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: (27 commits)
slcan: fix ldisc->open retval
net/usb: mark LG VL600 LTE modem ethernet interface as WWAN
xfrm: Don't allow esn with disabled anti replay detection
xfrm: Assign the inner mode output function to the dst entry
net: dev_close() should check IFF_UP
vlan: fix GVRP at dismantle time
netfilter: revert a2361c8735e07322023aedc36e4938b35af31eb0
netfilter: IPv6: fix DSCP mangle code
netfilter: IPv6: initialize TOS field in REJECT target module
IPVS: init and cleanup restructuring
IPVS: Change of socket usage to enable name space exit.
netfilter: ebtables: only call xt_compat_add_offset once per rule
netfilter: fix ebtables compat support
netfilter: ctnetlink: fix timestamp support for new conntracks
pch_gbe: support ML7223 IOH
PCH_GbE : Fixed the issue of checksum judgment
PCH_GbE : Fixed the issue of collision detection
NET: slip, fix ldisc->open retval
be2net: Fixed bugs related to PVID.
ehea: fix wrongly reported speed and port
...

drivers/net/Kconfig

···
 source "drivers/net/stmmac/Kconfig"
 
 config PCH_GBE
-	tristate "PCH Gigabit Ethernet"
+	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GbE"
 	depends on PCI
 	select MII
 	---help---
···
 	  Using this interface, it is able to access system devices connected
 	  to Gigabit Ethernet.
 	  This driver enables Gigabit Ethernet function.
+
+	  This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
+	  Output Hub), ML7223.
+	  ML7223 IOH is for MP(Media Phone) use.
+	  ML7223 is companion chip for Intel Atom E6xx series.
+	  ML7223 is completely compatible for Intel EG20T PCH.
 
 endif # NETDEV_1000
 

drivers/net/benet/be.h

···
 
 struct be_rx_compl_info {
 	u32 rss_hash;
-	u16 vid;
+	u16 vlan_tag;
 	u16 pkt_size;
 	u16 rxq_idx;
 	u16 mac_id;

drivers/net/benet/be_cmds.c

···
 		struct be_async_event_grp5_pvid_state *evt)
 {
 	if (evt->enabled)
-		adapter->pvid = evt->tag;
+		adapter->pvid = le16_to_cpu(evt->tag);
 	else
 		adapter->pvid = 0;
 }

drivers/net/benet/be_main.c

···
 			kfree_skb(skb);
 			return;
 		}
-		vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, rxcp->vid);
+		vlan_hwaccel_receive_skb(skb, adapter->vlan_grp,
+					rxcp->vlan_tag);
 	} else {
 		netif_receive_skb(skb);
 	}
···
 	if (likely(!rxcp->vlanf))
 		napi_gro_frags(&eq_obj->napi);
 	else
-		vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, rxcp->vid);
+		vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp,
+				rxcp->vlan_tag);
 }
 
 static void be_parse_rx_compl_v1(struct be_adapter *adapter,
···
 	rxcp->pkt_type =
 		AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl);
 	rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, compl);
-	rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, compl);
+	rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag,
+					compl);
 }
 
 static void be_parse_rx_compl_v0(struct be_adapter *adapter,
···
 	rxcp->pkt_type =
 		AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl);
 	rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, compl);
-	rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, compl);
+	rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag,
+					compl);
 }
 
 static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo)
···
 		rxcp->vlanf = 0;
 
 	if (!lancer_chip(adapter))
-		rxcp->vid = swab16(rxcp->vid);
+		rxcp->vlan_tag = swab16(rxcp->vlan_tag);
 
-	if ((adapter->pvid == rxcp->vid) && !adapter->vlan_tag[rxcp->vid])
+	if (((adapter->pvid & VLAN_VID_MASK) ==
+		(rxcp->vlan_tag & VLAN_VID_MASK)) &&
+		!adapter->vlan_tag[rxcp->vlan_tag])
 		rxcp->vlanf = 0;
 
 	/* As the compl has been parsed, reset it; we wont touch it again */

drivers/net/can/sja1000/sja1000.c

···
 		    | (priv->read_reg(priv, REG_ID2) >> 5);
 	}
 
+	cf->can_dlc = get_can_dlc(fi & 0x0F);
 	if (fi & FI_RTR) {
 		id |= CAN_RTR_FLAG;
 	} else {
-		cf->can_dlc = get_can_dlc(fi & 0x0F);
 		for (i = 0; i < cf->can_dlc; i++)
 			cf->data[i] = priv->read_reg(priv, dreg++);
 	}

drivers/net/can/slcan.c

···
 	/* Done.  We have linked the TTY line to a channel. */
 	rtnl_unlock();
 	tty->receive_room = 65536;	/* We don't flow control */
-	return sl->dev->base_addr;
+
+	/* TTY layer expects 0 on success */
+	return 0;
 
 err_free_chan:
 	sl->tty = NULL;

drivers/net/ehea/ehea_ethtool.c

···
 		cmd->duplex = -1;
 	}
 
-	cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full
-		       | SUPPORTED_100baseT_Full |  SUPPORTED_100baseT_Half
-		       | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half
-		       | SUPPORTED_Autoneg | SUPPORTED_FIBRE);
+	if (cmd->speed == SPEED_10000) {
+		cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
+		cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
+		cmd->port = PORT_FIBRE;
+	} else {
+		cmd->supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full
+			       | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full
+			       | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg
+			       | SUPPORTED_TP);
+		cmd->advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg
+				 | ADVERTISED_TP);
+		cmd->port = PORT_TP;
+	}
 
-	cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg
-			 | ADVERTISED_FIBRE);
-
-	cmd->port = PORT_FIBRE;
 	cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 
 	return 0;

drivers/net/pch_gbe/pch_gbe_main.c

···
 #define PCH_GBE_COPYBREAK_DEFAULT	256
 #define PCH_GBE_PCI_BAR			1
 
+/* Macros for ML7223 */
+#define PCI_VENDOR_ID_ROHM			0x10db
+#define PCI_DEVICE_ID_ROHM_ML7223_GBE		0x8013
+
 #define PCH_GBE_TX_WEIGHT         64
 #define PCH_GBE_RX_WEIGHT         64
 #define PCH_GBE_RX_BUFFER_WRITE   16
···
 
 #define PCH_GBE_MAC_RGMII_CTRL_SETTING ( \
 	PCH_GBE_CHIP_TYPE_INTERNAL | \
-	PCH_GBE_RGMII_MODE_RGMII   | \
-	PCH_GBE_CRS_SEL              \
+	PCH_GBE_RGMII_MODE_RGMII     \
 	)
 
