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

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (41 commits)
  [RTNETLINK]: Fix warning for !CONFIG_KMOD
  [IPV4] ip_options.c: kmalloc + memset conversion to kzalloc
  [DECNET]: kmalloc + memset conversion to kzalloc
  [NET]: ethtool_perm_addr only has one implementation
  [NET]: ethtool ops are the only way
  [PPPOE]: Improve hashing function in hash_item().
  [XFRM]: State selection update to use inner addresses.
  [IPSEC]: Ensure that state inner family is set
  [TCP]: Bidir flow must not disregard SACK blocks for lost marking
  [TCP]: Fix ratehalving with bidirectional flows
  [PPPOL2TP]: Add CONFIG_INET Kconfig dependency.
  [NET]: Page offsets and lengths need to be __u32.
  [AF_UNIX]: Make code static.
  [NETFILTER]: Make nf_ct_ipv6_skip_exthdr() static.
  [PKTGEN]: make get_ipsec_sa() static and non-inline
  [PPPoE]: move lock_sock() in pppoe_sendmsg() to the right location
  [PPPoX/E]: return ENOTTY on unknown ioctl requests
  [IPV6]: ipv6_addr_type() doesn't know about RFC4193 addresses.
  [NET]: Fix prio_tune() handling of root qdisc.
  [NET]: Fix sch_api to properly set sch->parent on the root.
  ...

74 files changed, 451 insertions, 471 deletions

diff --git a/drivers/dma/iovlock.c b/drivers/dma/iovlock.c
index d637555a833b..e763d723e4cf 100644
--- a/drivers/dma/iovlock.c
+++ b/drivers/dma/iovlock.c
@@ -143,29 +143,6 @@ void dma_unpin_iovec_pages(struct dma_pinned_list *pinned_list)
 	kfree(pinned_list);
 }
 
-static dma_cookie_t dma_memcpy_to_kernel_iovec(struct dma_chan *chan, struct
-	iovec *iov, unsigned char *kdata, size_t len)
-{
-	dma_cookie_t dma_cookie = 0;
-
-	while (len > 0) {
-		if (iov->iov_len) {
-			int copy = min_t(unsigned int, iov->iov_len, len);
-			dma_cookie = dma_async_memcpy_buf_to_buf(
-					chan,
-					iov->iov_base,
-					kdata,
-					copy);
-			kdata += copy;
-			len -= copy;
-			iov->iov_len -= copy;
-			iov->iov_base += copy;
-		}
-		iov++;
-	}
-
-	return dma_cookie;
-}
 
 /*
  * We have already pinned down the pages we will be using in the iovecs.
@@ -187,10 +164,6 @@ dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov,
 	if (!chan)
 		return memcpy_toiovec(iov, kdata, len);
 
-	/* -> kernel copies (e.g. smbfs) */
-	if (!pinned_list)
-		return dma_memcpy_to_kernel_iovec(chan, iov, kdata, len);
-
 	iovec_idx = 0;
 	while (iovec_idx < pinned_list->nr_iovecs) {
 		struct dma_page_list *page_list;
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 6deb20fc7a08..001c66dd3a94 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -2886,7 +2886,6 @@ static const struct ethtool_ops vortex_ethtool_ops = {
 	.set_settings           = vortex_set_settings,
 	.get_link               = ethtool_op_get_link,
 	.nway_reset             = vortex_nway_reset,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 #ifdef CONFIG_PCI
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index e970e64bf966..a79f28c7a100 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1578,7 +1578,6 @@ static const struct ethtool_ops cp_ethtool_ops = {
 	.set_wol		= cp_set_wol,
 	.get_strings		= cp_get_strings,
 	.get_ethtool_stats	= cp_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 	.get_eeprom_len		= cp_get_eeprom_len,
 	.get_eeprom		= cp_get_eeprom,
 	.set_eeprom		= cp_set_eeprom,
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index 327eaa7b4999..f4e4298d24b9 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -2452,7 +2452,6 @@ static const struct ethtool_ops rtl8139_ethtool_ops = {
 	.get_strings		= rtl8139_get_strings,
 	.get_stats_count	= rtl8139_get_stats_count,
 	.get_ethtool_stats	= rtl8139_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f8a602caabcb..81ef81c9a584 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2851,7 +2851,7 @@ config PPPOATM
 
 config PPPOL2TP
 	tristate "PPP over L2TP (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && PPP
+	depends on EXPERIMENTAL && PPP && INET
 	help
 	  Support for PPP-over-L2TP socket family. L2TP is a protocol
 	  used by ISPs and enterprises to tunnel PPP traffic over UDP
diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
index e43e8047b90e..83da1770bafb 100644
--- a/drivers/net/ax88796.c
+++ b/drivers/net/ax88796.c
@@ -580,7 +580,6 @@ static const struct ethtool_ops ax_ethtool_ops = {
 	.set_settings		= ax_set_settings,
 	.nway_reset		= ax_nway_reset,
 	.get_link		= ax_get_link,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 /* setup code */
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 37f1b6ff5c12..0795df235492 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -2033,7 +2033,6 @@ static const struct ethtool_ops b44_ethtool_ops = {
 	.get_strings		= b44_get_strings,
 	.get_stats_count	= b44_get_stats_count,
 	.get_ethtool_stats	= b44_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static int b44_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index a729da061bbb..d53dfc5bbae0 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6269,7 +6269,6 @@ static const struct ethtool_ops bnx2_ethtool_ops = {
 	.phys_id		= bnx2_phys_id,
 	.get_stats_count	= bnx2_get_stats_count,
 	.get_ethtool_stats	= bnx2_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 /* Called with rtnl_lock */
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index cb9cb3013f42..070b78d959cc 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -613,38 +613,20 @@ down:
 static int bond_update_speed_duplex(struct slave *slave)
 {
 	struct net_device *slave_dev = slave->dev;
-	static int (* ioctl)(struct net_device *, struct ifreq *, int);
-	struct ifreq ifr;
 	struct ethtool_cmd etool;
+	int res;
 
 	/* Fake speed and duplex */
 	slave->speed = SPEED_100;
 	slave->duplex = DUPLEX_FULL;
 
-	if (slave_dev->ethtool_ops) {
-		int res;
-
-		if (!slave_dev->ethtool_ops->get_settings) {
-			return -1;
-		}
-
-		res = slave_dev->ethtool_ops->get_settings(slave_dev, &etool);
-		if (res < 0) {
-			return -1;
-		}
-
-		goto verify;
-	}
+	if (!slave_dev->ethtool_ops || !slave_dev->ethtool_ops->get_settings)
+		return -1;
 
-	ioctl = slave_dev->do_ioctl;
-	strncpy(ifr.ifr_name, slave_dev->name, IFNAMSIZ);
-	etool.cmd = ETHTOOL_GSET;
-	ifr.ifr_data = (char*)&etool;
-	if (!ioctl || (IOCTL(slave_dev, &ifr, SIOCETHTOOL) < 0)) {
+	res = slave_dev->ethtool_ops->get_settings(slave_dev, &etool);
+	if (res < 0)
 		return -1;
-	}
 
-verify:
 	switch (etool.speed) {
 	case SPEED_10:
 	case SPEED_100:
@@ -690,7 +672,6 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
 	static int (* ioctl)(struct net_device *, struct ifreq *, int);
 	struct ifreq ifr;
 	struct mii_ioctl_data *mii;
-	struct ethtool_value etool;
 
 	if (bond->params.use_carrier) {
 		return netif_carrier_ok(slave_dev) ? BMSR_LSTATUS : 0;
@@ -721,9 +702,10 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
 		}
 	}
 
-	/* try SIOCETHTOOL ioctl, some drivers cache ETHTOOL_GLINK */
-	/* for a period of time so we attempt to get link status   */
-	/* from it last if the above MII ioctls fail...            */
+	/*
+	 * Some drivers cache ETHTOOL_GLINK for a period of time so we only
+	 * attempt to get link status from it if the above MII ioctls fail.
+	 */
 	if (slave_dev->ethtool_ops) {
 		if (slave_dev->ethtool_ops->get_link) {
 			u32 link;
@@ -734,23 +716,9 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
 		}
 	}
 
-	if (ioctl) {
-		strncpy(ifr.ifr_name, slave_dev->name, IFNAMSIZ);
-		etool.cmd = ETHTOOL_GLINK;
-		ifr.ifr_data = (char*)&etool;
-		if (IOCTL(slave_dev, &ifr, SIOCETHTOOL) == 0) {
-			if (etool.data == 1) {
-				return BMSR_LSTATUS;
-			} else {
-				dprintk("SIOCETHTOOL shows link down\n");
-				return 0;
-			}
-		}
-	}
-
 	/*
 	 * If reporting, report that either there's no dev->do_ioctl,
-	 * or both SIOCGMIIREG and SIOCETHTOOL failed (meaning that we
+	 * or both SIOCGMIIREG and get_link failed (meaning that we
 	 * cannot report link status).  If not reporting, pretend
 	 * we're ok.
 	 */
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 6fd1e5241833..dc5d26988bb3 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1583,7 +1583,6 @@ static const struct ethtool_ops cxgb_ethtool_ops = {
 	.get_wol = get_wol,
 	.get_tso = ethtool_op_get_tso,
 	.set_tso = ethtool_op_set_tso,
-	.get_perm_addr = ethtool_op_get_perm_addr
 };
 
 static int in_range(int val, int lo, int hi)
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 6b6401e9304e..280313b9b069 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2506,7 +2506,6 @@ static const struct ethtool_ops e100_ethtool_ops = {
 	.phys_id		= e100_phys_id,
 	.get_stats_count	= e100_get_stats_count,
 	.get_ethtool_stats	= e100_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static int e100_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index bb08375b5f13..c90c92e72d2a 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1973,7 +1973,6 @@ static const struct ethtool_ops e1000_ethtool_ops = {
 	.phys_id                = e1000_phys_id,
 	.get_stats_count        = e1000_get_stats_count,
 	.get_ethtool_stats      = e1000_get_ethtool_stats,
-	.get_perm_addr          = ethtool_op_get_perm_addr,
 };
 
 void e1000_set_ethtool_ops(struct net_device *netdev)
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 51e1cb472738..69f5f365239a 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4707,7 +4707,6 @@ static const struct ethtool_ops ops = {
 	.get_regs_len = nv_get_regs_len,
 	.get_regs = nv_get_regs,
 	.nway_reset = nv_nway_reset,
-	.get_perm_addr = ethtool_op_get_perm_addr,
 	.get_tso = ethtool_op_get_tso,
 	.set_tso = nv_set_tso,
 	.get_ringparam = nv_get_ringparam,
diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index afde84868bea..0413cd95eda7 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -724,7 +724,6 @@ static const struct ethtool_ops ixgb_ethtool_ops = {
 	.phys_id = ixgb_phys_id,
 	.get_stats_count = ixgb_get_stats_count,
 	.get_ethtool_stats = ixgb_get_ethtool_stats,
-	.get_perm_addr = ethtool_op_get_perm_addr,
 };
 
 void ixgb_set_ethtool_ops(struct net_device *netdev)
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 6ba6ed2b480a..5106c2328d12 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -229,7 +229,12 @@ struct net_device loopback_dev = {
 /* Setup and register the loopback device. */
 static int __init loopback_init(void)
 {
-	return register_netdev(&loopback_dev);
+	int err = register_netdev(&loopback_dev);
+
+	if (err)
+		panic("loopback: Failed to register netdevice: %d\n", err);
+
+	return err;
 };
 
 module_init(loopback_init);
diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c
index cfdeaf7aa163..f81d9398d605 100644
--- a/drivers/net/ne2k-pci.c
+++ b/drivers/net/ne2k-pci.c
@@ -638,7 +638,6 @@ static const struct ethtool_ops ne2k_pci_ethtool_ops = {
 	.get_drvinfo		= ne2k_pci_get_drvinfo,
 	.get_tx_csum		= ethtool_op_get_tx_csum,
 	.get_sg			= ethtool_op_get_sg,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static void __devexit ne2k_pci_remove_one (struct pci_dev *pdev)
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 0175f6c353f6..a6138b474b4a 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -755,5 +755,4 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
 	.get_strings = netxen_nic_get_strings,
 	.get_stats_count = netxen_nic_get_stats_count,
 	.get_ethtool_stats = netxen_nic_get_ethtool_stats,
-	.get_perm_addr = ethtool_op_get_perm_addr,
 };
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 465485a3fbc6..e6a67531de99 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -1515,7 +1515,6 @@ static const struct ethtool_ops pcnet32_ethtool_ops = {
 	.phys_id		= pcnet32_phys_id,
 	.get_regs_len		= pcnet32_get_regs_len,
 	.get_regs		= pcnet32_get_regs,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 /* only probes for non-PCI devices, the rest are handled by
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 6f98834e6ace..68631a5721ac 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -108,19 +108,24 @@ static inline int cmp_addr(struct pppoe_addr *a, unsigned long sid, char *addr)
 		(memcmp(a->remote,addr,ETH_ALEN) == 0));
 }
 
