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0d33a7d..51557c2 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1420,7 +1420,6 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 	u8 *opt;
 	int rd_len;
 	int err;
-	int hlen;
 	u8 ha_buf[MAX_ADDR_LEN], *ha = NULL;
 
 	dev = skb->dev;
@@ -1491,7 +1490,6 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
 		return;
 	}
 
-	hlen = 0;
 
 	skb_reserve(buff, LL_RESERVED_SPACE(dev));
 	ip6_nd_hdr(sk, buff, dev, &saddr_buf, &ipv6_hdr(skb)->saddr,
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 795c761..66148cc 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -711,9 +711,11 @@ static void htb_charge_class(struct htb_sched *q, struct htb_class *cl,
  */
 static psched_time_t htb_do_events(struct htb_sched *q, int level)
 {
-	int i;
-
-	for (i = 0; i < 500; i++) {
+	/* don't run for longer than 2 jiffies; 2 is used instead of
+	   1 to simplify things when jiffy is going to be incremented
+	   too soon */
+	unsigned long stop_at = jiffies + 2;
+	while (time_before(jiffies, stop_at)) {
 		struct htb_class *cl;
 		long diff;
 		struct rb_node *p = rb_first(&q->wait_pq[level]);
@@ -731,9 +733,8 @@ static psched_time_t htb_do_events(struct htb_sched *q, int level)
 		if (cl->cmode != HTB_CAN_SEND)
 			htb_add_to_wait_tree(q, cl, diff);
 	}
-	if (net_ratelimit())
-		printk(KERN_WARNING "htb: too many events !\n");
-	return q->now + PSCHED_TICKS_PER_SEC / 10;
+	/* too much load - let's continue on next jiffie */
+	return q->now + PSCHED_TICKS_PER_SEC / HZ;
 }
 
 /* Returns class->node+prio from id-tree where classe's id is >= id. NULL
diff --git a/net/socket.c b/net/socket.c
index b6d35cd..9d3fbfb 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -909,11 +909,10 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 			if (!dlci_ioctl_hook)
 				request_module("dlci");
 
-			if (dlci_ioctl_hook) {
-				mutex_lock(&dlci_ioctl_mutex);
+			mutex_lock(&dlci_ioctl_mutex);
+			if (dlci_ioctl_hook)
 				err = dlci_ioctl_hook(cmd, argp);
-				mutex_unlock(&dlci_ioctl_mutex);
-			}
+			mutex_unlock(&dlci_ioctl_mutex);
 			break;
 		default:
 			err = sock->ops->ioctl(sock, cmd, arg);