2.6.25-stable review

@@ -3818,7 +3818,9 @@ static void b43_chip_reset(struct work_s
 			goto out;
 		}
 	}
-      out:
+out:
+	if (err)
+		wl->current_dev = NULL; /* Failed to init the dev. */
 	mutex_unlock(&wl->mutex);
 	if (err)
 		b43err(wl, "Controller restart FAILED\n");

@@ -3967,9 +3969,11 @@ static void b43_one_core_detach(struct s
 	struct b43_wldev *wldev;
 	struct b43_wl *wl;
 
+	/* Do not cancel ieee80211-workqueue based work here.
+	 * See comment in b43_remove(). */
+
 	wldev = ssb_get_drvdata(dev);
 	wl = wldev->wl;
-	cancel_work_sync(&wldev->restart_work);
 	b43_debugfs_remove_device(wldev);
 	b43_wireless_core_detach(wldev);
 	list_del(&wldev->list);

@@ -4152,6 +4156,10 @@ static void b43_remove(struct ssb_device
 	struct b43_wl *wl = ssb_get_devtypedata(dev);
 	struct b43_wldev *wldev = ssb_get_drvdata(dev);
 
+	/* We must cancel any work here before unregistering from ieee80211,
+	 * as the ieee80211 unreg will destroy the workqueue. */
+	cancel_work_sync(&wldev->restart_work);
+
 	B43_WARN_ON(!wl);
 	if (wl->current_dev == wldev)
 		ieee80211_unregister_hw(wl->hw);

@@ -251,10 +251,11 @@ struct ipw_hardware {
 	int init_loops;
 	struct timer_list setup_timer;
 
+	/* Flag if hw is ready to send next packet */
 	int tx_ready;
-	struct list_head tx_queue[NL_NUM_OF_PRIORITIES];
-	/* True if any packets are queued for transmission */
+	/* Count of pending packets to be sent */
 	int tx_queued;
+	struct list_head tx_queue[NL_NUM_OF_PRIORITIES];
 
 	int rx_bytes_queued;
 	struct list_head rx_queue;

@@ -430,6 +431,8 @@ static int do_send_fragment(struct ipw_h
 
 	spin_lock_irqsave(&hw->spinlock, flags);
 
+	hw->tx_ready = 0;
+
 	if (hw->hw_version == HW_VERSION_1) {
 		outw((unsigned short) length, hw->base_port + IODWR);
 

@@ -518,6 +521,7 @@ static int do_send_packet(struct ipw_har
 
 		spin_lock_irqsave(&hw->spinlock, flags);
 		list_add(&packet->queue, &hw->tx_queue[0]);
+		hw->tx_queued++;
 		spin_unlock_irqrestore(&hw->spinlock, flags);
 	} else {
 		if (packet->packet_callback)

@@ -975,12 +979,10 @@ static int send_pending_packet(struct ip
 	unsigned long flags;
 
 	spin_lock_irqsave(&hw->spinlock, flags);
-	if (hw->tx_queued && hw->tx_ready != 0) {
+	if (hw->tx_queued && hw->tx_ready) {
 		int priority;
 		struct ipw_tx_packet *packet = NULL;
 
-		hw->tx_ready--;
-
 		/* Pick a packet */
 		for (priority = 0; priority < priority_limit; priority++) {
 			if (!list_empty(&hw->tx_queue[priority])) {

@@ -989,6 +991,7 @@ static int send_pending_packet(struct ip
 						struct ipw_tx_packet,
 						queue);
 
+				hw->tx_queued--;
 				list_del(&packet->queue);
 
 				break;

@@ -999,6 +1002,7 @@ static int send_pending_packet(struct ip
 			spin_unlock_irqrestore(&hw->spinlock, flags);
 			return 0;
 		}
+
 		spin_unlock_irqrestore(&hw->spinlock, flags);
 
 		/* Send */

@@ -1089,7 +1093,7 @@ static irqreturn_t ipwireless_handle_v1_
 		if (irqn & IR_TXINTR) {
 			ack |= IR_TXINTR;
 			spin_lock_irqsave(&hw->spinlock, flags);
-			hw->tx_ready++;
+			hw->tx_ready = 1;
 			spin_unlock_irqrestore(&hw->spinlock, flags);
 		}
 		/* Received data */

@@ -1196,7 +1200,7 @@ static irqreturn_t ipwireless_handle_v2_
 	if (memrxdone & MEMRX_RX_DONE) {
 		writew(0, &hw->memory_info_regs->memreg_rx_done);
 		spin_lock_irqsave(&hw->spinlock, flags);
-		hw->tx_ready++;
+		hw->tx_ready = 1;
 		spin_unlock_irqrestore(&hw->spinlock, flags);
 		tx = 1;
 	}

@@ -1260,7 +1264,7 @@ static void send_packet(struct ipw_hardw
 
 	spin_lock_irqsave(&hw->spinlock, flags);
 	list_add_tail(&packet->queue, &hw->tx_queue[priority]);
-	hw->tx_queued = 1;
+	hw->tx_queued++;
 	spin_unlock_irqrestore(&hw->spinlock, flags);
 
 	flush_packets_to_hw(hw);

@@ -392,6 +392,7 @@ module_param(rd_size, int, 0);
 MODULE_PARM_DESC(rd_size, "Size of each RAM disk in kbytes.");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_BLOCKDEV_MAJOR(RAMDISK_MAJOR);
+MODULE_ALIAS("rd");
 
 #ifndef MODULE
 /* Legacy boot options - nonmodular */

@@ -519,12 +519,12 @@ int ssb_pcicore_dev_irqvecs_enable(struc
 	int err = 0;
 	u32 tmp;
 
-	might_sleep();
-
 	if (!pdev)
 		goto out;
 	bus = pdev->bus;
 
+	might_sleep_if(pdev->id.coreid != SSB_DEV_PCI);
+
 	/* Enable interrupts for this device. */
 	if (bus->host_pci &&
 	    ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {

@@ -988,7 +988,10 @@ struct file *create_write_pipe(void)
 	return f;
 
  err_dentry:
+	free_pipe_info(inode);
 	dput(dentry);
+	return ERR_PTR(err);
+
  err_inode:
 	free_pipe_info(inode);
 	iput(inode);

@@ -940,7 +940,6 @@ do_sku:
 			    AC_VERB_SET_UNSOLICITED_ENABLE,
 			    AC_USRSP_EN | ALC880_HP_EVENT);
 	spec->unsol_event = alc_sku_unsol_event;
-	spec->init_hook = alc_sku_automute;	
 }
 
