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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
pktgen: make sure that pktgen_thread_worker has been executed
[VLAN]: Propagate selected feature bits to VLAN devices
drivers/atm/: remove CVS keywords
vlan: Correctly handle device notifications for layered VLAN devices
net: Fix call to ->change_rx_flags(dev, IFF_MULTICAST) in dev_change_flags()
net_sched: cls_api: fix return value for non-existant classifiers
ipsec: Use the correct ip_local_out function
ipv6 addrconf: Allow infinite prefix lifetime.
ipv6 route: Fix lifetime in netlink.
ipv6 addrconf: Fix route lifetime setting in corner case.
ndisc: Add missing strategies for per-device retrans timer/reachable time settings.
ipv6: Move <linux/in6.h> from header-y to unifdef-y.
l2tp: avoid skb truesize bug if headroom is increased
wireless: Create 'device' symlink in sysfs
wireless, airo: waitbusy() won't delay
libertas: fix command timeout after firmware failure
mac80211: Add RTNL version of ieee80211_iterate_active_interfaces
mac80211 : Association with 11n hidden ssid ap.
hostap: fix "registers" registration in procfs
isdn/capi: Return proper errnos on module init.
...

drivers/atm/fore200e.h

···
-/* $Id: fore200e.h,v 1.4 2000/04/14 10:10:34 davem Exp $ */
 #ifndef _FORE200E_H
 #define _FORE200E_H
 

drivers/atm/fore200e_mkfirm.c

···
 /*
-  $Id: fore200e_mkfirm.c,v 1.1 2000/02/21 16:04:32 davem Exp $
-
   mkfirm.c: generates a C readable file from a binary firmware image
 
   Christophe Lizzi (lizzi@{csti.fr, cnam.fr}), June 1999.

drivers/atm/he.h

···
-/* $Id: he.h,v 1.4 2003/05/06 22:48:00 chas Exp $ */
-
 /*
 
   he.h

drivers/atm/idt77252.c

···
 /******************************************************************* 
- * ident "$Id: idt77252.c,v 1.2 2001/11/11 08:13:54 ecd Exp $"
- *
- * $Author: ecd $
- * $Date: 2001/11/11 08:13:54 $
  *
  * Copyright (c) 2000 ATecoM GmbH 
  *
···
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  *******************************************************************/
-static char const rcsid[] =
-"$Id: idt77252.c,v 1.2 2001/11/11 08:13:54 ecd Exp $";
-
 
 #include <linux/module.h>
 #include <linux/pci.h>

drivers/atm/idt77252.h

···
 /******************************************************************* 
- * ident "$Id: idt77252.h,v 1.2 2001/11/11 08:13:54 ecd Exp $"
- *
- * $Author: ecd $
- * $Date: 2001/11/11 08:13:54 $
  *
  * Copyright (c) 2000 ATecoM GmbH 
  *

drivers/atm/iphase.h

···
         spinlock_t rx_lock, misc_lock;
 	struct atm_vcc **rx_open;	/* list of all open VCs */  
         u16 num_rx_desc, rx_buf_sz, rxing;
-        u32 rx_pkt_ram, rx_tmp_cnt, rx_tmp_jif;
+        u32 rx_pkt_ram, rx_tmp_cnt;
+        unsigned long rx_tmp_jif;
         void __iomem *RX_DESC_BASE_ADDR;
         u32 drop_rxpkt, drop_rxcell, rx_cell_cnt, rx_pkt_cnt;
 	struct atm_dev *next_board;	/* other iphase devices */  

drivers/atm/nicstarmac.copyright

···
  *
  *   Modified to work with the IDT7721 nicstar -- AAL5 (tested) only.
  *
- * R. D. Rechenmacher <[e-mail]>, Aug. 6, 1997 $Revision: 1.1 $ $Date: 1999/08/20 11:00:11 $
+ * R. D. Rechenmacher <[e-mail]>, Aug. 6, 1997
  *
  * Linux driver for the IDT77201 NICStAR PCI ATM controller.
  * PHY component is expected to be 155 Mbps S/UNI-Lite or IDT 77155;