 /* Ethertype field values */
···
 			/* Write meta date of skb */
 			skb_put(skb, length);
 			skb->protocol = eth_type_trans(skb, netdev);
-			if ((tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) ==
-			    PCH_GBE_RXD_ACC_STAT_TCPIPOK) {
-				skb->ip_summed = CHECKSUM_UNNECESSARY;
-			} else {
+			if (tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK)
 				skb->ip_summed = CHECKSUM_NONE;
-			}
+			else
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+
 			napi_gro_receive(&adapter->napi, skb);
 			(*work_done)++;
 			pr_debug("Receive skb->ip_summed: %d length: %d\n",
···
 static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = {
 	{.vendor = PCI_VENDOR_ID_INTEL,
 	 .device = PCI_DEVICE_ID_INTEL_IOH1_GBE,
+	 .subvendor = PCI_ANY_ID,
+	 .subdevice = PCI_ANY_ID,
+	 .class = (PCI_CLASS_NETWORK_ETHERNET << 8),
+	 .class_mask = (0xFFFF00)
+	 },
+	{.vendor = PCI_VENDOR_ID_ROHM,
+	 .device = PCI_DEVICE_ID_ROHM_ML7223_GBE,
 	 .subvendor = PCI_ANY_ID,
 	 .subdevice = PCI_ANY_ID,
 	 .class = (PCI_CLASS_NETWORK_ETHERNET << 8),

drivers/net/slip.c

···
 	/* Done.  We have linked the TTY line to a channel. */
 	rtnl_unlock();
 	tty->receive_room = 65536;	/* We don't flow control */
-	return sl->dev->base_addr;
+
+	/* TTY layer expects 0 on success */
+	return 0;
 
 err_free_bufs:
 	sl_free_bufs(sl);

drivers/net/usb/cdc_ether.c

···
 {
 	USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
 			USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
-	.driver_info		= 0,
+	.driver_info = (unsigned long)&wwan_info,
 },
 
 /*

drivers/net/usb/ipheth.c

···
 #define IPHETH_USBINTF_PROTO    1
 
 #define IPHETH_BUF_SIZE         1516
+#define IPHETH_IP_ALIGN		2	/* padding at front of URB */
 #define IPHETH_TX_TIMEOUT       (5 * HZ)
 
 #define IPHETH_INTFNUM          2
···
 		return;
 	}
 
-	len = urb->actual_length;
-	buf = urb->transfer_buffer;
+	if (urb->actual_length <= IPHETH_IP_ALIGN) {
+		dev->net->stats.rx_length_errors++;
+		return;
+	}
+	len = urb->actual_length - IPHETH_IP_ALIGN;
+	buf = urb->transfer_buffer + IPHETH_IP_ALIGN;
 
-	skb = dev_alloc_skb(NET_IP_ALIGN + len);
+	skb = dev_alloc_skb(len);
 	if (!skb) {
 		err("%s: dev_alloc_skb: -ENOMEM", __func__);
 		dev->net->stats.rx_dropped++;
 		return;
 	}
 
-	skb_reserve(skb, NET_IP_ALIGN);
-	memcpy(skb_put(skb, len), buf + NET_IP_ALIGN, len - NET_IP_ALIGN);
+	memcpy(skb_put(skb, len), buf, len);
 	skb->dev = dev->net;
 	skb->protocol = eth_type_trans(skb, dev->net);
 

drivers/net/usb/usbnet.c

···
 	struct driver_info	*info = dev->driver_info;
 	int			retval;
 
+	clear_bit(EVENT_DEV_OPEN, &dev->flags);
 	netif_stop_queue (net);
 
 	netif_info(dev, ifdown, dev->net,
···
 		smp_mb();
 		clear_bit(EVENT_DEV_ASLEEP, &dev->flags);
 		spin_unlock_irq(&dev->txq.lock);
-		if (!(dev->txq.qlen >= TX_QLEN(dev)))
-			netif_start_queue(dev->net);
-		tasklet_schedule (&dev->bh);
+
+		if (test_bit(EVENT_DEV_OPEN, &dev->flags)) {
+			if (!(dev->txq.qlen >= TX_QLEN(dev)))
+				netif_start_queue(dev->net);
+			tasklet_schedule (&dev->bh);
+		}
 	}
 	return 0;
 }

drivers/net/vmxnet3/vmxnet3_drv.c

···
 vmxnet3_process_events(struct vmxnet3_adapter *adapter)
 {
 	int i;
+	unsigned long flags;
 	u32 events = le32_to_cpu(adapter->shared->ecr);
 	if (!events)
 		return;
···
 
 	/* Check if there is an error on xmit/recv queues */
 	if (events & (VMXNET3_ECR_TQERR | VMXNET3_ECR_RQERR)) {
-		spin_lock(&adapter->cmd_lock);
+		spin_lock_irqsave(&adapter->cmd_lock, flags);
 		VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 				       VMXNET3_CMD_GET_QUEUE_STATUS);
-		spin_unlock(&adapter->cmd_lock);
+		spin_unlock_irqrestore(&adapter->cmd_lock, flags);
 
 		for (i = 0; i < adapter->num_tx_queues; i++)
 			if (adapter->tqd_start[i].status.stopped)
···
 vmxnet3_alloc_intr_resources(struct vmxnet3_adapter *adapter)
 {
 	u32 cfg;
+	unsigned long flags;
 
 	/* intr settings */
-	spin_lock(&adapter->cmd_lock);
+	spin_lock_irqsave(&adapter->cmd_lock, flags);
 	VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
 			       VMXNET3_CMD_GET_CONF_INTR);
 	cfg = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
-	spin_unlock(&adapter->cmd_lock);
+	spin_unlock_irqrestore(&adapter->cmd_lock, flags);
 	adapter->intr.type = cfg & 0x3;
 	adapter->intr.mask_mode = (cfg >> 2) & 0x3;
 

include/net/ip_vs.h

···
 /* IPVS in network namespace */
 struct netns_ipvs {
 	int			gen;		/* Generation */
+	int			enable;		/* enable like nf_hooks do */
 	/*
 	 *	Hash table: for real service lookups
 	 */
···
 	atomic_inc(&ctl_cp->n_control);
 }
 