-static int hash_item(unsigned long sid, unsigned char *addr)
+#if 8%PPPOE_HASH_BITS
+#error 8 must be a multiple of PPPOE_HASH_BITS
+#endif
+
+static int hash_item(unsigned int sid, unsigned char *addr)
 {
-	char hash = 0;
-	int i, j;
+	unsigned char hash = 0;
+	unsigned int i;
 
-	for (i = 0; i < ETH_ALEN ; ++i) {
-		for (j = 0; j < 8/PPPOE_HASH_BITS ; ++j) {
-			hash ^= addr[i] >> ( j * PPPOE_HASH_BITS );
-		}
+	for (i = 0 ; i < ETH_ALEN ; i++) {
+		hash ^= addr[i];
+	}
+	for (i = 0 ; i < sizeof(sid_t)*8 ; i += 8 ){
+		hash ^= sid>>i;
+	}
+	for (i = 8 ; (i>>=1) >= PPPOE_HASH_BITS ; ) {
+		hash ^= hash>>i;
 	}
-
-	for (i = 0; i < (sizeof(unsigned long)*8) / PPPOE_HASH_BITS ; ++i)
-		hash ^= sid >> (i*PPPOE_HASH_BITS);
 
 	return hash & ( PPPOE_HASH_SIZE - 1 );
 }
@@ -664,8 +669,8 @@ static int pppoe_ioctl(struct socket *sock, unsigned int cmd,
 {
 	struct sock *sk = sock->sk;
 	struct pppox_sock *po = pppox_sk(sk);
-	int val = 0;
-	int err = 0;
+	int val;
+	int err;
 
 	switch (cmd) {
 	case PPPIOCGMRU:
@@ -754,8 +759,9 @@ static int pppoe_ioctl(struct socket *sock, unsigned int cmd,
 		err = 0;
 		break;
 
-	default:;
-	};
+	default:
+		err = -ENOTTY;
+	}
 
 	return err;
 }
@@ -773,6 +779,7 @@ static int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock,
 	struct net_device *dev;
 	char *start;
 
+	lock_sock(sk);
 	if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) {
 		error = -ENOTCONN;
 		goto end;
@@ -783,8 +790,6 @@ static int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock,
 	hdr.code = 0;
 	hdr.sid = po->num;
 
-	lock_sock(sk);
-
 	dev = po->pppoe_dev;
 
 	error = -EMSGSIZE;
diff --git a/drivers/net/pppox.c b/drivers/net/pppox.c
index f3e47d0c2b3c..25c52b55c38f 100644
--- a/drivers/net/pppox.c
+++ b/drivers/net/pppox.c
@@ -73,7 +73,7 @@ int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
 	struct sock *sk = sock->sk;
 	struct pppox_sock *po = pppox_sk(sk);
-	int rc = 0;
+	int rc;
 
 	lock_sock(sk);
 
@@ -94,12 +94,9 @@ int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		break;
 	}
 	default:
-		if (pppox_protos[sk->sk_protocol]->ioctl)
-			rc = pppox_protos[sk->sk_protocol]->ioctl(sock, cmd,
-								  arg);
-
-		break;
-	};
+		rc = pppox_protos[sk->sk_protocol]->ioctl ?
+			pppox_protos[sk->sk_protocol]->ioctl(sock, cmd, arg) : -ENOTTY;
+	}
 
 	release_sock(sk);
 	return rc;
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 8be8be451ada..69da95b5ad0c 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -1904,7 +1904,6 @@ static void ql_get_pauseparam(struct net_device *ndev,
 static const struct ethtool_ops ql3xxx_ethtool_ops = {
 	.get_settings = ql_get_settings,
 	.get_drvinfo = ql_get_drvinfo,
-	.get_perm_addr = ethtool_op_get_perm_addr,
 	.get_link = ethtool_op_get_link,
 	.get_msglevel = ql_get_msglevel,
 	.set_msglevel = ql_set_msglevel,
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index bb6896ae3151..c9333b9dd51a 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1066,7 +1066,6 @@ static const struct ethtool_ops rtl8169_ethtool_ops = {
 	.get_strings		= rtl8169_get_strings,
 	.get_stats_count	= rtl8169_get_stats_count,
 	.get_ethtool_stats	= rtl8169_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg,
diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index 5b7284c955dc..872cb1cc9c41 100644
--- a/drivers/net/sc92031.c
+++ b/drivers/net/sc92031.c
@@ -1402,7 +1402,6 @@ static struct ethtool_ops sc92031_ethtool_ops = {
 	.get_strings		= sc92031_ethtool_get_strings,
 	.get_stats_count	= sc92031_ethtool_get_stats_count,
 	.get_ethtool_stats	= sc92031_ethtool_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 	.get_ufo		= ethtool_op_get_ufo,
 };
 
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 776692946562..e3d8520209b8 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -821,7 +821,6 @@ static const struct ethtool_ops skge_ethtool_ops = {
 	.phys_id	= skge_phys_id,
 	.get_stats_count = skge_get_stats_count,
 	.get_ethtool_stats = skge_get_ethtool_stats,
-	.get_perm_addr	= ethtool_op_get_perm_addr,
 };
 
 /*
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 13f08a390e1f..e7a2eadcc3b0 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -3548,7 +3548,6 @@ static const struct ethtool_ops sky2_ethtool_ops = {
 	.phys_id	= sky2_phys_id,
 	.get_stats_count = sky2_get_stats_count,
 	.get_ethtool_stats = sky2_get_ethtool_stats,
-	.get_perm_addr	= ethtool_op_get_perm_addr,
 };
 
 #ifdef CONFIG_SKY2_DEBUG
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index af0c9831074c..a8f2af8f778a 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -1586,7 +1586,6 @@ static const struct ethtool_ops ethtool_ops = {
 	.get_link = get_link,
 	.get_msglevel = get_msglevel,
 	.set_msglevel = set_msglevel,
-	.get_perm_addr = ethtool_op_get_perm_addr,
 };
 
 static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
diff --git a/drivers/net/sunvnet.c b/drivers/net/sunvnet.c
index 61f98251feab..ff1028a597df 100644
--- a/drivers/net/sunvnet.c
+++ b/drivers/net/sunvnet.c
@@ -906,7 +906,6 @@ static const struct ethtool_ops vnet_ethtool_ops = {
 	.get_msglevel		= vnet_get_msglevel,
 	.set_msglevel		= vnet_set_msglevel,
 	.get_link		= ethtool_op_get_link,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static void vnet_port_free_tx_bufs(struct vnet_port *port)
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 7f94ca930988..ec41469eee82 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -2198,7 +2198,6 @@ static const struct ethtool_ops tc35815_ethtool_ops = {
 	.get_strings		= tc35815_get_strings,
 	.get_stats_count	= tc35815_get_stats_count,
 	.get_ethtool_stats	= tc35815_get_ethtool_stats,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static int tc35815_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 887b9a5cfe48..dc41c055ebb5 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9294,7 +9294,6 @@ static const struct ethtool_ops tg3_ethtool_ops = {
 	.get_ethtool_stats	= tg3_get_ethtool_stats,
 	.get_coalesce		= tg3_get_coalesce,
 	.set_coalesce		= tg3_set_coalesce,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index f51c2c138f10..c3fe230695a0 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1805,7 +1805,6 @@ static const struct ethtool_ops netdev_ethtool_ops = {
 	.set_wol		= rhine_set_wol,
 	.get_sg			= ethtool_op_get_sg,
 	.get_tx_csum		= ethtool_op_get_tx_csum,
-	.get_perm_addr		= ethtool_op_get_perm_addr,
 };
 
 static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 3a632244f31b..23ccea811297 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -270,8 +270,6 @@ u32 ethtool_op_get_sg(struct net_device *dev);
 int ethtool_op_set_sg(struct net_device *dev, u32 data);
 u32 ethtool_op_get_tso(struct net_device *dev);
 int ethtool_op_set_tso(struct net_device *dev, u32 data);
-int ethtool_op_get_perm_addr(struct net_device *dev, 
-			     struct ethtool_perm_addr *addr, u8 *data);
 u32 ethtool_op_get_ufo(struct net_device *dev);
 int ethtool_op_set_ufo(struct net_device *dev, u32 data);
 
@@ -309,7 +307,6 @@ int ethtool_op_set_ufo(struct net_device *dev, u32 data);
  * get_strings: Return a set of strings that describe the requested objects 
  * phys_id: Identify the device
  * get_stats: Return statistics about the device
- * get_perm_addr: Gets the permanent hardware address
  * 
  * Description:
  *
@@ -368,7 +365,6 @@ struct ethtool_ops {
 	int	(*phys_id)(struct net_device *, u32);
 	int	(*get_stats_count)(struct net_device *);
 	void	(*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, u64 *);
-	int	(*get_perm_addr)(struct net_device *, struct ethtool_perm_addr *, u8 *);
 	int	(*begin)(struct net_device *);
 	void	(*complete)(struct net_device *);
 	u32     (*get_ufo)(struct net_device *);
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 97983dc9df13..4ca60c3320fb 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -219,7 +219,6 @@ enum {
 #include <linux/tcp.h>
 #include <linux/udp.h>
 
-#include <net/if_inet6.h>       /* struct ipv6_mc_socklist */
 #include <net/inet_sock.h>
 
 static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
@@ -273,6 +272,10 @@ struct tcp6_request_sock {
 	struct inet6_request_sock tcp6rsk_inet6;
 };
 
+struct ipv6_mc_socklist;
+struct ipv6_ac_socklist;
+struct ipv6_fl_socklist;
+
 /**
  * struct ipv6_pinfo - ipv6 private area
  *
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index be3f2bb6fcf3..fad7ff17e468 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -157,6 +157,19 @@ extern int __srcu_notifier_call_chain(struct srcu_notifier_head *nh,
  */
 #define NOTIFY_STOP		(NOTIFY_OK|NOTIFY_STOP_MASK)
 
+/* Encapsulate (negative) errno value (in particular, NOTIFY_BAD <=> EPERM). */
+static inline int notifier_from_errno(int err)
+{
+	return NOTIFY_STOP_MASK | (NOTIFY_OK - err);
+}
+
+/* Restore (negative) errno value from notify return value. */
+static inline int notifier_to_errno(int ret)
+{
+	ret &= ~NOTIFY_STOP_MASK;
+	return ret > NOTIFY_OK ? NOTIFY_OK - ret : 0;
+}
+
 /*
  *	Declared notifiers so far. I can imagine quite a few more chains
  *	over time (eg laptop power reset chains, reboot chain (to clean 
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index ce256438e619..93c27f71122a 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -134,8 +134,8 @@ typedef struct skb_frag_struct skb_frag_t;
 
 struct skb_frag_struct {
 	struct page *page;
-	__u16 page_offset;
-	__u16 size;
+	__u32 page_offset;
+	__u32 size;
 };
 
 /* This data is invariant across clones and lives at
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 6de1e9e35c73..0864a775de24 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -12,37 +12,8 @@ extern void unix_gc(void);
 
 #define UNIX_HASH_SIZE	256
 
-extern struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
-extern spinlock_t unix_table_lock;
-
 extern atomic_t unix_tot_inflight;
 