drivers/base/core.c

···
 	}
 #else
 	if (dev->class) {
-		sysfs_remove_link(&dev->class->subsys.kobj, old_device_name);
 		error = sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj,
 					  dev->bus_id);
-		if (error) {
-			dev_err(dev, "%s: sysfs_create_symlink failed (%d)\n",
-				__func__, error);
-		}
+		if (error)
+			goto out;
+		sysfs_remove_link(&dev->class->subsys.kobj, old_device_name);
 	}
 #endif
 

drivers/isdn/capi/capiutil.c

···
 {
 	g_cmsg= kmalloc(sizeof(_cmsg), GFP_KERNEL);
 	if (!g_cmsg)
-		return ENOMEM;
+		return -ENOMEM;
 	g_debbuf = kmalloc(sizeof(_cdebbuf), GFP_KERNEL);
 	if (!g_debbuf) {
 		kfree(g_cmsg);
-		return ENOMEM;
+		return -ENOMEM;
 	}
 	g_debbuf->buf = kmalloc(CDEBUG_GSIZE, GFP_KERNEL);
 	if (!g_debbuf->buf) {
 		kfree(g_cmsg);
 		kfree(g_debbuf);
-		return ENOMEM;;
+		return -ENOMEM;;
 	}
 	g_debbuf->size = CDEBUG_GSIZE;
 	g_debbuf->buf[0] = 0;

drivers/isdn/hysdn/Kconfig

···
 #
 config HYSDN
 	tristate "Hypercope HYSDN cards (Champ, Ergo, Metro) support (module only)"
-	depends on m && PROC_FS && PCI && BROKEN_ON_SMP
+	depends on m && PROC_FS && PCI
 	help
 	  Say Y here if you have one of Hypercope's active PCI ISDN cards
 	  Champ, Ergo and Metro. You will then get a module called hysdn.

drivers/isdn/hysdn/boardergo.c

···
 }				/* ergo_interrupt */
 
 /******************************************************************************/
-/* ergo_irq_bh is the function called by the immediate kernel task list after */
-/* being activated with queue_task and no interrupts active. This task is the */
-/* only one handling data transfer from or to the card after booting. The task */
-/* may be queued from everywhere (interrupts included).                       */
+/* ergo_irq_bh will be called as part of the kernel clearing its shared work  */
+/* queue sometime after a call to schedule_work has been made passing our     */
+/* work_struct. This task is the only one handling data transfer from or to   */
+/* the card after booting. The task may be queued from everywhere             */
+/* (interrupts included).                                                     */
 /******************************************************************************/
 static void
 ergo_irq_bh(struct work_struct *ugli_api)
···
 	card->hw_lock = 1;	/* we now lock the hardware */
 
 	do {
-		sti();		/* reenable other ints */
 		again = 0;	/* assume loop not to be repeated */
 
 		if (!dpr->ToHyFlag) {
···
 				again = 1;	/* restart loop */
 			}
 		}		/* a message has arrived for us */
-		cli();		/* no further ints */
 		if (again) {
 			dpr->ToHyInt = 1;
 			dpr->ToPcInt = 1;	/* interrupt to E1 for all cards */
···
 		byteout(card->iobase + PCI9050_USER_IO, PCI9050_E1_RUN);	/* start E1 processor */
 		/* the interrupts are still masked */
 
-		sti();
 		msleep_interruptible(20);		/* Timeout 20ms */
 
 		if (((tDpramBootSpooler *) card->dpram)->Len != DPRAM_SPOOLER_DATA_SIZE) {
···
 	dst = sp->Data;		/* point to data in spool structure */
 	buflen = sp->Len;	/* maximum len of spooled data */
 	wr_mirror = sp->WrPtr;	/* only once read */
-	sti();
 
