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: (26 commits)
  pkt_sched: Fix lockdep warning on est_tree_lock in gen_estimator
  ipvs: avoid oops for passive FTP
  Revert "sky2: don't do GRO on second port"
  gro: fix different skb headrooms
  bridge: Clear INET control block of SKBs passed into ip_fragment().
  3c59x: Remove incorrect locking; correct documented lock hierarchy
  sky2: don't do GRO on second port
  ipv4: minor fix about RPF in help of Kconfig
  xfrm_user: avoid a warning with some compiler
  net/sched/sch_hfsc.c: initialize parent's cl_cfmin properly in init_vf()
  pxa168_eth: fix a mdiobus leak
  net sched: fix kernel leak in act_police
  vhost: stop worker only if created
  MAINTAINERS: Add ehea driver as Supported
  ath9k_hw: fix parsing of HT40 5 GHz CTLs
  ath9k_hw: Fix EEPROM uncompress block reading on AR9003
  wireless: register wiphy rfkill w/o holding cfg80211_mutex
  netlink: Make NETLINK_USERSOCK work again.
  irda: Correctly clean up self->ias_obj on irda_bind() failure.
  wireless extensions: fix kernel heap content leak
  ...

net/bridge/br_netfilter.c

@@ -761,9 +761,11 @@ static int br_nf_dev_queue_xmit(struct sk_buff *skb)
 {
 	if (skb->nfct != NULL && skb->protocol == htons(ETH_P_IP) &&
 	    skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
-	    !skb_is_gso(skb))
+	    !skb_is_gso(skb)) {
+		/* BUG: Should really parse the IP options here. */
+		memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
 		return ip_fragment(skb, br_dev_queue_push_xmit);
-	else
+	} else
 		return br_dev_queue_push_xmit(skb);
 }
 #else

net/core/gen_estimator.c

@@ -232,7 +232,7 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
 	est->last_packets = bstats->packets;
 	est->avpps = rate_est->pps<<10;
 
-	spin_lock(&est_tree_lock);
+	spin_lock_bh(&est_tree_lock);
 	if (!elist[idx].timer.function) {
 		INIT_LIST_HEAD(&elist[idx].list);
 		setup_timer(&elist[idx].timer, est_timer, idx);
@@ -243,7 +243,7 @@ int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
 
 	list_add_rcu(&est->list, &elist[idx].list);
 	gen_add_node(est);
-	spin_unlock(&est_tree_lock);
+	spin_unlock_bh(&est_tree_lock);
 
 	return 0;
 }
@@ -270,7 +270,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
 {
 	struct gen_estimator *e;
 
-	spin_lock(&est_tree_lock);
+	spin_lock_bh(&est_tree_lock);
 	while ((e = gen_find_node(bstats, rate_est))) {
 		rb_erase(&e->node, &est_root);
 
@@ -281,7 +281,7 @@ void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
 		list_del_rcu(&e->list);
 		call_rcu(&e->e_rcu, __gen_kill_estimator);
 	}
-	spin_unlock(&est_tree_lock);
+	spin_unlock_bh(&est_tree_lock);
 }
 EXPORT_SYMBOL(gen_kill_estimator);
 
@@ -320,9 +320,9 @@ bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
 
 	ASSERT_RTNL();
 
-	spin_lock(&est_tree_lock);
+	spin_lock_bh(&est_tree_lock);
 	res = gen_find_node(bstats, rate_est) != NULL;
-	spin_unlock(&est_tree_lock);
+	spin_unlock_bh(&est_tree_lock);
 
 	return res;
 }

net/core/skbuff.c

@@ -2573,6 +2573,10 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
 		__copy_skb_header(nskb, skb);
 		nskb->mac_len = skb->mac_len;
 
+		/* nskb and skb might have different headroom */
+		if (nskb->ip_summed == CHECKSUM_PARTIAL)
+			nskb->csum_start += skb_headroom(nskb) - headroom;
+
 		skb_reset_mac_header(nskb);
 		skb_set_network_header(nskb, skb->mac_len);
 		nskb->transport_header = (nskb->network_header +
@@ -2702,8 +2706,8 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 	} else if (skb_gro_len(p) != pinfo->gso_size)
 		return -E2BIG;
 
