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: (22 commits)
  tun: Multicast handling in tun_chr_ioctl() needs proper locking.
  [NET]: Fix heavy stack usage in seq_file output routines.
  [AF_UNIX] Initialise UNIX sockets before general device initcalls
  [RTNETLINK]: Fix bogus ASSERT_RTNL warning
  iwlwifi: Fix built-in compilation of iwlcore (part 2)
  tun: Fix minor race in TUNSETLINK ioctl handling.
  ppp_generic: use stats from net_device structure
  iwlwifi: Don't unlock priv->mutex if it isn't locked
  wireless: rndis_wlan: modparam_workaround_interval is never below 0.
  prism54: prism54_get_encode() test below 0 on unsigned index
  mac80211: update mesh EID values
  b43: Workaround DMA quirks
  mac80211: fix use before check of Qdisc length
  net/mac80211/rx.c: fix off-by-one
  mac80211: Fix race between ieee80211_rx_bss_put and lookup routines.
  ath5k: Fix radio identification on AR5424/2424
  ssb: Fix all-ones boardflags
  b43: Add more btcoexist workarounds
  b43: Fix HostFlags data types
  b43: Workaround invalid bluetooth settings
  ...

MAINTAINERS

@@ -2558,12 +2558,10 @@ W:	http://www.tazenda.demon.co.uk/phil/linux-hp
 S:	Maintained
 
 MAC80211
-P:	Michael Wu
-M:	flamingice@sourmilk.net
 P:	Johannes Berg
 M:	johannes@sipsolutions.net
-P:	Jiri Benc
+P:	Michael Wu
-M:	jbenc@suse.cz
+M:	flamingice@sourmilk.net
 L:	linux-wireless@vger.kernel.org
 W:	http://linuxwireless.org/
 T:	git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.git

drivers/net/ppp_generic.c

@@ -123,7 +123,6 @@ struct ppp {
 	u32		minseq;		/* MP: min of most recent seqnos */
 	struct sk_buff_head mrq;	/* MP: receive reconstruction queue */
 #endif /* CONFIG_PPP_MULTILINK */
-	struct net_device_stats stats;	/* statistics */
 #ifdef CONFIG_PPP_FILTER
 	struct sock_filter *pass_filter;	/* filter for packets to pass */
 	struct sock_filter *active_filter;/* filter for pkts to reset idle */
@@ -914,18 +913,10 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
  outf:
 	kfree_skb(skb);
-	++ppp->stats.tx_dropped;
+	++ppp->dev->stats.tx_dropped;
 	return 0;
 }
 
-static struct net_device_stats *
-ppp_net_stats(struct net_device *dev)
-{
-	struct ppp *ppp = (struct ppp *) dev->priv;
-
-	return &ppp->stats;
-}
-
 static int
 ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
@@ -1095,8 +1086,8 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb)
 #endif /* CONFIG_PPP_FILTER */
 	}
 
-	++ppp->stats.tx_packets;
+	++ppp->dev->stats.tx_packets;
-	ppp->stats.tx_bytes += skb->len - 2;
+	ppp->dev->stats.tx_bytes += skb->len - 2;
 
 	switch (proto) {
 	case PPP_IP:
@@ -1171,7 +1162,7 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb)
  drop:
 	if (skb)
 		kfree_skb(skb);
-	++ppp->stats.tx_errors;
+	++ppp->dev->stats.tx_errors;
 }
 
 /*
@@ -1409,7 +1400,7 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb)
 	spin_unlock_bh(&pch->downl);
 	if (ppp->debug & 1)
 		printk(KERN_ERR "PPP: no memory (fragment)\n");
-	++ppp->stats.tx_errors;
+	++ppp->dev->stats.tx_errors;
 	++ppp->nxseq;
 	return 1;	/* abandon the frame */
 }
@@ -1538,7 +1529,7 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
 
 	if (skb->len > 0)
 		/* note: a 0-length skb is used as an error indication */
-		++ppp->stats.rx_length_errors;
+		++ppp->dev->stats.rx_length_errors;
 
 	kfree_skb(skb);
 	ppp_receive_error(ppp);
@@ -1547,7 +1538,7 @@ ppp_receive_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
 static void
 ppp_receive_error(struct ppp *ppp)
 {
-	++ppp->stats.rx_errors;
+	++ppp->dev->stats.rx_errors;
 	if (ppp->vj)
 		slhc_toss(ppp->vj);
 }
@@ -1627,8 +1618,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
 		break;
 	}
 