 	/* try until all bytes written or error */
 	i = 0x1000;		/* timeout value */
···
 #endif /* CONFIG_HYSDN_CAPI */
 			return (0);	/* success */
 		}		/* data has arrived */
-		sti();
 		msleep_interruptible(50);		/* Timeout 50ms */
 	}			/* wait until timeout */
 

drivers/net/bonding/bond_sysfs.c

···
 	 * configure multiple bonding devices.
 	 */
 	if (ret == -EEXIST) {
-		netdev_class = NULL;
-		return 0;
+		/* Is someone being kinky and naming a device bonding_master? */
+		if (__dev_get_by_name(&init_net,
+				      class_attr_bonding_masters.attr.name))
+			printk(KERN_ERR
+			       "network device named %s already exists in sysfs",
+			       class_attr_bonding_masters.attr.name);
+		else {
+			netdev_class = NULL;
+			return 0;
+		}
 	}
 
 	return ret;

drivers/net/pppol2tp.c

···
 	__wsum csum = 0;
 	struct udphdr *uh;
 	unsigned int len;
+	int old_headroom;
+	int new_headroom;
 
 	if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED))
 		goto abort;
···
 
 	/* Check that there's enough headroom in the skb to insert IP,
 	 * UDP and L2TP and PPP headers. If not enough, expand it to
-	 * make room. Note that a new skb (or a clone) is
-	 * allocated. If we return an error from this point on, make
-	 * sure we free the new skb but do not free the original skb
-	 * since that is done by the caller for the error case.
+	 * make room. Adjust truesize.
 	 */
 	headroom = NET_SKB_PAD + sizeof(struct iphdr) +
 		sizeof(struct udphdr) + hdr_len + sizeof(ppph);
+	old_headroom = skb_headroom(skb);
 	if (skb_cow_head(skb, headroom))
 		goto abort;
+
+	new_headroom = skb_headroom(skb);
+	skb_orphan(skb);
+	skb->truesize += new_headroom - old_headroom;
 
 	/* Setup PPP header */
 	__skb_push(skb, sizeof(ppph));
···
 	/* Get routing info from the tunnel socket */
 	dst_release(skb->dst);
 	skb->dst = dst_clone(__sk_dst_get(sk_tun));
-	skb_orphan(skb);
 	skb->sk = sk_tun;
 
 	/* Queue the packet to IP for output */

drivers/net/wireless/airo.c

···
 	dev->irq = ethdev->irq;
 	dev->base_addr = ethdev->base_addr;
 	dev->wireless_data = ethdev->wireless_data;
+	SET_NETDEV_DEV(dev, ethdev->dev.parent);
 	memcpy(dev->dev_addr, ethdev->dev_addr, dev->addr_len);
 	err = register_netdev(dev);
 	if (err<0) {
···
 
 static int waitbusy (struct airo_info *ai) {
 	int delay = 0;
-	while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) & (delay < 10000)) {
+	while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) {
 		udelay (10);
 		if ((++delay % 20) == 0)
 			OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY);

drivers/net/wireless/hostap/hostap_hw.c

···
 	}
 	printk(KERN_INFO "%s: Registered netdevice %s\n", dev_info, dev->name);
 
-#ifndef PRISM2_NO_PROCFS_DEBUG
-	create_proc_read_entry("registers", 0, local->proc,
-			       prism2_registers_proc_read, local);
-#endif /* PRISM2_NO_PROCFS_DEBUG */
-
 	hostap_init_data(local);
 	return dev;
 
···
 			netif_carrier_off(local->ddev);
 		}
 		hostap_init_proc(local);
+#ifndef PRISM2_NO_PROCFS_DEBUG
+		create_proc_read_entry("registers", 0, local->proc,
+				       prism2_registers_proc_read, local);
+#endif /* PRISM2_NO_PROCFS_DEBUG */
 		hostap_init_ap_proc(local);
 		return 0;
 	}

drivers/net/wireless/ipw2200.c

···
 	priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit;
 
 	priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR;
+	SET_NETDEV_DEV(priv->prom_net_dev, &priv->pci_dev->dev);
 
 	rc = register_netdev(priv->prom_net_dev);
 	if (rc) {

drivers/net/wireless/libertas/main.c

···
 				priv->nr_retries = 0;
 			} else {
 				priv->cur_cmd = NULL;
+				priv->dnld_sent = DNLD_RES_RECEIVED;
 				lbs_pr_info("requeueing command %x due to timeout (#%d)\n",
 					    le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries);
 
