Merge branch 'linus' into x86/header-guards

Conflicts:

	include/asm-x86/gpio.h
	include/asm-x86/ide.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>

39 files changed, 738 insertions, 765 deletions

diff --git a/net/802/psnap.c b/net/802/psnap.c
index ea464393144..b3cfe5a14fc 100644
--- a/net/802/psnap.c
+++ b/net/802/psnap.c
@@ -31,11 +31,9 @@ static struct llc_sap *snap_sap;
  */
 static struct datalink_proto *find_snap_client(unsigned char *desc)
 {
-	struct list_head *entry;
 	struct datalink_proto *proto = NULL, *p;
 
-	list_for_each_rcu(entry, &snap_list) {
-		p = list_entry(entry, struct datalink_proto, node);
+	list_for_each_entry_rcu(p, &snap_list, node) {
 		if (!memcmp(p->type, desc, 5)) {
 			proto = p;
 			break;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index f42bc2b26b8..4bf014e51f8 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -569,6 +569,7 @@ static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
  * separate class since they always nest.
  */
 static struct lock_class_key vlan_netdev_xmit_lock_key;
+static struct lock_class_key vlan_netdev_addr_lock_key;
 
 static void vlan_dev_set_lockdep_one(struct net_device *dev,
 				     struct netdev_queue *txq,
@@ -581,6 +582,9 @@ static void vlan_dev_set_lockdep_one(struct net_device *dev,
 
 static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
 {
+	lockdep_set_class_and_subclass(&dev->addr_list_lock,
+				       &vlan_netdev_addr_lock_key,
+				       subclass);
 	netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
 }
 
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 4507f744f44..cdf137af7ad 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -1285,7 +1285,7 @@ static int p9_socket_open(struct p9_trans *trans, struct socket *csocket)
 	int fd, ret;
 
 	csocket->sk->sk_allocation = GFP_NOIO;
-	fd = sock_map_fd(csocket);
+	fd = sock_map_fd(csocket, 0);
 	if (fd < 0) {
 		P9_EPRINTK(KERN_ERR, "p9_socket_open: failed to map fd\n");
 		return fd;
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 844ca5f1b2d..c85bf8f678d 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -398,10 +398,6 @@ int hci_register_sysfs(struct hci_dev *hdev)
 		if (device_create_file(dev, bt_attrs[i]) < 0)
 			BT_ERR("Failed to create device attribute");
 
-	if (sysfs_create_link(&bt_class->subsys.kobj,
-				&dev->kobj, kobject_name(&dev->kobj)) < 0)
-		BT_ERR("Failed to create class symlink");
-
 	return 0;
 }
 
@@ -409,9 +405,6 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
 {
 	BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
 
-	sysfs_remove_link(&bt_class->subsys.kobj,
-					kobject_name(&hdev->dev.kobj));
-
 	device_del(&hdev->dev);
 }
 
diff --git a/net/compat.c b/net/compat.c
index 6e1b03b5193..67fb6a3834a 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -722,9 +722,10 @@ EXPORT_SYMBOL(compat_mc_getsockopt);
 
 /* Argument list sizes for compat_sys_socketcall */
 #define AL(x) ((x) * sizeof(u32))
-static unsigned char nas[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
+static unsigned char nas[19]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
 				AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
-				AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)};
+				AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
+				AL(6)};
 #undef AL
 
 asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
@@ -737,13 +738,52 @@ asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, uns
 	return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
 }
 
+asmlinkage long compat_sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
+				   int __user *upeer_addrlen,
+				   const compat_sigset_t __user *sigmask,
+				   compat_size_t sigsetsize, int flags)
+{
+	compat_sigset_t ss32;
+	sigset_t ksigmask, sigsaved;
+	int ret;
+
+	if (sigmask) {
+		if (sigsetsize != sizeof(compat_sigset_t))
+			return -EINVAL;
+		if (copy_from_user(&ss32, sigmask, sizeof(ss32)))
+			return -EFAULT;
+		sigset_from_compat(&ksigmask, &ss32);
+
+		sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP));
+		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
+	}
+
+	ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
+
+	if (ret == -ERESTARTNOHAND) {
+		/*
+		 * Don't restore the signal mask yet. Let do_signal() deliver
+		 * the signal on the way back to userspace, before the signal
+		 * mask is restored.
+		 */
+		if (sigmask) {
+			memcpy(&current->saved_sigmask, &sigsaved,
+			       sizeof(sigsaved));
+			set_restore_sigmask();
+		}
+	} else if (sigmask)
+		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
+
+	return ret;
+}
+
 asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
 {
 	int ret;
 	u32 a[6];
 	u32 a0, a1;
 
-	if (call < SYS_SOCKET || call > SYS_RECVMSG)
+	if (call < SYS_SOCKET || call > SYS_PACCEPT)
 		return -EINVAL;
 	if (copy_from_user(a, args, nas[call]))
 		return -EFAULT;
@@ -764,7 +804,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
 		ret = sys_listen(a0, a1);
 		break;
 	case SYS_ACCEPT:
-		ret = sys_accept(a0, compat_ptr(a1), compat_ptr(a[2]));
+		ret = do_accept(a0, compat_ptr(a1), compat_ptr(a[2]), 0);
 		break;
 	case SYS_GETSOCKNAME:
 		ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2]));
@@ -804,6 +844,10 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
 	case SYS_RECVMSG:
 		ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]);
 		break;
+	case SYS_PACCEPT:
+		ret = compat_sys_paccept(a0, compat_ptr(a1), compat_ptr(a[2]),
+					 compat_ptr(a[3]), a[4], a[5]);
+		break;
 	default:
 		ret = -EINVAL;
 		break;
diff --git a/net/core/dev.c b/net/core/dev.c
index cbc34c0db37..53af7841018 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -261,7 +261,7 @@ static RAW_NOTIFIER_HEAD(netdev_chain);
 
 DEFINE_PER_CPU(struct softnet_data, softnet_data);
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
+#ifdef CONFIG_LOCKDEP
 /*
  * register_netdevice() inits txq->_xmit_lock and sets lockdep class
  * according to dev->type
@@ -301,6 +301,7 @@ static const char *netdev_lock_name[] =
 	 "_xmit_NONE"};
 
 static struct lock_class_key netdev_xmit_lock_key[ARRAY_SIZE(netdev_lock_type)];
+static struct lock_class_key netdev_addr_lock_key[ARRAY_SIZE(netdev_lock_type)];
 
 static inline unsigned short netdev_lock_pos(unsigned short dev_type)
 {
@@ -313,8 +314,8 @@ static inline unsigned short netdev_lock_pos(unsigned short dev_type)
 	return ARRAY_SIZE(netdev_lock_type) - 1;
 }
 
-static inline void netdev_set_lockdep_class(spinlock_t *lock,
-					    unsigned short dev_type)
+static inline void netdev_set_xmit_lockdep_class(spinlock_t *lock,
+						 unsigned short dev_type)
 {
 	int i;
 
@@ -322,9 +323,22 @@ static inline void netdev_set_lockdep_class(spinlock_t *lock,
 	lockdep_set_class_and_name(lock, &netdev_xmit_lock_key[i],
 				   netdev_lock_name[i]);
 }
+
+static inline void netdev_set_addr_lockdep_class(struct net_device *dev)
+{
+	int i;
+
+	i = netdev_lock_pos(dev->type);
+	lockdep_set_class_and_name(&dev->addr_list_lock,
+				   &netdev_addr_lock_key[i],
+				   netdev_lock_name[i]);
+}
 #else
-static inline void netdev_set_lockdep_class(spinlock_t *lock,
-					    unsigned short dev_type)
+static inline void netdev_set_xmit_lockdep_class(spinlock_t *lock,
+						 unsigned short dev_type)
+{
+}
+static inline void netdev_set_addr_lockdep_class(struct net_device *dev)
 {
 }
 #endif
@@ -1327,9 +1341,6 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
 
 void __netif_schedule(struct Qdisc *q)
 {
-	if (WARN_ON_ONCE(q == &noop_qdisc))
-		return;
-
 	if (!test_and_set_bit(__QDISC_STATE_SCHED, &q->state)) {
 		struct softnet_data *sd;
 		unsigned long flags;
@@ -1645,32 +1656,6 @@ out_kfree_skb:
 	return 0;
 }
 
-/**
- *	dev_queue_xmit - transmit a buffer
- *	@skb: buffer to transmit
- *
- *	Queue a buffer for transmission to a network device. The caller must
- *	have set the device and priority and built the buffer before calling
- *	this function. The function can be called from an interrupt.
- *
- *	A negative errno code is returned on a failure. A success does not
- *	guarantee the frame will be transmitted as it may be dropped due
- *	to congestion or traffic shaping.
- *
- * -----------------------------------------------------------------------------------
- *      I notice this method can also return errors from the queue disciplines,
- *      including NET_XMIT_DROP, which is a positive value.  So, errors can also
- *      be positive.
- *
- *      Regardless of the return value, the skb is consumed, so it is currently
- *      difficult to retry a send to this method.  (You can bump the ref count
- *      before sending to hold a reference for retry if you are careful.)
- *
- *      When calling this method, interrupts MUST be enabled.  This is because
- *      the BH enable code must have IRQs enabled so that it will not deadlock.
- *          --BLG
- */
-
 static u32 simple_tx_hashrnd;
 static int simple_tx_hashrnd_initialized = 0;
 
@@ -1738,6 +1723,31 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
 	return netdev_get_tx_queue(dev, queue_index);
 }
 