-static inline struct sock *first_unix_socket(int *i)
-{
-	for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) {
-		if (!hlist_empty(&unix_socket_table[*i]))
-			return __sk_head(&unix_socket_table[*i]);
-	}
-	return NULL;
-}
-
-static inline struct sock *next_unix_socket(int *i, struct sock *s)
-{
-	struct sock *next = sk_next(s);
-	/* More in this chain? */
-	if (next)
-		return next;
-	/* Look for next non-empty chain. */
-	for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) {
-		if (!hlist_empty(&unix_socket_table[*i]))
-			return __sk_head(&unix_socket_table[*i]);
-	}
-	return NULL;
-}
-
-#define forall_unix_sockets(i, s) \
-	for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
-
 struct unix_address {
 	atomic_t	refcnt;
 	int		len;
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 87df4e87622d..70e70f5d3dd6 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -34,7 +34,7 @@
 /* L2CAP socket address */
 struct sockaddr_l2 {
 	sa_family_t	l2_family;
-	unsigned short	l2_psm;
+	__le16		l2_psm;
 	bdaddr_t	l2_bdaddr;
 };
 
@@ -76,32 +76,32 @@ struct l2cap_conninfo {
 
 /* L2CAP structures */
 struct l2cap_hdr {
-	__u16      len;
-	__u16      cid;
+	__le16     len;
+	__le16     cid;
 } __attribute__ ((packed));
 #define L2CAP_HDR_SIZE		4
 
 struct l2cap_cmd_hdr {
 	__u8       code;
 	__u8       ident;
-	__u16      len;
+	__le16     len;
 } __attribute__ ((packed));
 #define L2CAP_CMD_HDR_SIZE	4
 
 struct l2cap_cmd_rej {
-	__u16      reason;
+	__le16     reason;
 } __attribute__ ((packed));
 
 struct l2cap_conn_req {
-	__u16      psm;
-	__u16      scid;
+	__le16     psm;
+	__le16     scid;
 } __attribute__ ((packed));
 
 struct l2cap_conn_rsp {
-	__u16      dcid;
-	__u16      scid;
-	__u16      result;
-	__u16      status;
+	__le16     dcid;
+	__le16     scid;
+	__le16     result;
+	__le16     status;
 } __attribute__ ((packed));
 
 /* connect result */
@@ -117,15 +117,15 @@ struct l2cap_conn_rsp {
 #define L2CAP_CS_AUTHOR_PEND  0x0002
 
 struct l2cap_conf_req {
-	__u16      dcid;
-	__u16      flags;
+	__le16     dcid;
+	__le16     flags;
 	__u8       data[0];
 } __attribute__ ((packed));
 
 struct l2cap_conf_rsp {
-	__u16      scid;
-	__u16      flags;
-	__u16      result;
+	__le16     scid;
+	__le16     flags;
+	__le16     result;
 	__u8       data[0];
 } __attribute__ ((packed));
 
@@ -149,23 +149,23 @@ struct l2cap_conf_opt {
 #define L2CAP_CONF_MAX_SIZE	22
 
 struct l2cap_disconn_req {
-	__u16      dcid;
-	__u16      scid;
+	__le16     dcid;
+	__le16     scid;
 } __attribute__ ((packed));
 
 struct l2cap_disconn_rsp {
-	__u16      dcid;
-	__u16      scid;
+	__le16     dcid;
+	__le16     scid;
 } __attribute__ ((packed));
 
 struct l2cap_info_req {
-	__u16       type;
+	__le16      type;
 	__u8        data[0];
 } __attribute__ ((packed));
 
 struct l2cap_info_rsp {
-	__u16       type;
-	__u16       result;
+	__le16      type;
+	__le16      result;
 	__u8        data[0];
 } __attribute__ ((packed));
 
@@ -207,7 +207,7 @@ struct l2cap_conn {
 
 struct l2cap_pinfo {
 	struct bt_sock	bt;
-	__u16		psm;
+	__le16		psm;
 	__u16		dcid;
 	__u16		scid;
 
@@ -225,7 +225,7 @@ struct l2cap_pinfo {
 
 	__u8		ident;
 
-	__u16		sport;
+	__le16		sport;
 
 	struct l2cap_conn	*conn;
 	struct sock		*next_c;
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 46b9dce82f6e..9059e0ed7fe3 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -17,6 +17,7 @@
 
 #include <linux/ipv6.h>
 #include <linux/hardirq.h>
+#include <net/if_inet6.h>
 #include <net/ndisc.h>
 #include <net/flow.h>
 #include <net/snmp.h>
diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
index 5a8965904377..070d12cb4634 100644
--- a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
@@ -7,9 +7,6 @@ extern struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6;
 extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6;
 extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6;
 
-extern int nf_ct_ipv6_skip_exthdr(const struct sk_buff *skb, int start,
-				  u8 *nexthdrp, int len);
-
 extern int nf_ct_frag6_init(void);
 extern void nf_ct_frag6_cleanup(void);
 extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 8b404b1ef7c8..c209361ab74a 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -660,7 +660,7 @@ struct tcp_congestion_ops {
 	/* new value of cwnd after loss (optional) */
 	u32  (*undo_cwnd)(struct sock *sk);
 	/* hook for packet ack accounting (optional) */
-	void (*pkts_acked)(struct sock *sk, u32 num_acked, ktime_t last);
+	void (*pkts_acked)(struct sock *sk, u32 num_acked, s32 rtt_us);
 	/* get info for inet_diag (optional) */
 	void (*get_info)(struct sock *sk, u32 ext, struct sk_buff *skb);
 
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 4d2aa4dd42ac..4bab322c9f8f 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -668,9 +668,6 @@ int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		if (real_dev->do_ioctl && netif_device_present(real_dev))
 			err = real_dev->do_ioctl(real_dev, &ifrr, cmd);
 		break;
-
-	case SIOCETHTOOL:
-		err = dev_ethtool(&ifrr);
 	}
 
 	if (!err)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 670ff95ca64b..c4e4ce4ebb2b 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -353,7 +353,7 @@ static inline int l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16
 }
 
 /* ---- Socket interface ---- */
-static struct sock *__l2cap_get_sock_by_addr(u16 psm, bdaddr_t *src)
+static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
 {
 	struct sock *sk;
 	struct hlist_node *node;
@@ -368,7 +368,7 @@ found:
 /* Find socket with psm and source bdaddr.
  * Returns closest match.
  */
-static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
+static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
 {
 	struct sock *sk = NULL, *sk1 = NULL;
 	struct hlist_node *node;
@@ -392,7 +392,7 @@ static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
 
 /* Find socket with given address (psm, src).
  * Returns locked socket */
-static inline struct sock *l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
+static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
 {
 	struct sock *s;
 	read_lock(&l2cap_sk_list.lock);
@@ -586,7 +586,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_
 		goto done;
 	}
 
-	if (la->l2_psm > 0 && btohs(la->l2_psm) < 0x1001 &&
+	if (la->l2_psm && btohs(la->l2_psm) < 0x1001 &&
 				!capable(CAP_NET_BIND_SERVICE)) {
 		err = -EACCES;
 		goto done;
@@ -748,7 +748,7 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
 		write_lock_bh(&l2cap_sk_list.lock);
 
 		for (psm = 0x1001; psm < 0x1100; psm += 2)
-			if (!__l2cap_get_sock_by_addr(psm, src)) {
+			if (!__l2cap_get_sock_by_addr(htobs(psm), src)) {
 				l2cap_pi(sk)->psm   = htobs(psm);
 				l2cap_pi(sk)->sport = htobs(psm);
 				err = 0;
@@ -873,7 +873,7 @@ static inline int l2cap_do_send(struct sock *sk, struct msghdr *msg, int len)
 	lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
 
 	if (sk->sk_type == SOCK_DGRAM)
-		put_unaligned(l2cap_pi(sk)->psm, (u16 *) skb_put(skb, 2));
+		put_unaligned(l2cap_pi(sk)->psm, (__le16 *) skb_put(skb, 2));
 
 	if (memcpy_fromiovec(skb_put(skb, count), msg->msg_iov, count)) {
 		err = -EFAULT;
@@ -1256,11 +1256,11 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned
 		break;
 
 	case 2:
-		*val = __le16_to_cpu(*((u16 *)opt->val));
+		*val = __le16_to_cpu(*((__le16 *)opt->val));
 		break;
 
 	case 4:
-		*val = __le32_to_cpu(*((u32 *)opt->val));
+		*val = __le32_to_cpu(*((__le32 *)opt->val));
 		break;
 
 	default:
@@ -1287,11 +1287,11 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
 		break;
 
 	case 2:
-		*((u16 *) opt->val) = cpu_to_le16(val);
+		*((__le16 *) opt->val) = cpu_to_le16(val);
 		break;
 
 	case 4:
-		*((u32 *) opt->val) = cpu_to_le32(val);
+		*((__le32 *) opt->val) = cpu_to_le32(val);
 		break;
 
 	default:
@@ -1406,7 +1406,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
 	int result = 0, status = 0;
 
 	u16 dcid = 0, scid = __le16_to_cpu(req->scid);
-	u16 psm  = req->psm;
+	__le16 psm  = req->psm;
 
 	BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
 
@@ -1530,7 +1530,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
 	return 0;
 }
 
-static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
 {
 	struct l2cap_conf_req *req = (struct l2cap_conf_req *) data;
 	u16 dcid, flags;
@@ -1550,7 +1550,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 		goto unlock;
 
 	/* Reject if config buffer is too small. */
-	len = cmd->len - sizeof(*req);
+	len = cmd_len - sizeof(*req);
 	if (l2cap_pi(sk)->conf_len + len > sizeof(l2cap_pi(sk)->conf_req)) {
 		l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
 				l2cap_build_conf_rsp(sk, rsp,
@@ -1748,15 +1748,16 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
 	l2cap_raw_recv(conn, skb);
 
 	while (len >= L2CAP_CMD_HDR_SIZE) {
+		u16 cmd_len;
 		memcpy(&cmd, data, L2CAP_CMD_HDR_SIZE);
 		data += L2CAP_CMD_HDR_SIZE;
 		len  -= L2CAP_CMD_HDR_SIZE;
 
-		cmd.len = __le16_to_cpu(cmd.len);
+		cmd_len = le16_to_cpu(cmd.len);
 
-		BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd.len, cmd.ident);
+		BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len, cmd.ident);
 
-		if (cmd.len > len || !cmd.ident) {
+		if (cmd_len > len || !cmd.ident) {
 			BT_DBG("corrupted command");
 			break;
 		}
@@ -1775,7 +1776,7 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
 			break;
 
 		case L2CAP_CONF_REQ:
-			err = l2cap_config_req(conn, &cmd, data);
+			err = l2cap_config_req(conn, &cmd, cmd_len, data);
 			break;
 
 		case L2CAP_CONF_RSP:
@@ -1791,7 +1792,7 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
 			break;
 
 		case L2CAP_ECHO_REQ:
-			l2cap_send_cmd(conn, cmd.ident, L2CAP_ECHO_RSP, cmd.len, data);
+			l2cap_send_cmd(conn, cmd.ident, L2CAP_ECHO_RSP, cmd_len, data);
 			break;
 
 		case L2CAP_ECHO_RSP:
@@ -1820,8 +1821,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, struct sk_buff *sk
 			l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
 		}
 
-		data += cmd.len;
-		len  -= cmd.len;
+		data += cmd_len;
+		len  -= cmd_len;
 	}
 
 	kfree_skb(skb);
@@ -1863,7 +1864,7 @@ done:
 	return 0;
 }
 
-static inline int l2cap_conless_channel(struct l2cap_conn *conn, u16 psm, struct sk_buff *skb)
+static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
 {
 	struct sock *sk;
 
@@ -1893,7 +1894,8 @@ done:
 static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 {
 	struct l2cap_hdr *lh = (void *) skb->data;
-	u16 cid, psm, len;
+	u16 cid, len;
+	__le16 psm;
 
 	skb_pull(skb, L2CAP_HDR_SIZE);
 	cid = __le16_to_cpu(lh->cid);
@@ -1907,7 +1909,7 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 		break;
 
 	case 0x0002:
-		psm = get_unaligned((u16 *) skb->data);
+		psm = get_unaligned((__le16 *) skb->data);
 		skb_pull(skb, 2);
 		l2cap_conless_channel(conn, psm, skb);
 		break;
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 23ba61a13bdd..22a832098d44 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -267,7 +267,7 @@ static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
 out:
 	write_unlock_bh(&rfcomm_dev_lock);
 