+/*
+ * IPVS netns init & cleanup functions
+ */
+extern int __ip_vs_estimator_init(struct net *net);
+extern int __ip_vs_control_init(struct net *net);
+extern int __ip_vs_protocol_init(struct net *net);
+extern int __ip_vs_app_init(struct net *net);
+extern int __ip_vs_conn_init(struct net *net);
+extern int __ip_vs_sync_init(struct net *net);
+extern void __ip_vs_conn_cleanup(struct net *net);
+extern void __ip_vs_app_cleanup(struct net *net);
+extern void __ip_vs_protocol_cleanup(struct net *net);
+extern void __ip_vs_control_cleanup(struct net *net);
+extern void __ip_vs_estimator_cleanup(struct net *net);
+extern void __ip_vs_sync_cleanup(struct net *net);
+extern void __ip_vs_service_cleanup(struct net *net);
 
 /*
  *      IPVS application functions

include/net/xfrm.h

···
 	int			(*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
 	int			(*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
 	int			(*output)(struct sk_buff *skb);
+	int			(*output_finish)(struct sk_buff *skb);
 	int			(*extract_input)(struct xfrm_state *x,
 						 struct sk_buff *skb);
 	int			(*extract_output)(struct xfrm_state *x,
···
 extern int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm4_output(struct sk_buff *skb);
+extern int xfrm4_output_finish(struct sk_buff *skb);
 extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
 extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
 extern int xfrm6_extract_header(struct sk_buff *skb);
···
 extern int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
 extern int xfrm6_output(struct sk_buff *skb);
+extern int xfrm6_output_finish(struct sk_buff *skb);
 extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
 				 u8 **prevhdr);
 

net/8021q/vlan.c

···
 
 	grp->nr_vlans--;
 
+	if (vlan->flags & VLAN_FLAG_GVRP)
+		vlan_gvrp_request_leave(dev);
+
 	vlan_group_set_device(grp, vlan_id, NULL);
 	if (!grp->killall)
 		synchronize_net();

net/8021q/vlan_dev.c

···
 	struct vlan_dev_info *vlan = vlan_dev_info(dev);
 	struct net_device *real_dev = vlan->real_dev;
 
-	if (vlan->flags & VLAN_FLAG_GVRP)
-		vlan_gvrp_request_leave(dev);
-
 	dev_mc_unsync(real_dev, dev);
 	dev_uc_unsync(real_dev, dev);
 	if (dev->flags & IFF_ALLMULTI)

net/bridge/netfilter/ebtables.c

···
 
 	newinfo->entries_size = size;
 
-	xt_compat_init_offsets(AF_INET, info->nentries);
+	xt_compat_init_offsets(NFPROTO_BRIDGE, info->nentries);
 	return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info,
 							entries, newinfo);
 }
···
 	struct xt_match *match;
 	struct xt_target *wt;
 	void *dst = NULL;
-	int off, pad = 0, ret = 0;
+	int off, pad = 0;
 	unsigned int size_kern, entry_offset, match_size = mwt->match_size;
 
 	strlcpy(name, mwt->u.name, sizeof(name));
···
 		size_kern = wt->targetsize;
 		module_put(wt->me);
 		break;
-	}
-
-	if (!dst) {
-		ret = xt_compat_add_offset(NFPROTO_BRIDGE, entry_offset,
-					off + ebt_compat_entry_padsize());
-		if (ret < 0)
-			return ret;
 	}
 
 	state->buf_kern_offset += match_size + off;
···
 	return growth;
 }
 
-#define EBT_COMPAT_WATCHER_ITERATE(e, fn, args...)          \
-({                                                          \
-	unsigned int __i;                                   \
-	int __ret = 0;                                      \
-	struct compat_ebt_entry_mwt *__watcher;             \
-	                                                    \
-	for (__i = e->watchers_offset;                      \
-	     __i < (e)->target_offset;                      \
-	     __i += __watcher->watcher_size +               \
-	     sizeof(struct compat_ebt_entry_mwt)) {         \
-		__watcher = (void *)(e) + __i;              \
-		__ret = fn(__watcher , ## args);            \
-		if (__ret != 0)                             \
-			break;                              \
-	}                                                   \
-	if (__ret == 0) {                                   \
-		if (__i != (e)->target_offset)              \
-			__ret = -EINVAL;                    \
-	}                                                   \
-	__ret;                                              \
-})
-
-#define EBT_COMPAT_MATCH_ITERATE(e, fn, args...)            \
-({                                                          \
-	unsigned int __i;                                   \
-	int __ret = 0;                                      \
-	struct compat_ebt_entry_mwt *__match;               \
-	                                                    \
-	for (__i = sizeof(struct ebt_entry);                \
-	     __i < (e)->watchers_offset;                    \
-	     __i += __match->match_size +                   \
-	     sizeof(struct compat_ebt_entry_mwt)) {         \
-		__match = (void *)(e) + __i;                \
-		__ret = fn(__match , ## args);              \
-		if (__ret != 0)                             \
-			break;                              \
-	}                                                   \
-	if (__ret == 0) {                                   \
-		if (__i != (e)->watchers_offset)            \
-			__ret = -EINVAL;                    \
-	}                                                   \
-	__ret;                                              \
-})
-
 /* called for all ebt_entry structures. */
 static int size_entry_mwt(struct ebt_entry *entry, const unsigned char *base,
 			  unsigned int *total,
···
 				offsets_update[i], offsets[j] + new_offset);
 			offsets_update[i] = offsets[j] + new_offset;
 		}
+	}
+
+	if (state->buf_kern_start == NULL) {
+		unsigned int offset = buf_start - (char *) base;
+
+		ret = xt_compat_add_offset(NFPROTO_BRIDGE, offset, new_offset);
+		if (ret < 0)
+			return ret;
 	}
 
 	startoff = state->buf_user_offset - startoff;
···
 
 	xt_compat_lock(NFPROTO_BRIDGE);
 
+	xt_compat_init_offsets(NFPROTO_BRIDGE, tmp.nentries);
 	ret = compat_copy_entries(entries_tmp, tmp.entries_size, &state);
 	if (ret < 0)
 		goto out_unlock;

net/core/dev.c

···
  */
 int dev_close(struct net_device *dev)
 {
-	LIST_HEAD(single);
+	if (dev->flags & IFF_UP) {
+		LIST_HEAD(single);
 