+/**
+ *	dev_queue_xmit - transmit a buffer
+ *	@skb: buffer to transmit
+ *
+ *	Queue a buffer for transmission to a network device. The caller must
+ *	have set the device and priority and built the buffer before calling
+ *	this function. The function can be called from an interrupt.
+ *
+ *	A negative errno code is returned on a failure. A success does not
+ *	guarantee the frame will be transmitted as it may be dropped due
+ *	to congestion or traffic shaping.
+ *
+ * -----------------------------------------------------------------------------------
+ *      I notice this method can also return errors from the queue disciplines,
+ *      including NET_XMIT_DROP, which is a positive value.  So, errors can also
+ *      be positive.
+ *
+ *      Regardless of the return value, the skb is consumed, so it is currently
+ *      difficult to retry a send to this method.  (You can bump the ref count
+ *      before sending to hold a reference for retry if you are careful.)
+ *
+ *      When calling this method, interrupts MUST be enabled.  This is because
+ *      the BH enable code must have IRQs enabled so that it will not deadlock.
+ *          --BLG
+ */
 int dev_queue_xmit(struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
@@ -2385,7 +2395,7 @@ out:
 	 */
 	if (!cpus_empty(net_dma.channel_mask)) {
 		int chan_idx;
-		for_each_cpu_mask(chan_idx, net_dma.channel_mask) {
+		for_each_cpu_mask_nr(chan_idx, net_dma.channel_mask) {
 			struct dma_chan *chan = net_dma.channels[chan_idx];
 			if (chan)
 				dma_async_memcpy_issue_pending(chan);
@@ -3852,7 +3862,7 @@ static void __netdev_init_queue_locks_one(struct net_device *dev,
 					  void *_unused)
 {
 	spin_lock_init(&dev_queue->_xmit_lock);
-	netdev_set_lockdep_class(&dev_queue->_xmit_lock, dev->type);
+	netdev_set_xmit_lockdep_class(&dev_queue->_xmit_lock, dev->type);
 	dev_queue->xmit_lock_owner = -1;
 }
 
@@ -3897,6 +3907,7 @@ int register_netdevice(struct net_device *dev)
 	net = dev_net(dev);
 
 	spin_lock_init(&dev->addr_list_lock);
+	netdev_set_addr_lockdep_class(dev);
 	netdev_init_queue_locks(dev);
 
 	dev->iflink = -1;
@@ -4207,7 +4218,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
 {
 	struct netdev_queue *tx;
 	struct net_device *dev;
-	int alloc_size;
+	size_t alloc_size;
 	void *p;
 
 	BUG_ON(strlen(name) >= sizeof(dev->name));
@@ -4227,7 +4238,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
 		return NULL;
 	}
 
-	tx = kzalloc(sizeof(struct netdev_queue) * queue_count, GFP_KERNEL);
+	tx = kcalloc(queue_count, sizeof(struct netdev_queue), GFP_KERNEL);
 	if (!tx) {
 		printk(KERN_ERR "alloc_netdev: Unable to allocate "
 		       "tx qdiscs.\n");
@@ -4519,7 +4530,7 @@ static void net_dma_rebalance(struct net_dma *net_dma)
 	i = 0;
 	cpu = first_cpu(cpu_online_map);
 
-	for_each_cpu_mask(chan_idx, net_dma->channel_mask) {
+	for_each_cpu_mask_nr(chan_idx, net_dma->channel_mask) {
 		chan = net_dma->channels[chan_idx];
 
 		n = ((num_online_cpus() / cpus_weight(net_dma->channel_mask))
@@ -4686,6 +4697,26 @@ err_name:
 	return -ENOMEM;
 }
 
+char *netdev_drivername(struct net_device *dev, char *buffer, int len)
+{
+	struct device_driver *driver;
+	struct device *parent;
+
+	if (len <= 0 || !buffer)
+		return buffer;
+	buffer[0] = 0;
+
+	parent = dev->dev.parent;
+
+	if (!parent)
+		return buffer;
+
+	driver = parent->driver;
+	if (driver && driver->name)
+		strlcpy(buffer, driver->name, len);
+	return buffer;
+}
+
 static void __net_exit netdev_exit(struct net *net)
 {
 	kfree(net->dev_name_head);
diff --git a/net/core/sock.c b/net/core/sock.c
index 10a64d57078..91f8bbc9352 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -180,7 +180,7 @@ static const char *af_family_clock_key_strings[AF_MAX+1] = {
   "clock-AF_ASH"   , "clock-AF_ECONET"   , "clock-AF_ATMSVC"   ,
   "clock-21"       , "clock-AF_SNA"      , "clock-AF_IRDA"     ,
   "clock-AF_PPPOX" , "clock-AF_WANPIPE"  , "clock-AF_LLC"      ,
-  "clock-27"       , "clock-28"          , "clock-29"          ,
+  "clock-27"       , "clock-28"          , "clock-AF_CAN"      ,
   "clock-AF_TIPC"  , "clock-AF_BLUETOOTH", "clock-AF_IUCV"     ,
   "clock-AF_RXRPC" , "clock-AF_MAX"
 };
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index a570e2af22c..f686467ff12 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -67,7 +67,7 @@ static struct ctl_table net_core_table[] = {
 	{
 		.ctl_name	= NET_CORE_MSG_COST,
 		.procname	= "message_cost",
-		.data		= &net_msg_cost,
+		.data		= &net_ratelimit_state.interval,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec_jiffies,
@@ -76,7 +76,7 @@ static struct ctl_table net_core_table[] = {
 	{
 		.ctl_name	= NET_CORE_MSG_BURST,
 		.procname	= "message_burst",
-		.data		= &net_msg_burst,
+		.data		= &net_ratelimit_state.burst,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
diff --git a/net/core/user_dma.c b/net/core/user_dma.c
index c77aff9c6eb..8c6b706963f 100644
--- a/net/core/user_dma.c
+++ b/net/core/user_dma.c
@@ -34,6 +34,7 @@
 #define NET_DMA_DEFAULT_COPYBREAK 4096
 
 int sysctl_tcp_dma_copybreak = NET_DMA_DEFAULT_COPYBREAK;
+EXPORT_SYMBOL(sysctl_tcp_dma_copybreak);
 
 /**
  *	dma_skb_copy_datagram_iovec - Copy a datagram to an iovec.
diff --git a/net/core/utils.c b/net/core/utils.c
index 8031eb59054..72e0ebe964a 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -31,17 +31,16 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 
-int net_msg_cost __read_mostly = 5*HZ;
-int net_msg_burst __read_mostly = 10;
 int net_msg_warn __read_mostly = 1;
 EXPORT_SYMBOL(net_msg_warn);
 
+DEFINE_RATELIMIT_STATE(net_ratelimit_state, 5 * HZ, 10);
 /*
  * All net warning printk()s should be guarded by this function.
  */
 int net_ratelimit(void)
 {
-	return __printk_ratelimit(net_msg_cost, net_msg_burst);
+	return __ratelimit(&net_ratelimit_state);
 }
 EXPORT_SYMBOL(net_ratelimit);
 
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 4670683b468..591ea23639c 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -356,10 +356,8 @@ config INET_ESP
 
 config INET_IPCOMP
 	tristate "IP: IPComp transformation"
-	select XFRM
 	select INET_XFRM_TUNNEL
-	select CRYPTO
-	select CRYPTO_DEFLATE
+	select XFRM_IPCOMP
 	---help---
 	  Support for IP Payload Compression Protocol (IPComp) (RFC3173),
 	  typically needed for IPsec.
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index dd919d84285..f440a9f5492 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -264,7 +264,6 @@ static inline int inet_netns_ok(struct net *net, int protocol)
 static int inet_create(struct net *net, struct socket *sock, int protocol)
 {
 	struct sock *sk;
-	struct list_head *p;
 	struct inet_protosw *answer;
 	struct inet_sock *inet;
 	struct proto *answer_prot;
@@ -281,13 +280,12 @@ static int inet_create(struct net *net, struct socket *sock, int protocol)
 	sock->state = SS_UNCONNECTED;
 
 	/* Look for the requested type/protocol pair. */
-	answer = NULL;
 lookup_protocol:
 	err = -ESOCKTNOSUPPORT;
 	rcu_read_lock();
-	list_for_each_rcu(p, &inetsw[sock->type]) {
-		answer = list_entry(p, struct inet_protosw, list);
+	list_for_each_entry_rcu(answer, &inetsw[sock->type], list) {
 
+		err = 0;
 		/* Check the non-wild match. */
 		if (protocol == answer->protocol) {
 			if (protocol != IPPROTO_IP)
@@ -302,10 +300,9 @@ lookup_protocol:
 				break;
 		}
 		err = -EPROTONOSUPPORT;
-		answer = NULL;
 	}
 