-	++ppp->stats.rx_packets;
+	++ppp->dev->stats.rx_packets;
-	ppp->stats.rx_bytes += skb->len - 2;
+	ppp->dev->stats.rx_bytes += skb->len - 2;
 
 	npi = proto_to_npindex(proto);
 	if (npi < 0) {
@@ -1806,7 +1797,7 @@ ppp_receive_mp_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
 	 */
 	if (seq_before(seq, ppp->nextseq)) {
 		kfree_skb(skb);
-		++ppp->stats.rx_dropped;
+		++ppp->dev->stats.rx_dropped;
 		ppp_receive_error(ppp);
 		return;
 	}
@@ -1928,7 +1919,7 @@ ppp_mp_reconstruct(struct ppp *ppp)
 		/* Got a complete packet yet? */
 		if (lost == 0 && (p->BEbits & E) && (head->BEbits & B)) {
 			if (len > ppp->mrru + 2) {
-				++ppp->stats.rx_length_errors;
+				++ppp->dev->stats.rx_length_errors;
 				printk(KERN_DEBUG "PPP: reconstructed packet"
 				       " is too long (%d)\n", len);
 			} else if (p == head) {
@@ -1937,7 +1928,7 @@ ppp_mp_reconstruct(struct ppp *ppp)
 				skb = skb_get(p);
 				break;
 			} else if ((skb = dev_alloc_skb(len)) == NULL) {
-				++ppp->stats.rx_missed_errors;
+				++ppp->dev->stats.rx_missed_errors;
 				printk(KERN_DEBUG "PPP: no memory for "
 				       "reconstructed packet");
 			} else {
@@ -1966,7 +1957,7 @@ ppp_mp_reconstruct(struct ppp *ppp)
 			if (ppp->debug & 1)
 				printk(KERN_DEBUG "  missed pkts %u..%u\n",
 				       ppp->nextseq, head->sequence-1);
-			++ppp->stats.rx_dropped;
+			++ppp->dev->stats.rx_dropped;
 			ppp_receive_error(ppp);
 		}
 
@@ -2377,12 +2368,12 @@ ppp_get_stats(struct ppp *ppp, struct ppp_stats *st)
 	struct slcompress *vj = ppp->vj;
 
 	memset(st, 0, sizeof(*st));
-	st->p.ppp_ipackets = ppp->stats.rx_packets;
+	st->p.ppp_ipackets = ppp->dev->stats.rx_packets;
-	st->p.ppp_ierrors = ppp->stats.rx_errors;
+	st->p.ppp_ierrors = ppp->dev->stats.rx_errors;
-	st->p.ppp_ibytes = ppp->stats.rx_bytes;
+	st->p.ppp_ibytes = ppp->dev->stats.rx_bytes;
-	st->p.ppp_opackets = ppp->stats.tx_packets;
+	st->p.ppp_opackets = ppp->dev->stats.tx_packets;
-	st->p.ppp_oerrors = ppp->stats.tx_errors;
+	st->p.ppp_oerrors = ppp->dev->stats.tx_errors;
-	st->p.ppp_obytes = ppp->stats.tx_bytes;
+	st->p.ppp_obytes = ppp->dev->stats.tx_bytes;
 	if (!vj)
 		return;
 	st->vj.vjs_packets = vj->sls_o_compressed + vj->sls_o_uncompressed;
@@ -2436,7 +2427,6 @@ ppp_create_interface(int unit, int *retp)
 	dev->priv = ppp;
 
 	dev->hard_start_xmit = ppp_start_xmit;
-	dev->get_stats = ppp_net_stats;
 	dev->do_ioctl = ppp_net_ioctl;
 
 	ret = -EEXIST;

drivers/net/tun.c

@@ -668,16 +668,23 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 		break;
 
 	case TUNSETLINK:
+	{
+		int ret;
+
 		/* Only allow setting the type when the interface is down */
+		rtnl_lock();
 		if (tun->dev->flags & IFF_UP) {
 			DBG(KERN_INFO "%s: Linktype set failed because interface is up\n",
 				tun->dev->name);
-			return -EBUSY;
+			ret = -EBUSY;
 		} else {
 			tun->dev->type = (int) arg;
 			DBG(KERN_INFO "%s: linktype set to %d\n", tun->dev->name, tun->dev->type);
+			ret = 0;
 		}
-		break;
+		rtnl_unlock();
+		return ret;
+	}
 