 /*

@@ -1817,13 +1817,6 @@ int __devinit snd_emu10k1_create(struct 
 	}
 	emu->port = pci_resource_start(pci, 0);
 
-	if (request_irq(pci->irq, snd_emu10k1_interrupt, IRQF_SHARED,
-			"EMU10K1", emu)) {
-		err = -EBUSY;
-		goto error;
-	}
-	emu->irq = pci->irq;
-
 	emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
 	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
 				32 * 1024, &emu->ptb_pages) < 0) {

@@ -1886,6 +1879,14 @@ int __devinit snd_emu10k1_create(struct 
 	emu->fx8010.etram_pages.area = NULL;
 	emu->fx8010.etram_pages.bytes = 0;
 
+	/* irq handler must be registered after I/O ports are activated */
+	if (request_irq(pci->irq, snd_emu10k1_interrupt, IRQF_SHARED,
+			"EMU10K1", emu)) {
+		err = -EBUSY;
+		goto error;
+	}
+	emu->irq = pci->irq;
+
 	/*
 	 *  Init to 0x02109204 :
 	 *  Clock accuracy    = 0     (1000ppm)

@@ -908,7 +908,9 @@ static int ecryptfs_setattr(struct dentr
 	if (ia->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
 		ia->ia_valid &= ~ATTR_MODE;
 
+	mutex_lock(&lower_dentry->d_inode->i_mutex);
 	rc = notify_change(lower_dentry, ia);
+	mutex_unlock(&lower_dentry->d_inode->i_mutex);
 out:
 	fsstack_copy_attr_all(inode, lower_inode, NULL);
 	return rc;

@@ -195,7 +195,9 @@ static int ecryptfs_open(struct inode *i
 		file, ecryptfs_inode_to_private(inode)->lower_file);
 	if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
 		ecryptfs_printk(KERN_DEBUG, "This is a directory\n");
+		mutex_lock(&crypt_stat->cs_mutex);
 		crypt_stat->flags &= ~(ECRYPTFS_ENCRYPTED);
+		mutex_unlock(&crypt_stat->cs_mutex);
 		rc = 0;
 		goto out;
 	}

@@ -37,17 +37,11 @@ static struct dentry *lock_parent(struct
 {
 	struct dentry *dir;
 
-	dir = dget(dentry->d_parent);
+	dir = dget_parent(dentry);
 	mutex_lock_nested(&(dir->d_inode->i_mutex), I_MUTEX_PARENT);
 	return dir;
 }
 
-static void unlock_parent(struct dentry *dentry)
-{
-	mutex_unlock(&(dentry->d_parent->d_inode->i_mutex));
-	dput(dentry->d_parent);
-}
-
 static void unlock_dir(struct dentry *dir)
 {
 	mutex_unlock(&dir->d_inode->i_mutex);

@@ -426,8 +420,9 @@ static int ecryptfs_unlink(struct inode 
 	int rc = 0;
 	struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
 	struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
+	struct dentry *lower_dir_dentry;
 
-	lock_parent(lower_dentry);
+	lower_dir_dentry = lock_parent(lower_dentry);
 	rc = vfs_unlink(lower_dir_inode, lower_dentry);
 	if (rc) {
 		printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);

@@ -439,7 +434,7 @@ static int ecryptfs_unlink(struct inode 
 	dentry->d_inode->i_ctime = dir->i_ctime;
 	d_drop(dentry);
 out_unlock:
-	unlock_parent(lower_dentry);
+	unlock_dir(lower_dir_dentry);
 	return rc;
 }
 

@@ -1907,9 +1907,9 @@ int ecryptfs_get_tfm_and_mutex_for_ciphe
 			goto out;
 		}
 	}
-	mutex_unlock(&key_tfm_list_mutex);
 	(*tfm) = key_tfm->key_tfm;
 	(*tfm_mutex) = &key_tfm->key_tfm_mutex;
 out:
+	mutex_unlock(&key_tfm_list_mutex);
 	return rc;
 }

@@ -28,6 +28,7 @@
 #endif
 
 const char *fb_mode_option;
+EXPORT_SYMBOL_GPL(fb_mode_option);
 
     /*
      *  Standard video mode definitions (taken from XFree86)

@@ -499,7 +499,6 @@ static void sunhv_console_write_bychar(s
 	} else
 		spin_lock(&port->lock);
 
-	spin_lock_irqsave(&port->lock, flags);
 	for (i = 0; i < n; i++) {
 		if (*s == '\n')
 			sunhv_console_putchar(port, '\r');

@@ -1219,7 +1219,7 @@ static struct xfrm_state * pfkey_msg2xfr
 		x->sel.prefixlen_s = addr->sadb_address_prefixlen;
 	}
 
-	if (x->props.mode == XFRM_MODE_TRANSPORT)
+	if (!x->sel.family)
 		x->sel.family = x->props.family;
 
 	if (ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]) {

@@ -64,20 +64,15 @@ void ax25_frames_acked(ax25_cb *ax25, un
 
 void ax25_requeue_frames(ax25_cb *ax25)
 {
-	struct sk_buff *skb, *skb_prev = NULL;
+	struct sk_buff *skb;
 
 	/*
 	 * Requeue all the un-ack-ed frames on the output queue to be picked
 	 * up by ax25_kick called from the timer. This arrangement handles the
 	 * possibility of an empty output queue.
 	 */
-	while ((skb = skb_dequeue(&ax25->ack_queue)) != NULL) {
-		if (skb_prev == NULL)
-			skb_queue_head(&ax25->write_queue, skb);
-		else
-			skb_append(skb_prev, skb, &ax25->write_queue);
-		skb_prev = skb;
-	}
+	while ((skb = skb_dequeue_tail(&ax25->ack_queue)) != NULL)
+		skb_queue_head(&ax25->write_queue, skb);
 }
 
 /*

@@ -423,8 +423,8 @@ static int __rfcomm_dlc_close(struct rfc
 
 		rfcomm_dlc_lock(d);
 		d->state = BT_CLOSED;
-		rfcomm_dlc_unlock(d);
 		d->state_change(d, err);
+		rfcomm_dlc_unlock(d);
 
 		skb_queue_purge(&d->tx_queue);
 		rfcomm_dlc_unlink(d);

@@ -435,15 +435,13 @@ static int raw_setsockopt(struct socket 
 			if (!filter)
 				return -ENOMEM;
 