···
 	rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
 	rtap_dev->set_multicast_list = lbs_set_multicast_list;
 	rtap_dev->priv = priv;
+	SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);
 
 	ret = register_netdev(rtap_dev);
 	if (ret) {

fs/sysfs/dir.c

···
  */
 int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
 {
-	if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) {
-		printk(KERN_WARNING "sysfs: duplicate filename '%s' "
-		       "can not be created\n", sd->s_name);
-		WARN_ON(1);
+	if (sysfs_find_dirent(acxt->parent_sd, sd->s_name))
 		return -EEXIST;
-	}
 
 	sd->s_parent = sysfs_get(acxt->parent_sd);
 

include/linux/Kbuild

···
 header-y += if_strip.h
 header-y += if_tun.h
 header-y += if_tunnel.h
-header-y += in6.h
 header-y += in_route.h
 header-y += ioctl.h
 header-y += ip6_tunnel.h
···
 unifdef-y += igmp.h
 unifdef-y += inet_diag.h
 unifdef-y += in.h
+unifdef-y += in6.h
 unifdef-y += inotify.h
 unifdef-y += input.h
 unifdef-y += ip.h

include/linux/atm.h

···
  * documentation. Do not change them.
  */
 
-#ifdef __KERNEL__
-#include <linux/socket.h>
-#include <linux/types.h>
-#endif
 #include <linux/compiler.h>
 #include <linux/atmapi.h>
 #include <linux/atmsap.h>
 #include <linux/atmioc.h>
+#include <linux/types.h>
 
 
 /* general ATM constants */
···
         char		pub[ATM_E164_LEN+1]; /* public address (E.164) */
     					/* unused addresses must be bzero'ed */
 	char		lij_type;	/* role in LIJ call; one of ATM_LIJ* */
-	uint32_t	lij_id;		/* LIJ call identifier */
+	__u32	lij_id;		/* LIJ call identifier */
     } sas_addr __ATM_API_ALIGN;		/* SVC address */
 };
 

include/linux/atm_tcp.h

···
 #define LINUX_ATM_TCP_H
 
 #include <linux/atmapi.h>
-
-#ifdef __KERNEL__
-#include <linux/types.h>
-#endif
+#include <linux/atm.h>
 #include <linux/atmioc.h>
+#include <linux/types.h>
 
 
 /*
···
  */
 
 struct atmtcp_hdr {
-	uint16_t	vpi;
-	uint16_t	vci;
-	uint32_t	length;		/* ... of data part */
+	__u16	vpi;
+	__u16	vci;
+	__u32	length;		/* ... of data part */
 };
 
 /*

include/linux/netdevice.h

···
 #define NETIF_F_NETNS_LOCAL	8192	/* Does not change network namespaces */
 #define NETIF_F_MULTI_QUEUE	16384	/* Has multiple TX/RX queues */
 #define NETIF_F_LRO		32768	/* large receive offload */
+#define NETIF_F_VLAN_TSO	65536	/* Supports TSO for VLANs */
+#define NETIF_F_VLAN_CSUM	131072	/* Supports TX checksumming for VLANs */
 
 	/* Segmentation offload features */
-#define NETIF_F_GSO_SHIFT	16
-#define NETIF_F_GSO_MASK	0xffff0000
+#define NETIF_F_GSO_SHIFT	20
+#define NETIF_F_GSO_MASK	0xfff00000
 #define NETIF_F_TSO		(SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)
 #define NETIF_F_UFO		(SKB_GSO_UDP << NETIF_F_GSO_SHIFT)
 #define NETIF_F_GSO_ROBUST	(SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)

include/net/mac80211.h

···
 void ieee80211_scan_completed(struct ieee80211_hw *hw);
 