-	if (err) {
+	if (err < 0) {
 		kfree(dev);
 		return err;
 	}
@@ -275,9 +275,10 @@ out:
 	dev->tty_dev = tty_register_device(rfcomm_tty_driver, dev->id, NULL);
 
 	if (IS_ERR(dev->tty_dev)) {
+		err = PTR_ERR(dev->tty_dev);
 		list_del(&dev->list);
 		kfree(dev);
-		return PTR_ERR(dev->tty_dev);
+		return err;
 	}
 
 	return dev->id;
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 7b4ce9113be2..b40dada002bf 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -29,35 +29,24 @@
  * Determine initial path cost based on speed.
  * using recommendations from 802.1d standard
  *
- * Need to simulate user ioctl because not all device's that support
- * ethtool, use ethtool_ops.  Also, since driver might sleep need to
- * not be holding any locks.
+ * Since driver might sleep need to not be holding any locks.
  */
 static int port_cost(struct net_device *dev)
 {
-	struct ethtool_cmd ecmd = { ETHTOOL_GSET };
-	struct ifreq ifr;
-	mm_segment_t old_fs;
-	int err;
-
-	strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
-	ifr.ifr_data = (void __user *) &ecmd;
-
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
-	err = dev_ethtool(&ifr);
-	set_fs(old_fs);
-
-	if (!err) {
-		switch(ecmd.speed) {
-		case SPEED_100:
-			return 19;
-		case SPEED_1000:
-			return 4;
-		case SPEED_10000:
-			return 2;
-		case SPEED_10:
-			return 100;
+	if (dev->ethtool_ops->get_settings) {
+		struct ethtool_cmd ecmd = { ETHTOOL_GSET };
+		int err = dev->ethtool_ops->get_settings(dev, &ecmd);
+		if (!err) {
+			switch(ecmd.speed) {
+			case SPEED_100:
+				return 19;
+			case SPEED_1000:
+				return 4;
+			case SPEED_10000:
+				return 2;
+			case SPEED_10:
+				return 100;
+			}
 		}
 	}
 
diff --git a/net/core/dev.c b/net/core/dev.c
index ee4035571c21..6cc8a70350ac 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -817,7 +817,9 @@ int dev_alloc_name(struct net_device *dev, const char *name)
  */
 int dev_change_name(struct net_device *dev, char *newname)
 {
+	char oldname[IFNAMSIZ];
 	int err = 0;
+	int ret;
 
 	ASSERT_RTNL();
 
@@ -827,6 +829,8 @@ int dev_change_name(struct net_device *dev, char *newname)
 	if (!dev_valid_name(newname))
 		return -EINVAL;
 
+	memcpy(oldname, dev->name, IFNAMSIZ);
+
 	if (strchr(newname, '%')) {
 		err = dev_alloc_name(dev, newname);
 		if (err < 0)
@@ -838,10 +842,28 @@ int dev_change_name(struct net_device *dev, char *newname)
 	else
 		strlcpy(dev->name, newname, IFNAMSIZ);
 
+rollback:
 	device_rename(&dev->dev, dev->name);
+
+	write_lock_bh(&dev_base_lock);
 	hlist_del(&dev->name_hlist);
 	hlist_add_head(&dev->name_hlist, dev_name_hash(dev->name));
-	raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev);
+	write_unlock_bh(&dev_base_lock);
+
+	ret = raw_notifier_call_chain(&netdev_chain, NETDEV_CHANGENAME, dev);
+	ret = notifier_to_errno(ret);
+
+	if (ret) {
+		if (err) {
+			printk(KERN_ERR
+			       "%s: name change rollback failed: %d.\n",
+			       dev->name, ret);
+		} else {
+			err = ret;
+			memcpy(dev->name, oldname, IFNAMSIZ);
+			goto rollback;
+		}
+	}
 
 	return err;
 }
@@ -1054,20 +1076,43 @@ int dev_close(struct net_device *dev)
 int register_netdevice_notifier(struct notifier_block *nb)
 {
 	struct net_device *dev;
+	struct net_device *last;
 	int err;
 
 	rtnl_lock();
 	err = raw_notifier_chain_register(&netdev_chain, nb);
-	if (!err) {
-		for_each_netdev(dev) {
-			nb->notifier_call(nb, NETDEV_REGISTER, dev);
+	if (err)
+		goto unlock;
 
-			if (dev->flags & IFF_UP)
-				nb->notifier_call(nb, NETDEV_UP, dev);
-		}
+	for_each_netdev(dev) {
+		err = nb->notifier_call(nb, NETDEV_REGISTER, dev);
+		err = notifier_to_errno(err);
+		if (err)
+			goto rollback;
+
+		if (!(dev->flags & IFF_UP))
+			continue;
+
+		nb->notifier_call(nb, NETDEV_UP, dev);
 	}
+
+unlock:
 	rtnl_unlock();
 	return err;
+
+rollback:
+	last = dev;
+	for_each_netdev(dev) {
+		if (dev == last)
+			break;
+
+		if (dev->flags & IFF_UP) {
+			nb->notifier_call(nb, NETDEV_GOING_DOWN, dev);
+			nb->notifier_call(nb, NETDEV_DOWN, dev);
+		}
+		nb->notifier_call(nb, NETDEV_UNREGISTER, dev);
+	}
+	goto unlock;
 }
 
 /**
@@ -2718,9 +2763,11 @@ int __dev_addr_add(struct dev_addr_list **list, int *count,
 /**
  *	dev_unicast_delete	- Release secondary unicast address.
  *	@dev: device
+ *	@addr: address to delete
+ *	@alen: length of @addr
  *
  *	Release reference to a secondary unicast address and remove it
- *	from the device if the reference count drop to zero.
+ *	from the device if the reference count drops to zero.
  *
  * 	The caller must hold the rtnl_mutex.
  */
@@ -2742,6 +2789,8 @@ EXPORT_SYMBOL(dev_unicast_delete);
 /**
  *	dev_unicast_add		- add a secondary unicast address
  *	@dev: device
+ *	@addr: address to delete
+ *	@alen: length of @addr
  *
  *	Add a secondary unicast address to the device or increase
  *	the reference count if it already exists.
@@ -3333,7 +3382,7 @@ int register_netdevice(struct net_device *dev)
 
 	if (!dev_valid_name(dev->name)) {
 		ret = -EINVAL;
-		goto out;
+		goto err_uninit;
 	}
 
 	dev->ifindex = dev_new_index();
@@ -3347,7 +3396,7 @@ int register_netdevice(struct net_device *dev)
 			= hlist_entry(p, struct net_device, name_hlist);
 		if (!strncmp(d->name, dev->name, IFNAMSIZ)) {
 			ret = -EEXIST;
-			goto out;
+			goto err_uninit;
 		}
 	}
 
@@ -3407,7 +3456,7 @@ int register_netdevice(struct net_device *dev)
 
 	ret = netdev_register_sysfs(dev);
 	if (ret)
-		goto out;
+		goto err_uninit;
 	dev->reg_state = NETREG_REGISTERED;
 
 	/*
@@ -3426,12 +3475,18 @@ int register_netdevice(struct net_device *dev)
 	write_unlock_bh(&dev_base_lock);
 
 	/* Notify protocols, that a new device appeared. */
-	raw_notifier_call_chain(&netdev_chain, NETDEV_REGISTER, dev);
-
-	ret = 0;
+	ret = raw_notifier_call_chain(&netdev_chain, NETDEV_REGISTER, dev);
+	ret = notifier_to_errno(ret);
+	if (ret)
+		unregister_netdevice(dev);
 
 out:
 	return ret;
+
+err_uninit:
+	if (dev->uninit)
+		dev->uninit(dev);
+	goto out;
 }
 
 /**
@@ -3830,9 +3885,11 @@ static int dev_cpu_callback(struct notifier_block *nfb,
 
 #ifdef CONFIG_NET_DMA
 /**
- * net_dma_rebalance -
- * This is called when the number of channels allocated to the net_dma_client
- * changes.  The net_dma_client tries to have one DMA channel per CPU.
+ * net_dma_rebalance - try to maintain one DMA channel per CPU
+ * @net_dma: DMA client and associated data (lock, channels, channel_mask)
+ *
+ * This is called when the number of channels allocated to the net_dma client
+ * changes.  The net_dma client tries to have one DMA channel per CPU.
  */
 
 static void net_dma_rebalance(struct net_dma *net_dma)
@@ -3869,7 +3926,7 @@ static void net_dma_rebalance(struct net_dma *net_dma)
  * netdev_dma_event - event callback for the net_dma_client
  * @client: should always be net_dma_client
  * @chan: DMA channel for the event
- * @event: event type
+ * @state: DMA state to be handled
  */
 static enum dma_state_client
 netdev_dma_event(struct dma_client *client, struct dma_chan *chan,
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0b531e98ec33..2ab0a60046a5 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -3,10 +3,12 @@
  * Copyright (c) 2003 Matthew Wilcox <matthew@wil.cx>
  *
  * This file is where we call all the ethtool_ops commands to get
- * the information ethtool needs.  We fall back to calling do_ioctl()
- * for drivers which haven't been converted to ethtool_ops yet.
+ * the information ethtool needs.
  *
- * It's GPL, stupid.
+ * 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.
  */
 
 #include <linux/module.h>
@@ -93,18 +95,6 @@ int ethtool_op_set_tso(struct net_device *dev, u32 data)
 	return 0;
 }
 
-int ethtool_op_get_perm_addr(struct net_device *dev, struct ethtool_perm_addr *addr, u8 *data)
-{
-	unsigned char len = dev->addr_len;
-	if ( addr->size < len )
-		return -ETOOSMALL;
-
-	addr->size = len;
-	memcpy(data, dev->perm_addr, len);
-	return 0;
-}
-
-
 u32 ethtool_op_get_ufo(struct net_device *dev)
 {
 	return (dev->features & NETIF_F_UFO) != 0;
@@ -777,34 +767,20 @@ static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
 static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_perm_addr epaddr;
-	u8 *data;
-	int ret;
-
-	if (!dev->ethtool_ops->get_perm_addr)
-		return -EOPNOTSUPP;
 
-	if (copy_from_user(&epaddr,useraddr,sizeof(epaddr)))
+	if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
 		return -EFAULT;
 
-	data = kmalloc(epaddr.size, GFP_USER);
-	if (!data)
-		return -ENOMEM;
-
-	ret = dev->ethtool_ops->get_perm_addr(dev,&epaddr,data);
-	if (ret)
-		return ret;
+	if (epaddr.size < dev->addr_len)
+		return -ETOOSMALL;
+	epaddr.size = dev->addr_len;
 
-	ret = -EFAULT;
 	if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
-		goto out;
+		return -EFAULT;
 	useraddr += sizeof(epaddr);
-	if (copy_to_user(useraddr, data, epaddr.size))
-		goto out;
-	ret = 0;
-
- out:
-	kfree(data);
-	return ret;
+	if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
+		return -EFAULT;
+	return 0;
 }
 
 /* The main entry point in this file.  Called from net/core/dev.c */
@@ -821,7 +797,7 @@ int dev_ethtool(struct ifreq *ifr)
 		return -ENODEV;
 
 	if (!dev->ethtool_ops)
-		goto ioctl;
+		return -EOPNOTSUPP;
 
 	if (copy_from_user(&ethcmd, useraddr, sizeof (ethcmd)))
 		return -EFAULT;
@@ -960,7 +936,7 @@ int dev_ethtool(struct ifreq *ifr)
 		rc = ethtool_set_gso(dev, useraddr);
 		break;
 	default:
-		rc =  -EOPNOTSUPP;
+		rc = -EOPNOTSUPP;
 	}
 
 	if (dev->ethtool_ops->complete)
@@ -970,20 +946,10 @@ int dev_ethtool(struct ifreq *ifr)
 		netdev_features_change(dev);
 
 	return rc;
-
- ioctl:
-	/* Keep existing behaviour for the moment.	 */
-	if (!capable(CAP_NET_ADMIN))
-		return -EPERM;
-
-	if (dev->do_ioctl)
-		return dev->do_ioctl(dev, ifr, SIOCETHTOOL);
-	return -EOPNOTSUPP;
 }
 