-	list_add(&dev->unreg_list, &single);
-	dev_close_many(&single);
-	list_del(&single);
+		list_add(&dev->unreg_list, &single);
+		dev_close_many(&single);
+		list_del(&single);
+	}
 	return 0;
 }
 EXPORT_SYMBOL(dev_close);

net/dccp/options.c

···
 		case DCCPO_CHANGE_L ... DCCPO_CONFIRM_R:
 			if (pkt_type == DCCP_PKT_DATA)      /* RFC 4340, 6 */
 				break;
+			if (len == 0)
+				goto out_invalid_option;
 			rc = dccp_feat_parse_options(sk, dreq, mandatory, opt,
 						    *value, value + 1, len - 1);
 			if (rc)

net/ipv4/ip_fragment.c

···
 
 	if ((qp->q.last_in & INET_FRAG_FIRST_IN) && qp->q.fragments != NULL) {
 		struct sk_buff *head = qp->q.fragments;
+		const struct iphdr *iph;
+		int err;
 
 		rcu_read_lock();
 		head->dev = dev_get_by_index_rcu(net, qp->iif);
 		if (!head->dev)
 			goto out_rcu_unlock;
 
+		/* skb dst is stale, drop it, and perform route lookup again */
+		skb_dst_drop(head);
+		iph = ip_hdr(head);
+		err = ip_route_input_noref(head, iph->daddr, iph->saddr,
+					   iph->tos, head->dev);
+		if (err)
+			goto out_rcu_unlock;
+
 		/*
-		 * Only search router table for the head fragment,
-		 * when defraging timeout at PRE_ROUTING HOOK.
+		 * Only an end host needs to send an ICMP
+		 * "Fragment Reassembly Timeout" message, per RFC792.
 		 */
-		if (qp->user == IP_DEFRAG_CONNTRACK_IN && !skb_dst(head)) {
-			const struct iphdr *iph = ip_hdr(head);
-			int err = ip_route_input(head, iph->daddr, iph->saddr,
-						 iph->tos, head->dev);
-			if (unlikely(err))
-				goto out_rcu_unlock;
+		if (qp->user == IP_DEFRAG_CONNTRACK_IN &&
+		    skb_rtable(head)->rt_type != RTN_LOCAL)
+			goto out_rcu_unlock;
 
-			/*
-			 * Only an end host needs to send an ICMP
-			 * "Fragment Reassembly Timeout" message, per RFC792.
-			 */
-			if (skb_rtable(head)->rt_type != RTN_LOCAL)
-				goto out_rcu_unlock;
-
-		}
 
 		/* Send an ICMP "Fragment Reassembly Timeout" message. */
 		icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0);

net/ipv4/tcp_cubic.c

···
 	u32	ack_cnt;	/* number of acks */
 	u32	tcp_cwnd;	/* estimated tcp cwnd */
 #define ACK_RATIO_SHIFT	4
+#define ACK_RATIO_LIMIT (32u << ACK_RATIO_SHIFT)
 	u16	delayed_ack;	/* estimate the ratio of Packets/ACKs << 4 */
 	u8	sample_cnt;	/* number of samples to decide curr_rtt */
 	u8	found;		/* the exit point is found? */
···
 	u32 delay;
 
 	if (icsk->icsk_ca_state == TCP_CA_Open) {
-		cnt -= ca->delayed_ack >> ACK_RATIO_SHIFT;
-		ca->delayed_ack += cnt;
+		u32 ratio = ca->delayed_ack;
+
+		ratio -= ca->delayed_ack >> ACK_RATIO_SHIFT;
+		ratio += cnt;
+
+		ca->delayed_ack = min(ratio, ACK_RATIO_LIMIT);
 	}
 
 	/* Some calls are for duplicates without timetamps */

net/ipv4/xfrm4_output.c

···
 }
 EXPORT_SYMBOL(xfrm4_prepare_output);
 
-static int xfrm4_output_finish(struct sk_buff *skb)
+int xfrm4_output_finish(struct sk_buff *skb)
 {
 #ifdef CONFIG_NETFILTER
 	if (!skb_dst(skb)->xfrm) {
···
 
 int xfrm4_output(struct sk_buff *skb)
 {
+	struct dst_entry *dst = skb_dst(skb);
+	struct xfrm_state *x = dst->xfrm;
+
 	return NF_HOOK_COND(NFPROTO_IPV4, NF_INET_POST_ROUTING, skb,
-			    NULL, skb_dst(skb)->dev, xfrm4_output_finish,
+			    NULL, dst->dev,
+			    x->outer_mode->afinfo->output_finish,
 			    !(IPCB(skb)->flags & IPSKB_REROUTED));
 }

net/ipv4/xfrm4_state.c

···
 	.init_tempsel		= __xfrm4_init_tempsel,
 	.init_temprop		= xfrm4_init_temprop,
 	.output			= xfrm4_output,
+	.output_finish		= xfrm4_output_finish,
 	.extract_input		= xfrm4_extract_input,
 	.extract_output		= xfrm4_extract_output,
 	.transport_finish	= xfrm4_transport_finish,

net/ipv6/netfilter/ip6t_REJECT.c

···
 	int tcphoff, needs_ack;
 	const struct ipv6hdr *oip6h = ipv6_hdr(oldskb);
 	struct ipv6hdr *ip6h;
+#define DEFAULT_TOS_VALUE	0x0U
+	const __u8 tclass = DEFAULT_TOS_VALUE;
 	struct dst_entry *dst = NULL;
 	u8 proto;
 	struct flowi6 fl6;
···
 	skb_put(nskb, sizeof(struct ipv6hdr));
 	skb_reset_network_header(nskb);
 	ip6h = ipv6_hdr(nskb);
-	ip6h->version = 6;
+	*(__be32 *)ip6h =  htonl(0x60000000 | (tclass << 20));
 	ip6h->hop_limit = ip6_dst_hoplimit(dst);
 	ip6h->nexthdr = IPPROTO_TCP;
 	ipv6_addr_copy(&ip6h->saddr, &oip6h->daddr);

net/ipv6/xfrm6_output.c

···
 }
 EXPORT_SYMBOL(xfrm6_prepare_output);
 
-static int xfrm6_output_finish(struct sk_buff *skb)
+int xfrm6_output_finish(struct sk_buff *skb)
 {
 #ifdef CONFIG_NETFILTER
 	IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
···
 	if ((x && x->props.mode == XFRM_MODE_TUNNEL) &&
 	    ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
 		dst_allfrag(skb_dst(skb)))) {
-			return ip6_fragment(skb, xfrm6_output_finish);
+			return ip6_fragment(skb, x->outer_mode->afinfo->output_finish);
 	}
-	return xfrm6_output_finish(skb);
+	return x->outer_mode->afinfo->output_finish(skb);
 }
 
 int xfrm6_output(struct sk_buff *skb)

net/ipv6/xfrm6_state.c

···
 	.tmpl_sort		= __xfrm6_tmpl_sort,
 	.state_sort		= __xfrm6_state_sort,
 	.output			= xfrm6_output,
+	.output_finish		= xfrm6_output_finish,
 	.extract_input		= xfrm6_extract_input,
 	.extract_output		= xfrm6_extract_output,
 	.transport_finish	= xfrm6_transport_finish,

net/netfilter/ipvs/ip_vs_app.c

···
 };
 #endif
 
-static int __net_init __ip_vs_app_init(struct net *net)
+int __net_init __ip_vs_app_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
···
 	return 0;
 }
 