 /**
- * ieee80211_iterate_active_interfaces - iterate active interfaces
+ * ieee80211_iterate_active_interfaces- iterate active interfaces
  *
  * This function iterates over the interfaces associated with a given
  * hardware that are currently active and calls the callback for them.
+ * This function allows the iterator function to sleep, when the iterator
+ * function is atomic @ieee80211_iterate_active_interfaces_atomic can
+ * be used.
  *
  * @hw: the hardware struct of which the interfaces should be iterated over
- * @iterator: the iterator function to call, cannot sleep
+ * @iterator: the iterator function to call
  * @data: first argument of the iterator function
  */
 void ieee80211_iterate_active_interfaces(struct ieee80211_hw *hw,
 					 void (*iterator)(void *data, u8 *mac,
 						struct ieee80211_vif *vif),
 					 void *data);
+
+/**
+ * ieee80211_iterate_active_interfaces_atomic - iterate active interfaces
+ *
+ * This function iterates over the interfaces associated with a given
+ * hardware that are currently active and calls the callback for them.
+ * This function requires the iterator callback function to be atomic,
+ * if that is not desired, use @ieee80211_iterate_active_interfaces instead.
+ *
+ * @hw: the hardware struct of which the interfaces should be iterated over
+ * @iterator: the iterator function to call, cannot sleep
+ * @data: first argument of the iterator function
+ */
+void ieee80211_iterate_active_interfaces_atomic(struct ieee80211_hw *hw,
+						void (*iterator)(void *data,
+						    u8 *mac,
+						    struct ieee80211_vif *vif),
+						void *data);
 
 /**
  * ieee80211_start_tx_ba_session - Start a tx Block Ack session.

include/net/ndisc.h

···
 							   void __user *buffer,
 							   size_t *lenp,
 							   loff_t *ppos);
+int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
+				 int nlen, void __user *oldval,
+				 size_t __user *oldlenp,
+				 void __user *newval, size_t newlen);
 #endif
 
 extern void 			inet6_ifinfo_notify(int event,

net/8021q/vlan.c

···
 	memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);
 }
 
+static void vlan_transfer_features(struct net_device *dev,
+				   struct net_device *vlandev)
+{
+	unsigned long old_features = vlandev->features;
+
+	if (dev->features & NETIF_F_VLAN_TSO) {
+		vlandev->features &= ~VLAN_TSO_FEATURES;
+		vlandev->features |= dev->features & VLAN_TSO_FEATURES;
+	}
+	if (dev->features & NETIF_F_VLAN_CSUM) {
+		vlandev->features &= ~NETIF_F_ALL_CSUM;
+		vlandev->features |= dev->features & NETIF_F_ALL_CSUM;
+	}
+
+	if (old_features != vlandev->features)
+		netdev_features_change(vlandev);
+}
+
 static void __vlan_device_event(struct net_device *dev, unsigned long event)
 {
 	switch (event) {
···
 	int i, flgs;
 	struct net_device *vlandev;
 
-	if (is_vlan_dev(dev)) {
+	if (is_vlan_dev(dev))
 		__vlan_device_event(dev, event);
-		goto out;
-	}
 
 	grp = __vlan_find_group(dev);
 	if (!grp)
···
 
 			vlan_sync_address(dev, vlandev);
 		}
+		break;
+
+	case NETDEV_FEAT_CHANGE:
+		/* Propagate device features to underlying device */
+		for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
+			vlandev = vlan_group_get_device(grp, i);
+			if (!vlandev)
+				continue;
+
+			vlan_transfer_features(dev, vlandev);
+		}
+
 		break;
 
 	case NETDEV_DOWN:

net/8021q/vlan.h

···
 #define VLAN_GRP_HASH_SIZE	(1 << VLAN_GRP_HASH_SHIFT)
 #define VLAN_GRP_HASH_MASK	(VLAN_GRP_HASH_SIZE - 1)
 
+#define VLAN_TSO_FEATURES	(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG)
+
 /*  Find a VLAN device by the MAC address of its Ethernet device, and
  *  it's VLAN ID.  The default configuration is to have VLAN's scope
  *  to be box-wide, so the MAC will be ignored.  The mac will only be

net/8021q/vlan_dev.c

···
 					  (1<<__LINK_STATE_DORMANT))) |
 		      (1<<__LINK_STATE_PRESENT);
 