 EXPORT_SYMBOL(dev_ethtool);
 EXPORT_SYMBOL(ethtool_op_get_link);
-EXPORT_SYMBOL_GPL(ethtool_op_get_perm_addr);
 EXPORT_SYMBOL(ethtool_op_get_sg);
 EXPORT_SYMBOL(ethtool_op_get_tso);
 EXPORT_SYMBOL(ethtool_op_get_tx_csum);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index bca787fdbc51..7bae576ac115 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -567,7 +567,7 @@ static ssize_t pgctrl_write(struct file *file, const char __user * buf,
 		pktgen_run_all_threads();
 
 	else
-		printk("pktgen: Unknown command: %s\n", data);
+		printk(KERN_WARNING "pktgen: Unknown command: %s\n", data);
 
 	err = count;
 
@@ -908,14 +908,14 @@ static ssize_t pktgen_if_write(struct file *file,
 	pg_result = &(pkt_dev->result[0]);
 
 	if (count < 1) {
-		printk("pktgen: wrong command format\n");
+		printk(KERN_WARNING "pktgen: wrong command format\n");
 		return -EINVAL;
 	}
 
 	max = count - i;
 	tmp = count_trail_chars(&user_buffer[i], max);
 	if (tmp < 0) {
-		printk("pktgen: illegal format\n");
+		printk(KERN_WARNING "pktgen: illegal format\n");
 		return tmp;
 	}
 	i += tmp;
@@ -943,7 +943,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		if (copy_from_user(tb, user_buffer, count))
 			return -EFAULT;
 		tb[count] = 0;
-		printk("pktgen: %s,%lu  buffer -:%s:-\n", name,
+		printk(KERN_DEBUG "pktgen: %s,%lu  buffer -:%s:-\n", name,
 		       (unsigned long)count, tb);
 	}
 
@@ -1248,7 +1248,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->cur_daddr = pkt_dev->daddr_min;
 		}
 		if (debug)
-			printk("pktgen: dst_min set to: %s\n",
+			printk(KERN_DEBUG "pktgen: dst_min set to: %s\n",
 			       pkt_dev->dst_min);
 		i += len;
 		sprintf(pg_result, "OK: dst_min=%s", pkt_dev->dst_min);
@@ -1271,7 +1271,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->cur_daddr = pkt_dev->daddr_max;
 		}
 		if (debug)
-			printk("pktgen: dst_max set to: %s\n",
+			printk(KERN_DEBUG "pktgen: dst_max set to: %s\n",
 			       pkt_dev->dst_max);
 		i += len;
 		sprintf(pg_result, "OK: dst_max=%s", pkt_dev->dst_max);
@@ -1294,7 +1294,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		ipv6_addr_copy(&pkt_dev->cur_in6_daddr, &pkt_dev->in6_daddr);
 
 		if (debug)
-			printk("pktgen: dst6 set to: %s\n", buf);
+			printk(KERN_DEBUG "pktgen: dst6 set to: %s\n", buf);
 
 		i += len;
 		sprintf(pg_result, "OK: dst6=%s", buf);
@@ -1317,7 +1317,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		ipv6_addr_copy(&pkt_dev->cur_in6_daddr,
 			       &pkt_dev->min_in6_daddr);
 		if (debug)
-			printk("pktgen: dst6_min set to: %s\n", buf);
+			printk(KERN_DEBUG "pktgen: dst6_min set to: %s\n", buf);
 
 		i += len;
 		sprintf(pg_result, "OK: dst6_min=%s", buf);
@@ -1338,7 +1338,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		fmt_ip6(buf, pkt_dev->max_in6_daddr.s6_addr);
 
 		if (debug)
-			printk("pktgen: dst6_max set to: %s\n", buf);
+			printk(KERN_DEBUG "pktgen: dst6_max set to: %s\n", buf);
 
 		i += len;
 		sprintf(pg_result, "OK: dst6_max=%s", buf);
@@ -1361,7 +1361,7 @@ static ssize_t pktgen_if_write(struct file *file,
 		ipv6_addr_copy(&pkt_dev->cur_in6_saddr, &pkt_dev->in6_saddr);
 
 		if (debug)
-			printk("pktgen: src6 set to: %s\n", buf);
+			printk(KERN_DEBUG "pktgen: src6 set to: %s\n", buf);
 
 		i += len;
 		sprintf(pg_result, "OK: src6=%s", buf);
@@ -1382,7 +1382,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->cur_saddr = pkt_dev->saddr_min;
 		}
 		if (debug)
-			printk("pktgen: src_min set to: %s\n",
+			printk(KERN_DEBUG "pktgen: src_min set to: %s\n",
 			       pkt_dev->src_min);
 		i += len;
 		sprintf(pg_result, "OK: src_min=%s", pkt_dev->src_min);
@@ -1403,7 +1403,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->cur_saddr = pkt_dev->saddr_max;
 		}
 		if (debug)
-			printk("pktgen: src_max set to: %s\n",
+			printk(KERN_DEBUG "pktgen: src_max set to: %s\n",
 			       pkt_dev->src_max);
 		i += len;
 		sprintf(pg_result, "OK: src_max=%s", pkt_dev->src_max);
@@ -1533,7 +1533,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->svlan_id = 0xffff;
 
 			if (debug)
-				printk("pktgen: VLAN/SVLAN auto turned off\n");
+				printk(KERN_DEBUG "pktgen: VLAN/SVLAN auto turned off\n");
 		}
 		return count;
 	}
@@ -1548,10 +1548,10 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->vlan_id = value;  /* turn on VLAN */
 
 			if (debug)
-				printk("pktgen: VLAN turned on\n");
+				printk(KERN_DEBUG "pktgen: VLAN turned on\n");
 
 			if (debug && pkt_dev->nr_labels)
-				printk("pktgen: MPLS auto turned off\n");
+				printk(KERN_DEBUG "pktgen: MPLS auto turned off\n");
 
 			pkt_dev->nr_labels = 0;    /* turn off MPLS */
 			sprintf(pg_result, "OK: vlan_id=%u", pkt_dev->vlan_id);
@@ -1560,7 +1560,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->svlan_id = 0xffff;
 
 			if (debug)
-				printk("pktgen: VLAN/SVLAN turned off\n");
+				printk(KERN_DEBUG "pktgen: VLAN/SVLAN turned off\n");
 		}
 		return count;
 	}
@@ -1605,10 +1605,10 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->svlan_id = value;  /* turn on SVLAN */
 
 			if (debug)
-				printk("pktgen: SVLAN turned on\n");
+				printk(KERN_DEBUG "pktgen: SVLAN turned on\n");
 
 			if (debug && pkt_dev->nr_labels)
-				printk("pktgen: MPLS auto turned off\n");
+				printk(KERN_DEBUG "pktgen: MPLS auto turned off\n");
 
 			pkt_dev->nr_labels = 0;    /* turn off MPLS */
 			sprintf(pg_result, "OK: svlan_id=%u", pkt_dev->svlan_id);
@@ -1617,7 +1617,7 @@ static ssize_t pktgen_if_write(struct file *file,
 			pkt_dev->svlan_id = 0xffff;
 
 			if (debug)
-				printk("pktgen: VLAN/SVLAN turned off\n");
+				printk(KERN_DEBUG "pktgen: VLAN/SVLAN turned off\n");
 		}
 		return count;
 	}
@@ -1777,10 +1777,11 @@ static ssize_t pktgen_thread_write(struct file *file,
 	i += len;
 
 	if (debug)
-		printk("pktgen: t=%s, count=%lu\n", name, (unsigned long)count);
+		printk(KERN_DEBUG "pktgen: t=%s, count=%lu\n",
+		       name, (unsigned long)count);
 
 	if (!t) {
-		printk("pktgen: ERROR: No thread\n");
+		printk(KERN_ERR "pktgen: ERROR: No thread\n");
 		ret = -EINVAL;
 		goto out;
 	}
@@ -1891,8 +1892,8 @@ static void pktgen_mark_device(const char *ifname)
 		mutex_lock(&pktgen_thread_lock);
 
 		if (++i >= max_tries) {
-			printk("pktgen_mark_device: timed out after waiting "
-			       "%d msec for device %s to be removed\n",
+			printk(KERN_ERR "pktgen_mark_device: timed out after "
+			       "waiting %d msec for device %s to be removed\n",
 			       msec_per_try * i, ifname);
 			break;
 		}
@@ -1962,15 +1963,15 @@ static int pktgen_setup_dev(struct pktgen_dev *pkt_dev, const char *ifname)
 
 	odev = dev_get_by_name(ifname);
 	if (!odev) {
-		printk("pktgen: no such netdevice: \"%s\"\n", ifname);
+		printk(KERN_ERR "pktgen: no such netdevice: \"%s\"\n", ifname);
 		return -ENODEV;
 	}
 
 	if (odev->type != ARPHRD_ETHER) {
-		printk("pktgen: not an ethernet device: \"%s\"\n", ifname);
+		printk(KERN_ERR "pktgen: not an ethernet device: \"%s\"\n", ifname);
 		err = -EINVAL;
 	} else if (!netif_running(odev)) {
-		printk("pktgen: device is down: \"%s\"\n", ifname);
+		printk(KERN_ERR "pktgen: device is down: \"%s\"\n", ifname);
 		err = -ENETDOWN;
 	} else {
 		pkt_dev->odev = odev;
@@ -1987,7 +1988,8 @@ static int pktgen_setup_dev(struct pktgen_dev *pkt_dev, const char *ifname)
 static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 {
 	if (!pkt_dev->odev) {
-		printk("pktgen: ERROR: pkt_dev->odev == NULL in setup_inject.\n");
+		printk(KERN_ERR "pktgen: ERROR: pkt_dev->odev == NULL in "
+		       "setup_inject.\n");
 		sprintf(pkt_dev->result,
 			"ERROR: pkt_dev->odev == NULL in setup_inject.\n");
 		return;
@@ -2049,7 +2051,8 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
 			}
 			rcu_read_unlock();
 			if (err)
-				printk("pktgen: ERROR: IPv6 link address not availble.\n");
+				printk(KERN_ERR "pktgen: ERROR: IPv6 link "
+				       "address not availble.\n");
 		}
 #endif
 	} else {
@@ -2156,8 +2159,7 @@ static inline int f_pick(struct pktgen_dev *pkt_dev)
 /* If there was already an IPSEC SA, we keep it as is, else
  * we go look for it ...
 */
-inline
-void get_ipsec_sa(struct pktgen_dev *pkt_dev, int flow)
+static void get_ipsec_sa(struct pktgen_dev *pkt_dev, int flow)
 {
 	struct xfrm_state *x = pkt_dev->flows[flow].x;
 	if (!x) {
@@ -2441,7 +2443,8 @@ static inline int process_ipsec(struct pktgen_dev *pkt_dev,
 			if (nhead >0) {
 				ret = pskb_expand_head(skb, nhead, 0, GFP_ATOMIC);
 				if (ret < 0) {
-					printk("Error expanding ipsec packet %d\n",ret);
+					printk(KERN_ERR "Error expanding "
+					       "ipsec packet %d\n",ret);
 					return 0;
 				}
 			}
@@ -2450,7 +2453,8 @@ static inline int process_ipsec(struct pktgen_dev *pkt_dev,
 			skb_pull(skb, ETH_HLEN);
 			ret = pktgen_output_ipsec(skb, pkt_dev);
 			if (ret) {
-				printk("Error creating ipsec packet %d\n",ret);
+				printk(KERN_ERR "Error creating ipsec "
+				       "packet %d\n",ret);
 				kfree_skb(skb);
 				return 0;
 			}
@@ -3184,8 +3188,8 @@ static int pktgen_stop_device(struct pktgen_dev *pkt_dev)
 	int nr_frags = pkt_dev->skb ? skb_shinfo(pkt_dev->skb)->nr_frags : -1;
 
 	if (!pkt_dev->running) {
-		printk("pktgen: interface: %s is already stopped\n",
-		       pkt_dev->odev->name);
+		printk(KERN_WARNING "pktgen: interface: %s is already "
+		       "stopped\n", pkt_dev->odev->name);
 		return -EINVAL;
 	}
 