-	if (unlikely(answer == NULL)) {
+	if (unlikely(err)) {
 		if (try_loading_module < 2) {
 			rcu_read_unlock();
 			/*
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index a75807b971b..a42b64d040c 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -14,153 +14,14 @@
  *   - Adaptive compression.
  */
 #include <linux/module.h>
-#include <linux/crypto.h>
 #include <linux/err.h>
-#include <linux/pfkeyv2.h>
-#include <linux/percpu.h>
-#include <linux/smp.h>
-#include <linux/list.h>
-#include <linux/vmalloc.h>
 #include <linux/rtnetlink.h>
-#include <linux/mutex.h>
 #include <net/ip.h>
 #include <net/xfrm.h>
 #include <net/icmp.h>
 #include <net/ipcomp.h>
 #include <net/protocol.h>
-
-struct ipcomp_tfms {
-	struct list_head list;
-	struct crypto_comp **tfms;
-	int users;
-};
-
-static DEFINE_MUTEX(ipcomp_resource_mutex);
-static void **ipcomp_scratches;
-static int ipcomp_scratch_users;
-static LIST_HEAD(ipcomp_tfms_list);
-
-static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
-{
-	struct ipcomp_data *ipcd = x->data;
-	const int plen = skb->len;
-	int dlen = IPCOMP_SCRATCH_SIZE;
-	const u8 *start = skb->data;
-	const int cpu = get_cpu();
-	u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
-	struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
-	int err = crypto_comp_decompress(tfm, start, plen, scratch, &dlen);
-
-	if (err)
-		goto out;
-
-	if (dlen < (plen + sizeof(struct ip_comp_hdr))) {
-		err = -EINVAL;
-		goto out;
-	}
-
-	err = pskb_expand_head(skb, 0, dlen - plen, GFP_ATOMIC);
-	if (err)
-		goto out;
-
-	skb->truesize += dlen - plen;
-	__skb_put(skb, dlen - plen);
-	skb_copy_to_linear_data(skb, scratch, dlen);
-out:
-	put_cpu();
-	return err;
-}
-
-static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
-{
-	int nexthdr;
-	int err = -ENOMEM;
-	struct ip_comp_hdr *ipch;
-
-	if (skb_linearize_cow(skb))
-		goto out;
-
-	skb->ip_summed = CHECKSUM_NONE;
-
-	/* Remove ipcomp header and decompress original payload */
-	ipch = (void *)skb->data;
-	nexthdr = ipch->nexthdr;
-
-	skb->transport_header = skb->network_header + sizeof(*ipch);
-	__skb_pull(skb, sizeof(*ipch));
-	err = ipcomp_decompress(x, skb);
-	if (err)
-		goto out;
-
-	err = nexthdr;
-
-out:
-	return err;
-}
-
-static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
-{
-	struct ipcomp_data *ipcd = x->data;
-	const int plen = skb->len;
-	int dlen = IPCOMP_SCRATCH_SIZE;
-	u8 *start = skb->data;
-	const int cpu = get_cpu();
-	u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
-	struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
-	int err;
-
-	local_bh_disable();
-	err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
-	local_bh_enable();
-	if (err)
-		goto out;
-
-	if ((dlen + sizeof(struct ip_comp_hdr)) >= plen) {
-		err = -EMSGSIZE;
-		goto out;
-	}
-
-	memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen);
-	put_cpu();
-
-	pskb_trim(skb, dlen + sizeof(struct ip_comp_hdr));
-	return 0;
-
-out:
-	put_cpu();
-	return err;
-}
-
-static int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb)
-{
-	int err;
-	struct ip_comp_hdr *ipch;
-	struct ipcomp_data *ipcd = x->data;
-
-	if (skb->len < ipcd->threshold) {
-		/* Don't bother compressing */
-		goto out_ok;
-	}
-
-	if (skb_linearize_cow(skb))
-		goto out_ok;
-
-	err = ipcomp_compress(x, skb);
-
-	if (err) {
-		goto out_ok;
-	}
-
-	/* Install ipcomp header, convert into ipcomp datagram. */
-	ipch = ip_comp_hdr(skb);
-	ipch->nexthdr = *skb_mac_header(skb);
-	ipch->flags = 0;
-	ipch->cpi = htons((u16 )ntohl(x->id.spi));
-	*skb_mac_header(skb) = IPPROTO_COMP;
-out_ok:
-	skb_push(skb, -skb_network_offset(skb));
-	return 0;
-}
+#include <net/sock.h>
 
 static void ipcomp4_err(struct sk_buff *skb, u32 info)
 {
@@ -241,156 +102,12 @@ out:
 	return err;
 }
 
-static void ipcomp_free_scratches(void)
-{
-	int i;
-	void **scratches;
-
-	if (--ipcomp_scratch_users)
-		return;
-
-	scratches = ipcomp_scratches;
-	if (!scratches)
-		return;
-
-	for_each_possible_cpu(i)
-		vfree(*per_cpu_ptr(scratches, i));
-
-	free_percpu(scratches);
-}
-
-static void **ipcomp_alloc_scratches(void)
-{
-	int i;
-	void **scratches;
-
-	if (ipcomp_scratch_users++)
-		return ipcomp_scratches;
-
-	scratches = alloc_percpu(void *);
-	if (!scratches)
-		return NULL;
-
-	ipcomp_scratches = scratches;
-
-	for_each_possible_cpu(i) {
-		void *scratch = vmalloc(IPCOMP_SCRATCH_SIZE);
-		if (!scratch)
-			return NULL;
-		*per_cpu_ptr(scratches, i) = scratch;
-	}
-
-	return scratches;
-}
-
-static void ipcomp_free_tfms(struct crypto_comp **tfms)
-{
-	struct ipcomp_tfms *pos;
-	int cpu;
-
-	list_for_each_entry(pos, &ipcomp_tfms_list, list) {
-		if (pos->tfms == tfms)
-			break;
-	}
-
-	BUG_TRAP(pos);
-
-	if (--pos->users)
-		return;
-
-	list_del(&pos->list);
-	kfree(pos);
-
-	if (!tfms)
-		return;
-
-	for_each_possible_cpu(cpu) {
-		struct crypto_comp *tfm = *per_cpu_ptr(tfms, cpu);
-		crypto_free_comp(tfm);
-	}
-	free_percpu(tfms);
-}
-
-static struct crypto_comp **ipcomp_alloc_tfms(const char *alg_name)
-{
-	struct ipcomp_tfms *pos;
-	struct crypto_comp **tfms;
-	int cpu;
-
-	/* This can be any valid CPU ID so we don't need locking. */
-	cpu = raw_smp_processor_id();
-
-	list_for_each_entry(pos, &ipcomp_tfms_list, list) {
-		struct crypto_comp *tfm;
-
-		tfms = pos->tfms;
-		tfm = *per_cpu_ptr(tfms, cpu);
-
-		if (!strcmp(crypto_comp_name(tfm), alg_name)) {
-			pos->users++;
-			return tfms;
-		}
-	}
-
-	pos = kmalloc(sizeof(*pos), GFP_KERNEL);
-	if (!pos)
-		return NULL;
-
-	pos->users = 1;
-	INIT_LIST_HEAD(&pos->list);
-	list_add(&pos->list, &ipcomp_tfms_list);
-
-	pos->tfms = tfms = alloc_percpu(struct crypto_comp *);
-	if (!tfms)
-		goto error;
-
-	for_each_possible_cpu(cpu) {
-		struct crypto_comp *tfm = crypto_alloc_comp(alg_name, 0,
-							    CRYPTO_ALG_ASYNC);
-		if (IS_ERR(tfm))
-			goto error;
-		*per_cpu_ptr(tfms, cpu) = tfm;
-	}
-
-	return tfms;
-
-error:
-	ipcomp_free_tfms(tfms);
-	return NULL;
-}
-
-static void ipcomp_free_data(struct ipcomp_data *ipcd)
-{
-	if (ipcd->tfms)
-		ipcomp_free_tfms(ipcd->tfms);
-	ipcomp_free_scratches();
-}
-
-static void ipcomp_destroy(struct xfrm_state *x)
-{
-	struct ipcomp_data *ipcd = x->data;
-	if (!ipcd)
-		return;
-	xfrm_state_delete_tunnel(x);
-	mutex_lock(&ipcomp_resource_mutex);
-	ipcomp_free_data(ipcd);
-	mutex_unlock(&ipcomp_resource_mutex);
-	kfree(ipcd);
-}
-
-static int ipcomp_init_state(struct xfrm_state *x)
+static int ipcomp4_init_state(struct xfrm_state *x)
 {
 	int err;
 	struct ipcomp_data *ipcd;
 	struct xfrm_algo_desc *calg_desc;
 
-	err = -EINVAL;
-	if (!x->calg)
-		goto out;
-
-	if (x->encap)
-		goto out;
-
 	x->props.header_len = 0;
 	switch (x->props.mode) {
 	case XFRM_MODE_TRANSPORT:
@@ -402,40 +119,22 @@ static int ipcomp_init_state(struct xfrm_state *x)
 		goto out;
 	}
 
-	err = -ENOMEM;
-	ipcd = kzalloc(sizeof(*ipcd), GFP_KERNEL);
-	if (!ipcd)
+	err = ipcomp_init_state(x);
+	if (err)
 		goto out;
 
-	mutex_lock(&ipcomp_resource_mutex);
-	if (!ipcomp_alloc_scratches())
-		goto error;
-
-	ipcd->tfms = ipcomp_alloc_tfms(x->calg->alg_name);
-	if (!ipcd->tfms)
-		goto error;
-	mutex_unlock(&ipcomp_resource_mutex);
-
 	if (x->props.mode == XFRM_MODE_TUNNEL) {
 		err = ipcomp_tunnel_attach(x);
 		if (err)
 			goto error_tunnel;
 	}
 
-	calg_desc = xfrm_calg_get_byname(x->calg->alg_name, 0);
-	BUG_ON(!calg_desc);
-	ipcd->threshold = calg_desc->uinfo.comp.threshold;
-	x->data = ipcd;
 	err = 0;
 out:
 	return err;
 
 error_tunnel:
-	mutex_lock(&ipcomp_resource_mutex);
-error:
-	ipcomp_free_data(ipcd);
-	mutex_unlock(&ipcomp_resource_mutex);
-	kfree(ipcd);
+	ipcomp_destroy(x);
 	goto out;
 }
 
@@ -443,7 +142,7 @@ static const struct xfrm_type ipcomp_type = {
 	.description	= "IPCOMP4",
 	.owner		= THIS_MODULE,
 	.proto	     	= IPPROTO_COMP,
-	.init_state	= ipcomp_init_state,
+	.init_state	= ipcomp4_init_state,
 	.destructor	= ipcomp_destroy,
 	.input		= ipcomp_input,
 	.output		= ipcomp_output
@@ -481,7 +180,7 @@ module_init(ipcomp4_init);
 module_exit(ipcomp4_fini);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("IP Payload Compression Protocol (IPComp) - RFC3173");
+MODULE_DESCRIPTION("IP Payload Compression Protocol (IPComp/IPv4) - RFC3173");
 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
 