-			err = copy_from_user(filter, optval, optlen);
-			if (err) {
+			if (copy_from_user(filter, optval, optlen)) {
 				kfree(filter);
-				return err;
+				return -EFAULT;
 			}
 		} else if (count == 1) {
-			err = copy_from_user(&sfilter, optval, optlen);
-			if (err)
-				return err;
+			if (copy_from_user(&sfilter, optval, optlen))
+				return -EFAULT;
 		}
 
 		lock_sock(sk);

@@ -493,9 +491,8 @@ static int raw_setsockopt(struct socket 
 		if (optlen != sizeof(err_mask))
 			return -EINVAL;
 
-		err = copy_from_user(&err_mask, optval, optlen);
-		if (err)
-			return err;
+		if (copy_from_user(&err_mask, optval, optlen))
+			return -EFAULT;
 
 		err_mask &= CAN_ERR_MASK;
 

@@ -531,7 +528,8 @@ static int raw_setsockopt(struct socket 
 		if (optlen != sizeof(ro->loopback))
 			return -EINVAL;
 
-		err = copy_from_user(&ro->loopback, optval, optlen);
+		if (copy_from_user(&ro->loopback, optval, optlen))
+			return -EFAULT;
 
 		break;
 

@@ -539,7 +537,8 @@ static int raw_setsockopt(struct socket 
 		if (optlen != sizeof(ro->recv_own_msgs))
 			return -EINVAL;
 
-		err = copy_from_user(&ro->recv_own_msgs, optval, optlen);
+		if (copy_from_user(&ro->recv_own_msgs, optval, optlen))
+			return -EFAULT;
 
 		break;
 

@@ -142,8 +142,8 @@
 
 #define DRV_MODULE_NAME		"cassini"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"1.5"
-#define DRV_MODULE_RELDATE	"4 Jan 2008"
+#define DRV_MODULE_VERSION	"1.6"
+#define DRV_MODULE_RELDATE	"21 May 2008"
 
 #define CAS_DEF_MSG_ENABLE	  \
 	(NETIF_MSG_DRV		| \

@@ -2140,9 +2140,12 @@ end_copy_pkt:
 		if (addr)
 			cas_page_unmap(addr);
 	}
-	skb->csum = csum_unfold(~csum);
-	skb->ip_summed = CHECKSUM_COMPLETE;
 	skb->protocol = eth_type_trans(skb, cp->dev);
+	if (skb->protocol == htons(ETH_P_IP)) {
+		skb->csum = csum_unfold(~csum);
+		skb->ip_summed = CHECKSUM_COMPLETE;
+	} else
+		skb->ip_summed = CHECKSUM_NONE;
 	return len;
 }
 

@@ -3132,7 +3132,7 @@ int dev_change_flags(struct net_device *
 	 *	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);

@@ -220,7 +220,7 @@ replay:
 		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

@@ -162,7 +162,7 @@ static struct dst_ops ipv4_dst_ops = {
 	.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),
 };

@@ -105,7 +105,7 @@ static struct dst_ops ip6_dst_ops = {
 	.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),
 };

@@ -772,12 +772,13 @@ static inline int __nla_parse_nested_com
 					    const struct nla_policy *policy,
 					    int len)
 {
-	if (nla_len(nla) < len)
+	int nested_len = nla_len(nla) - NLA_ALIGN(len);
+
+	if (nested_len < 0)
 		return -1;
-	if (nla_len(nla) >= NLA_ALIGN(len) + sizeof(struct nlattr))
-		return nla_parse_nested(tb, maxtype,
-					nla_data(nla) + NLA_ALIGN(len),
-					policy);
+	if (nested_len >= nla_attr_size(0))
+		return nla_parse(tb, maxtype, nla_data(nla) + NLA_ALIGN(len),
+				 nested_len, policy);
 	memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1));
 	return 0;
 }

@@ -980,6 +980,8 @@ static int pppol2tp_xmit(struct ppp_chan
 	__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;

@@ -1001,16 +1003,18 @@ static int pppol2tp_xmit(struct ppp_chan
 
 	/* 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));
 	skb->data[0] = ppph[0];

@@ -1065,7 +1069,6 @@ static int pppol2tp_xmit(struct ppp_chan
 	/* 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 */

@@ -397,10 +397,8 @@ static int vlan_device_event(struct noti
 	if (dev->nd_net != &init_net)
 		return NOTIFY_DONE;
 
-	if (is_vlan_dev(dev)) {
+	if (is_vlan_dev(dev))
 		__vlan_device_event(dev, event);
-		goto out;
-	}
 
 	grp = __vlan_find_group(dev->ifindex);
 	if (!grp)

@@ -1836,7 +1836,7 @@ int tcp_retransmit_skb(struct sock *sk, 
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct inet_connection_sock *icsk = inet_csk(sk);
-	unsigned int cur_mss = tcp_current_mss(sk, 0);
+	unsigned int cur_mss;
 	int err;
 
 	/* Inconslusive MTU probe */

@@ -1858,6 +1858,11 @@ int tcp_retransmit_skb(struct sock *sk, 
 			return -ENOMEM;
 	}
 
+	if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
+		return -EHOSTUNREACH; /* Routing failure or similar. */
+
+	cur_mss = tcp_current_mss(sk, 0);
+
 	/* If receiver has shrunk his window, and skb is out of
 	 * new window, do not retransmit it. The exception is the
 	 * case, when window is shrunk to zero. In this case

@@ -1884,9 +1889,6 @@ int tcp_retransmit_skb(struct sock *sk, 
 	    (sysctl_tcp_retrans_collapse != 0))
 		tcp_retrans_try_collapse(sk, skb, cur_mss);
 
-	if (inet_csk(sk)->icsk_af_ops->rebuild_header(sk))
-		return -EHOSTUNREACH; /* Routing failure or similar. */
-
 	/* Some Solaris stacks overoptimize and ignore the FIN on a
 	 * retransmit when old data is attached.  So strip it off
 	 * since it is cheap to do so and saves bytes on the network.