 #ifdef TUN_DEBUG
 	case TUNSETDEBUG:
@@ -734,7 +741,12 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 	case SIOCADDMULTI:
 		/** Add the specified group to the character device's multicast filter
 		 * list. */
+		rtnl_lock();
+		netif_tx_lock_bh(tun->dev);
 		add_multi(tun->chr_filter, ifr.ifr_hwaddr.sa_data);
+		netif_tx_unlock_bh(tun->dev);
+		rtnl_unlock();
+
 		DBG(KERN_DEBUG "%s: add multi: %s\n",
 		    tun->dev->name, print_mac(mac, ifr.ifr_hwaddr.sa_data));
 		return 0;
@@ -742,7 +754,12 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
 	case SIOCDELMULTI:
 		/** Remove the specified group from the character device's multicast
 		 * filter list. */
+		rtnl_lock();
+		netif_tx_lock_bh(tun->dev);
 		del_multi(tun->chr_filter, ifr.ifr_hwaddr.sa_data);
+		netif_tx_unlock_bh(tun->dev);
+		rtnl_unlock();
+
 		DBG(KERN_DEBUG "%s: del multi: %s\n",
 		    tun->dev->name, print_mac(mac, ifr.ifr_hwaddr.sa_data));
 		return 0;

drivers/net/wireless/Makefile

@@ -56,8 +56,7 @@ obj-$(CONFIG_RTL8187)	+= rtl8187.o
 
 obj-$(CONFIG_ADM8211)	+= adm8211.o
 
-obj-$(CONFIG_IWL3945)	+= iwlwifi/
+obj-$(CONFIG_IWLCORE)	+= iwlwifi/
-obj-$(CONFIG_IWL4965)	+= iwlwifi/
 obj-$(CONFIG_RT2X00)	+= rt2x00/
 
 obj-$(CONFIG_P54_COMMON)	+= p54/

drivers/net/wireless/ath5k/hw.c

@@ -304,14 +304,20 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version)
 		ah->ah_radio = AR5K_RF2413;
 		ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A;
 	} else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC2) {
-
 		ah->ah_radio = AR5K_RF5413;
+		ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A;
+	} else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_5133) {
 
-		if (ah->ah_mac_srev <= AR5K_SREV_VER_AR5424 &&
+		/* AR5424 */
-			ah->ah_mac_srev >= AR5K_SREV_VER_AR2424)
+		if (srev >= AR5K_SREV_VER_AR5424) {
+			ah->ah_radio = AR5K_RF5413;
 			ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5424;
-		else
+		/* AR2424 */
+		} else {
+			ah->ah_radio = AR5K_RF2413; /* For testing */
 			ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A;
+		}
+
 	/*
 	 * Register returns 0x4 for radio revision
 	 * so ath5k_hw_radio_revision doesn't parse the value

drivers/net/wireless/b43/dma.c

@@ -980,6 +980,42 @@ void b43_dma_free(struct b43_wldev *dev)
 	destroy_ring(dma, tx_ring_mcast);
 }
 
+static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask)
+{
+	u64 orig_mask = mask;
+	bool fallback = 0;
+	int err;
+
+	/* Try to set the DMA mask. If it fails, try falling back to a
+	 * lower mask, as we can always also support a lower one. */
+	while (1) {
+		err = ssb_dma_set_mask(dev->dev, mask);
+		if (!err)
+			break;
+		if (mask == DMA_64BIT_MASK) {
+			mask = DMA_32BIT_MASK;
+			fallback = 1;
+			continue;
+		}
+		if (mask == DMA_32BIT_MASK) {
+			mask = DMA_30BIT_MASK;
+			fallback = 1;
+			continue;
+		}
+		b43err(dev->wl, "The machine/kernel does not support "
+		       "the required %u-bit DMA mask\n",
+		       (unsigned int)dma_mask_to_engine_type(orig_mask));
+		return -EOPNOTSUPP;
+	}
+	if (fallback) {
+		b43info(dev->wl, "DMA mask fallback from %u-bit to %u-bit\n",
+			(unsigned int)dma_mask_to_engine_type(orig_mask),
+			(unsigned int)dma_mask_to_engine_type(mask));
+	}
+
+	return 0;
+}
+
 int b43_dma_init(struct b43_wldev *dev)
 {
 	struct b43_dma *dma = &dev->dma;
@@ -989,14 +1025,9 @@ int b43_dma_init(struct b43_wldev *dev)
 
 	dmamask = supported_dma_mask(dev);
 	type = dma_mask_to_engine_type(dmamask);
-	err = ssb_dma_set_mask(dev->dev, dmamask);
+	err = b43_dma_set_mask(dev, dmamask);
-	if (err) {
+	if (err)
-		b43err(dev->wl, "The machine/kernel does not support "
+		return err;
-		       "the required DMA mask (0x%08X%08X)\n",
-		       (unsigned int)((dmamask & 0xFFFFFFFF00000000ULL) >> 32),
-		       (unsigned int)(dmamask & 0x00000000FFFFFFFFULL));
-		return -EOPNOTSUPP;
-	}
 
 	err = -ENOMEM;
 	/* setup TX DMA channels. */

drivers/net/wireless/b43/main.c

@@ -84,6 +84,10 @@ int b43_modparam_qos = 1;
 module_param_named(qos, b43_modparam_qos, int, 0444);
 MODULE_PARM_DESC(qos, "Enable QOS support (default on)");
 