+	if (real_dev->features & NETIF_F_VLAN_TSO)
+		dev->features |= real_dev->features & VLAN_TSO_FEATURES;
+	if (real_dev->features & NETIF_F_VLAN_CSUM)
+		dev->features |= real_dev->features & NETIF_F_ALL_CSUM;
+
 	/* ipv6 shared card related stuff */
 	dev->dev_id = real_dev->dev_id;
 

net/core/dev.c

···
 		strlcpy(dev->name, newname, IFNAMSIZ);
 
 rollback:
-	device_rename(&dev->dev, dev->name);
+	err = device_rename(&dev->dev, dev->name);
+	if (err) {
+		memcpy(dev->name, oldname, IFNAMSIZ);
+		return err;
+	}
 
 	write_lock_bh(&dev_base_lock);
 	hlist_del(&dev->name_hlist);
···
 	 *	Load in the correct multicast list now the flags have changed.
 	 */
 
-	if (dev->change_rx_flags && (dev->flags ^ flags) & IFF_MULTICAST)
+	if (dev->change_rx_flags && (old_flags ^ flags) & IFF_MULTICAST)
 		dev->change_rx_flags(dev, IFF_MULTICAST);
 
 	dev_set_rx_mode(dev);

net/core/pktgen.c

···
 	int cpu;
 
 	wait_queue_head_t queue;
+	struct completion start_done;
 };
 
 #define REMOVE 1
···
 	BUG_ON(smp_processor_id() != cpu);
 
 	init_waitqueue_head(&t->queue);
+	complete(&t->start_done);
 
 	pr_debug("pktgen: starting pktgen/%d:  pid=%d\n", cpu, task_pid_nr(current));
 
···
 	INIT_LIST_HEAD(&t->if_list);
 
 	list_add_tail(&t->th_list, &pktgen_threads);
+	init_completion(&t->start_done);
 
 	p = kthread_create(pktgen_thread_worker, t, "kpktgend_%d", cpu);
 	if (IS_ERR(p)) {
···
 	}
 
 	wake_up_process(p);
+	wait_for_completion(&t->start_done);
 
 	return 0;
 }

net/ipv4/route.c

···
 	.negative_advice =	ipv4_negative_advice,
 	.link_failure =		ipv4_link_failure,
 	.update_pmtu =		ip_rt_update_pmtu,
-	.local_out =		ip_local_out,
+	.local_out =		__ip_local_out,
 	.entry_size =		sizeof(struct rtable),
 	.entries =		ATOMIC_INIT(0),
 };

net/ipv6/addrconf.c

···
 	 *	2) Configure prefixes with the auto flag set
 	 */
 
-	/* Avoid arithmetic overflow. Really, we could
-	   save rt_expires in seconds, likely valid_lft,
-	   but it would require division in fib gc, that it
-	   not good.
-	 */
-	if (valid_lft >= 0x7FFFFFFF/HZ)
+	if (valid_lft == INFINITY_LIFE_TIME)
+		rt_expires = ~0UL;
+	else if (valid_lft >= 0x7FFFFFFF/HZ) {
+		/* Avoid arithmetic overflow. Really, we could
+		 * save rt_expires in seconds, likely valid_lft,
+		 * but it would require division in fib gc, that it
+		 * not good.
+		 */
 		rt_expires = 0x7FFFFFFF - (0x7FFFFFFF % HZ);
-	else
+	} else
 		rt_expires = valid_lft * HZ;
 
 	/*
···
 	 * Avoid arithmetic overflow there as well.
 	 * Overflow can happen only if HZ < USER_HZ.
 	 */
-	if (HZ < USER_HZ && rt_expires > 0x7FFFFFFF / USER_HZ)
+	if (HZ < USER_HZ && ~rt_expires && rt_expires > 0x7FFFFFFF / USER_HZ)
 		rt_expires = 0x7FFFFFFF / USER_HZ;
 
 	if (pinfo->onlink) {
···
 				dev->ifindex, 1);
 