@@ -285,14 +285,11 @@ int tcp_is_cwnd_limited(const struct soc
 	if (in_flight >= tp->snd_cwnd)
 		return 1;
 
-	if (!sk_can_gso(sk))
-		return 0;
-
 	left = tp->snd_cwnd - in_flight;
-	if (sysctl_tcp_tso_win_divisor)
-		return left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd;
-	else
-		return left <= tcp_max_burst(tp);
+	if (sk_can_gso(sk) &&
+	    left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd)
+		return 1;
+	return left <= tcp_max_burst(tp);
 }
 EXPORT_SYMBOL_GPL(tcp_is_cwnd_limited);
 

@@ -287,7 +287,8 @@ int tcp_is_cwnd_limited(const struct soc
 
 	left = tp->snd_cwnd - in_flight;
 	if (sk_can_gso(sk) &&
-	    left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd)
+	    left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd &&
+	    left * tp->mss_cache < 65536)
 		return 1;
 	return left <= tcp_max_burst(tp);
 }

@@ -1279,6 +1279,7 @@ out:
 static int pppol2tp_release(struct socket *sock)
 {
 	struct sock *sk = sock->sk;
+	struct pppol2tp_session *session;
 	int error;
 
 	if (!sk)

@@ -1296,9 +1297,18 @@ static int pppol2tp_release(struct socke
 	sock_orphan(sk);
 	sock->sk = NULL;
 
+	session = pppol2tp_sock_to_session(sk);
+
 	/* Purge any queued data */
 	skb_queue_purge(&sk->sk_receive_queue);
 	skb_queue_purge(&sk->sk_write_queue);
+	if (session != NULL) {
+		struct sk_buff *skb;
+		while ((skb = skb_dequeue(&session->reorder_q))) {
+			kfree_skb(skb);
+			sock_put(sk);
+		}
+	}
 
 	release_sock(sk);
 

@@ -240,12 +240,15 @@ static inline struct pppol2tp_session *p
 	if (sk == NULL)
 		return NULL;
 
+	sock_hold(sk);
 	session = (struct pppol2tp_session *)(sk->sk_user_data);
-	if (session == NULL)
-		return NULL;
+	if (session == NULL) {
+		sock_put(sk);
+		goto out;
+	}
 
 	BUG_ON(session->magic != L2TP_SESSION_MAGIC);
-
+out:
 	return session;
 }
 

@@ -256,12 +259,15 @@ static inline struct pppol2tp_tunnel *pp
 	if (sk == NULL)
 		return NULL;
 
+	sock_hold(sk);
 	tunnel = (struct pppol2tp_tunnel *)(sk->sk_user_data);
-	if (tunnel == NULL)
-		return NULL;
+	if (tunnel == NULL) {
+		sock_put(sk);
+		goto out;
+	}
 
 	BUG_ON(tunnel->magic != L2TP_TUNNEL_MAGIC);
-
+out:
 	return tunnel;
 }
 

@@ -716,12 +722,14 @@ discard:
 	session->stats.rx_errors++;
 	kfree_skb(skb);
 	sock_put(session->sock);
+	sock_put(sock);
 
 	return 0;
 
 error:
 	/* Put UDP header back */
 	__skb_push(skb, sizeof(struct udphdr));
+	sock_put(sock);
 
 no_tunnel:
 	return 1;

@@ -745,10 +753,13 @@ static int pppol2tp_udp_encap_recv(struc
 	       "%s: received %d bytes\n", tunnel->name, skb->len);
 
 	if (pppol2tp_recv_core(sk, skb))
-		goto pass_up;
+		goto pass_up_put;
 
+	sock_put(sk);
 	return 0;
 
+pass_up_put:
+	sock_put(sk);
 pass_up:
 	return 1;
 }

@@ -858,7 +869,7 @@ static int pppol2tp_sendmsg(struct kiocb
 
 	tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock);
 	if (tunnel == NULL)
-		goto error;
+		goto error_put_sess;
 
 	/* What header length is configured for this session? */
 	hdr_len = pppol2tp_l2tp_header_len(session);

@@ -870,7 +881,7 @@ static int pppol2tp_sendmsg(struct kiocb
 			   sizeof(ppph) + total_len,
 			   0, GFP_KERNEL);
 	if (!skb)
-		goto error;
+		goto error_put_sess_tun;
 
 	/* Reserve space for headers. */
 	skb_reserve(skb, NET_SKB_PAD);

@@ -900,7 +911,7 @@ static int pppol2tp_sendmsg(struct kiocb
 	error = memcpy_fromiovec(skb->data, m->msg_iov, total_len);
 	if (error < 0) {
 		kfree_skb(skb);
-		goto error;
+		goto error_put_sess_tun;
 	}
 	skb_put(skb, total_len);
 

@@ -947,10 +958,33 @@ static int pppol2tp_sendmsg(struct kiocb
 		session->stats.tx_errors++;
 	}
 
+	return error;
+
+error_put_sess_tun:
+	sock_put(session->tunnel_sock);
+error_put_sess:
+	sock_put(sk);
 error:
 	return error;
 }
 
+/* Automatically called when the skb is freed.
+ */
+static void pppol2tp_sock_wfree(struct sk_buff *skb)
+{
+	sock_put(skb->sk);
+}
+
+/* For data skbs that we transmit, we associate with the tunnel socket
+ * but don't do accounting.
+ */
+static inline void pppol2tp_skb_set_owner_w(struct sk_buff *skb, struct sock *sk)
+{
+	sock_hold(sk);
+	skb->sk = sk;
+	skb->destructor = pppol2tp_sock_wfree;
+}
+
 /* Transmit function called by generic PPP driver.  Sends PPP frame
  * over PPPoL2TP socket.
  *

@@ -993,10 +1027,10 @@ static int pppol2tp_xmit(struct ppp_chan
 
 	sk_tun = session->tunnel_sock;
 	if (sk_tun == NULL)
-		goto abort;
+		goto abort_put_sess;
 	tunnel = pppol2tp_sock_to_tunnel(sk_tun);
 	if (tunnel == NULL)
-		goto abort;
+		goto abort_put_sess;
 
 	/* What header length is configured for this session? */
 	hdr_len = pppol2tp_l2tp_header_len(session);

@@ -1009,7 +1043,7 @@ static int pppol2tp_xmit(struct ppp_chan
 		sizeof(struct udphdr) + hdr_len + sizeof(ppph);
 	old_headroom = skb_headroom(skb);
 	if (skb_cow_head(skb, headroom))
-		goto abort;
+		goto abort_put_sess_tun;
 
 	new_headroom = skb_headroom(skb);
 	skb_orphan(skb);