+static int modparam_btcoex = 1;
+module_param_named(btcoex, modparam_btcoex, int, 0444);
+MODULE_PARM_DESC(btcoex, "Enable Bluetooth coexistance (default on)");
+
 
 static const struct ssb_device_id b43_ssb_tbl[] = {
 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5),
@@ -3706,8 +3710,10 @@ static void setup_struct_wldev_for_init(struct b43_wldev *dev)
 static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
 {
 	struct ssb_sprom *sprom = &dev->dev->bus->sprom;
-	u32 hf;
+	u64 hf;
 
+	if (!modparam_btcoex)
+		return;
 	if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST))
 		return;
 	if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode)
@@ -3719,11 +3725,13 @@ static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
 	else
 		hf |= B43_HF_BTCOEX;
 	b43_hf_write(dev, hf);
-	//TODO
 }
 
 static void b43_bluetooth_coext_disable(struct b43_wldev *dev)
-{				//TODO
+{
+	if (!modparam_btcoex)
+		return;
+	//TODO
 }
 
 static void b43_imcfglo_timeouts_workaround(struct b43_wldev *dev)
@@ -3852,7 +3860,8 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 	struct ssb_sprom *sprom = &bus->sprom;
 	struct b43_phy *phy = &dev->phy;
 	int err;
-	u32 hf, tmp;
+	u64 hf;
+	u32 tmp;
 
 	B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
 
@@ -4414,8 +4423,16 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl)
 	return err;
 }
 
+#define IS_PDEV(pdev, _vendor, _device, _subvendor, _subdevice)		( \
+	(pdev->vendor == PCI_VENDOR_ID_##_vendor) &&			\
+	(pdev->device == _device) &&					\
+	(pdev->subsystem_vendor == PCI_VENDOR_ID_##_subvendor) &&	\
+	(pdev->subsystem_device == _subdevice)				)
+
 static void b43_sprom_fixup(struct ssb_bus *bus)
 {
+	struct pci_dev *pdev;
+
 	/* boardflags workarounds */
 	if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
 	    bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74)
@@ -4423,6 +4440,13 @@ static void b43_sprom_fixup(struct ssb_bus *bus)
 	if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
 	    bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40)
 		bus->sprom.boardflags_lo |= B43_BFL_PACTRL;
+	if (bus->bustype == SSB_BUSTYPE_PCI) {
+		pdev = bus->host_pci;
+		if (IS_PDEV(pdev, BROADCOM, 0x4318, ASUSTEK, 0x100F) ||
+		    IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0015) ||
+		    IS_PDEV(pdev, BROADCOM, 0x4320, LINKSYS, 0x0013))
+			bus->sprom.boardflags_lo &= ~B43_BFL_BTCOEXIST;
+	}
 }
 
 static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl)

drivers/net/wireless/b43/phy.c

@@ -2043,7 +2043,7 @@ int b43_phy_init(struct b43_wldev *dev)
 void b43_set_rx_antenna(struct b43_wldev *dev, int antenna)
 {
 	struct b43_phy *phy = &dev->phy;
-	u32 hf;
+	u64 hf;
 	u16 tmp;
 	int autodiv = 0;
 

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -6907,7 +6907,6 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw,
 
 	if (priv->vif != vif) {
 		IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
-		mutex_unlock(&priv->mutex);
 		return 0;
 	}
 

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -6473,7 +6473,6 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
 
 	if (priv->vif != vif) {
 		IWL_DEBUG_MAC80211("leave - priv->vif != vif\n");
-		mutex_unlock(&priv->mutex);
 		return 0;
 	}
 

drivers/net/wireless/prism54/isl_ioctl.c

@@ -1186,7 +1186,7 @@ prism54_get_encode(struct net_device *ndev, struct iw_request_info *info,
 	rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYID, 0, NULL, &r);
 	devindex = r.u;
 	/* Now get the key, return it */
-	if ((index < 0) || (index > 3))
+	if (index == -1 || index > 3)
 		/* no index provided, use the current one */
 		index = devindex;
 	rvalue |= mgt_get_request(priv, DOT11_OID_DEFKEYX, index, NULL, &r);

drivers/net/wireless/rndis_wlan.c

@@ -2402,7 +2402,6 @@ static int bcm4320_early_init(struct usbnet *dev)
 	priv->param_power_output = modparam_power_output;
 	priv->param_roamtrigger  = modparam_roamtrigger;
 	priv->param_roamdelta    = modparam_roamdelta;
-	priv->param_workaround_interval = modparam_workaround_interval;
 
 	priv->param_country[0] = toupper(priv->param_country[0]);
 	priv->param_country[1] = toupper(priv->param_country[1]);
@@ -2425,8 +2424,10 @@ static int bcm4320_early_init(struct usbnet *dev)
 	else if (priv->param_roamdelta > 2)
 		priv->param_roamdelta = 2;
 