 MODULE_ALIAS_XFRM_TYPE(AF_INET, XFRM_PROTO_COMP);
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index f23e60c93ef..90eb7cb47e7 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -369,7 +369,7 @@ config IP_NF_SECURITY
 	tristate "Security table"
 	depends on IP_NF_IPTABLES
 	depends on SECURITY
-	default m if NETFILTER_ADVANCED=n
+	depends on NETFILTER_ADVANCED
 	help
 	  This option adds a `security' table to iptables, for use
 	  with Mandatory Access Control (MAC) policy.
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 1f5e6049883..75efd244f2a 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3292,6 +3292,7 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 	 * log. Something worked...
 	 */
 	sk->sk_err_soft = 0;
+	icsk->icsk_probes_out = 0;
 	tp->rcv_tstamp = tcp_time_stamp;
 	prior_packets = tp->packets_out;
 	if (!prior_packets)
@@ -3324,8 +3325,6 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
 	return 1;
 
 no_queue:
-	icsk->icsk_probes_out = 0;
-
 	/* If this ack opens up a zero window, clear backoff.  It was
 	 * being used to time the probes, and is probably far higher than
 	 * it needs to be for normal retransmission.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 1fa683c0ba9..a00532de2a8 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -472,7 +472,7 @@ static unsigned tcp_syn_options(struct sock *sk, struct sk_buff *skb,
 	}
 	if (likely(sysctl_tcp_sack)) {
 		opts->options |= OPTION_SACK_ADVERTISE;
-		if (unlikely(!OPTION_TS & opts->options))
+		if (unlikely(!(OPTION_TS & opts->options)))
 			size += TCPOLEN_SACKPERM_ALIGNED;
 	}
 
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index a751770947a..383d17359d0 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1325,6 +1325,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 			return -ENOPROTOOPT;
 		if (val != 0 && val < 8) /* Illegal coverage: use default (8) */
 			val = 8;
+		else if (val > USHORT_MAX)
+			val = USHORT_MAX;
 		up->pcslen = val;
 		up->pcflag |= UDPLITE_SEND_CC;
 		break;
@@ -1337,6 +1339,8 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 			return -ENOPROTOOPT;
 		if (val != 0 && val < 8) /* Avoid silly minimal values.       */
 			val = 8;
+		else if (val > USHORT_MAX)
+			val = USHORT_MAX;
 		up->pcrlen = val;
 		up->pcflag |= UDPLITE_RECV_CC;
 		break;
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 42814a2ec9d..ec992159b5f 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -96,10 +96,8 @@ config INET6_ESP
 
 config INET6_IPCOMP
 	tristate "IPv6: IPComp transformation"
-	select XFRM
 	select INET6_XFRM_TUNNEL
-	select CRYPTO
-	select CRYPTO_DEFLATE
+	select XFRM_IPCOMP
 	---help---
 	  Support for IP Payload Compression Protocol (IPComp) (RFC3173),
 	  typically needed for IPsec.
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9f4fcce6379..74d543d504a 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -153,7 +153,7 @@ static int ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr,
 
 static ATOMIC_NOTIFIER_HEAD(inet6addr_chain);
 
-struct ipv6_devconf ipv6_devconf __read_mostly = {
+static struct ipv6_devconf ipv6_devconf __read_mostly = {
 	.forwarding		= 0,
 	.hop_limit		= IPV6_DEFAULT_HOPLIMIT,
 	.mtu6			= IPV6_MIN_MTU,
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 3d828bc4b1c..60461ad7fa6 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -83,7 +83,6 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol)
 	struct inet_sock *inet;
 	struct ipv6_pinfo *np;
 	struct sock *sk;
-	struct list_head *p;
 	struct inet_protosw *answer;
 	struct proto *answer_prot;
 	unsigned char answer_flags;
@@ -97,13 +96,12 @@ static int inet6_create(struct net *net, struct socket *sock, int protocol)
 		build_ehash_secret();
 
 	/* Look for the requested type/protocol pair. */
-	answer = NULL;
 lookup_protocol:
 	err = -ESOCKTNOSUPPORT;
 	rcu_read_lock();
-	list_for_each_rcu(p, &inetsw6[sock->type]) {
-		answer = list_entry(p, struct inet_protosw, list);
+	list_for_each_entry_rcu(answer, &inetsw6[sock->type], list) {
 
+		err = 0;
 		/* Check the non-wild match. */
 		if (protocol == answer->protocol) {
 			if (protocol != IPPROTO_IP)
@@ -118,10 +116,9 @@ lookup_protocol:
 				break;
 		}
 		err = -EPROTONOSUPPORT;
-		answer = NULL;
 	}
 
-	if (!answer) {
+	if (err) {
 		if (try_loading_module < 2) {
 			rcu_read_unlock();
 			/*
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 4de2b9efcac..08ea2de28d6 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -661,17 +661,17 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 
 static __inline__ void fib6_start_gc(struct net *net, struct rt6_info *rt)
 {
-	if (net->ipv6.ip6_fib_timer->expires == 0 &&
+	if (!timer_pending(&net->ipv6.ip6_fib_timer) &&
 	    (rt->rt6i_flags & (RTF_EXPIRES|RTF_CACHE)))
-		mod_timer(net->ipv6.ip6_fib_timer, jiffies +
-			  net->ipv6.sysctl.ip6_rt_gc_interval);
+		mod_timer(&net->ipv6.ip6_fib_timer,
+			  jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
 }
 
 void fib6_force_start_gc(struct net *net)
 {
-	if (net->ipv6.ip6_fib_timer->expires == 0)
-		mod_timer(net->ipv6.ip6_fib_timer, jiffies +
-			  net->ipv6.sysctl.ip6_rt_gc_interval);
+	if (!timer_pending(&net->ipv6.ip6_fib_timer))
+		mod_timer(&net->ipv6.ip6_fib_timer,
+			  jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
 }
 
 /*
@@ -1447,27 +1447,23 @@ void fib6_run_gc(unsigned long expires, struct net *net)
 		gc_args.timeout = expires ? (int)expires :
 			net->ipv6.sysctl.ip6_rt_gc_interval;
 	} else {
-		local_bh_disable();
-		if (!spin_trylock(&fib6_gc_lock)) {
-			mod_timer(net->ipv6.ip6_fib_timer, jiffies + HZ);
-			local_bh_enable();
+		if (!spin_trylock_bh(&fib6_gc_lock)) {
+			mod_timer(&net->ipv6.ip6_fib_timer, jiffies + HZ);
 			return;
 		}
 		gc_args.timeout = net->ipv6.sysctl.ip6_rt_gc_interval;
 	}
-	gc_args.more = 0;
 
-	icmp6_dst_gc(&gc_args.more);
+	gc_args.more = icmp6_dst_gc();
 
 	fib6_clean_all(net, fib6_age, 0, NULL);
 
 	if (gc_args.more)
-		mod_timer(net->ipv6.ip6_fib_timer, jiffies +
-			  net->ipv6.sysctl.ip6_rt_gc_interval);
-	else {
-		del_timer(net->ipv6.ip6_fib_timer);
-		net->ipv6.ip6_fib_timer->expires = 0;
-	}
+		mod_timer(&net->ipv6.ip6_fib_timer,
+			  round_jiffies(jiffies
+					+ net->ipv6.sysctl.ip6_rt_gc_interval));
+	else
+		del_timer(&net->ipv6.ip6_fib_timer);
 	spin_unlock_bh(&fib6_gc_lock);
 }
 
@@ -1478,24 +1474,15 @@ static void fib6_gc_timer_cb(unsigned long arg)
 
 static int fib6_net_init(struct net *net)
 {
-	int ret;
-	struct timer_list *timer;
-
-	ret = -ENOMEM;
-	timer = kzalloc(sizeof(*timer), GFP_KERNEL);
-	if (!timer)
-		goto out;
-
-	setup_timer(timer, fib6_gc_timer_cb, (unsigned long)net);
-	net->ipv6.ip6_fib_timer = timer;
+	setup_timer(&net->ipv6.ip6_fib_timer, fib6_gc_timer_cb, (unsigned long)net);
 
 	net->ipv6.rt6_stats = kzalloc(sizeof(*net->ipv6.rt6_stats), GFP_KERNEL);
 	if (!net->ipv6.rt6_stats)
 		goto out_timer;
 
-	net->ipv6.fib_table_hash =
-		kzalloc(sizeof(*net->ipv6.fib_table_hash)*FIB_TABLE_HASHSZ,
-			GFP_KERNEL);
+	net->ipv6.fib_table_hash = kcalloc(FIB_TABLE_HASHSZ,
+					   sizeof(*net->ipv6.fib_table_hash),
+					   GFP_KERNEL);
 	if (!net->ipv6.fib_table_hash)
 		goto out_rt6_stats;
 
@@ -1521,9 +1508,7 @@ static int fib6_net_init(struct net *net)
 #endif
 	fib6_tables_init(net);
 
-	ret = 0;
-out:
-	return ret;
+	return 0;
 
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
 out_fib6_main_tbl:
@@ -1534,15 +1519,14 @@ out_fib_table_hash:
 out_rt6_stats:
 	kfree(net->ipv6.rt6_stats);
 out_timer:
-	kfree(timer);
-	goto out;
+	return -ENOMEM;
  }
 
 static void fib6_net_exit(struct net *net)
 {
 	rt6_ifdown(net, NULL);
-	del_timer_sync(net->ipv6.ip6_fib_timer);
-	kfree(net->ipv6.ip6_fib_timer);
+	del_timer_sync(&net->ipv6.ip6_fib_timer);
+
 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
 	kfree(net->ipv6.fib6_local_tbl);
 #endif
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index ee6de425ce6..0cfcea42153 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -50,125 +50,6 @@
 #include <linux/icmpv6.h>
 #include <linux/mutex.h>
 