@@ -1069,7 +1103,7 @@ static int pppol2tp_xmit(struct ppp_chan
 	/* Get routing info from the tunnel socket */
 	dst_release(skb->dst);
 	skb->dst = dst_clone(__sk_dst_get(sk_tun));
-	skb->sk = sk_tun;
+	pppol2tp_skb_set_owner_w(skb, sk_tun);
 
 	/* Queue the packet to IP for output */
 	len = skb->len;

@@ -1086,8 +1120,14 @@ static int pppol2tp_xmit(struct ppp_chan
 		session->stats.tx_errors++;
 	}
 
+	sock_put(sk_tun);
+	sock_put(sk);
 	return 1;
 
+abort_put_sess_tun:
+	sock_put(sk_tun);
+abort_put_sess:
+	sock_put(sk);
 abort:
 	/* Free the original skb */
 	kfree_skb(skb);

@@ -1191,7 +1231,7 @@ static void pppol2tp_tunnel_destruct(str
 {
 	struct pppol2tp_tunnel *tunnel;
 
-	tunnel = pppol2tp_sock_to_tunnel(sk);
+	tunnel = sk->sk_user_data;
 	if (tunnel == NULL)
 		goto end;
 

@@ -1230,10 +1270,12 @@ static void pppol2tp_session_destruct(st
 	if (sk->sk_user_data != NULL) {
 		struct pppol2tp_tunnel *tunnel;
 
-		session = pppol2tp_sock_to_session(sk);
+		session = sk->sk_user_data;
 		if (session == NULL)
 			goto out;
 
+		BUG_ON(session->magic != L2TP_SESSION_MAGIC);
+
 		/* Don't use pppol2tp_sock_to_tunnel() here to
 		 * get the tunnel context because the tunnel
 		 * socket might have already been closed (its

@@ -1611,7 +1653,7 @@ static int pppol2tp_connect(struct socke
 
 	error = ppp_register_channel(&po->chan);
 	if (error)
-		goto end;
+		goto end_put_tun;
 
 	/* This is how we get the session context from the socket. */
 	sk->sk_user_data = session;

@@ -1631,6 +1673,8 @@ out_no_ppp:
 	PRINTK(session->debug, PPPOL2TP_MSG_CONTROL, KERN_INFO,
 	       "%s: created\n", session->name);
 
+end_put_tun:
+	sock_put(tunnel_sock);
 end:
 	release_sock(sk);
 

@@ -1671,6 +1715,7 @@ static int pppol2tp_getname(struct socke
 	*usockaddr_len = len;
 
 	error = 0;
+	sock_put(sock->sk);
 
 end:
 	return error;

@@ -1909,14 +1954,17 @@ static int pppol2tp_ioctl(struct socket 
 		err = -EBADF;
 		tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock);
 		if (tunnel == NULL)
-			goto end;
+			goto end_put_sess;
 
 		err = pppol2tp_tunnel_ioctl(tunnel, cmd, arg);
-		goto end;
+		sock_put(session->tunnel_sock);
+		goto end_put_sess;
 	}
 
 	err = pppol2tp_session_ioctl(session, cmd, arg);
 
+end_put_sess:
+	sock_put(sk);
 end:
 	return err;
 }

@@ -2062,14 +2110,17 @@ static int pppol2tp_setsockopt(struct so
 		err = -EBADF;
 		tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock);
 		if (tunnel == NULL)
-			goto end;
+			goto end_put_sess;
 
 		err = pppol2tp_tunnel_setsockopt(sk, tunnel, optname, val);
+		sock_put(session->tunnel_sock);
 	} else
 		err = pppol2tp_session_setsockopt(sk, session, optname, val);
 
 	err = 0;
 
+end_put_sess:
+	sock_put(sk);
 end:
 	return err;
 }

@@ -2184,20 +2235,24 @@ static int pppol2tp_getsockopt(struct so
 		err = -EBADF;
 		tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock);
 		if (tunnel == NULL)
-			goto end;
+			goto end_put_sess;
 
 		err = pppol2tp_tunnel_getsockopt(sk, tunnel, optname, &val);
+		sock_put(session->tunnel_sock);
 	} else
 		err = pppol2tp_session_getsockopt(sk, session, optname, &val);
 
 	err = -EFAULT;
 	if (put_user(len, (int __user *) optlen))
-		goto end;
+		goto end_put_sess;
 
 	if (copy_to_user((void __user *) optval, &val, len))
-		goto end;
+		goto end_put_sess;
 
 	err = 0;
+
+end_put_sess:
+	sock_put(sk);
 end:
 	return err;
 }

@@ -1393,9 +1393,9 @@ static struct sk_buff *tcp_maybe_skippin
 
 	if (before(next_dup->start_seq, skip_to_seq)) {
 		skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq, fack_count);
-		tcp_sacktag_walk(skb, sk, NULL,
-				 next_dup->start_seq, next_dup->end_seq,
-				 1, fack_count, reord, flag);
+		skb = tcp_sacktag_walk(skb, sk, NULL,
+				     next_dup->start_seq, next_dup->end_seq,
+				     1, fack_count, reord, flag);
 	}
 
 	return skb;

@@ -2465,7 +2465,7 @@ static void tcp_try_to_open(struct sock 
 
 	tcp_verify_left_out(tp);
 
-	if (tp->retrans_out == 0)
+	if (!tp->frto_counter && tp->retrans_out == 0)
 		tp->retrans_stamp = 0;
 
 	if (flag & FLAG_ECE)

@@ -113,8 +113,6 @@ int sysctl_tcp_abc __read_mostly;
 #define FLAG_FORWARD_PROGRESS	(FLAG_ACKED|FLAG_DATA_SACKED)
 #define FLAG_ANY_PROGRESS	(FLAG_FORWARD_PROGRESS|FLAG_SND_UNA_ADVANCED)
 
-#define IsSackFrto() (sysctl_tcp_frto == 0x2)
-
 #define TCP_REMNANT (TCP_FLAG_FIN|TCP_FLAG_URG|TCP_FLAG_SYN|TCP_FLAG_PSH)
 #define TCP_HP_BITS (~(TCP_RESERVED_BITS|TCP_FLAG_PSH))
 

@@ -1685,6 +1683,11 @@ static inline void tcp_reset_reno_sack(s
 	tp->sacked_out = 0;
 }
 
+static int tcp_is_sackfrto(const struct tcp_sock *tp)
+{
+	return (sysctl_tcp_frto == 0x2) && !tcp_is_reno(tp);
+}
+
 /* F-RTO can only be used if TCP has never retransmitted anything other than
  * head (SACK enhanced variant from Appendix B of RFC4138 is more robust here)
  */