-	if (priv->param_workaround_interval < 0)
+	if (modparam_workaround_interval < 0)
 		priv->param_workaround_interval = 500;
+	else
+		priv->param_workaround_interval = modparam_workaround_interval;
 
 	rndis_set_config_parameter_str(dev, "Country", priv->param_country);
 	rndis_set_config_parameter_str(dev, "FrameBursting",

drivers/ssb/pci.c

@@ -484,6 +484,11 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
 			goto unsupported;
 	}
 
+	if (out->boardflags_lo == 0xFFFF)
+		out->boardflags_lo = 0;  /* per specs */
+	if (out->boardflags_hi == 0xFFFF)
+		out->boardflags_hi = 0;  /* per specs */
+
 	return 0;
 unsupported:
 	ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "

include/linux/ieee80211.h

@@ -465,13 +465,19 @@ enum ieee80211_eid {
 	WLAN_EID_TS_DELAY = 43,
 	WLAN_EID_TCLAS_PROCESSING = 44,
 	WLAN_EID_QOS_CAPA = 46,
-	/* 802.11s */
+	/* 802.11s
-	WLAN_EID_MESH_CONFIG = 36,      /* Pending IEEE 802.11 ANA approval */
+	 *
-	WLAN_EID_MESH_ID = 37,          /* Pending IEEE 802.11 ANA approval */
+	 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
-	WLAN_EID_PEER_LINK = 40,	/* Pending IEEE 802.11 ANA approval */
+	 * The numbers have been incremented from those suggested in
-	WLAN_EID_PREQ = 53,		/* Pending IEEE 802.11 ANA approval */
+	 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
-	WLAN_EID_PREP = 54,		/* Pending IEEE 802.11 ANA approval */
+	 * EXT_SUPP_RATES.
-	WLAN_EID_PERR = 55,		/* Pending IEEE 802.11 ANA approval */
+	 */
+	WLAN_EID_MESH_CONFIG = 51,
+	WLAN_EID_MESH_ID = 52,
+	WLAN_EID_PEER_LINK = 55,
+	WLAN_EID_PREQ = 68,
+	WLAN_EID_PREP = 69,
+	WLAN_EID_PERR = 70,
 	/* 802.11h */
 	WLAN_EID_PWR_CONSTRAINT = 32,
 	WLAN_EID_PWR_CAPABILITY = 33,

include/linux/rtnetlink.h

@@ -740,13 +740,13 @@ extern void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change);
 extern void rtnl_lock(void);
 extern void rtnl_unlock(void);
 extern int rtnl_trylock(void);
+extern int rtnl_is_locked(void);
 
 extern void rtnetlink_init(void);
 extern void __rtnl_unlock(void);
 
 #define ASSERT_RTNL() do { \
-	if (unlikely(rtnl_trylock())) { \
+	if (unlikely(!rtnl_is_locked())) { \
-		rtnl_unlock(); \
 		printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \
 		       __FILE__,  __LINE__); \
 		dump_stack(); \

net/core/rtnetlink.c

@@ -82,6 +82,11 @@ int rtnl_trylock(void)
 	return mutex_trylock(&rtnl_mutex);
 }
 
+int rtnl_is_locked(void)
+{
+	return mutex_is_locked(&rtnl_mutex);
+}
+
 static struct rtnl_link *rtnl_msg_handlers[NPROTO];
 
 static inline int rtm_msgindex(int msgtype)
@@ -1402,6 +1407,7 @@ EXPORT_SYMBOL(rtnetlink_put_metrics);
 EXPORT_SYMBOL(rtnl_lock);
 EXPORT_SYMBOL(rtnl_trylock);
 EXPORT_SYMBOL(rtnl_unlock);
+EXPORT_SYMBOL(rtnl_is_locked);
 EXPORT_SYMBOL(rtnl_unicast);
 EXPORT_SYMBOL(rtnl_notify);
 EXPORT_SYMBOL(rtnl_set_sk_err);