@@ -3360,7 +3364,8 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
 
 			pkt_dev->skb = fill_packet(odev, pkt_dev);
 			if (pkt_dev->skb == NULL) {
-				printk("pktgen: ERROR: couldn't allocate skb in fill_packet.\n");
+				printk(KERN_ERR "pktgen: ERROR: couldn't "
+				       "allocate skb in fill_packet.\n");
 				schedule();
 				pkt_dev->clone_count--;	/* back out increment, OOM */
 				goto out;
@@ -3565,7 +3570,8 @@ static int add_dev_to_thread(struct pktgen_thread *t,
 	if_lock(t);
 
 	if (pkt_dev->pg_thread) {
-		printk("pktgen: ERROR:  already assigned to a thread.\n");
+		printk(KERN_ERR "pktgen: ERROR: already assigned "
+		       "to a thread.\n");
 		rv = -EBUSY;
 		goto out;
 	}
@@ -3590,7 +3596,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 
 	pkt_dev = __pktgen_NN_threads(ifname, FIND);
 	if (pkt_dev) {
-		printk("pktgen: ERROR: interface already used.\n");
+		printk(KERN_ERR "pktgen: ERROR: interface already used.\n");
 		return -EBUSY;
 	}
 
@@ -3632,7 +3638,7 @@ static int pktgen_add_device(struct pktgen_thread *t, const char *ifname)
 
 	pkt_dev->entry = create_proc_entry(ifname, 0600, pg_proc_dir);
 	if (!pkt_dev->entry) {
-		printk("pktgen: cannot create %s/%s procfs entry.\n",
+		printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n",
 		       PG_PROC_DIR, ifname);
 		err = -EINVAL;
 		goto out2;
@@ -3665,7 +3671,8 @@ static int __init pktgen_create_thread(int cpu)
 
 	t = kzalloc(sizeof(struct pktgen_thread), GFP_KERNEL);
 	if (!t) {
-		printk("pktgen: ERROR: out of memory, can't create new thread.\n");
+		printk(KERN_ERR "pktgen: ERROR: out of memory, can't "
+		       "create new thread.\n");
 		return -ENOMEM;
 	}
 
@@ -3678,7 +3685,8 @@ static int __init pktgen_create_thread(int cpu)
 
 	p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
 	if (IS_ERR(p)) {
-		printk("pktgen: kernel_thread() failed for cpu %d\n", t->cpu);
+		printk(KERN_ERR "pktgen: kernel_thread() failed "
+		       "for cpu %d\n", t->cpu);
 		list_del(&t->th_list);
 		kfree(t);
 		return PTR_ERR(p);
@@ -3688,7 +3696,7 @@ static int __init pktgen_create_thread(int cpu)
 
 	pe = create_proc_entry(t->tsk->comm, 0600, pg_proc_dir);
 	if (!pe) {
-		printk("pktgen: cannot create %s/%s procfs entry.\n",
+		printk(KERN_ERR "pktgen: cannot create %s/%s procfs entry.\n",
 		       PG_PROC_DIR, t->tsk->comm);
 		kthread_stop(p);
 		list_del(&t->th_list);
@@ -3727,7 +3735,8 @@ static int pktgen_remove_device(struct pktgen_thread *t,
 	pr_debug("pktgen: remove_device pkt_dev=%p\n", pkt_dev);
 
 	if (pkt_dev->running) {
-		printk("pktgen:WARNING: trying to remove a running interface, stopping it now.\n");
+		printk(KERN_WARNING "pktgen: WARNING: trying to remove a "
+		       "running interface, stopping it now.\n");
 		pktgen_stop_device(pkt_dev);
 	}
 
@@ -3759,7 +3768,7 @@ static int __init pg_init(void)
 	int cpu;
 	struct proc_dir_entry *pe;
 
-	printk(version);
+	printk(KERN_INFO "%s", version);
 
 	pg_proc_dir = proc_mkdir(PG_PROC_DIR, proc_net);
 	if (!pg_proc_dir)
@@ -3768,8 +3777,8 @@ static int __init pg_init(void)
 
 	pe = create_proc_entry(PGCTRL, 0600, pg_proc_dir);
 	if (pe == NULL) {
-		printk("pktgen: ERROR: cannot create %s procfs entry.\n",
-		       PGCTRL);
+		printk(KERN_ERR "pktgen: ERROR: cannot create %s "
+		       "procfs entry.\n", PGCTRL);
 		proc_net_remove(PG_PROC_DIR);
 		return -EINVAL;
 	}
@@ -3785,12 +3794,13 @@ static int __init pg_init(void)
 
 		err = pktgen_create_thread(cpu);
 		if (err)
-			printk("pktgen: WARNING: Cannot create thread for cpu %d (%d)\n",
-					cpu, err);
+			printk(KERN_WARNING "pktgen: WARNING: Cannot create "
+			       "thread for cpu %d (%d)\n", cpu, err);
 	}
 
 	if (list_empty(&pktgen_threads)) {
-		printk("pktgen: ERROR: Initialization failed for all threads\n");
+		printk(KERN_ERR "pktgen: ERROR: Initialization failed for "
+		       "all threads\n");
 		unregister_netdevice_notifier(&pktgen_notifier_block);
 		remove_proc_entry(PGCTRL, pg_proc_dir);
 		proc_net_remove(PG_PROC_DIR);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 06eccca8cb5d..4756d5857abf 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -952,7 +952,9 @@ static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
 	struct nlattr *linkinfo[IFLA_INFO_MAX+1];
 	int err;
 
+#ifdef CONFIG_KMOD
 replay:
+#endif
 	err = nlmsg_parse(nlh, sizeof(*ifm), tb, IFLA_MAX, ifla_policy);
 	if (err < 0)
 		return err;
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index f2a61ef2af9c..a4a620971ef0 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1737,8 +1737,9 @@ static int dn_rt_cache_seq_open(struct inode *inode, struct file *file)
 {
 	struct seq_file *seq;
 	int rc = -ENOMEM;
-	struct dn_rt_cache_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+	struct dn_rt_cache_iter_state *s;
 
+	s = kzalloc(sizeof(*s), GFP_KERNEL);
 	if (!s)
 		goto out;
 	rc = seq_open(file, &dn_rt_cache_seq_ops);
@@ -1746,7 +1747,6 @@ static int dn_rt_cache_seq_open(struct inode *inode, struct file *file)
 		goto out_kfree;
 	seq		= file->private_data;
 	seq->private	= s;
-	memset(s, 0, sizeof(*s));
 out:
 	return rc;
 out_kfree:
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index abf6352f990f..5b77bdaa57dd 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1056,10 +1056,9 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
 	if (!in_dev) {
 		if (event == NETDEV_REGISTER) {
 			in_dev = inetdev_init(dev);
+			if (!in_dev)
+				return notifier_from_errno(-ENOMEM);
 			if (dev == &loopback_dev) {
-				if (!in_dev)
-					panic("devinet: "
-					      "Failed to create loopback\n");
 				IN_DEV_CONF_SET(in_dev, NOXFRM, 1);
 				IN_DEV_CONF_SET(in_dev, NOPOLICY, 1);
 			}
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 251346828cb4..2f14745a9e1f 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -513,11 +513,8 @@ void ip_options_undo(struct ip_options * opt)
 
 static struct ip_options *ip_options_get_alloc(const int optlen)
 {
-	struct ip_options *opt = kmalloc(sizeof(*opt) + ((optlen + 3) & ~3),
-					 GFP_KERNEL);
-	if (opt)
-		memset(opt, 0, sizeof(*opt));
-	return opt;
+	return kzalloc(sizeof(struct ip_options) + ((optlen + 3) & ~3),
+		       GFP_KERNEL);
 }
 
 static int ip_options_get_finish(struct ip_options **optp,
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c
index 900ce29db382..666e080a74a3 100644
--- a/net/ipv4/ipvs/ip_vs_xmit.c
+++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -128,7 +128,7 @@ ip_vs_dst_reset(struct ip_vs_dest *dest)
 #define IP_VS_XMIT(skb, rt)				\
 do {							\
 	(skb)->ipvs_property = 1;			\
-	(skb)->ip_summed = CHECKSUM_NONE;		\
+	skb_forward_csum(skb);				\
 	NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, (skb), NULL,	\
 		(rt)->u.dst.dev, dst_output);		\
 } while (0)
diff --git a/net/ipv4/tcp_bic.c b/net/ipv4/tcp_bic.c
index 519de091a94d..4586211e3757 100644
--- a/net/ipv4/tcp_bic.c
+++ b/net/ipv4/tcp_bic.c
@@ -206,7 +206,7 @@ static void bictcp_state(struct sock *sk, u8 new_state)
 /* Track delayed acknowledgment ratio using sliding window
  * ratio = (15*ratio + sample) / 16
  */
-static void bictcp_acked(struct sock *sk, u32 cnt, ktime_t last)
+static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
 
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index d17da30d82d6..485d7ea35f75 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -246,38 +246,12 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
 		ca->cnt = 1;
 }
 
-
-/* Keep track of minimum rtt */
-static inline void measure_delay(struct sock *sk)
-{
-	const struct tcp_sock *tp = tcp_sk(sk);
-	struct bictcp *ca = inet_csk_ca(sk);
-	u32 delay;
-
-	/* No time stamp */
-	if (!(tp->rx_opt.saw_tstamp && tp->rx_opt.rcv_tsecr) ||
-	     /* Discard delay samples right after fast recovery */
-	    (s32)(tcp_time_stamp - ca->epoch_start) < HZ)
-		return;
-
-	delay = (tcp_time_stamp - tp->rx_opt.rcv_tsecr)<<3;
-	if (delay == 0)
-		delay = 1;
-
-	/* first time call or link delay decreases */
-	if (ca->delay_min == 0 || ca->delay_min > delay)
-		ca->delay_min = delay;
-}
-
 static void bictcp_cong_avoid(struct sock *sk, u32 ack,
 			      u32 in_flight, int data_acked)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct bictcp *ca = inet_csk_ca(sk);
 
-	if (data_acked)
-		measure_delay(sk);
-
 	if (!tcp_is_cwnd_limited(sk, in_flight))
 		return;
 
@@ -334,17 +308,33 @@ static void bictcp_state(struct sock *sk, u8 new_state)
 /* Track delayed acknowledgment ratio using sliding window
  * ratio = (15*ratio + sample) / 16
  */
-static void bictcp_acked(struct sock *sk, u32 cnt, ktime_t last)
+static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
+	struct bictcp *ca = inet_csk_ca(sk);
+	u32 delay;
 
 	if (cnt > 0 && icsk->icsk_ca_state == TCP_CA_Open) {
-		struct bictcp *ca = inet_csk_ca(sk);
 		cnt -= ca->delayed_ack >> ACK_RATIO_SHIFT;
 		ca->delayed_ack += cnt;
 	}
-}
 
+	/* Some calls are for duplicates without timetamps */
+	if (rtt_us < 0)
+		return;
+
+	/* Discard delay samples right after fast recovery */
+	if ((s32)(tcp_time_stamp - ca->epoch_start) < HZ)
+		return;
+
+	delay = usecs_to_jiffies(rtt_us) << 3;
+	if (delay == 0)
+		delay = 1;
+
+	/* first time call or link delay decreases */
+	if (ca->delay_min == 0 || ca->delay_min > delay)
+		ca->delay_min = delay;
+}
 
 static struct tcp_congestion_ops cubictcp = {
 	.init		= bictcp_init,
diff --git a/net/ipv4/tcp_htcp.c b/net/ipv4/tcp_htcp.c
index 08a02e6045c9..b66556c0a5bd 100644
--- a/net/ipv4/tcp_htcp.c
+++ b/net/ipv4/tcp_htcp.c
@@ -76,12 +76,11 @@ static u32 htcp_cwnd_undo(struct sock *sk)
 	return max(tp->snd_cwnd, (tp->snd_ssthresh << 7) / ca->beta);
 }
 
-static inline void measure_rtt(struct sock *sk)
+static inline void measure_rtt(struct sock *sk, u32 srtt)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
 	const struct tcp_sock *tp = tcp_sk(sk);
 	struct htcp *ca = inet_csk_ca(sk);
-	u32 srtt = tp->srtt >> 3;
 
 	/* keep track of minimum RTT seen so far, minRTT is zero at first */
 	if (ca->minRTT > srtt || !ca->minRTT)
@@ -98,7 +97,7 @@ static inline void measure_rtt(struct sock *sk)
 	}
 }
 