-	headroom = skb_headroom(p);
-	nskb = netdev_alloc_skb(p->dev, headroom + skb_gro_offset(p));
+	headroom = NET_SKB_PAD + NET_IP_ALIGN;
+	nskb = alloc_skb(headroom + skb_gro_offset(p), GFP_ATOMIC);
 	if (unlikely(!nskb))
 		return -ENOMEM;
 

net/ipv4/Kconfig

@@ -46,7 +46,7 @@ config IP_ADVANCED_ROUTER
 	  rp_filter on use:
 
 	  echo 1 > /proc/sys/net/ipv4/conf/<device>/rp_filter
-	   and
+	   or
 	  echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
 
 	  Note that some distributions enable it in startup scripts.

net/irda/af_irda.c

@@ -824,8 +824,8 @@ static int irda_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 
 	err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
 	if (err < 0) {
-		kfree(self->ias_obj->name);
-		kfree(self->ias_obj);
+		irias_delete_object(self->ias_obj);
+		self->ias_obj = NULL;
 		goto out;
 	}
 

net/mac80211/main.c

@@ -732,6 +732,12 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 
 	rtnl_unlock();
 
+	/*
+	 * Now all work items will be gone, but the
+	 * timer might still be armed, so delete it
+	 */
+	del_timer_sync(&local->work_timer);
+
 	cancel_work_sync(&local->reconfig_filter);
 
 	ieee80211_clear_tx_pending(local);

net/netfilter/ipvs/ip_vs_ftp.c

@@ -45,6 +45,7 @@
 #include <linux/netfilter.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_expect.h>
+#include <net/netfilter/nf_nat.h>
 #include <net/netfilter/nf_nat_helper.h>
 #include <linux/gfp.h>
 #include <net/protocol.h>
@@ -359,7 +360,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 		buf_len = strlen(buf);
 
 		ct = nf_ct_get(skb, &ctinfo);
-		if (ct && !nf_ct_is_untracked(ct)) {
+		if (ct && !nf_ct_is_untracked(ct) && nfct_nat(ct)) {
 			/* If mangling fails this function will return 0
 			 * which will cause the packet to be dropped.
 			 * Mangling can only fail under memory pressure,

net/netlink/af_netlink.c

@@ -2102,6 +2102,26 @@ static void __net_exit netlink_net_exit(struct net *net)
 #endif
 }
 
+static void __init netlink_add_usersock_entry(void)
+{
+	unsigned long *listeners;
+	int groups = 32;
+
+	listeners = kzalloc(NLGRPSZ(groups) + sizeof(struct listeners_rcu_head),
+			    GFP_KERNEL);
+	if (!listeners)
+		panic("netlink_add_usersock_entry: Cannot allocate listneres\n");
+
+	netlink_table_grab();
+
+	nl_table[NETLINK_USERSOCK].groups = groups;
+	nl_table[NETLINK_USERSOCK].listeners = listeners;
+	nl_table[NETLINK_USERSOCK].module = THIS_MODULE;
+	nl_table[NETLINK_USERSOCK].registered = 1;
+
+	netlink_table_ungrab();
+}
+
 static struct pernet_operations __net_initdata netlink_net_ops = {
 	.init = netlink_net_init,
 	.exit = netlink_net_exit,
@@ -2150,6 +2170,8 @@ static int __init netlink_proto_init(void)
 		hash->rehash_time = jiffies;
 	}
 
+	netlink_add_usersock_entry();
+
 	sock_register(&netlink_family_ops);
 	register_pernet_subsys(&netlink_net_ops);
 	/* The netlink device handler may be needed early. */

net/sched/act_police.c

@@ -350,22 +350,19 @@ tcf_act_police_dump(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
 {
 	unsigned char *b = skb_tail_pointer(skb);
 	struct tcf_police *police = a->priv;
-	struct tc_police opt;
+	struct tc_police opt = {
+		.index = police->tcf_index,
+		.action = police->tcf_action,
+		.mtu = police->tcfp_mtu,
+		.burst = police->tcfp_burst,
+		.refcnt = police->tcf_refcnt - ref,
+		.bindcnt = police->tcf_bindcnt - bind,
+	};
 