 		if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
-			if (rt->rt6i_flags&RTF_EXPIRES) {
-				if (valid_lft == 0) {
-					ip6_del_rt(rt);
-					rt = NULL;
-				} else {
-					rt->rt6i_expires = jiffies + rt_expires;
-				}
+			/* Autoconf prefix route */
+			if (valid_lft == 0) {
+				ip6_del_rt(rt);
+				rt = NULL;
+			} else if (~rt_expires) {
+				/* not infinity */
+				rt->rt6i_expires = jiffies + rt_expires;
+				rt->rt6i_flags |= RTF_EXPIRES;
+			} else {
+				rt->rt6i_flags &= ~RTF_EXPIRES;
+				rt->rt6i_expires = 0;
 			}
 		} else if (valid_lft) {
+			int flags = RTF_ADDRCONF | RTF_PREFIX_RT;
+			clock_t expires = 0;
+			if (~rt_expires) {
+				/* not infinity */
+				flags |= RTF_EXPIRES;
+				expires = jiffies_to_clock_t(rt_expires);
+			}
 			addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
-					      dev, jiffies_to_clock_t(rt_expires), RTF_ADDRCONF|RTF_EXPIRES|RTF_PREFIX_RT);
+					      dev, expires, flags);
 		}
 		if (rt)
 			dst_release(&rt->u.dst);
···
 	struct inet6_dev *idev;
 	struct net_device *dev;
 	int scope;
-	u32 flags = RTF_EXPIRES;
+	u32 flags;
+	clock_t expires;
 
 	ASSERT_RTNL();
 
···
 	if (valid_lft == INFINITY_LIFE_TIME) {
 		ifa_flags |= IFA_F_PERMANENT;
 		flags = 0;
-	} else if (valid_lft >= 0x7FFFFFFF/HZ)
-		valid_lft = 0x7FFFFFFF/HZ;
+		expires = 0;
+	} else {
+		if (valid_lft >= 0x7FFFFFFF/HZ)
+			valid_lft = 0x7FFFFFFF/HZ;
+		flags = RTF_EXPIRES;
+		expires = jiffies_to_clock_t(valid_lft * HZ);
+	}
 
 	if (prefered_lft == 0)
 		ifa_flags |= IFA_F_DEPRECATED;
···
 		spin_unlock_bh(&ifp->lock);
 
 		addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev,
-				      jiffies_to_clock_t(valid_lft * HZ), flags);
+				      expires, flags);
 		/*
 		 * Note that section 3.1 of RFC 4429 indicates
 		 * that the Optimistic flag should not be set for
···
 static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags,
 			     u32 prefered_lft, u32 valid_lft)
 {
-	u32 flags = RTF_EXPIRES;
+	u32 flags;
+	clock_t expires;
 
 	if (!valid_lft || (prefered_lft > valid_lft))
 		return -EINVAL;
···
 	if (valid_lft == INFINITY_LIFE_TIME) {
 		ifa_flags |= IFA_F_PERMANENT;
 		flags = 0;
-	} else if (valid_lft >= 0x7FFFFFFF/HZ)
-		valid_lft = 0x7FFFFFFF/HZ;
+		expires = 0;
+	} else {
+		if (valid_lft >= 0x7FFFFFFF/HZ)
+			valid_lft = 0x7FFFFFFF/HZ;
+		flags = RTF_EXPIRES;
+		expires = jiffies_to_clock_t(valid_lft * HZ);
+	}
 
 	if (prefered_lft == 0)
 		ifa_flags |= IFA_F_DEPRECATED;
···
 		ipv6_ifa_notify(0, ifp);
 
 	addrconf_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev,
-			      jiffies_to_clock_t(valid_lft * HZ), flags);
+			      expires, flags);
 	addrconf_verify(0);
 
 	return 0;
···
 	neigh_sysctl_register(idev->dev, idev->nd_parms, NET_IPV6,
 			      NET_IPV6_NEIGH, "ipv6",
 			      &ndisc_ifinfo_sysctl_change,
-			      NULL);
+			      ndisc_ifinfo_sysctl_strategy);
 	__addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name,
 			idev->dev->ifindex, idev, &idev->cnf);
 }

net/ipv6/ndisc.c

···
 	return ret;
 }
 
-static int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
-					int nlen, void __user *oldval,
-					size_t __user *oldlenp,
-					void __user *newval, size_t newlen)
+int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl, int __user *name,
+				 int nlen, void __user *oldval,
+				 size_t __user *oldlenp,
+				 void __user *newval, size_t newlen)
 {
 	struct net_device *dev = ctl->extra1;
 	struct inet6_dev *idev;