net/ipv4/fib_hash.c

@@ -1003,7 +1003,7 @@ static unsigned fib_flag_trans(int type, __be32 mask, struct fib_info *fi)
 static int fib_seq_show(struct seq_file *seq, void *v)
 {
 	struct fib_iter_state *iter;
-	char bf[128];
+	int len;
 	__be32 prefix, mask;
 	unsigned flags;
 	struct fib_node *f;
@@ -1025,18 +1025,19 @@ static int fib_seq_show(struct seq_file *seq, void *v)
 	mask	= FZ_MASK(iter->zone);
 	flags	= fib_flag_trans(fa->fa_type, mask, fi);
 	if (fi)
-		snprintf(bf, sizeof(bf),
+		seq_printf(seq,
-			 "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
+			 "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u%n",
 			 fi->fib_dev ? fi->fib_dev->name : "*", prefix,
 			 fi->fib_nh->nh_gw, flags, 0, 0, fi->fib_priority,
 			 mask, (fi->fib_advmss ? fi->fib_advmss + 40 : 0),
 			 fi->fib_window,
-			 fi->fib_rtt >> 3);
+			 fi->fib_rtt >> 3, &len);
 	else
-		snprintf(bf, sizeof(bf),
+		seq_printf(seq,
-			 "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
+			 "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u%n",
-			 prefix, 0, flags, 0, 0, 0, mask, 0, 0, 0);
+			 prefix, 0, flags, 0, 0, 0, mask, 0, 0, 0, &len);
-	seq_printf(seq, "%-127s\n", bf);
+
+	seq_printf(seq, "%*s\n", 127 - len, "");
 out:
 	return 0;
 }

net/ipv4/fib_trie.c

@@ -2602,15 +2602,16 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
 		list_for_each_entry_rcu(fa, &li->falh, fa_list) {
 			const struct fib_info *fi = fa->fa_info;
 			unsigned flags = fib_flag_trans(fa->fa_type, mask, fi);
-			char bf[128];
+			int len;
 
 			if (fa->fa_type == RTN_BROADCAST
 			    || fa->fa_type == RTN_MULTICAST)
 				continue;
 
 			if (fi)
-				snprintf(bf, sizeof(bf),
+				seq_printf(seq,
-					 "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
+					 "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+					 "%d\t%08X\t%d\t%u\t%u%n",
 					 fi->fib_dev ? fi->fib_dev->name : "*",
 					 prefix,
 					 fi->fib_nh->nh_gw, flags, 0, 0,
@@ -2619,14 +2620,15 @@ static int fib_route_seq_show(struct seq_file *seq, void *v)
 					 (fi->fib_advmss ?
 					  fi->fib_advmss + 40 : 0),
 					 fi->fib_window,
-					 fi->fib_rtt >> 3);
+					 fi->fib_rtt >> 3, &len);
 			else
-				snprintf(bf, sizeof(bf),
+				seq_printf(seq,
-					 "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u",
+					 "*\t%08X\t%08X\t%04X\t%d\t%u\t"
+					 "%d\t%08X\t%d\t%u\t%u%n",
 					 prefix, 0, flags, 0, 0, 0,
-					 mask, 0, 0, 0);
+					 mask, 0, 0, 0, &len);
 
-			seq_printf(seq, "%-127s\n", bf);
+			seq_printf(seq, "%*s\n", 127 - len, "");
 		}
 	}
 

net/ipv4/route.c

@@ -367,10 +367,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 			   "HHUptod\tSpecDst");
 	else {
 		struct rtable *r = v;
-		char temp[256];
+		int len;
 
-		sprintf(temp, "%s\t%08lX\t%08lX\t%8X\t%d\t%u\t%d\t"
+		seq_printf(seq, "%s\t%08lX\t%08lX\t%8X\t%d\t%u\t%d\t"
-			      "%08lX\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X",
+			      "%08lX\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n",
 			r->u.dst.dev ? r->u.dst.dev->name : "*",
 			(unsigned long)r->rt_dst, (unsigned long)r->rt_gateway,
 			r->rt_flags, atomic_read(&r->u.dst.__refcnt),
@@ -384,8 +384,9 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 			r->u.dst.hh ? atomic_read(&r->u.dst.hh->hh_refcnt) : -1,
 			r->u.dst.hh ? (r->u.dst.hh->hh_output ==
 				       dev_queue_xmit) : 0,
-			r->rt_spec_dst);
+			r->rt_spec_dst, &len);
-		seq_printf(seq, "%-127s\n", temp);
+
+		seq_printf(seq, "%*s\n", 127 - len, "");
 	}
 	return 0;
 }

net/ipv4/tcp_ipv4.c

@@ -2255,13 +2255,13 @@ void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo)
 }
 
 static void get_openreq4(struct sock *sk, struct request_sock *req,
-			 char *tmpbuf, int i, int uid)
+			 struct seq_file *f, int i, int uid, int *len)
 {
 	const struct inet_request_sock *ireq = inet_rsk(req);
 	int ttd = req->expires - jiffies;
 
-	sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X"
+	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p%n",
 		i,
 		ireq->loc_addr,
 		ntohs(inet_sk(sk)->sport),
@@ -2276,10 +2276,11 @@ static void get_openreq4(struct sock *sk, struct request_sock *req,
 		0,  /* non standard timer */
 		0, /* open_requests have no inode */
 		atomic_read(&sk->sk_refcnt),
-		req);
+		req,
+		len);
 }
 