@@ -1701,7 +1704,7 @@ int tcp_use_frto(struct sock *sk)
 	if (icsk->icsk_mtup.probe_size)
 		return 0;
 
-	if (IsSackFrto())
+	if (tcp_is_sackfrto(tp))
 		return 1;
 
 	/* Avoid expensive walking of rexmit queue if possible */

@@ -1791,7 +1794,7 @@ void tcp_enter_frto(struct sock *sk)
 	/* Earlier loss recovery underway (see RFC4138; Appendix B).
 	 * The last condition is necessary at least in tp->frto_counter case.
 	 */
-	if (IsSackFrto() && (tp->frto_counter ||
+	if (tcp_is_sackfrto(tp) && (tp->frto_counter ||
 	    ((1 << icsk->icsk_ca_state) & (TCPF_CA_Recovery|TCPF_CA_Loss))) &&
 	    after(tp->high_seq, tp->snd_una)) {
 		tp->frto_highmark = tp->high_seq;

@@ -3110,7 +3113,7 @@ static int tcp_process_frto(struct sock 
 		return 1;
 	}
 
-	if (!IsSackFrto() || tcp_is_reno(tp)) {
+	if (!tcp_is_sackfrto(tp)) {
 		/* RFC4138 shortcoming in step 2; should also have case c):
 		 * ACK isn't duplicate nor advances window, e.g., opposite dir
 		 * data, winupdate

@@ -1841,9 +1841,16 @@ static void tcp_enter_frto_loss(struct s
 			TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS;
 		}
 
-		/* Don't lost mark skbs that were fwd transmitted after RTO */
-		if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) &&
-		    !after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) {
+		/* Marking forward transmissions that were made after RTO lost
+		 * can cause unnecessary retransmissions in some scenarios,
+		 * SACK blocks will mitigate that in some but not in all cases.
+		 * We used to not mark them but it was causing break-ups with
+		 * receivers that do only in-order receival.
+		 *
+		 * TODO: we could detect presence of such receiver and select
+		 * different behavior per flow.
+		 */
+		if (!(TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)) {
 			TCP_SKB_CB(skb)->sacked |= TCPCB_LOST;
 			tp->lost_out += tcp_skb_pcount(skb);
 		}

@@ -1859,7 +1866,7 @@ static void tcp_enter_frto_loss(struct s
 	tp->reordering = min_t(unsigned int, tp->reordering,
 			       sysctl_tcp_reordering);
 	tcp_set_ca_state(sk, TCP_CA_Loss);
-	tp->high_seq = tp->frto_highmark;
+	tp->high_seq = tp->snd_nxt;
 	TCP_ECN_queue_cwr(tp);
 
 	tcp_clear_retrans_hints_partial(tp);

@@ -1457,17 +1457,7 @@ static int __devinit wbsd_request_irq(st
 	int ret;
 
 	/*
-	 * Allocate interrupt.
-	 */
-
-	ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host);
-	if (ret)
-		return ret;
-
-	host->irq = irq;
-
-	/*
-	 * Set up tasklets.
+	 * Set up tasklets. Must be done before requesting interrupt.
 	 */
 	tasklet_init(&host->card_tasklet, wbsd_tasklet_card,
 			(unsigned long)host);

@@ -1480,6 +1470,15 @@ static int __devinit wbsd_request_irq(st
 	tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish,
 			(unsigned long)host);
 
+	/*
+	 * Allocate interrupt.
+	 */
+	ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host);
+	if (ret)
+		return ret;
+
+	host->irq = irq;
+
 	return 0;
 }
 

@@ -53,15 +53,16 @@
 #include <linux/scatterlist.h>
 
 #define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
-#define DRIVER_NAME "HP CISS Driver (v 3.6.14)"
-#define DRIVER_VERSION CCISS_DRIVER_VERSION(3,6,14)
+#define DRIVER_NAME "HP CISS Driver (v 3.6.20)"
+#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 20)
 
 /* Embedded module documentation macros - see modules.h */
 MODULE_AUTHOR("Hewlett-Packard Company");
-MODULE_DESCRIPTION("Driver for HP Controller SA5xxx SA6xxx version 3.6.14");
+MODULE_DESCRIPTION("Driver for HP Smart Array Controllers");
 MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400"
-			" SA6i P600 P800 P400 P400i E200 E200i E500");
-MODULE_VERSION("3.6.14");
+			" SA6i P600 P800 P400 P400i E200 E200i E500 P700m"
+			" Smart Array G2 Series SAS/SATA Controllers");
+MODULE_VERSION("3.6.20");
 MODULE_LICENSE("GPL");
 
 #include "cciss_cmd.h"

@@ -90,6 +91,11 @@ static const struct pci_device_id cciss_
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSD,     0x103C, 0x3215},
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSC,     0x103C, 0x3237},
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSC,     0x103C, 0x323D},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3241},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3243},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3245},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3247},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3249},
 	{PCI_VENDOR_ID_HP,     PCI_ANY_ID,	PCI_ANY_ID, PCI_ANY_ID,
 		PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
 	{0,}

@@ -123,6 +129,11 @@ static struct board_type products[] = {
 	{0x3215103C, "Smart Array E200i", &SA5_access, 120},
 	{0x3237103C, "Smart Array E500", &SA5_access, 512},
 	{0x323D103C, "Smart Array P700m", &SA5_access, 512},
+	{0x3241103C, "Smart Array P212", &SA5_access, 384},
+	{0x3243103C, "Smart Array P410", &SA5_access, 384},
+	{0x3245103C, "Smart Array P410i", &SA5_access, 384},
+	{0x3247103C, "Smart Array P411", &SA5_access, 384},
+	{0x3249103C, "Smart Array P812", &SA5_access, 384},
 	{0xFFFF103C, "Unknown Smart Array", &SA5_access, 120},
 };
 

@@ -716,6 +716,7 @@
 #define PCI_DEVICE_ID_HP_CISSA		0x3220
 #define PCI_DEVICE_ID_HP_CISSC		0x3230
 #define PCI_DEVICE_ID_HP_CISSD		0x3238
+#define PCI_DEVICE_ID_HP_CISSE		0x323a
 #define PCI_DEVICE_ID_HP_ZX2_IOC	0x4031
 