-static void __net_exit __ip_vs_app_cleanup(struct net *net)
+void __net_exit __ip_vs_app_cleanup(struct net *net)
 {
 	proc_net_remove(net, "ip_vs_app");
 }
 
-static struct pernet_operations ip_vs_app_ops = {
-	.init = __ip_vs_app_init,
-	.exit = __ip_vs_app_cleanup,
-};
-
 int __init ip_vs_app_init(void)
 {
-	int rv;
-
-	rv = register_pernet_subsys(&ip_vs_app_ops);
-	return rv;
+	return 0;
 }
 
 
 void ip_vs_app_cleanup(void)
 {
-	unregister_pernet_subsys(&ip_vs_app_ops);
 }

net/netfilter/ipvs/ip_vs_conn.c

···
 	return 0;
 }
 
-static void __net_exit __ip_vs_conn_cleanup(struct net *net)
+void __net_exit __ip_vs_conn_cleanup(struct net *net)
 {
 	/* flush all the connection entries first */
 	ip_vs_conn_flush(net);
 	proc_net_remove(net, "ip_vs_conn");
 	proc_net_remove(net, "ip_vs_conn_sync");
 }
-static struct pernet_operations ipvs_conn_ops = {
-	.init = __ip_vs_conn_init,
-	.exit = __ip_vs_conn_cleanup,
-};
 
 int __init ip_vs_conn_init(void)
 {
 	int idx;
-	int retc;
 
 	/* Compute size and mask */
 	ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
···
 		rwlock_init(&__ip_vs_conntbl_lock_array[idx].l);
 	}
 
-	retc = register_pernet_subsys(&ipvs_conn_ops);
-
 	/* calculate the random value for connection hash */
 	get_random_bytes(&ip_vs_conn_rnd, sizeof(ip_vs_conn_rnd));
 
-	return retc;
+	return 0;
 }
 
 void ip_vs_conn_cleanup(void)
 {
-	unregister_pernet_subsys(&ipvs_conn_ops);
 	/* Release the empty cache */
 	kmem_cache_destroy(ip_vs_conn_cachep);
 	vfree(ip_vs_conn_tab);

net/netfilter/ipvs/ip_vs_core.c

···
 		return NF_ACCEPT;
 
 	net = skb_net(skb);
+	if (!net_ipvs(net)->enable)
+		return NF_ACCEPT;
+
 	ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6) {
···
 		return NF_ACCEPT; /* The packet looks wrong, ignore */
 
 	net = skb_net(skb);
+
 	pd = ip_vs_proto_data_get(net, cih->protocol);
 	if (!pd)
 		return NF_ACCEPT;
···
 			      IP_VS_DBG_ADDR(af, &iph.daddr), hooknum);
 		return NF_ACCEPT;
 	}
+	/* ipvs enabled in this netns ? */
+	net = skb_net(skb);
+	if (!net_ipvs(net)->enable)
+		return NF_ACCEPT;
+
 	ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
 
 	/* Bad... Do not break raw sockets */
···
 			ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
 		}
 
-	net = skb_net(skb);
 	/* Protocol supported? */
 	pd = ip_vs_proto_data_get(net, iph.protocol);
 	if (unlikely(!pd))
···
 	}
 
 	IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet");
-	net = skb_net(skb);
 	ipvs = net_ipvs(net);
 	/* Check the server status */
 	if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) {
···
 		   int (*okfn)(struct sk_buff *))
 {
 	int r;
+	struct net *net;
 
 	if (ip_hdr(skb)->protocol != IPPROTO_ICMP)
+		return NF_ACCEPT;
+
+	/* ipvs enabled in this netns ? */
+	net = skb_net(skb);
+	if (!net_ipvs(net)->enable)
 		return NF_ACCEPT;
 
 	return ip_vs_in_icmp(skb, &r, hooknum);
···
 		      int (*okfn)(struct sk_buff *))
 {
 	int r;
+	struct net *net;
 
 	if (ipv6_hdr(skb)->nexthdr != IPPROTO_ICMPV6)
+		return NF_ACCEPT;
+
+	/* ipvs enabled in this netns ? */
+	net = skb_net(skb);
+	if (!net_ipvs(net)->enable)
 		return NF_ACCEPT;
 
 	return ip_vs_in_icmp_v6(skb, &r, hooknum);
···
 		pr_err("%s(): no memory.\n", __func__);
 		return -ENOMEM;
 	}
+	/* Hold the beast until a service is registerd */
+	ipvs->enable = 0;
 	ipvs->net = net;
 	/* Counters used for creating unique names */
 	ipvs->gen = atomic_read(&ipvs_netns_cnt);
 	atomic_inc(&ipvs_netns_cnt);
 	net->ipvs = ipvs;
+
+	if (__ip_vs_estimator_init(net) < 0)
+		goto estimator_fail;
+
+	if (__ip_vs_control_init(net) < 0)
+		goto control_fail;
+
+	if (__ip_vs_protocol_init(net) < 0)
+		goto protocol_fail;
+
+	if (__ip_vs_app_init(net) < 0)
+		goto app_fail;
+
+	if (__ip_vs_conn_init(net) < 0)
+		goto conn_fail;
+
+	if (__ip_vs_sync_init(net) < 0)
+		goto sync_fail;
+
 	printk(KERN_INFO "IPVS: Creating netns size=%zu id=%d\n",
 			 sizeof(struct netns_ipvs), ipvs->gen);
 	return 0;
+/*
+ * Error handling
+ */
+
+sync_fail:
+	__ip_vs_conn_cleanup(net);
+conn_fail:
+	__ip_vs_app_cleanup(net);
+app_fail:
+	__ip_vs_protocol_cleanup(net);
+protocol_fail:
+	__ip_vs_control_cleanup(net);
+control_fail:
+	__ip_vs_estimator_cleanup(net);
+estimator_fail:
+	return -ENOMEM;
 }
 
 static void __net_exit __ip_vs_cleanup(struct net *net)
 {
-	IP_VS_DBG(10, "ipvs netns %d released\n", net_ipvs(net)->gen);
+	__ip_vs_service_cleanup(net);	/* ip_vs_flush() with locks */
+	__ip_vs_conn_cleanup(net);
+	__ip_vs_app_cleanup(net);
+	__ip_vs_protocol_cleanup(net);
+	__ip_vs_control_cleanup(net);
+	__ip_vs_estimator_cleanup(net);
+	IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen);
+}
+
+static void __net_exit __ip_vs_dev_cleanup(struct net *net)
+{
+	EnterFunction(2);
+	net_ipvs(net)->enable = 0;	/* Disable packet reception */
+	__ip_vs_sync_cleanup(net);
+	LeaveFunction(2);
 }
 
 static struct pernet_operations ipvs_core_ops = {
···
 	.size = sizeof(struct netns_ipvs),
 };
 