-static void get_tcp4_sock(struct sock *sk, char *tmpbuf, int i)
+static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len)
 {
 	int timer_active;
 	unsigned long timer_expires;
@@ -2305,8 +2306,8 @@ static void get_tcp4_sock(struct sock *sk, char *tmpbuf, int i)
 		timer_expires = jiffies;
 	}
 
-	sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
+	seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX "
-			"%08X %5d %8d %lu %d %p %u %u %u %u %d",
+			"%08X %5d %8d %lu %d %p %u %u %u %u %d%n",
 		i, src, srcp, dest, destp, sk->sk_state,
 		tp->write_seq - tp->snd_una,
 		sk->sk_state == TCP_LISTEN ? sk->sk_ack_backlog :
@@ -2322,11 +2323,12 @@ static void get_tcp4_sock(struct sock *sk, char *tmpbuf, int i)
 		icsk->icsk_ack.ato,
 		(icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong,
 		tp->snd_cwnd,
-		tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh);
+		tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh,
+		len);
 }
 
 static void get_timewait4_sock(struct inet_timewait_sock *tw,
-			       char *tmpbuf, int i)
+			       struct seq_file *f, int i, int *len)
 {
 	__be32 dest, src;
 	__u16 destp, srcp;
@@ -2340,11 +2342,11 @@ static void get_timewait4_sock(struct inet_timewait_sock *tw,
 	destp = ntohs(tw->tw_dport);
 	srcp  = ntohs(tw->tw_sport);
 
-	sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X"
+	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p%n",
 		i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
 		3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
-		atomic_read(&tw->tw_refcnt), tw);
+		atomic_read(&tw->tw_refcnt), tw, len);
 }
 
 #define TMPSZ 150
@@ -2352,7 +2354,7 @@ static void get_timewait4_sock(struct inet_timewait_sock *tw,
 static int tcp4_seq_show(struct seq_file *seq, void *v)
 {
 	struct tcp_iter_state* st;
-	char tmpbuf[TMPSZ + 1];
+	int len;
 
 	if (v == SEQ_START_TOKEN) {
 		seq_printf(seq, "%-*s\n", TMPSZ - 1,
@@ -2366,16 +2368,16 @@ static int tcp4_seq_show(struct seq_file *seq, void *v)
 	switch (st->state) {
 	case TCP_SEQ_STATE_LISTENING:
 	case TCP_SEQ_STATE_ESTABLISHED:
-		get_tcp4_sock(v, tmpbuf, st->num);
+		get_tcp4_sock(v, seq, st->num, &len);
 		break;
 	case TCP_SEQ_STATE_OPENREQ:
-		get_openreq4(st->syn_wait_sk, v, tmpbuf, st->num, st->uid);
+		get_openreq4(st->syn_wait_sk, v, seq, st->num, st->uid, &len);
 		break;
 	case TCP_SEQ_STATE_TIME_WAIT:
-		get_timewait4_sock(v, tmpbuf, st->num);
+		get_timewait4_sock(v, seq, st->num, &len);
 		break;
 	}
-	seq_printf(seq, "%-*s\n", TMPSZ - 1, tmpbuf);
+	seq_printf(seq, "%*s\n", TMPSZ - 1 - len, "");
 out:
 	return 0;
 }

net/ipv4/udp.c

@@ -1619,7 +1619,8 @@ void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo)
 }
 
 /* ------------------------------------------------------------------------ */
-static void udp4_format_sock(struct sock *sp, char *tmpbuf, int bucket)
+static void udp4_format_sock(struct sock *sp, struct seq_file *f,
+		int bucket, int *len)
 {
 	struct inet_sock *inet = inet_sk(sp);
 	__be32 dest = inet->daddr;
@@ -1627,13 +1628,13 @@ static void udp4_format_sock(struct sock *sp, char *tmpbuf, int bucket)
 	__u16 destp	  = ntohs(inet->dport);
 	__u16 srcp	  = ntohs(inet->sport);
 
-	sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X"
+	seq_printf(f, "%4d: %08X:%04X %08X:%04X"
-		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p",
+		" %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p%n",
 		bucket, src, srcp, dest, destp, sp->sk_state,
 		atomic_read(&sp->sk_wmem_alloc),
 		atomic_read(&sp->sk_rmem_alloc),
 		0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
-		atomic_read(&sp->sk_refcnt), sp);
+		atomic_read(&sp->sk_refcnt), sp, len);
 }
 
 int udp4_seq_show(struct seq_file *seq, void *v)
@@ -1644,11 +1645,11 @@ int udp4_seq_show(struct seq_file *seq, void *v)
 			   "rx_queue tr tm->when retrnsmt   uid  timeout "
 			   "inode");
 	else {
-		char tmpbuf[129];
 		struct udp_iter_state *state = seq->private;
+		int len;
 