-struct ipcomp6_tfms {
-	struct list_head list;
-	struct crypto_comp **tfms;
-	int users;
-};
-
-static DEFINE_MUTEX(ipcomp6_resource_mutex);
-static void **ipcomp6_scratches;
-static int ipcomp6_scratch_users;
-static LIST_HEAD(ipcomp6_tfms_list);
-
-static int ipcomp6_input(struct xfrm_state *x, struct sk_buff *skb)
-{
-	int nexthdr;
-	int err = -ENOMEM;
-	struct ip_comp_hdr *ipch;
-	int plen, dlen;
-	struct ipcomp_data *ipcd = x->data;
-	u8 *start, *scratch;
-	struct crypto_comp *tfm;
-	int cpu;
-
-	if (skb_linearize_cow(skb))
-		goto out;
-
-	skb->ip_summed = CHECKSUM_NONE;
-
-	/* Remove ipcomp header and decompress original payload */
-	ipch = (void *)skb->data;
-	nexthdr = ipch->nexthdr;
-
-	skb->transport_header = skb->network_header + sizeof(*ipch);
-	__skb_pull(skb, sizeof(*ipch));
-
-	/* decompression */
-	plen = skb->len;
-	dlen = IPCOMP_SCRATCH_SIZE;
-	start = skb->data;
-
-	cpu = get_cpu();
-	scratch = *per_cpu_ptr(ipcomp6_scratches, cpu);
-	tfm = *per_cpu_ptr(ipcd->tfms, cpu);
-
-	err = crypto_comp_decompress(tfm, start, plen, scratch, &dlen);
-	if (err)
-		goto out_put_cpu;
-
-	if (dlen < (plen + sizeof(*ipch))) {
-		err = -EINVAL;
-		goto out_put_cpu;
-	}
-
-	err = pskb_expand_head(skb, 0, dlen - plen, GFP_ATOMIC);
-	if (err) {
-		goto out_put_cpu;
-	}
-
-	skb->truesize += dlen - plen;
-	__skb_put(skb, dlen - plen);
-	skb_copy_to_linear_data(skb, scratch, dlen);
-	err = nexthdr;
-
-out_put_cpu:
-	put_cpu();
-out:
-	return err;
-}
-
-static int ipcomp6_output(struct xfrm_state *x, struct sk_buff *skb)
-{
-	int err;
-	struct ip_comp_hdr *ipch;
-	struct ipcomp_data *ipcd = x->data;
-	int plen, dlen;
-	u8 *start, *scratch;
-	struct crypto_comp *tfm;
-	int cpu;
-
-	/* check whether datagram len is larger than threshold */
-	if (skb->len < ipcd->threshold) {
-		goto out_ok;
-	}
-
-	if (skb_linearize_cow(skb))
-		goto out_ok;
-
-	/* compression */
-	plen = skb->len;
-	dlen = IPCOMP_SCRATCH_SIZE;
-	start = skb->data;
-
-	cpu = get_cpu();
-	scratch = *per_cpu_ptr(ipcomp6_scratches, cpu);
-	tfm = *per_cpu_ptr(ipcd->tfms, cpu);
-
-	local_bh_disable();
-	err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
-	local_bh_enable();
-	if (err || (dlen + sizeof(*ipch)) >= plen) {
-		put_cpu();
-		goto out_ok;
-	}
-	memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen);
-	put_cpu();
-	pskb_trim(skb, dlen + sizeof(struct ip_comp_hdr));
-
-	/* insert ipcomp header and replace datagram */
-	ipch = ip_comp_hdr(skb);
-	ipch->nexthdr = *skb_mac_header(skb);
-	ipch->flags = 0;
-	ipch->cpi = htons((u16 )ntohl(x->id.spi));
-	*skb_mac_header(skb) = IPPROTO_COMP;
-
-out_ok:
-	skb_push(skb, -skb_network_offset(skb));
-
-	return 0;
-}
-
 static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 				int type, int code, int offset, __be32 info)
 {
@@ -251,161 +132,12 @@ out:
 	return err;
 }
 
-static void ipcomp6_free_scratches(void)
-{
-	int i;
-	void **scratches;
-
-	if (--ipcomp6_scratch_users)
-		return;
-
-	scratches = ipcomp6_scratches;
-	if (!scratches)
-		return;
-
-	for_each_possible_cpu(i) {
-		void *scratch = *per_cpu_ptr(scratches, i);
-
-		vfree(scratch);
-	}
-
-	free_percpu(scratches);
-}
-
-static void **ipcomp6_alloc_scratches(void)
-{
-	int i;
-	void **scratches;
-
-	if (ipcomp6_scratch_users++)
-		return ipcomp6_scratches;
-
-	scratches = alloc_percpu(void *);
-	if (!scratches)
-		return NULL;
-
-	ipcomp6_scratches = scratches;
-
-	for_each_possible_cpu(i) {
-		void *scratch = vmalloc(IPCOMP_SCRATCH_SIZE);
-		if (!scratch)
-			return NULL;
-		*per_cpu_ptr(scratches, i) = scratch;
-	}
-
-	return scratches;
-}
-
-static void ipcomp6_free_tfms(struct crypto_comp **tfms)
-{
-	struct ipcomp6_tfms *pos;
-	int cpu;
-
-	list_for_each_entry(pos, &ipcomp6_tfms_list, list) {
-		if (pos->tfms == tfms)
-			break;
-	}
-
-	BUG_TRAP(pos);
-
-	if (--pos->users)
-		return;
-
-	list_del(&pos->list);
-	kfree(pos);
-
-	if (!tfms)
-		return;
-
-	for_each_possible_cpu(cpu) {
-		struct crypto_comp *tfm = *per_cpu_ptr(tfms, cpu);
-		crypto_free_comp(tfm);
-	}
-	free_percpu(tfms);
-}
-
-static struct crypto_comp **ipcomp6_alloc_tfms(const char *alg_name)
-{
-	struct ipcomp6_tfms *pos;
-	struct crypto_comp **tfms;
-	int cpu;
-
-	/* This can be any valid CPU ID so we don't need locking. */
-	cpu = raw_smp_processor_id();
-
-	list_for_each_entry(pos, &ipcomp6_tfms_list, list) {
-		struct crypto_comp *tfm;
-
-		tfms = pos->tfms;
-		tfm = *per_cpu_ptr(tfms, cpu);
-
-		if (!strcmp(crypto_comp_name(tfm), alg_name)) {
-			pos->users++;
-			return tfms;
-		}
-	}
-
-	pos = kmalloc(sizeof(*pos), GFP_KERNEL);
-	if (!pos)
-		return NULL;
-
-	pos->users = 1;
-	INIT_LIST_HEAD(&pos->list);
-	list_add(&pos->list, &ipcomp6_tfms_list);
-
-	pos->tfms = tfms = alloc_percpu(struct crypto_comp *);
-	if (!tfms)
-		goto error;
-
-	for_each_possible_cpu(cpu) {
-		struct crypto_comp *tfm = crypto_alloc_comp(alg_name, 0,
-							    CRYPTO_ALG_ASYNC);
-		if (IS_ERR(tfm))
-			goto error;
-		*per_cpu_ptr(tfms, cpu) = tfm;
-	}
-
-	return tfms;
-
-error:
-	ipcomp6_free_tfms(tfms);
-	return NULL;
-}
-
-static void ipcomp6_free_data(struct ipcomp_data *ipcd)
-{
-	if (ipcd->tfms)
-		ipcomp6_free_tfms(ipcd->tfms);
-	ipcomp6_free_scratches();
-}
-
-static void ipcomp6_destroy(struct xfrm_state *x)
-{
-	struct ipcomp_data *ipcd = x->data;
-	if (!ipcd)
-		return;
-	xfrm_state_delete_tunnel(x);
-	mutex_lock(&ipcomp6_resource_mutex);
-	ipcomp6_free_data(ipcd);
-	mutex_unlock(&ipcomp6_resource_mutex);
-	kfree(ipcd);
-
-	xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);
-}
-
 static int ipcomp6_init_state(struct xfrm_state *x)
 {
 	int err;
 	struct ipcomp_data *ipcd;
 	struct xfrm_algo_desc *calg_desc;
 
-	err = -EINVAL;
-	if (!x->calg)
-		goto out;
-
-	if (x->encap)
-		goto out;
-
 	x->props.header_len = 0;
 	switch (x->props.mode) {
 	case XFRM_MODE_TRANSPORT:
@@ -417,39 +149,21 @@ static int ipcomp6_init_state(struct xfrm_state *x)
 		goto out;
 	}
 
-	err = -ENOMEM;
-	ipcd = kzalloc(sizeof(*ipcd), GFP_KERNEL);
-	if (!ipcd)
+	err = ipcomp_init_state(x);
+	if (err)
 		goto out;
 
-	mutex_lock(&ipcomp6_resource_mutex);
-	if (!ipcomp6_alloc_scratches())
-		goto error;
-
-	ipcd->tfms = ipcomp6_alloc_tfms(x->calg->alg_name);
-	if (!ipcd->tfms)
-		goto error;
-	mutex_unlock(&ipcomp6_resource_mutex);
-
 	if (x->props.mode == XFRM_MODE_TUNNEL) {
 		err = ipcomp6_tunnel_attach(x);
 		if (err)
 			goto error_tunnel;
 	}
 
-	calg_desc = xfrm_calg_get_byname(x->calg->alg_name, 0);
-	BUG_ON(!calg_desc);
-	ipcd->threshold = calg_desc->uinfo.comp.threshold;
-	x->data = ipcd;
 	err = 0;
 out:
 	return err;
 error_tunnel:
-	mutex_lock(&ipcomp6_resource_mutex);
-error:
-	ipcomp6_free_data(ipcd);
-	mutex_unlock(&ipcomp6_resource_mutex);
-	kfree(ipcd);
+	ipcomp_destroy(x);
 
 	goto out;
 }
@@ -460,9 +174,9 @@ static const struct xfrm_type ipcomp6_type =
 	.owner		= THIS_MODULE,
 	.proto		= IPPROTO_COMP,
 	.init_state	= ipcomp6_init_state,
-	.destructor	= ipcomp6_destroy,
-	.input		= ipcomp6_input,
-	.output		= ipcomp6_output,
+	.destructor	= ipcomp_destroy,
+	.input		= ipcomp_input,
+	.output		= ipcomp_output,
 	.hdr_offset	= xfrm6_find_1stfragopt,
 };
 
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 689dec899c5..0cfcce7b18d 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -213,7 +213,7 @@ config IP6_NF_SECURITY
        tristate "Security table"
        depends on IP6_NF_IPTABLES
        depends on SECURITY
-       default m if NETFILTER_ADVANCED=n
+       depends on NETFILTER_ADVANCED
        help
          This option adds a `security' table to iptables, for use
          with Mandatory Access Control (MAC) policy.
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 615b328de25..86540b24b27 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -978,13 +978,12 @@ out:
 	return &rt->u.dst;
 }
 