+static struct pernet_operations ipvs_core_dev_ops = {
+	.exit = __ip_vs_dev_cleanup,
+};
+
 /*
  *	Initialize IP Virtual Server
  */
 static int __init ip_vs_init(void)
 {
 	int ret;
-
-	ret = register_pernet_subsys(&ipvs_core_ops);	/* Alloc ip_vs struct */
-	if (ret < 0)
-		return ret;
 
 	ip_vs_estimator_init();
 	ret = ip_vs_control_init();
···
 		goto cleanup_conn;
 	}
 
+	ret = register_pernet_subsys(&ipvs_core_ops);	/* Alloc ip_vs struct */
+	if (ret < 0)
+		goto cleanup_sync;
+
+	ret = register_pernet_device(&ipvs_core_dev_ops);
+	if (ret < 0)
+		goto cleanup_sub;
+
 	ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
 	if (ret < 0) {
 		pr_err("can't register hooks.\n");
-		goto cleanup_sync;
+		goto cleanup_dev;
 	}
 
 	pr_info("ipvs loaded.\n");
+
 	return ret;
 
+cleanup_dev:
+	unregister_pernet_device(&ipvs_core_dev_ops);
+cleanup_sub:
+	unregister_pernet_subsys(&ipvs_core_ops);
 cleanup_sync:
 	ip_vs_sync_cleanup();
   cleanup_conn:
···
 	ip_vs_control_cleanup();
   cleanup_estimator:
 	ip_vs_estimator_cleanup();
-	unregister_pernet_subsys(&ipvs_core_ops);	/* free ip_vs struct */
 	return ret;
 }
 
 static void __exit ip_vs_cleanup(void)
 {
 	nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
+	unregister_pernet_device(&ipvs_core_dev_ops);
+	unregister_pernet_subsys(&ipvs_core_ops);	/* free ip_vs struct */
 	ip_vs_sync_cleanup();
 	ip_vs_conn_cleanup();
 	ip_vs_app_cleanup();
 	ip_vs_protocol_cleanup();
 	ip_vs_control_cleanup();
 	ip_vs_estimator_cleanup();
-	unregister_pernet_subsys(&ipvs_core_ops);	/* free ip_vs struct */
 	pr_info("ipvs unloaded.\n");
 }
 

net/netfilter/ipvs/ip_vs_ctl.c

···
 }
 #endif
 
+
+/*  Protos */
+static void __ip_vs_del_service(struct ip_vs_service *svc);
+
+
 #ifdef CONFIG_IP_VS_IPV6
 /* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */
 static int __ip_vs_addr_is_local_v6(struct net *net,
···
 	write_unlock_bh(&__ip_vs_svc_lock);
 
 	*svc_p = svc;
+	/* Now there is a service - full throttle */
+	ipvs->enable = 1;
 	return 0;
 
 
···
 	return 0;
 }
 
+/*
+ *	Delete service by {netns} in the service table.
+ *	Called by __ip_vs_cleanup()
+ */
+void __ip_vs_service_cleanup(struct net *net)
+{
+	EnterFunction(2);
+	/* Check for "full" addressed entries */
+	mutex_lock(&__ip_vs_mutex);
+	ip_vs_flush(net);
+	mutex_unlock(&__ip_vs_mutex);
+	LeaveFunction(2);
+}
+/*
+ * Release dst hold by dst_cache
+ */
+static inline void
+__ip_vs_dev_reset(struct ip_vs_dest *dest, struct net_device *dev)
+{
+	spin_lock_bh(&dest->dst_lock);
+	if (dest->dst_cache && dest->dst_cache->dev == dev) {
+		IP_VS_DBG_BUF(3, "Reset dev:%s dest %s:%u ,dest->refcnt=%d\n",
+			      dev->name,
+			      IP_VS_DBG_ADDR(dest->af, &dest->addr),
+			      ntohs(dest->port),
+			      atomic_read(&dest->refcnt));
+		ip_vs_dst_reset(dest);
+	}
+	spin_unlock_bh(&dest->dst_lock);
+
+}
+/*
+ * Netdev event receiver
+ * Currently only NETDEV_UNREGISTER is handled, i.e. if we hold a reference to
+ * a device that is "unregister" it must be released.
+ */
+static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
+			    void *ptr)
+{
+	struct net_device *dev = ptr;
+	struct net *net = dev_net(dev);
+	struct ip_vs_service *svc;
+	struct ip_vs_dest *dest;
+	unsigned int idx;
+
+	if (event != NETDEV_UNREGISTER)
+		return NOTIFY_DONE;
+	IP_VS_DBG(3, "%s() dev=%s\n", __func__, dev->name);
+	EnterFunction(2);
+	mutex_lock(&__ip_vs_mutex);
+	for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
+		list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
+			if (net_eq(svc->net, net)) {
+				list_for_each_entry(dest, &svc->destinations,
+						    n_list) {
+					__ip_vs_dev_reset(dest, dev);
+				}
+			}
+		}
+
+		list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
+			if (net_eq(svc->net, net)) {
+				list_for_each_entry(dest, &svc->destinations,
+						    n_list) {
+					__ip_vs_dev_reset(dest, dev);
+				}
+			}
+
+		}
+	}
+
+	list_for_each_entry(dest, &net_ipvs(net)->dest_trash, n_list) {
+		__ip_vs_dev_reset(dest, dev);
+	}
+	mutex_unlock(&__ip_vs_mutex);
+	LeaveFunction(2);
+	return NOTIFY_DONE;
+}
 
 /*
  *	Zero counters in a service or all services
···
 
 #endif
 
+static struct notifier_block ip_vs_dst_notifier = {
+	.notifier_call = ip_vs_dst_event,
+};
+
 int __net_init __ip_vs_control_init(struct net *net)
 {
 	int idx;
···
 	return -ENOMEM;
 }
 