-		udp4_format_sock(v, tmpbuf, state->bucket);
+		udp4_format_sock(v, seq, state->bucket, &len);
-		seq_printf(seq, "%-127s\n", tmpbuf);
+		seq_printf(seq, "%*s\n", 127 - len ,"");
 	}
 	return 0;
 }

net/mac80211/mlme.c

@@ -2248,10 +2248,13 @@ static void ieee80211_rx_bss_put(struct net_device *dev,
 				 struct ieee80211_sta_bss *bss)
 {
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	if (!atomic_dec_and_test(&bss->users))
-		return;
 
-	spin_lock_bh(&local->sta_bss_lock);
+	local_bh_disable();
+	if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
+		local_bh_enable();
+		return;
+	}
+
 	__ieee80211_rx_bss_hash_del(dev, bss);
 	list_del(&bss->list);
 	spin_unlock_bh(&local->sta_bss_lock);
@@ -2709,7 +2712,26 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
 			bss->wmm_ie_len = elems.wmm_param_len + 2;
 		} else
 			bss->wmm_ie_len = 0;
-	} else if (!elems.wmm_param && bss->wmm_ie) {
+	} else if (elems.wmm_info &&
+		    (!bss->wmm_ie || bss->wmm_ie_len != elems.wmm_info_len ||
+		     memcmp(bss->wmm_ie, elems.wmm_info, elems.wmm_info_len))) {
+		 /* As for certain AP's Fifth bit is not set in WMM IE in
+		  * beacon frames.So while parsing the beacon frame the
+		  * wmm_info structure is used instead of wmm_param.
+		  * wmm_info structure was never used to set bss->wmm_ie.
+		  * This code fixes this problem by copying the WME
+		  * information from wmm_info to bss->wmm_ie and enabling
+		  * n-band association.
+		  */
+		kfree(bss->wmm_ie);
+		bss->wmm_ie = kmalloc(elems.wmm_info_len + 2, GFP_ATOMIC);
+		if (bss->wmm_ie) {
+			memcpy(bss->wmm_ie, elems.wmm_info - 2,
+			       elems.wmm_info_len + 2);
+			bss->wmm_ie_len = elems.wmm_info_len + 2;
+		} else
+			bss->wmm_ie_len = 0;
+	} else if (!elems.wmm_param && !elems.wmm_info && bss->wmm_ie) {
 		kfree(bss->wmm_ie);
 		bss->wmm_ie = NULL;
 		bss->wmm_ie_len = 0;

net/mac80211/rx.c

@@ -2170,7 +2170,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
 	struct ieee80211_supported_band *sband;
 
 	if (status->band < 0 ||
-	    status->band > IEEE80211_NUM_BANDS) {
+	    status->band >= IEEE80211_NUM_BANDS) {
 		WARN_ON(1);
 		return;
 	}

net/mac80211/wme.c

@@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue)
 	struct ieee80211_sched_data *q = qdisc_priv(root_qd);
 	struct Qdisc *qdisc = q->queues[queue];
 	struct sk_buff *skb = NULL;
-	u32 len = qdisc->q.qlen;
+	u32 len;
 
 	if (!qdisc || !qdisc->dequeue)
 		return;

net/sctp/objcnt.c

@@ -83,13 +83,12 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = {
  */
 static int sctp_objcnt_seq_show(struct seq_file *seq, void *v)
 {
-	int i;
+	int i, len;
-	char temp[128];
 
 	i = (int)*(loff_t *)v;
-	sprintf(temp, "%s: %d", sctp_dbg_objcnt[i].label,
+	seq_printf(seq, "%s: %d%n", sctp_dbg_objcnt[i].label,
-				atomic_read(sctp_dbg_objcnt[i].counter));
+				atomic_read(sctp_dbg_objcnt[i].counter), &len);
-	seq_printf(seq, "%-127s\n", temp);
+	seq_printf(seq, "%*s\n", 127 - len, "");
 	return 0;
 }
 

net/unix/af_unix.c

@@ -2197,7 +2197,11 @@ static void __exit af_unix_exit(void)
 	unregister_pernet_subsys(&unix_net_ops);
 }
 
-module_init(af_unix_init);
+/* Earlier than device_initcall() so that other drivers invoking
+   request_module() don't end up in a loop when modprobe tries
+   to use a UNIX socket. But later than subsys_initcall() because
+   we depend on stuff initialised there */
+fs_initcall(af_unix_init);
 module_exit(af_unix_exit);
 
 MODULE_LICENSE("GPL");