-int icmp6_dst_gc(int *more)
+int icmp6_dst_gc(void)
 {
 	struct dst_entry *dst, *next, **pprev;
-	int freed;
+	int more = 0;
 
 	next = NULL;
-	freed = 0;
 
 	spin_lock_bh(&icmp6_dst_lock);
 	pprev = &icmp6_dst_gc_list;
@@ -993,16 +992,15 @@ int icmp6_dst_gc(int *more)
 		if (!atomic_read(&dst->__refcnt)) {
 			*pprev = dst->next;
 			dst_free(dst);
-			freed++;
 		} else {
 			pprev = &dst->next;
-			(*more)++;
+			++more;
 		}
 	}
 
 	spin_unlock_bh(&icmp6_dst_lock);
 
-	return freed;
+	return more;
 }
 
 static int ip6_dst_gc(struct dst_ops *ops)
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 265b1b289a3..705959b31e2 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -497,7 +497,7 @@ static void iucv_setmask_up(void)
 	/* Disable all cpu but the first in cpu_irq_cpumask. */
 	cpumask = iucv_irq_cpumask;
 	cpu_clear(first_cpu(iucv_irq_cpumask), cpumask);
-	for_each_cpu_mask(cpu, cpumask)
+	for_each_cpu_mask_nr(cpu, cpumask)
 		smp_call_function_single(cpu, iucv_block_cpu, NULL, 1);
 }
 
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index fccc250f95f..532e4faa29f 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -73,6 +73,7 @@ static const struct proto_ops nr_proto_ops;
  * separate class since they always nest.
  */
 static struct lock_class_key nr_netdev_xmit_lock_key;
+static struct lock_class_key nr_netdev_addr_lock_key;
 
 static void nr_set_lockdep_one(struct net_device *dev,
 			       struct netdev_queue *txq,
@@ -83,6 +84,7 @@ static void nr_set_lockdep_one(struct net_device *dev,
 
 static void nr_set_lockdep_key(struct net_device *dev)
 {
+	lockdep_set_class(&dev->addr_list_lock, &nr_netdev_addr_lock_key);
 	netdev_for_each_tx_queue(dev, nr_set_lockdep_one, NULL);
 }
 
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index dbc963b4f5f..a7f1ce11bc2 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -74,6 +74,7 @@ ax25_address rose_callsign;
  * separate class since they always nest.
  */
 static struct lock_class_key rose_netdev_xmit_lock_key;
+static struct lock_class_key rose_netdev_addr_lock_key;
 
 static void rose_set_lockdep_one(struct net_device *dev,
 				 struct netdev_queue *txq,
@@ -84,6 +85,7 @@ static void rose_set_lockdep_one(struct net_device *dev,
 
 static void rose_set_lockdep_key(struct net_device *dev)
 {
+	lockdep_set_class(&dev->addr_list_lock, &rose_netdev_addr_lock_key);
 	netdev_for_each_tx_queue(dev, rose_set_lockdep_one, NULL);
 }
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 5219d5f9d75..b0601642e22 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -447,7 +447,7 @@ void qdisc_watchdog_cancel(struct qdisc_watchdog *wd)
 }
 EXPORT_SYMBOL(qdisc_watchdog_cancel);
 
-struct hlist_head *qdisc_class_hash_alloc(unsigned int n)
+static struct hlist_head *qdisc_class_hash_alloc(unsigned int n)
 {
 	unsigned int size = n * sizeof(struct hlist_head), i;
 	struct hlist_head *h;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index cb625b4d6da..43abd4d27ea 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -212,9 +212,9 @@ static void dev_watchdog(unsigned long arg)
 			if (some_queue_stopped &&
 			    time_after(jiffies, (dev->trans_start +
 						 dev->watchdog_timeo))) {
-				printk(KERN_INFO "NETDEV WATCHDOG: %s: "
-				       "transmit timed out\n",
-				       dev->name);
+				char drivername[64];
+				printk(KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
+				       dev->name, netdev_drivername(dev, drivername, 64));
 				dev->tx_timeout(dev);
 				WARN_ON_ONCE(1);
 			}
@@ -736,9 +736,9 @@ static void shutdown_scheduler_queue(struct net_device *dev,
 		dev_queue->qdisc = qdisc_default;
 		dev_queue->qdisc_sleeping = qdisc_default;
 
-		spin_lock(root_lock);
+		spin_lock_bh(root_lock);
 		qdisc_destroy(qdisc);
-		spin_unlock(root_lock);
+		spin_unlock_bh(root_lock);
 	}
 }
 
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 8589da66656..73f53844ce9 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -536,7 +536,14 @@ static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb)
 
 	opt.limit = q->limit;
 	opt.divisor = SFQ_HASH_DIVISOR;
-	opt.flows = q->limit;
+	opt.flows = 0;
+	if (q->tail != SFQ_DEPTH) {
+		unsigned int i;
+
+		for (i = 0; i < SFQ_HASH_DIVISOR; i++)
+			if (q->ht[i] != SFQ_DEPTH)
+				opt.flows++;
+	}
 
 	NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
 
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 70ead8dc348..4328ad5439c 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -71,6 +71,8 @@ static void sctp_mark_missing(struct sctp_outq *q,
 
 static void sctp_generate_fwdtsn(struct sctp_outq *q, __u32 sack_ctsn);
 
+static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout);
+
 /* Add data to the front of the queue. */
 static inline void sctp_outq_head_data(struct sctp_outq *q,
 					struct sctp_chunk *ch)
@@ -712,7 +714,7 @@ int sctp_outq_uncork(struct sctp_outq *q)
  * locking concerns must be made.  Today we use the sock lock to protect
  * this function.
  */
-int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
+static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 {
 	struct sctp_packet *packet;
 	struct sctp_packet singleton;
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 5dd89831ece..f268910620b 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -519,8 +519,3 @@ int __init sctp_remaddr_proc_init(void)
 
 	return 0;
 }
-
-void sctp_assoc_proc_exit(void)
-{
-	remove_proc_entry("remaddr", proc_net_sctp);
-}
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 79bece16aed..dbb79adf8f3 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3910,7 +3910,7 @@ static int sctp_getsockopt_peeloff(struct sock *sk, int len, char __user *optval
 		goto out;
 
 	/* Map the socket to an unused fd that can be returned to the user.  */
-	retval = sock_map_fd(newsock);
+	retval = sock_map_fd(newsock, 0);
 	if (retval < 0) {
 		sock_release(newsock);
 		goto out;
diff --git a/net/socket.c b/net/socket.c
index 1ba57d88898..1310a82cbba 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -63,11 +63,13 @@
 #include <linux/file.h>
 #include <linux/net.h>
 #include <linux/interrupt.h>
+#include <linux/thread_info.h>
 #include <linux/rcupdate.h>
 #include <linux/netdevice.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/mutex.h>
+#include <linux/thread_info.h>
 #include <linux/wanrouter.h>
 #include <linux/if_bridge.h>
 #include <linux/if_frad.h>
@@ -349,11 +351,11 @@ static struct dentry_operations sockfs_dentry_operations = {
  *	but we take care of internal coherence yet.
  */
 
-static int sock_alloc_fd(struct file **filep)
+static int sock_alloc_fd(struct file **filep, int flags)
 {
 	int fd;
 
-	fd = get_unused_fd();
+	fd = get_unused_fd_flags(flags);
 	if (likely(fd >= 0)) {
 		struct file *file = get_empty_filp();
 
@@ -367,7 +369,7 @@ static int sock_alloc_fd(struct file **filep)
 	return fd;
 }
 
-static int sock_attach_fd(struct socket *sock, struct file *file)
+static int sock_attach_fd(struct socket *sock, struct file *file, int flags)
 {
 	struct dentry *dentry;
 	struct qstr name = { .name = "" };
@@ -389,20 +391,20 @@ static int sock_attach_fd(struct socket *sock, struct file *file)
 	init_file(file, sock_mnt, dentry, FMODE_READ | FMODE_WRITE,
 		  &socket_file_ops);
 	SOCK_INODE(sock)->i_fop = &socket_file_ops;
-	file->f_flags = O_RDWR;
+	file->f_flags = O_RDWR | (flags & O_NONBLOCK);
 	file->f_pos = 0;
 	file->private_data = sock;
 
 	return 0;
 }
 
-int sock_map_fd(struct socket *sock)
+int sock_map_fd(struct socket *sock, int flags)
 {
 	struct file *newfile;
-	int fd = sock_alloc_fd(&newfile);
+	int fd = sock_alloc_fd(&newfile, flags);
 
 	if (likely(fd >= 0)) {
-		int err = sock_attach_fd(sock, newfile);
+		int err = sock_attach_fd(sock, newfile, flags);
 
 		if (unlikely(err < 0)) {
 			put_filp(newfile);
@@ -1218,12 +1220,27 @@ asmlinkage long sys_socket(int family, int type, int protocol)
 {
 	int retval;
 	struct socket *sock;
+	int flags;
+
+	/* Check the SOCK_* constants for consistency.  */
+	BUILD_BUG_ON(SOCK_CLOEXEC != O_CLOEXEC);
+	BUILD_BUG_ON((SOCK_MAX | SOCK_TYPE_MASK) != SOCK_TYPE_MASK);
+	BUILD_BUG_ON(SOCK_CLOEXEC & SOCK_TYPE_MASK);
+	BUILD_BUG_ON(SOCK_NONBLOCK & SOCK_TYPE_MASK);
+
+	flags = type & ~SOCK_TYPE_MASK;
+	if (flags & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
+		return -EINVAL;
+	type &= SOCK_TYPE_MASK;
+
+	if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
+		flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;
 
 	retval = sock_create(family, type, protocol, &sock);
 	if (retval < 0)
 		goto out;
 
-	retval = sock_map_fd(sock);
+	retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));
 	if (retval < 0)
 		goto out_release;
 