-static void __net_exit __ip_vs_control_cleanup(struct net *net)
+void __net_exit __ip_vs_control_cleanup(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
···
 	proc_net_remove(net, "ip_vs");
 	free_percpu(ipvs->tot_stats.cpustats);
 }
-
-static struct pernet_operations ipvs_control_ops = {
-	.init = __ip_vs_control_init,
-	.exit = __ip_vs_control_cleanup,
-};
 
 int __init ip_vs_control_init(void)
 {
···
 		INIT_LIST_HEAD(&ip_vs_svc_fwm_table[idx]);
 	}
 
-	ret = register_pernet_subsys(&ipvs_control_ops);
-	if (ret) {
-		pr_err("cannot register namespace.\n");
-		goto err;
-	}
-
 	smp_wmb();	/* Do we really need it now ? */
 
 	ret = nf_register_sockopt(&ip_vs_sockopts);
 	if (ret) {
 		pr_err("cannot register sockopt.\n");
-		goto err_net;
+		goto err_sock;
 	}
 
 	ret = ip_vs_genl_register();
 	if (ret) {
 		pr_err("cannot register Generic Netlink interface.\n");
-		nf_unregister_sockopt(&ip_vs_sockopts);
-		goto err_net;
+		goto err_genl;
 	}
+
+	ret = register_netdevice_notifier(&ip_vs_dst_notifier);
+	if (ret < 0)
+		goto err_notf;
 
 	LeaveFunction(2);
 	return 0;
 
-err_net:
-	unregister_pernet_subsys(&ipvs_control_ops);
-err:
+err_notf:
+	ip_vs_genl_unregister();
+err_genl:
+	nf_unregister_sockopt(&ip_vs_sockopts);
+err_sock:
 	return ret;
 }
 
···
 void ip_vs_control_cleanup(void)
 {
 	EnterFunction(2);
-	unregister_pernet_subsys(&ipvs_control_ops);
 	ip_vs_genl_unregister();
 	nf_unregister_sockopt(&ip_vs_sockopts);
 	LeaveFunction(2);

net/netfilter/ipvs/ip_vs_est.c

···
 	dst->outbps = (e->outbps + 0xF) >> 5;
 }
 
-static int __net_init __ip_vs_estimator_init(struct net *net)
+int __net_init __ip_vs_estimator_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
···
 	return 0;
 }
 
-static void __net_exit __ip_vs_estimator_exit(struct net *net)
+void __net_exit __ip_vs_estimator_cleanup(struct net *net)
 {
 	del_timer_sync(&net_ipvs(net)->est_timer);
 }
-static struct pernet_operations ip_vs_app_ops = {
-	.init = __ip_vs_estimator_init,
-	.exit = __ip_vs_estimator_exit,
-};
 
 int __init ip_vs_estimator_init(void)
 {
-	int rv;
-
-	rv = register_pernet_subsys(&ip_vs_app_ops);
-	return rv;
+	return 0;
 }
 
 void ip_vs_estimator_cleanup(void)
 {
-	unregister_pernet_subsys(&ip_vs_app_ops);
 }

net/netfilter/ipvs/ip_vs_proto.c

···
 /*
  * per network name-space init
  */
-static int __net_init __ip_vs_protocol_init(struct net *net)
+int __net_init __ip_vs_protocol_init(struct net *net)
 {
 #ifdef CONFIG_IP_VS_PROTO_TCP
 	register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
···
 	return 0;
 }
 
-static void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+void __net_exit __ip_vs_protocol_cleanup(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_proto_data *pd;
···
 			unregister_ip_vs_proto_netns(net, pd);
 	}
 }
-
-static struct pernet_operations ipvs_proto_ops = {
-	.init = __ip_vs_protocol_init,
-	.exit = __ip_vs_protocol_cleanup,
-};
 
 int __init ip_vs_protocol_init(void)
 {
···
 	REGISTER_PROTOCOL(&ip_vs_protocol_esp);
 #endif
 	pr_info("Registered protocols (%s)\n", &protocols[2]);
-	return register_pernet_subsys(&ipvs_proto_ops);
 
 	return 0;
 }
···
 	struct ip_vs_protocol *pp;
 	int i;
 
-	unregister_pernet_subsys(&ipvs_proto_ops);
 	/* unregister all the ipvs protocols */
 	for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
 		while ((pp = ip_vs_proto_table[i]) != NULL)

net/netfilter/ipvs/ip_vs_sync.c

···
 	struct socket *sock;
 	int result;
 
-	/* First create a socket */
-	result = __sock_create(net, PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock, 1);
+	/* First create a socket move it to right name space later */
+	result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock);
 	if (result < 0) {
 		pr_err("Error during creation of socket; terminating\n");
 		return ERR_PTR(result);
 	}
-
+	/*
+	 * Kernel sockets that are a part of a namespace, should not
+	 * hold a reference to a namespace in order to allow to stop it.
+	 * After sk_change_net should be released using sk_release_kernel.
+	 */
+	sk_change_net(sock->sk, net);
 	result = set_mcast_if(sock->sk, ipvs->master_mcast_ifn);
 	if (result < 0) {
 		pr_err("Error setting outbound mcast interface\n");
···
 
 	return sock;
 
-  error:
-	sock_release(sock);
+error:
+	sk_release_kernel(sock->sk);
 	return ERR_PTR(result);
 }
 
···
 	int result;
 
 	/* First create a socket */
-	result = __sock_create(net, PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock, 1);
+	result = sock_create_kern(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock);
 	if (result < 0) {
 		pr_err("Error during creation of socket; terminating\n");
 		return ERR_PTR(result);
 	}
-
+	/*
+	 * Kernel sockets that are a part of a namespace, should not
+	 * hold a reference to a namespace in order to allow to stop it.
+	 * After sk_change_net should be released using sk_release_kernel.
+	 */
+	sk_change_net(sock->sk, net);
 	/* it is equivalent to the REUSEADDR option in user-space */
 	sock->sk->sk_reuse = 1;
 
···
 
 	return sock;
 
-  error:
-	sock_release(sock);
+error:
+	sk_release_kernel(sock->sk);
 	return ERR_PTR(result);
 }
 
···
 		ip_vs_sync_buff_release(sb);
 