-static void measure_achieved_throughput(struct sock *sk, u32 pkts_acked, ktime_t last)
+static void measure_achieved_throughput(struct sock *sk, u32 pkts_acked, s32 rtt)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
 	const struct tcp_sock *tp = tcp_sk(sk);
@@ -108,6 +107,9 @@ static void measure_achieved_throughput(struct sock *sk, u32 pkts_acked, ktime_t
 	if (icsk->icsk_ca_state == TCP_CA_Open)
 		ca->pkts_acked = pkts_acked;
 
+	if (rtt > 0)
+		measure_rtt(sk, usecs_to_jiffies(rtt));
+
 	if (!use_bandwidth_switch)
 		return;
 
@@ -237,8 +239,6 @@ static void htcp_cong_avoid(struct sock *sk, u32 ack,
 	if (tp->snd_cwnd <= tp->snd_ssthresh)
 		tcp_slow_start(tp);
 	else {
-		measure_rtt(sk);
-
 		/* In dangerous area, increase slowly.
 		 * In theory this is tp->snd_cwnd += alpha / tp->snd_cwnd
 		 */
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
index cc5de6f69d46..64f1cbaf96e8 100644
--- a/net/ipv4/tcp_illinois.c
+++ b/net/ipv4/tcp_illinois.c
@@ -83,18 +83,16 @@ static void tcp_illinois_init(struct sock *sk)
 }
 
 /* Measure RTT for each ack. */
-static void tcp_illinois_acked(struct sock *sk, u32 pkts_acked, ktime_t last)
+static void tcp_illinois_acked(struct sock *sk, u32 pkts_acked, s32 rtt)
 {
 	struct illinois *ca = inet_csk_ca(sk);
-	u32 rtt;
 
 	ca->acked = pkts_acked;
 
-	if (ktime_equal(last, net_invalid_timestamp()))
+	/* dup ack, no rtt sample */
+	if (rtt < 0)
 		return;
 
-	rtt = ktime_to_us(net_timedelta(last));
-
 	/* ignore bogus values, this prevents wraparound in alpha math */
 	if (rtt > RTT_MAX)
 		rtt = RTT_MAX;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index fec8a7a4dbaf..378ca8a086a3 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1851,19 +1851,22 @@ static inline u32 tcp_cwnd_min(const struct sock *sk)
 }
 
 /* Decrease cwnd each second ack. */
-static void tcp_cwnd_down(struct sock *sk)
+static void tcp_cwnd_down(struct sock *sk, int flag)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	int decr = tp->snd_cwnd_cnt + 1;
 
-	tp->snd_cwnd_cnt = decr&1;
-	decr >>= 1;
+	if ((flag&FLAG_FORWARD_PROGRESS) ||
+	    (IsReno(tp) && !(flag&FLAG_NOT_DUP))) {
+		tp->snd_cwnd_cnt = decr&1;
+		decr >>= 1;
 
-	if (decr && tp->snd_cwnd > tcp_cwnd_min(sk))
-		tp->snd_cwnd -= decr;
+		if (decr && tp->snd_cwnd > tcp_cwnd_min(sk))
+			tp->snd_cwnd -= decr;
 
-	tp->snd_cwnd = min(tp->snd_cwnd, tcp_packets_in_flight(tp)+1);
-	tp->snd_cwnd_stamp = tcp_time_stamp;
+		tp->snd_cwnd = min(tp->snd_cwnd, tcp_packets_in_flight(tp)+1);
+		tp->snd_cwnd_stamp = tcp_time_stamp;
+	}
 }
 
 /* Nothing was retransmitted or returned timestamp is less
@@ -2060,7 +2063,7 @@ static void tcp_try_to_open(struct sock *sk, int flag)
 		}
 		tcp_moderate_cwnd(tp);
 	} else {
-		tcp_cwnd_down(sk);
+		tcp_cwnd_down(sk, flag);
 	}
 }
 
@@ -2109,7 +2112,10 @@ tcp_fastretrans_alert(struct sock *sk, u32 prior_snd_una,
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
-	int is_dupack = (tp->snd_una == prior_snd_una && !(flag&FLAG_NOT_DUP));
+	int is_dupack = (tp->snd_una == prior_snd_una &&
+			 (!(flag&FLAG_NOT_DUP) ||
+			  ((flag&FLAG_DATA_SACKED) &&
+			   (tp->fackets_out > tp->reordering))));
 
 	/* Some technical things:
 	 * 1. Reno does not count dupacks (sacked_out) automatically. */
@@ -2260,7 +2266,7 @@ tcp_fastretrans_alert(struct sock *sk, u32 prior_snd_una,
 
 	if (is_dupack || tcp_head_timedout(sk))
 		tcp_update_scoreboard(sk);
-	tcp_cwnd_down(sk);
+	tcp_cwnd_down(sk, flag);
 	tcp_xmit_retransmit_queue(sk);
 }
 
@@ -2490,12 +2496,23 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p)
 		tcp_ack_update_rtt(sk, acked, seq_rtt);
 		tcp_ack_packets_out(sk);
 
-		/* Is the ACK triggering packet unambiguous? */
-		if (acked & FLAG_RETRANS_DATA_ACKED)
-			last_ackt = net_invalid_timestamp();
+		if (ca_ops->pkts_acked) {
+			s32 rtt_us = -1;
+
+			/* Is the ACK triggering packet unambiguous? */
+			if (!(acked & FLAG_RETRANS_DATA_ACKED)) {
+				/* High resolution needed and available? */
+				if (ca_ops->flags & TCP_CONG_RTT_STAMP &&
+				    !ktime_equal(last_ackt,
+						 net_invalid_timestamp()))
+					rtt_us = ktime_us_delta(ktime_get_real(),
+								last_ackt);
+				else if (seq_rtt > 0)
+					rtt_us = jiffies_to_usecs(seq_rtt);
+			}
 
-		if (ca_ops->pkts_acked)
-			ca_ops->pkts_acked(sk, pkts_acked, last_ackt);
+			ca_ops->pkts_acked(sk, pkts_acked, rtt_us);
+		}
 	}
 
 #if FASTRETRANS_DEBUG > 0
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index 80e140e3ec2d..e7f5ef92cbd8 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -260,13 +260,13 @@ static void tcp_lp_rtt_sample(struct sock *sk, u32 rtt)
  * newReno in increase case.
  * We work it out by following the idea from TCP-LP's paper directly
  */
-static void tcp_lp_pkts_acked(struct sock *sk, u32 num_acked, ktime_t last)
+static void tcp_lp_pkts_acked(struct sock *sk, u32 num_acked, s32 rtt_us)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct lp *lp = inet_csk_ca(sk);
 
-	if (!ktime_equal(last, net_invalid_timestamp()))
-		tcp_lp_rtt_sample(sk,  ktime_to_us(net_timedelta(last)));
+	if (rtt_us > 0)
+		tcp_lp_rtt_sample(sk, rtt_us);
 
 	/* calc inference */
 	if (tcp_time_stamp > tp->rx_opt.rcv_tsecr)
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index 914e0307f7af..b49dedcda52d 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -112,16 +112,16 @@ EXPORT_SYMBOL_GPL(tcp_vegas_init);
  *   o min-filter RTT samples from a much longer window (forever for now)
  *     to find the propagation delay (baseRTT)
  */
-void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last)
+void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, s32 rtt_us)
 {
 	struct vegas *vegas = inet_csk_ca(sk);
 	u32 vrtt;
 
-	if (ktime_equal(last, net_invalid_timestamp()))
+	if (rtt_us < 0)
 		return;
 
 	/* Never allow zero rtt or baseRTT */
-	vrtt = ktime_to_us(net_timedelta(last)) + 1;
+	vrtt = rtt_us + 1;
 
 	/* Filter to find propagation delay: */
 	if (vrtt < vegas->baseRTT)
diff --git a/net/ipv4/tcp_vegas.h b/net/ipv4/tcp_vegas.h
index 502fa8183634..6c0eea2f8249 100644
--- a/net/ipv4/tcp_vegas.h
+++ b/net/ipv4/tcp_vegas.h
@@ -17,7 +17,7 @@ struct vegas {
 
 extern void tcp_vegas_init(struct sock *sk);
 extern void tcp_vegas_state(struct sock *sk, u8 ca_state);
-extern void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, ktime_t last);
+extern void tcp_vegas_pkts_acked(struct sock *sk, u32 cnt, s32 rtt_us);
 extern void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event);
 extern void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb);
 
diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index 7a55ddf86032..8fb2aee0b1a4 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -69,16 +69,16 @@ static void tcp_veno_init(struct sock *sk)
 }
 
 /* Do rtt sampling needed for Veno. */
-static void tcp_veno_pkts_acked(struct sock *sk, u32 cnt, ktime_t last)
+static void tcp_veno_pkts_acked(struct sock *sk, u32 cnt, s32 rtt_us)
 {
 	struct veno *veno = inet_csk_ca(sk);
 	u32 vrtt;
 
-	if (ktime_equal(last, net_invalid_timestamp()))
+	if (rtt_us < 0)
 		return;
 
 	/* Never allow zero rtt or baseRTT */
-	vrtt = ktime_to_us(net_timedelta(last)) + 1;
+	vrtt = rtt_us + 1;
 
 	/* Filter to find propagation delay: */
 	if (vrtt < veno->basertt)
diff --git a/net/ipv4/tcp_westwood.c b/net/ipv4/tcp_westwood.c
index e61e09dd513e..20151d6a6241 100644
--- a/net/ipv4/tcp_westwood.c
+++ b/net/ipv4/tcp_westwood.c
@@ -100,11 +100,12 @@ static void westwood_filter(struct westwood *w, u32 delta)
  * Called after processing group of packets.
  * but all westwood needs is the last sample of srtt.
  */
-static void tcp_westwood_pkts_acked(struct sock *sk, u32 cnt, ktime_t last)
+static void tcp_westwood_pkts_acked(struct sock *sk, u32 cnt, s32 rtt)
 {
 	struct westwood *w = inet_csk_ca(sk);
-	if (cnt > 0)
-		w->rtt = tcp_sk(sk)->srtt >> 3;
+
+	if (rtt > 0)
+		w->rtt = usecs_to_jiffies(rtt);
 }
 
 /*
diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index c04b7c6ec702..c107fba7430e 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -58,7 +58,7 @@ static void tcp_yeah_init(struct sock *sk)
 }
 
 
-static void tcp_yeah_pkts_acked(struct sock *sk, u32 pkts_acked, ktime_t last)
+static void tcp_yeah_pkts_acked(struct sock *sk, u32 pkts_acked, s32 rtt_us)
 {
 	const struct inet_connection_sock *icsk = inet_csk(sk);
 	struct yeah *yeah = inet_csk_ca(sk);
@@ -66,7 +66,7 @@ static void tcp_yeah_pkts_acked(struct sock *sk, u32 pkts_acked, ktime_t last)
 	if (icsk->icsk_ca_state == TCP_CA_Open)
 		yeah->pkts_acked = pkts_acked;
 
-	tcp_vegas_pkts_acked(sk, pkts_acked, last);
+	tcp_vegas_pkts_acked(sk, pkts_acked, rtt_us);
 }
 
 static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack,
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 06012920912a..91ef3be5abad 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2256,14 +2256,14 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 	struct net_device *dev = (struct net_device *) data;
 	struct inet6_dev *idev = __in6_dev_get(dev);
 	int run_pending = 0;
+	int err;
 
 	switch(event) {
 	case NETDEV_REGISTER:
 		if (!idev && dev->mtu >= IPV6_MIN_MTU) {
 			idev = ipv6_add_dev(dev);
 			if (!idev)
-				printk(KERN_WARNING "IPv6: add_dev failed for %s\n",
-					dev->name);
+				return notifier_from_errno(-ENOMEM);
 		}
 		break;
 	case NETDEV_UP:
@@ -2373,7 +2373,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 					      NULL);
 			addrconf_sysctl_register(idev, &idev->cnf);
 #endif
-			snmp6_register_dev(idev);
+			err = snmp6_register_dev(idev);
+			if (err)
+				return notifier_from_errno(err);
 		}
 		break;
 	}
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index faaefb692298..3f82e9542eda 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -50,6 +50,9 @@ int __ipv6_addr_type(const struct in6_addr *addr)
 	if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000))
 		return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST |
 			IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_SITELOCAL));		/* addr-select 3.1 */
+	if ((st & htonl(0xFE000000)) == htonl(0xFC000000))
+		return (IPV6_ADDR_UNICAST |
+			IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL));			/* RFC 4193 */
 
 	if ((addr->s6_addr32[0] | addr->s6_addr32[1]) == 0) {
 		if (addr->s6_addr32[2] == 0) {
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 36df2218b669..3153e15e0f7c 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -86,8 +86,8 @@ static int ipv6_print_conntrack(struct seq_file *s,
  *        - Note also special handling of AUTH header. Thanks to IPsec wizards.
  */
 