 #define PCI_VENDOR_ID_PCTECH		0x1042

@@ -279,7 +279,7 @@ static void hga_blank(int blank_mode)
 
 static int __init hga_card_detect(void)
 {
-	int count=0;
+	int count = 0;
 	void __iomem *p, *q;
 	unsigned short p_save, q_save;
 

@@ -303,20 +303,18 @@ static int __init hga_card_detect(void)
 	writew(0x55aa, p); if (readw(p) == 0x55aa) count++;
 	writew(p_save, p);
 
-	if (count != 2) {
-		return 0;
-	}
+	if (count != 2)
+		goto error;
 
 	/* Ok, there is definitely a card registering at the correct
 	 * memory location, so now we do an I/O port test.
 	 */
 	
-	if (!test_hga_b(0x66, 0x0f)) {	    /* cursor low register */
-		return 0;
-	}
-	if (!test_hga_b(0x99, 0x0f)) {     /* cursor low register */
-		return 0;
-	}
+	if (!test_hga_b(0x66, 0x0f))	    /* cursor low register */
+		goto error;
+
+	if (!test_hga_b(0x99, 0x0f))     /* cursor low register */
+		goto error;
 
 	/* See if the card is a Hercules, by checking whether the vsync
 	 * bit of the status register is changing.  This test lasts for

@@ -331,7 +329,7 @@ static int __init hga_card_detect(void)
 	}
 
 	if (p_save == q_save) 
-		return 0;
+		goto error;
 
 	switch (inb_p(HGA_STATUS_PORT) & 0x70) {
 		case 0x10:

@@ -348,6 +346,12 @@ static int __init hga_card_detect(void)
 			break;
 	}
 	return 1;
+error:
+	if (release_io_ports)
+		release_region(0x3b0, 12);
+	if (release_io_port)
+		release_region(0x3bf, 1);
+	return 0;
 }
 
 /**

@@ -3111,6 +3111,20 @@ static void nv_link_irq(struct net_devic
 	dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name);
 }
 
+static void nv_msi_workaround(struct fe_priv *np)
+{
+
+	/* Need to toggle the msi irq mask within the ethernet device,
+	 * otherwise, future interrupts will not be detected.
+	 */
+	if (np->msi_flags & NV_MSI_ENABLED) {
+		u8 __iomem *base = np->base;
+
+		writel(0, base + NvRegMSIIrqMask);
+		writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask);
+	}
+}
+
 static irqreturn_t nv_nic_irq(int foo, void *data)
 {
 	struct net_device *dev = (struct net_device *) data;

@@ -3133,6 +3147,8 @@ static irqreturn_t nv_nic_irq(int foo, v
 		if (!(events & np->irqmask))
 			break;
 
+		nv_msi_workaround(np);
+
 		spin_lock(&np->lock);
 		nv_tx_done(dev);
 		spin_unlock(&np->lock);

@@ -3248,6 +3264,8 @@ static irqreturn_t nv_nic_irq_optimized(
 		if (!(events & np->irqmask))
 			break;
 
+		nv_msi_workaround(np);
+
 		spin_lock(&np->lock);
 		nv_tx_done_optimized(dev, TX_WORK_PER_LOOP);
 		spin_unlock(&np->lock);

@@ -3588,6 +3606,8 @@ static irqreturn_t nv_nic_irq_test(int f
 	if (!(events & NVREG_IRQ_TIMER))
 		return IRQ_RETVAL(0);
 
+	nv_msi_workaround(np);
+
 	spin_lock(&np->lock);
 	np->intr_test = 1;
 	spin_unlock(&np->lock);

@@ -2469,6 +2469,20 @@ static inline void tcp_complete_cwr(stru
 	tcp_ca_event(sk, CA_EVENT_COMPLETE_CWR);
 }
 
+static void tcp_try_keep_open(struct sock *sk)
+{
+	struct tcp_sock *tp = tcp_sk(sk);
+	int state = TCP_CA_Open;
+
+	if (tcp_left_out(tp) || tp->retrans_out || tp->undo_marker)
+		state = TCP_CA_Disorder;
+
+	if (inet_csk(sk)->icsk_ca_state != state) {
+		tcp_set_ca_state(sk, state);
+		tp->high_seq = tp->snd_nxt;
+	}
+}
+
 static void tcp_try_to_open(struct sock *sk, int flag)
 {
 	struct tcp_sock *tp = tcp_sk(sk);

@@ -2482,15 +2496,7 @@ static void tcp_try_to_open(struct sock 
 		tcp_enter_cwr(sk, 1);
 
 	if (inet_csk(sk)->icsk_ca_state != TCP_CA_CWR) {
-		int state = TCP_CA_Open;
-
-		if (tcp_left_out(tp) || tp->retrans_out || tp->undo_marker)
-			state = TCP_CA_Disorder;
-
-		if (inet_csk(sk)->icsk_ca_state != state) {
-			tcp_set_ca_state(sk, state);
-			tp->high_seq = tp->snd_nxt;
-		}
+		tcp_try_keep_open(sk);
 		tcp_moderate_cwnd(tp);
 	} else {
 		tcp_cwnd_down(sk, flag);

@@ -3296,8 +3302,11 @@ no_queue:
 	return 1;
 
 old_ack:
-	if (TCP_SKB_CB(skb)->sacked)
+	if (TCP_SKB_CB(skb)->sacked) {
 		tcp_sacktag_write_queue(sk, skb, prior_snd_una);
+		if (icsk->icsk_ca_state == TCP_CA_Open)
+			tcp_try_keep_open(sk);
+	}
 
 uninteresting_ack:
 	SOCK_DEBUG(sk, "Ack %u out of %u:%u\n", ack, tp->snd_una, tp->snd_nxt);

@@ -144,7 +144,7 @@ struct ib_umem *ib_umem_get(struct ib_uc
 	ret = 0;
 	while (npages) {
 		ret = get_user_pages(current, current->mm, cur_base,
-				     min_t(int, npages,
+				     min_t(unsigned long, npages,
 					   PAGE_SIZE / sizeof (struct page *)),
 				     1, !umem->writable, page_list, vma_list);
 