@@ -1246,6 +1263,15 @@ asmlinkage long sys_socketpair(int family, int type, int protocol,
 	struct socket *sock1, *sock2;
 	int fd1, fd2, err;
 	struct file *newfile1, *newfile2;
+	int flags;
+
+	flags = type & ~SOCK_TYPE_MASK;
+	if (flags & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
+		return -EINVAL;
+	type &= SOCK_TYPE_MASK;
+
+	if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
+		flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;
 
 	/*
 	 * Obtain the first socket and check if the underlying protocol
@@ -1264,13 +1290,13 @@ asmlinkage long sys_socketpair(int family, int type, int protocol,
 	if (err < 0)
 		goto out_release_both;
 
-	fd1 = sock_alloc_fd(&newfile1);
+	fd1 = sock_alloc_fd(&newfile1, flags & O_CLOEXEC);
 	if (unlikely(fd1 < 0)) {
 		err = fd1;
 		goto out_release_both;
 	}
 
-	fd2 = sock_alloc_fd(&newfile2);
+	fd2 = sock_alloc_fd(&newfile2, flags & O_CLOEXEC);
 	if (unlikely(fd2 < 0)) {
 		err = fd2;
 		put_filp(newfile1);
@@ -1278,12 +1304,12 @@ asmlinkage long sys_socketpair(int family, int type, int protocol,
 		goto out_release_both;
 	}
 
-	err = sock_attach_fd(sock1, newfile1);
+	err = sock_attach_fd(sock1, newfile1, flags & O_NONBLOCK);
 	if (unlikely(err < 0)) {
 		goto out_fd2;
 	}
 
-	err = sock_attach_fd(sock2, newfile2);
+	err = sock_attach_fd(sock2, newfile2, flags & O_NONBLOCK);
 	if (unlikely(err < 0)) {
 		fput(newfile1);
 		goto out_fd1;
@@ -1401,14 +1427,20 @@ asmlinkage long sys_listen(int fd, int backlog)
  *	clean when we restucture accept also.
  */
 
-asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
-			   int __user *upeer_addrlen)
+long do_accept(int fd, struct sockaddr __user *upeer_sockaddr,
+	       int __user *upeer_addrlen, int flags)
 {
 	struct socket *sock, *newsock;
 	struct file *newfile;
 	int err, len, newfd, fput_needed;
 	struct sockaddr_storage address;
 
+	if (flags & ~(SOCK_CLOEXEC | SOCK_NONBLOCK))
+		return -EINVAL;
+
+	if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
+		flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;
+
 	sock = sockfd_lookup_light(fd, &err, &fput_needed);
 	if (!sock)
 		goto out;
@@ -1426,14 +1458,14 @@ asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
 	 */
 	__module_get(newsock->ops->owner);
 
-	newfd = sock_alloc_fd(&newfile);
+	newfd = sock_alloc_fd(&newfile, flags & O_CLOEXEC);
 	if (unlikely(newfd < 0)) {
 		err = newfd;
 		sock_release(newsock);
 		goto out_put;
 	}
 
-	err = sock_attach_fd(newsock, newfile);
+	err = sock_attach_fd(newsock, newfile, flags & O_NONBLOCK);
 	if (err < 0)
 		goto out_fd_simple;
 
@@ -1479,6 +1511,66 @@ out_fd:
 	goto out_put;
 }
 
+#ifdef HAVE_SET_RESTORE_SIGMASK
+asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
+			    int __user *upeer_addrlen,
+			    const sigset_t __user *sigmask,
+			    size_t sigsetsize, int flags)
+{
+	sigset_t ksigmask, sigsaved;
+	int ret;
+
+	if (sigmask) {
+		/* XXX: Don't preclude handling different sized sigset_t's.  */
+		if (sigsetsize != sizeof(sigset_t))
+			return -EINVAL;
+		if (copy_from_user(&ksigmask, sigmask, sizeof(ksigmask)))
+			return -EFAULT;
+
+		sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP));
+		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
+        }
+
+	ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
+
+	if (ret < 0 && signal_pending(current)) {
+		/*
+		 * Don't restore the signal mask yet. Let do_signal() deliver
+		 * the signal on the way back to userspace, before the signal
+		 * mask is restored.
+		 */
+		if (sigmask) {
+			memcpy(&current->saved_sigmask, &sigsaved,
+			       sizeof(sigsaved));
+			set_restore_sigmask();
+		}
+	} else if (sigmask)
+		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
+
+	return ret;
+}
+#else
+asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
+			    int __user *upeer_addrlen,
+			    const sigset_t __user *sigmask,
+			    size_t sigsetsize, int flags)
+{
+	/* The platform does not support restoring the signal mask in the
+	 * return path.  So we do not allow using paccept() with a signal
+	 * mask.  */
+	if (sigmask)
+		return -EINVAL;
+
+	return do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
+}
+#endif
+
+asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
+			   int __user *upeer_addrlen)
+{
+	return do_accept(fd, upeer_sockaddr, upeer_addrlen, 0);
+}
+
 /*
  *	Attempt to connect to a socket with the server address.  The address
  *	is in user space so we verify it is OK and move it to kernel space.
@@ -1999,10 +2091,11 @@ out:
 
 /* Argument list sizes for sys_socketcall */
 #define AL(x) ((x) * sizeof(unsigned long))
-static const unsigned char nargs[18]={
+static const unsigned char nargs[19]={
 	AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
 	AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
-	AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)
+	AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
+	AL(6)
 };
 
 #undef AL
@@ -2021,7 +2114,7 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
 	unsigned long a0, a1;
 	int err;
 
-	if (call < 1 || call > SYS_RECVMSG)
+	if (call < 1 || call > SYS_PACCEPT)
 		return -EINVAL;
 
 	/* copy_from_user should be SMP safe. */
@@ -2050,8 +2143,8 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
 		break;
 	case SYS_ACCEPT:
 		err =
-		    sys_accept(a0, (struct sockaddr __user *)a1,
-			       (int __user *)a[2]);
+		    do_accept(a0, (struct sockaddr __user *)a1,
+			      (int __user *)a[2], 0);
 		break;
 	case SYS_GETSOCKNAME:
 		err =
@@ -2098,6 +2191,13 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
 	case SYS_RECVMSG:
 		err = sys_recvmsg(a0, (struct msghdr __user *)a1, a[2]);
 		break;
+	case SYS_PACCEPT:
+		err =
+		    sys_paccept(a0, (struct sockaddr __user *)a1,
+			        (int __user *)a[2],
+				(const sigset_t __user *) a[3],
+				a[4], a[5]);
+		break;
 	default:
 		err = -EINVAL;
 		break;
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 5a32cb7c4bb..835d2741308 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -310,7 +310,8 @@ svc_pool_map_set_cpumask(struct task_struct *task, unsigned int pidx)
 	switch (m->mode) {
 	case SVC_POOL_PERCPU:
 	{
-		set_cpus_allowed_ptr(task, &cpumask_of_cpu(node));
+		cpumask_of_cpu_ptr(cpumask, node);
+		set_cpus_allowed_ptr(task, cpumask);
 		break;
 	}
 	case SVC_POOL_PERNODE:
diff --git a/net/sysctl_net.c b/net/sysctl_net.c
index 007c1a6708e..63ada437fc2 100644
--- a/net/sysctl_net.c
+++ b/net/sysctl_net.c
@@ -35,8 +35,22 @@ net_ctl_header_lookup(struct ctl_table_root *root, struct nsproxy *namespaces)
 	return &namespaces->net_ns->sysctl_table_headers;
 }
 
+/* Return standard mode bits for table entry. */
+static int net_ctl_permissions(struct ctl_table_root *root,
+			       struct nsproxy *nsproxy,
+			       struct ctl_table *table)
+{
+	/* Allow network administrator to have same access as root. */
+	if (capable(CAP_NET_ADMIN)) {
+		int mode = (table->mode >> 6) & 7;
+		return (mode << 6) | (mode << 3) | mode;
+	}
+	return table->mode;
+}
+
 static struct ctl_table_root net_sysctl_root = {
 	.lookup = net_ctl_header_lookup,
+	.permissions = net_ctl_permissions,
 };
 
 static LIST_HEAD(net_sysctl_ro_tables);
diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
index 9201ef8ad90..6d081674515 100644
--- a/net/xfrm/Kconfig
+++ b/net/xfrm/Kconfig
@@ -46,6 +46,12 @@ config XFRM_STATISTICS
 
 	  If unsure, say N.
 
+config XFRM_IPCOMP
+	tristate
+	select XFRM
+	select CRYPTO
+	select CRYPTO_DEFLATE
+
 config NET_KEY
 	tristate "PF_KEY sockets"
 	select XFRM
diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile
index 332cfb0ff56..0f439a72cca 100644
--- a/net/xfrm/Makefile
+++ b/net/xfrm/Makefile
@@ -6,4 +6,5 @@ obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
 		      xfrm_input.o xfrm_output.o xfrm_algo.o
 obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o
 obj-$(CONFIG_XFRM_USER) += xfrm_user.o
+obj-$(CONFIG_XFRM_IPCOMP) += xfrm_ipcomp.o
 
diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c
new file mode 100644
index 00000000000..800f669083f
--- /dev/null
+++ b/net/xfrm/xfrm_ipcomp.c
@@ -0,0 +1,385 @@
+/*
+ * IP Payload Compression Protocol (IPComp) - RFC3173.
+ *
+ * Copyright (c) 2003 James Morris <jmorris@intercode.com.au>
+ * Copyright (c) 2003-2008 Herbert Xu <herbert@gondor.apana.org.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * Todo:
+ *   - Tunable compression parameters.
+ *   - Compression stats.
+ *   - Adaptive compression.
+ */
+
+#include <linux/crypto.h>
+#include <linux/err.h>
+#include <linux/gfp.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/percpu.h>
+#include <linux/rtnetlink.h>
+#include <linux/smp.h>
+#include <linux/vmalloc.h>
+#include <net/ip.h>
+#include <net/ipcomp.h>
+#include <net/xfrm.h>
+
+struct ipcomp_tfms {
+	struct list_head list;
+	struct crypto_comp **tfms;
+	int users;
+};
+
+static DEFINE_MUTEX(ipcomp_resource_mutex);
+static void **ipcomp_scratches;
+static int ipcomp_scratch_users;
+static LIST_HEAD(ipcomp_tfms_list);
+
+static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
+{
+	struct ipcomp_data *ipcd = x->data;
+	const int plen = skb->len;
+	int dlen = IPCOMP_SCRATCH_SIZE;
+	const u8 *start = skb->data;
+	const int cpu = get_cpu();
+	u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
+	struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
+	int err = crypto_comp_decompress(tfm, start, plen, scratch, &dlen);
+	int len;
+
+	if (err)
+		goto out;
+
+	if (dlen < (plen + sizeof(struct ip_comp_hdr))) {
+		err = -EINVAL;
+		goto out;
+	}
+
+	len = dlen - plen;
+	if (len > skb_tailroom(skb))
+		len = skb_tailroom(skb);
+
+	skb->truesize += len;
+	__skb_put(skb, len);
+
+	len += plen;
+	skb_copy_to_linear_data(skb, scratch, len);
+
+	while ((scratch += len, dlen -= len) > 0) {
+		skb_frag_t *frag;
+
+		err = -EMSGSIZE;
+		if (WARN_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS))
+			goto out;
+
+		frag = skb_shinfo(skb)->frags + skb_shinfo(skb)->nr_frags;
+		frag->page = alloc_page(GFP_ATOMIC);
+
+		err = -ENOMEM;
+		if (!frag->page)
+			goto out;
+
+		len = PAGE_SIZE;
+		if (dlen < len)
+			len = dlen;
+
+		memcpy(page_address(frag->page), scratch, len);
+
+		frag->page_offset = 0;
+		frag->size = len;
+		skb->truesize += len;
+		skb->data_len += len;
+		skb->len += len;
+
+		skb_shinfo(skb)->nr_frags++;
+	}
+
+	err = 0;
+
+out:
+	put_cpu();
+	return err;
+}
+
+int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
+{
+	int nexthdr;
+	int err = -ENOMEM;
+	struct ip_comp_hdr *ipch;
+
+	if (skb_linearize_cow(skb))
+		goto out;
+
+	skb->ip_summed = CHECKSUM_NONE;
+
+	/* Remove ipcomp header and decompress original payload */
+	ipch = (void *)skb->data;
+	nexthdr = ipch->nexthdr;
+
+	skb->transport_header = skb->network_header + sizeof(*ipch);
+	__skb_pull(skb, sizeof(*ipch));
+	err = ipcomp_decompress(x, skb);
+	if (err)
+		goto out;
+
+	err = nexthdr;
+
+out:
+	return err;
+}
+EXPORT_SYMBOL_GPL(ipcomp_input);
+
+static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
+{
+	struct ipcomp_data *ipcd = x->data;
+	const int plen = skb->len;
+	int dlen = IPCOMP_SCRATCH_SIZE;
+	u8 *start = skb->data;
+	const int cpu = get_cpu();
+	u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
+	struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
+	int err;
+
+	local_bh_disable();
+	err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
+	local_bh_enable();
+	if (err)
+		goto out;
+
+	if ((dlen + sizeof(struct ip_comp_hdr)) >= plen) {
+		err = -EMSGSIZE;
+		goto out;
+	}
+
+	memcpy(start + sizeof(struct ip_comp_hdr), scratch, dlen);
+	put_cpu();
+
+	pskb_trim(skb, dlen + sizeof(struct ip_comp_hdr));
+	return 0;
+
+out:
+	put_cpu();
+	return err;
+}
+
+int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb)
+{
+	int err;
+	struct ip_comp_hdr *ipch;
+	struct ipcomp_data *ipcd = x->data;
+
+	if (skb->len < ipcd->threshold) {
+		/* Don't bother compressing */
+		goto out_ok;
+	}
+
+	if (skb_linearize_cow(skb))
+		goto out_ok;
+
+	err = ipcomp_compress(x, skb);
+
+	if (err) {
+		goto out_ok;
+	}
+
+	/* Install ipcomp header, convert into ipcomp datagram. */
+	ipch = ip_comp_hdr(skb);
+	ipch->nexthdr = *skb_mac_header(skb);
+	ipch->flags = 0;
+	ipch->cpi = htons((u16 )ntohl(x->id.spi));
+	*skb_mac_header(skb) = IPPROTO_COMP;
+out_ok:
+	skb_push(skb, -skb_network_offset(skb));
+	return 0;
+}
+EXPORT_SYMBOL_GPL(ipcomp_output);
+
+static void ipcomp_free_scratches(void)
+{
+	int i;
+	void **scratches;
+
+	if (--ipcomp_scratch_users)
+		return;
+
+	scratches = ipcomp_scratches;
+	if (!scratches)
+		return;
+
+	for_each_possible_cpu(i)
+		vfree(*per_cpu_ptr(scratches, i));
+
+	free_percpu(scratches);
+}
+
+static void **ipcomp_alloc_scratches(void)
+{
+	int i;
+	void **scratches;
+
+	if (ipcomp_scratch_users++)
+		return ipcomp_scratches;
+
+	scratches = alloc_percpu(void *);
+	if (!scratches)
+		return NULL;
+
+	ipcomp_scratches = scratches;
+
+	for_each_possible_cpu(i) {
+		void *scratch = vmalloc(IPCOMP_SCRATCH_SIZE);
+		if (!scratch)
+			return NULL;
+		*per_cpu_ptr(scratches, i) = scratch;
+	}
+
+	return scratches;
+}
+
+static void ipcomp_free_tfms(struct crypto_comp **tfms)
+{
+	struct ipcomp_tfms *pos;
+	int cpu;
+
+	list_for_each_entry(pos, &ipcomp_tfms_list, list) {
+		if (pos->tfms == tfms)
+			break;
+	}
+
+	BUG_TRAP(pos);
+
+	if (--pos->users)
+		return;
+
+	list_del(&pos->list);
+	kfree(pos);
+
+	if (!tfms)
+		return;
+
+	for_each_possible_cpu(cpu) {
+		struct crypto_comp *tfm = *per_cpu_ptr(tfms, cpu);
+		crypto_free_comp(tfm);
+	}
+	free_percpu(tfms);
+}
+
+static struct crypto_comp **ipcomp_alloc_tfms(const char *alg_name)
+{
+	struct ipcomp_tfms *pos;
+	struct crypto_comp **tfms;
+	int cpu;
+
+	/* This can be any valid CPU ID so we don't need locking. */
+	cpu = raw_smp_processor_id();
+
+	list_for_each_entry(pos, &ipcomp_tfms_list, list) {
+		struct crypto_comp *tfm;
+
+		tfms = pos->tfms;
+		tfm = *per_cpu_ptr(tfms, cpu);
+
+		if (!strcmp(crypto_comp_name(tfm), alg_name)) {
+			pos->users++;
+			return tfms;
+		}
+	}
+
+	pos = kmalloc(sizeof(*pos), GFP_KERNEL);
+	if (!pos)
+		return NULL;
+
+	pos->users = 1;
+	INIT_LIST_HEAD(&pos->list);
+	list_add(&pos->list, &ipcomp_tfms_list);
+
+	pos->tfms = tfms = alloc_percpu(struct crypto_comp *);
+	if (!tfms)
+		goto error;
+
+	for_each_possible_cpu(cpu) {
+		struct crypto_comp *tfm = crypto_alloc_comp(alg_name, 0,
+							    CRYPTO_ALG_ASYNC);
+		if (IS_ERR(tfm))
+			goto error;
+		*per_cpu_ptr(tfms, cpu) = tfm;
+	}
+
+	return tfms;
+
+error:
+	ipcomp_free_tfms(tfms);
+	return NULL;
+}
+
+static void ipcomp_free_data(struct ipcomp_data *ipcd)
+{
+	if (ipcd->tfms)
+		ipcomp_free_tfms(ipcd->tfms);
+	ipcomp_free_scratches();
+}
+
+void ipcomp_destroy(struct xfrm_state *x)
+{
+	struct ipcomp_data *ipcd = x->data;
+	if (!ipcd)
+		return;
+	xfrm_state_delete_tunnel(x);
+	mutex_lock(&ipcomp_resource_mutex);
+	ipcomp_free_data(ipcd);
+	mutex_unlock(&ipcomp_resource_mutex);
+	kfree(ipcd);
+}
+EXPORT_SYMBOL_GPL(ipcomp_destroy);
+
+int ipcomp_init_state(struct xfrm_state *x)
+{
+	int err;
+	struct ipcomp_data *ipcd;
+	struct xfrm_algo_desc *calg_desc;
+
+	err = -EINVAL;
+	if (!x->calg)
+		goto out;
+
+	if (x->encap)
+		goto out;
+
+	err = -ENOMEM;
+	ipcd = kzalloc(sizeof(*ipcd), GFP_KERNEL);
+	if (!ipcd)
+		goto out;
+
+	mutex_lock(&ipcomp_resource_mutex);
+	if (!ipcomp_alloc_scratches())
+		goto error;
+
+	ipcd->tfms = ipcomp_alloc_tfms(x->calg->alg_name);
+	if (!ipcd->tfms)
+		goto error;
+	mutex_unlock(&ipcomp_resource_mutex);
+
+	calg_desc = xfrm_calg_get_byname(x->calg->alg_name, 0);
+	BUG_ON(!calg_desc);
+	ipcd->threshold = calg_desc->uinfo.comp.threshold;
+	x->data = ipcd;
+	err = 0;
+out:
+	return err;
+
+error:
+	ipcomp_free_data(ipcd);
+	mutex_unlock(&ipcomp_resource_mutex);
+	kfree(ipcd);
+	goto out;
+}
+EXPORT_SYMBOL_GPL(ipcomp_init_state);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("IP Payload Compression Protocol (IPComp) - RFC3173");
+MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");