-int nf_ct_ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
-			   int len)
+static int nf_ct_ipv6_skip_exthdr(const struct sk_buff *skb, int start,
+				  u8 *nexthdrp, int len)
 {
 	u8 nexthdr = *nexthdrp;
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 919de682b331..55ea80fac601 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1983,9 +1983,10 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
 	    !dst_metric_locked(&rt->u.dst, RTAX_MTU) &&
 	    (dst_mtu(&rt->u.dst) > arg->mtu ||
 	     (dst_mtu(&rt->u.dst) < arg->mtu &&
-	      dst_mtu(&rt->u.dst) == idev->cnf.mtu6)))
+	      dst_mtu(&rt->u.dst) == idev->cnf.mtu6))) {
 		rt->u.dst.metrics[RTAX_MTU-1] = arg->mtu;
-	rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(arg->mtu);
+		rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(arg->mtu);
+	}
 	return 0;
 }
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 13c09bc32aa3..dee0d5fb39c5 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -380,6 +380,10 @@ void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n)
 		return;
 	while ((parentid = sch->parent)) {
 		sch = qdisc_lookup(sch->dev, TC_H_MAJ(parentid));
+		if (sch == NULL) {
+			WARN_ON(parentid != TC_H_ROOT);
+			return;
+		}
 		cops = sch->ops->cl_ops;
 		if (cops->qlen_notify) {
 			cl = cops->get(sch, parentid);
@@ -420,8 +424,6 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 			unsigned long cl = cops->get(parent, classid);
 			if (cl) {
 				err = cops->graft(parent, cl, new, old);
-				if (new)
-					new->parent = classid;
 				cops->put(parent, cl);
 			}
 		}
@@ -436,7 +438,8 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
  */
 
 static struct Qdisc *
-qdisc_create(struct net_device *dev, u32 handle, struct rtattr **tca, int *errp)
+qdisc_create(struct net_device *dev, u32 parent, u32 handle,
+	   struct rtattr **tca, int *errp)
 {
 	int err;
 	struct rtattr *kind = tca[TCA_KIND-1];
@@ -482,6 +485,8 @@ qdisc_create(struct net_device *dev, u32 handle, struct rtattr **tca, int *errp)
 		goto err_out2;
 	}
 
+	sch->parent = parent;
+
 	if (handle == TC_H_INGRESS) {
 		sch->flags |= TCQ_F_INGRESS;
 		sch->stats_lock = &dev->ingress_lock;
@@ -758,9 +763,11 @@ create_n_graft:
 	if (!(n->nlmsg_flags&NLM_F_CREATE))
 		return -ENOENT;
 	if (clid == TC_H_INGRESS)
-		q = qdisc_create(dev, tcm->tcm_parent, tca, &err);
+		q = qdisc_create(dev, tcm->tcm_parent, tcm->tcm_parent,
+				 tca, &err);
 	else
-		q = qdisc_create(dev, tcm->tcm_handle, tca, &err);
+		q = qdisc_create(dev, tcm->tcm_parent, tcm->tcm_handle,
+				 tca, &err);
 	if (q == NULL) {
 		if (err == -EAGAIN)
 			goto replay;
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index 51f16b0af198..2d32fd27496e 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -158,9 +158,8 @@ static int ingress_enqueue(struct sk_buff *skb,struct Qdisc *sch)
 			break;
 		case TC_ACT_RECLASSIFY:
 		case TC_ACT_OK:
-		case TC_ACT_UNSPEC:
-		default:
 			skb->tc_index = TC_H_MIN(res.classid);
+		default:
 			result = TC_ACT_OK;
 			break;
 	}
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 2d8c08493d6e..4a49db65772e 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -38,9 +38,11 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
 	struct prio_sched_data *q = qdisc_priv(sch);
 	u32 band = skb->priority;
 	struct tcf_result res;
+	int err;
 
 	*qerr = NET_XMIT_BYPASS;
 	if (TC_H_MAJ(skb->priority) != sch->handle) {
+		err = tc_classify(skb, q->filter_list, &res);
 #ifdef CONFIG_NET_CLS_ACT
 		switch (tc_classify(skb, q->filter_list, &res)) {
 		case TC_ACT_STOLEN:
@@ -49,11 +51,8 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
 		case TC_ACT_SHOT:
 			return NULL;
 		}
-
-		if (!q->filter_list ) {
-#else
-		if (!q->filter_list || tc_classify(skb, q->filter_list, &res)) {
 #endif
+		if (!q->filter_list || err < 0) {
 			if (TC_H_MAJ(band))
 				band = 0;
 			band = q->prio2band[band&TC_PRIO_MAX];
@@ -239,11 +238,13 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt)
 	/* If we're multiqueue, make sure the number of incoming bands
 	 * matches the number of queues on the device we're associating with.
 	 * If the number of bands requested is zero, then set q->bands to
-	 * dev->egress_subqueue_count.
+	 * dev->egress_subqueue_count.  Also, the root qdisc must be the
+	 * only one that is enabled for multiqueue, since it's the only one
+	 * that interacts with the underlying device.
 	 */
 	q->mq = RTA_GET_FLAG(tb[TCA_PRIO_MQ - 1]);
 	if (q->mq) {
-		if (sch->handle != TC_H_ROOT)
+		if (sch->parent != TC_H_ROOT)
 			return -EINVAL;
 		if (netif_is_multiqueue(sch->dev)) {
 			if (q->bands == 0)
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 5adfdfd49d61..1d674e0848fa 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -423,6 +423,17 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer,
 		return NULL;
 	}
 
+	if (LINK_LOG_BUF_SIZE) {
+		char *pb = kmalloc(LINK_LOG_BUF_SIZE, GFP_ATOMIC);
+
+		if (!pb) {
+			kfree(l_ptr);
+			warn("Link creation failed, no memory for print buffer\n");
+			return NULL;
+		}
+		tipc_printbuf_init(&l_ptr->print_buf, pb, LINK_LOG_BUF_SIZE);
+	}
+
 	l_ptr->addr = peer;
 	if_name = strchr(b_ptr->publ.name, ':') + 1;
 	sprintf(l_ptr->name, "%u.%u.%u:%s-%u.%u.%u:",
@@ -432,8 +443,6 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer,
 		tipc_zone(peer), tipc_cluster(peer), tipc_node(peer));
 		/* note: peer i/f is appended to link name by reset/activate */
 	memcpy(&l_ptr->media_addr, media_addr, sizeof(*media_addr));
-	k_init_timer(&l_ptr->timer, (Handler)link_timeout, (unsigned long)l_ptr);
-	list_add_tail(&l_ptr->link_list, &b_ptr->links);
 	l_ptr->checkpoint = 1;
 	l_ptr->b_ptr = b_ptr;
 	link_set_supervision_props(l_ptr, b_ptr->media->tolerance);
@@ -459,21 +468,14 @@ struct link *tipc_link_create(struct bearer *b_ptr, const u32 peer,
 
 	l_ptr->owner = tipc_node_attach_link(l_ptr);
 	if (!l_ptr->owner) {
+		if (LINK_LOG_BUF_SIZE)
+			kfree(l_ptr->print_buf.buf);
 		kfree(l_ptr);
 		return NULL;
 	}
 
-	if (LINK_LOG_BUF_SIZE) {
-		char *pb = kmalloc(LINK_LOG_BUF_SIZE, GFP_ATOMIC);
-
-		if (!pb) {
-			kfree(l_ptr);
-			warn("Link creation failed, no memory for print buffer\n");
-			return NULL;
-		}
-		tipc_printbuf_init(&l_ptr->print_buf, pb, LINK_LOG_BUF_SIZE);
-	}
-
+	k_init_timer(&l_ptr->timer, (Handler)link_timeout, (unsigned long)l_ptr);
+	list_add_tail(&l_ptr->link_list, &b_ptr->links);
 	tipc_k_signal((Handler)tipc_link_start, (unsigned long)l_ptr);
 
 	dbg("tipc_link_create(): tolerance = %u,cont intv = %u, abort_limit = %u\n",
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 65ebccc0a698..a05c34260e70 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -118,14 +118,40 @@
 
 int sysctl_unix_max_dgram_qlen __read_mostly = 10;
 
-struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
-DEFINE_SPINLOCK(unix_table_lock);
+static struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
+static DEFINE_SPINLOCK(unix_table_lock);
 static atomic_t unix_nr_socks = ATOMIC_INIT(0);
 
 #define unix_sockets_unbound	(&unix_socket_table[UNIX_HASH_SIZE])
 
 #define UNIX_ABSTRACT(sk)	(unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
 
+static struct sock *first_unix_socket(int *i)
+{
+	for (*i = 0; *i <= UNIX_HASH_SIZE; (*i)++) {
+		if (!hlist_empty(&unix_socket_table[*i]))
+			return __sk_head(&unix_socket_table[*i]);
+	}
+	return NULL;
+}
+
+static struct sock *next_unix_socket(int *i, struct sock *s)
+{
+	struct sock *next = sk_next(s);
+	/* More in this chain? */
+	if (next)
+		return next;
+	/* Look for next non-empty chain. */
+	for ((*i)++; *i <= UNIX_HASH_SIZE; (*i)++) {
+		if (!hlist_empty(&unix_socket_table[*i]))
+			return __sk_head(&unix_socket_table[*i]);
+	}
+	return NULL;
+}
+
+#define forall_unix_sockets(i, s) \
+	for (s = first_unix_socket(&(i)); s; s = next_unix_socket(&(i),(s)))
+
 #ifdef CONFIG_SECURITY_NETWORK
 static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
 {
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index c3a4b0a18687..95a47304336d 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1299,7 +1299,8 @@ xfrm_tmpl_resolve_one(struct xfrm_policy *policy, struct flowi *fl,
 		xfrm_address_t *local  = saddr;
 		struct xfrm_tmpl *tmpl = &policy->xfrm_vec[i];
 
-		if (tmpl->mode == XFRM_MODE_TUNNEL) {
+		if (tmpl->mode == XFRM_MODE_TUNNEL ||
+		    tmpl->mode == XFRM_MODE_BEET) {
 			remote = &tmpl->id.daddr;
 			local = &tmpl->saddr;
 			family = tmpl->encap_family;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 38f90ca75b1e..31be405efb55 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -611,7 +611,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
 			      selector.
 			 */
 			if (x->km.state == XFRM_STATE_VALID) {
-				if (!xfrm_selector_match(&x->sel, fl, family) ||
+				if (!xfrm_selector_match(&x->sel, fl, x->sel.family) ||
 				    !security_xfrm_state_pol_flow_match(x, pol, fl))
 					continue;
 				if (!best ||
@@ -623,7 +623,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
 				acquire_in_progress = 1;
 			} else if (x->km.state == XFRM_STATE_ERROR ||
 				   x->km.state == XFRM_STATE_EXPIRED) {
-				if (xfrm_selector_match(&x->sel, fl, family) &&
+				if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
 				    security_xfrm_state_pol_flow_match(x, pol, fl))
 					error = -ESRCH;
 			}
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c06883bf620e..61339e17a0f5 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -322,6 +322,13 @@ static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *
 	x->props.family = p->family;
 	memcpy(&x->props.saddr, &p->saddr, sizeof(x->props.saddr));
 	x->props.flags = p->flags;
+
+	/*
+	 * Set inner address family if the KM left it as zero.
+	 * See comment in validate_tmpl.
+	 */
+	if (!x->sel.family)
+		x->sel.family = p->family;
 }
 
 /*