net/ipv6/route.c

···
 	.negative_advice	=	ip6_negative_advice,
 	.link_failure		=	ip6_link_failure,
 	.update_pmtu		=	ip6_rt_update_pmtu,
-	.local_out		=	ip6_local_out,
+	.local_out		=	__ip6_local_out,
 	.entry_size		=	sizeof(struct rt6_info),
 	.entries		=	ATOMIC_INIT(0),
 };
···
 	lifetime = ntohl(rinfo->lifetime);
 	if (lifetime == 0xffffffff) {
 		/* infinity */
-	} else if (lifetime > 0x7fffffff/HZ) {
+	} else if (lifetime > 0x7fffffff/HZ - 1) {
 		/* Avoid arithmetic overflow */
 		lifetime = 0x7fffffff/HZ - 1;
 	}
···
 	}
 
 	rt->u.dst.obsolete = -1;
-	rt->rt6i_expires = jiffies + clock_t_to_jiffies(cfg->fc_expires);
+	rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
+				jiffies + clock_t_to_jiffies(cfg->fc_expires) :
+				0;
 
 	if (cfg->fc_protocol == RTPROT_UNSPEC)
 		cfg->fc_protocol = RTPROT_BOOT;
···
 
 	NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
 
-	expires = rt->rt6i_expires ? rt->rt6i_expires - jiffies : 0;
+	expires = (rt->rt6i_flags & RTF_EXPIRES) ?
+			rt->rt6i_expires - jiffies : 0;
+
 	if (rtnl_put_cacheinfo(skb, &rt->u.dst, 0, 0, 0,
 			       expires, rt->u.dst.error) < 0)
 		goto nla_put_failure;

net/mac80211/mlme.c

···
 	struct ieee80211_sta_bss *bss, *selected = NULL;
 	int top_rssi = 0, freq;
 
-	if (!(ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
-	    IEEE80211_STA_AUTO_BSSID_SEL | IEEE80211_STA_AUTO_CHANNEL_SEL))) {
-		ifsta->state = IEEE80211_AUTHENTICATE;
-		ieee80211_sta_reset_auth(dev, ifsta);
-		return 0;
-	}
-
 	spin_lock_bh(&local->sta_bss_lock);
 	freq = local->oper_channel->center_freq;
 	list_for_each_entry(bss, &local->sta_bss_list, list) {
 		if (!(bss->capability & WLAN_CAPABILITY_ESS))
 			continue;
 
-		if (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
-		    !!sdata->default_key)
+		if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
+			IEEE80211_STA_AUTO_BSSID_SEL |
+			IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
+		    (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
+		     !!sdata->default_key))
 			continue;
 
 		if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&

net/mac80211/util.c

···
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_sub_if_data *sdata;
 
+	rtnl_lock();
+
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		switch (sdata->vif.type) {
+		case IEEE80211_IF_TYPE_INVALID:
+		case IEEE80211_IF_TYPE_MNTR:
+		case IEEE80211_IF_TYPE_VLAN:
+			continue;
+		case IEEE80211_IF_TYPE_AP:
+		case IEEE80211_IF_TYPE_STA:
+		case IEEE80211_IF_TYPE_IBSS:
+		case IEEE80211_IF_TYPE_WDS:
+		case IEEE80211_IF_TYPE_MESH_POINT:
+			break;
+		}
+		if (sdata->dev == local->mdev)
+			continue;
+		if (netif_running(sdata->dev))
+			iterator(data, sdata->dev->dev_addr,
+				 &sdata->vif);
+	}
+
+	rtnl_unlock();
+}
+EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
+
+void ieee80211_iterate_active_interfaces_atomic(
+	struct ieee80211_hw *hw,
+	void (*iterator)(void *data, u8 *mac,
+			 struct ieee80211_vif *vif),
+	void *data)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata;
+
 	rcu_read_lock();
 
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
···
 
 	rcu_read_unlock();
 }
-EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces);
+EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);

net/sched/cls_api.c

···
 		tp = kzalloc(sizeof(*tp), GFP_KERNEL);
 		if (tp == NULL)
 			goto errout;
-		err = -EINVAL;
+		err = -ENOENT;
 		tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND]);
 		if (tp_ops == NULL) {
 #ifdef CONFIG_KMOD