 	/* release the sending multicast socket */
-	sock_release(tinfo->sock);
+	sk_release_kernel(tinfo->sock->sk);
 	kfree(tinfo);
 
 	return 0;
···
 	}
 
 	/* release the sending multicast socket */
-	sock_release(tinfo->sock);
+	sk_release_kernel(tinfo->sock->sk);
 	kfree(tinfo->buf);
 	kfree(tinfo);
 
···
 outbuf:
 	kfree(buf);
 outsocket:
-	sock_release(sock);
+	sk_release_kernel(sock->sk);
 out:
 	return result;
 }
···
 int stop_sync_thread(struct net *net, int state)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
+	int retc = -EINVAL;
 
 	IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
 
···
 		spin_lock_bh(&ipvs->sync_lock);
 		ipvs->sync_state &= ~IP_VS_STATE_MASTER;
 		spin_unlock_bh(&ipvs->sync_lock);
-		kthread_stop(ipvs->master_thread);
+		retc = kthread_stop(ipvs->master_thread);
 		ipvs->master_thread = NULL;
 	} else if (state == IP_VS_STATE_BACKUP) {
 		if (!ipvs->backup_thread)
···
 			task_pid_nr(ipvs->backup_thread));
 
 		ipvs->sync_state &= ~IP_VS_STATE_BACKUP;
-		kthread_stop(ipvs->backup_thread);
+		retc = kthread_stop(ipvs->backup_thread);
 		ipvs->backup_thread = NULL;
-	} else {
-		return -EINVAL;
 	}
 
 	/* decrease the module use count */
 	ip_vs_use_count_dec();
 
-	return 0;
+	return retc;
 }
 
 /*
  * Initialize data struct for each netns
  */
-static int __net_init __ip_vs_sync_init(struct net *net)
+int __net_init __ip_vs_sync_init(struct net *net)
 {
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
···
 	return 0;
 }
 
-static void __ip_vs_sync_cleanup(struct net *net)
+void __ip_vs_sync_cleanup(struct net *net)
 {
-	stop_sync_thread(net, IP_VS_STATE_MASTER);
-	stop_sync_thread(net, IP_VS_STATE_BACKUP);
+	int retc;
+
+	retc = stop_sync_thread(net, IP_VS_STATE_MASTER);
+	if (retc && retc != -ESRCH)
+		pr_err("Failed to stop Master Daemon\n");
+
+	retc = stop_sync_thread(net, IP_VS_STATE_BACKUP);
+	if (retc && retc != -ESRCH)
+		pr_err("Failed to stop Backup Daemon\n");
 }
-
-static struct pernet_operations ipvs_sync_ops = {
-	.init = __ip_vs_sync_init,
-	.exit = __ip_vs_sync_cleanup,
-};
-
 
 int __init ip_vs_sync_init(void)
 {
-	return register_pernet_subsys(&ipvs_sync_ops);
+	return 0;
 }
 
 void ip_vs_sync_cleanup(void)
 {
-	unregister_pernet_subsys(&ipvs_sync_ops);
 }

net/netfilter/nf_conntrack_netlink.c

···
 	struct nf_conn *ct;
 	int err = -EINVAL;
 	struct nf_conntrack_helper *helper;
+	struct nf_conn_tstamp *tstamp;
 
 	ct = nf_conntrack_alloc(net, zone, otuple, rtuple, GFP_ATOMIC);
 	if (IS_ERR(ct))
···
 		__set_bit(IPS_EXPECTED_BIT, &ct->status);
 		ct->master = master_ct;
 	}
+	tstamp = nf_conn_tstamp_find(ct);
+	if (tstamp)
+		tstamp->start = ktime_to_ns(ktime_get_real());
 
 	add_timer(&ct->timeout);
 	nf_conntrack_hash_insert(ct);

net/netfilter/x_tables.c

···
 		vfree(xt[af].compat_tab);
 		xt[af].compat_tab = NULL;
 		xt[af].number = 0;
+		xt[af].cur = 0;
 	}
 }
 EXPORT_SYMBOL_GPL(xt_compat_flush_offsets);
···
 		else
 			return mid ? tmp[mid - 1].delta : 0;
 	}
-	WARN_ON_ONCE(1);
-	return 0;
+	return left ? tmp[left - 1].delta : 0;
 }
 EXPORT_SYMBOL_GPL(xt_compat_calc_jump);
 

net/netfilter/xt_DSCP.c

···
 	u_int8_t orig, nv;
 
 	orig = ipv6_get_dsfield(iph);
-	nv   = (orig & info->tos_mask) ^ info->tos_value;
+	nv   = (orig & ~info->tos_mask) ^ info->tos_value;
 
 	if (orig != nv) {
 		if (!skb_make_writable(skb, sizeof(struct iphdr)))

net/netfilter/xt_conntrack.c

···
 {
 	int ret;
 
-	if (strcmp(par->table, "raw") == 0) {
-		pr_info("state is undetermined at the time of raw table\n");
-		return -EINVAL;
-	}
-
 	ret = nf_ct_l3proto_try_module_get(par->family);
 	if (ret < 0)
 		pr_info("cannot load conntrack support for proto=%u\n",

net/xfrm/xfrm_policy.c

···
 	struct net *net = xp_net(policy);
 	unsigned long now = jiffies;
 	struct net_device *dev;
+	struct xfrm_mode *inner_mode;
 	struct dst_entry *dst_prev = NULL;
 	struct dst_entry *dst0 = NULL;
 	int i = 0;
···
 			goto put_states;
 		}
 
+		if (xfrm[i]->sel.family == AF_UNSPEC) {
+			inner_mode = xfrm_ip2inner_mode(xfrm[i],
+							xfrm_af2proto(family));
+			if (!inner_mode) {
+				err = -EAFNOSUPPORT;
+				dst_release(dst);
+				goto put_states;
+			}
+		} else
+			inner_mode = xfrm[i]->inner_mode;
+
 		if (!dst_prev)
 			dst0 = dst1;
 		else {
···
 		dst1->lastuse = now;
 
 		dst1->input = dst_discard;
-		dst1->output = xfrm[i]->outer_mode->afinfo->output;
+		dst1->output = inner_mode->afinfo->output;
 
 		dst1->next = dst_prev;
 		dst_prev = dst1;

net/xfrm/xfrm_replay.c

···
 		    replay_esn->bmp_len * sizeof(__u32) * 8)
 			return -EINVAL;
 
+	if ((x->props.flags & XFRM_STATE_ESN) && replay_esn->replay_window == 0)
+		return -EINVAL;
+
 	if ((x->props.flags & XFRM_STATE_ESN) && x->replay_esn)
 		x->repl = &xfrm_replay_esn;
 	else