@@ -410,8 +410,50 @@ static inline int ext2_find_next_zero_bi
 	res = ext2_find_first_zero_bit (p, size - 32 * (p - addr));
 	return (p - addr) * 32 + res;
 }
-#define ext2_find_next_bit(addr, size, off) \
-	generic_find_next_le_bit((unsigned long *)(addr), (size), (off))
+
+static inline int ext2_find_first_bit(const void *vaddr, unsigned size)
+{
+	const unsigned long *p = vaddr, *addr = vaddr;
+	int res;
+
+	if (!size)
+		return 0;
+
+	size = (size >> 5) + ((size & 31) > 0);
+	while (*p++ == 0UL)
+	{
+		if (--size == 0)
+			return (p - addr) << 5;
+	}
+
+	--p;
+	for (res = 0; res < 32; res++)
+		if (ext2_test_bit(res, p))
+			break;
+	return (p - addr) * 32 + res;
+}
+
+static inline int ext2_find_next_bit(const void *vaddr, unsigned size,
+				     unsigned offset)
+{
+	const unsigned long *addr = vaddr;
+	const unsigned long *p = addr + (offset >> 5);
+	int bit = offset & 31UL, res;
+
+	if (offset >= size)
+		return size;
+
+	if (bit) {
+		/* Look for one in first longword */
+		for (res = bit; res < 32; res++)
+			if (ext2_test_bit(res, p))
+				return (p - addr) * 32 + res;
+		p++;
+	}
+	/* No set bit yet, search remaining full bytes for a set bit */
+	res = ext2_find_first_bit(p, size - 32 * (p - addr));
+	return (p - addr) * 32 + res;
+}
 
 #endif /* __KERNEL__ */
 

@@ -97,9 +97,6 @@ cifs_read_super(struct super_block *sb, 
 {
 	struct inode *inode;
 	struct cifs_sb_info *cifs_sb;
-#ifdef CONFIG_CIFS_DFS_UPCALL
-	int len;
-#endif
 	int rc = 0;
 
 	/* BB should we make this contingent on mount parm? */

@@ -117,15 +114,17 @@ cifs_read_super(struct super_block *sb, 
 	 * complex operation (mount), and in case of fail
 	 * just exit instead of doing mount and attempting
 	 * undo it if this copy fails?*/
-	len = strlen(data);
-	cifs_sb->mountdata = kzalloc(len + 1, GFP_KERNEL);
-	if (cifs_sb->mountdata == NULL) {
-		kfree(sb->s_fs_info);
-		sb->s_fs_info = NULL;
-		return -ENOMEM;
+	if (data) {
+		int len = strlen(data);
+		cifs_sb->mountdata = kzalloc(len + 1, GFP_KERNEL);
+		if (cifs_sb->mountdata == NULL) {
+			kfree(sb->s_fs_info);
+			sb->s_fs_info = NULL;
+			return -ENOMEM;
+		}
+		strncpy(cifs_sb->mountdata, data, len + 1);
+		cifs_sb->mountdata[len] = '\0';
 	}
-	strncpy(cifs_sb->mountdata, data, len + 1);
-	cifs_sb->mountdata[len] = '\0';
 #endif
 
 	rc = cifs_mount(sb, cifs_sb, data, devname);

@@ -410,7 +410,7 @@ static int cpufreq_parse_governor (char 
 				int ret;
 
 				mutex_unlock(&cpufreq_governor_mutex);
-				ret = request_module(name);
+				ret = request_module("%s", name);
 				mutex_lock(&cpufreq_governor_mutex);
 
 				if (ret == 0)

@@ -2022,6 +2022,8 @@ int uart_suspend_port(struct uart_driver
 int uart_resume_port(struct uart_driver *drv, struct uart_port *port)
 {
 	struct uart_state *state = drv->state + port->line;
+	struct device *tty_dev;
+	struct uart_match match = {port, drv};
 
 	mutex_lock(&state->mutex);
 

@@ -2031,7 +2033,8 @@ int uart_resume_port(struct uart_driver 
 		return 0;
 	}
 
-	if (!port->suspended) {
+	tty_dev = device_find_child(port->dev, &match, serial_match_port);
+	if (!port->suspended && device_may_wakeup(tty_dev)) {
 		disable_irq_wake(port->irq);
 		mutex_unlock(&state->mutex);
 		return 0;

@@ -2613,7 +2613,7 @@ static int vidiocgmbuf(struct file *file
 	struct bttv_fh *fh = priv;
 
 	mutex_lock(&fh->cap.vb_lock);
-	retval = videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize,
+	retval = __videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize,
 				     V4L2_MEMORY_MMAP);
 	if (retval < 0) {
 		mutex_unlock(&fh->cap.vb_lock);

@@ -335,7 +335,7 @@ int videobuf_mmap_free(struct videobuf_q
 }
 
 /* Locking: Caller holds q->vb_lock */
-static int __videobuf_mmap_setup(struct videobuf_queue *q,
+int __videobuf_mmap_setup(struct videobuf_queue *q,
 			unsigned int bcount, unsigned int bsize,
 			enum v4l2_memory memory)
 {

@@ -1093,6 +1093,7 @@ EXPORT_SYMBOL_GPL(videobuf_read_stream);
 EXPORT_SYMBOL_GPL(videobuf_read_one);
 EXPORT_SYMBOL_GPL(videobuf_poll_stream);
 
+EXPORT_SYMBOL_GPL(__videobuf_mmap_setup);
 EXPORT_SYMBOL_GPL(videobuf_mmap_setup);
 EXPORT_SYMBOL_GPL(videobuf_mmap_free);
 EXPORT_SYMBOL_GPL(videobuf_mmap_mapper);

@@ -227,6 +227,9 @@ unsigned int videobuf_poll_stream(struct
 int videobuf_mmap_setup(struct videobuf_queue *q,
 			unsigned int bcount, unsigned int bsize,
 			enum v4l2_memory memory);
+int __videobuf_mmap_setup(struct videobuf_queue *q,
+			unsigned int bcount, unsigned int bsize,
+			enum v4l2_memory memory);
 int videobuf_mmap_free(struct videobuf_queue *q);
 int videobuf_mmap_mapper(struct videobuf_queue *q,
 			 struct vm_area_struct *vma);

@@ -2723,6 +2723,7 @@ static int ieee80211_sta_join_ibss(struc
 	struct rate_selection ratesel;
 	u8 *pos;
 	struct ieee80211_sub_if_data *sdata;
+	union iwreq_data wrqu;
 
 	/* Remove possible STA entries from other IBSS networks. */
 	sta_info_flush(local, NULL);

@@ -2863,6 +2864,10 @@ static int ieee80211_sta_join_ibss(struc
 
 	ieee80211_rx_bss_put(dev, bss);
 
+	memset(&wrqu, 0, sizeof(wrqu));
+	memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
+	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+
 	return res;
 }