-	opt.index = police->tcf_index;
-	opt.action = police->tcf_action;
-	opt.mtu = police->tcfp_mtu;
-	opt.burst = police->tcfp_burst;
-	opt.refcnt = police->tcf_refcnt - ref;
-	opt.bindcnt = police->tcf_bindcnt - bind;
 	if (police->tcfp_R_tab)
 		opt.rate = police->tcfp_R_tab->rate;
-	else
-		memset(&opt.rate, 0, sizeof(opt.rate));
 	if (police->tcfp_P_tab)
 		opt.peakrate = police->tcfp_P_tab->rate;
-	else
-		memset(&opt.peakrate, 0, sizeof(opt.peakrate));
 	NLA_PUT(skb, TCA_POLICE_TBF, sizeof(opt), &opt);
 	if (police->tcfp_result)
 		NLA_PUT_U32(skb, TCA_POLICE_RESULT, police->tcfp_result);

net/sched/sch_hfsc.c

@@ -761,8 +761,8 @@ init_vf(struct hfsc_class *cl, unsigned int len)
 		if (f != cl->cl_f) {
 			cl->cl_f = f;
 			cftree_update(cl);
-			update_cfmin(cl->cl_parent);
 		}
+		update_cfmin(cl->cl_parent);
 	}
 }
 

net/wireless/core.c

@@ -475,12 +475,10 @@ int wiphy_register(struct wiphy *wiphy)
 	mutex_lock(&cfg80211_mutex);
 
 	res = device_add(&rdev->wiphy.dev);
-	if (res)
-		goto out_unlock;
-
-	res = rfkill_register(rdev->rfkill);
-	if (res)
-		goto out_rm_dev;
+	if (res) {
+		mutex_unlock(&cfg80211_mutex);
+		return res;
+	}
 
 	/* set up regulatory info */
 	wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
@@ -509,13 +507,18 @@ int wiphy_register(struct wiphy *wiphy)
 	cfg80211_debugfs_rdev_add(rdev);
 	mutex_unlock(&cfg80211_mutex);
 
+	/*
+	 * due to a locking dependency this has to be outside of the
+	 * cfg80211_mutex lock
+	 */
+	res = rfkill_register(rdev->rfkill);
+	if (res)
+		goto out_rm_dev;
+
 	return 0;
 
 out_rm_dev:
 	device_del(&rdev->wiphy.dev);
-
-out_unlock:
-	mutex_unlock(&cfg80211_mutex);
 	return res;
 }
 EXPORT_SYMBOL(wiphy_register);

net/wireless/wext-compat.c

@@ -1420,6 +1420,9 @@ int cfg80211_wext_giwessid(struct net_device *dev,
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 
+	data->flags = 0;
+	data->length = 0;
+
 	switch (wdev->iftype) {
 	case NL80211_IFTYPE_ADHOC:
 		return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);

net/wireless/wext-core.c

@@ -782,6 +782,22 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
 		}
 	}
 
+	if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) {
+		/*
+		 * If this is a GET, but not NOMAX, it means that the extra
+		 * data is not bounded by userspace, but by max_tokens. Thus
+		 * set the length to max_tokens. This matches the extra data
+		 * allocation.
+		 * The driver should fill it with the number of tokens it
+		 * provided, and it may check iwp->length rather than having
+		 * knowledge of max_tokens. If the driver doesn't change the
+		 * iwp->length, this ioctl just copies back max_token tokens
+		 * filled with zeroes. Hopefully the driver isn't claiming
+		 * them to be valid data.
+		 */
+		iwp->length = descr->max_tokens;
+	}
+
 	err = handler(dev, info, (union iwreq_data *) iwp, extra);
 
 	iwp->length += essid_compat;

net/xfrm/xfrm_user.c

@@ -1801,7 +1801,7 @@ static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
 	struct xfrm_user_expire *ue = nlmsg_data(nlh);
 	struct xfrm_usersa_info *p = &ue->state;
 	struct xfrm_mark m;
-	u32 mark = xfrm_mark_get(attrs, &m);;
+	u32 mark = xfrm_mark_get(attrs, &m);
 
 	x = xfrm_state_lookup(net, mark, &p->id.daddr, p->id.spi, p->id.proto, p->family);