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

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (25 commits)
  [Bluetooth] Use work queue to trigger URB submission
  [Bluetooth] Add locking for bt_proto array manipulation
  [Bluetooth] Check if DLC is still attached to the TTY
  [Bluetooth] Fix reference count when connection lookup fails
  [Bluetooth] Disconnect HID interrupt channel first
  [Bluetooth] Support concurrent connect requests
  [Bluetooth] Make use of virtual devices tree
  [Bluetooth] Handle return values from driver core functions
  [Bluetooth] Fix compat ioctl for BNEP, CMTP and HIDP
  [IPV6] sit: Add missing MODULE_LICENSE
  [IPV6]: Remove bogus WARN_ON in Proxy-NA handling.
  [IPv6] rules: Use RT6_LOOKUP_F_HAS_SADDR and fix source based selectors
  [XFRM]: Fix xfrm_state_num going negative.
  [NET]: reduce sizeof(struct inet_peer), cleanup, change in peer_check_expire()
  NetLabel: the CIPSOv4 passthrough mapping does not pass categories correctly
  NetLabel: better error handling involving mls_export_cat()
  NetLabel: only deref the CIPSOv4 standard map fields when using standard mapping
  [BRIDGE]: flush forwarding table when device carrier off
  [NETFILTER]: ctnetlink: Remove debugging messages
  [NETFILTER]: Update MAINTAINERS entry
  ...

MAINTAINERS

@@ -2049,11 +2049,13 @@ P:	Marc Boucher
 P:	James Morris
 P:	Harald Welte
 P:	Jozsef Kadlecsik
-M:	[email protected]
+P:	Patrick McHardy
+M:	[email protected]
+L:	[email protected]
+L:	[email protected]
+L:	[email protected]
 W:	http://www.netfilter.org/
 W:	http://www.iptables.org/
-L:	[email protected]
-L:	[email protected]
 S:	Supported
 
 NETLABEL

drivers/bluetooth/bcm203x.c

@@ -29,7 +29,6 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/errno.h>
-#include <linux/timer.h>
 
 #include <linux/device.h>
 #include <linux/firmware.h>
@@ -43,7 +42,7 @@
 #define BT_DBG(D...)
 #endif
 
-#define VERSION "1.0"
+#define VERSION "1.1"
 
 static int ignore = 0;
 
@@ -72,7 +71,7 @@ struct bcm203x_data {
 
 	unsigned long		state;
 
-	struct timer_list	timer;
+	struct work_struct	work;
 
 	struct urb		*urb;
 	unsigned char		*buffer;
@@ -105,7 +104,7 @@ static void bcm203x_complete(struct urb *urb)
 
 		data->state = BCM203X_SELECT_MEMORY;
 
-		mod_timer(&data->timer, jiffies + (HZ / 10));
+		schedule_work(&data->work);
 		break;
 
 	case BCM203X_SELECT_MEMORY:
@@ -158,9 +157,9 @@ static void bcm203x_complete(struct urb *urb)
 	}
 }
 
-static void bcm203x_timer(unsigned long user_data)
+static void bcm203x_work(void *user_data)
 {
-	struct bcm203x_data *data = (struct bcm203x_data *) user_data;
+	struct bcm203x_data *data = user_data;
 
 	if (usb_submit_urb(data->urb, GFP_ATOMIC) < 0)
 		BT_ERR("Can't submit URB");
@@ -247,13 +246,11 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
 
 	release_firmware(firmware);
 
-	init_timer(&data->timer);
-	data->timer.function = bcm203x_timer;
-	data->timer.data = (unsigned long) data;
+	INIT_WORK(&data->work, bcm203x_work, (void *) data);
 
 	usb_set_intfdata(intf, data);
 
-	mod_timer(&data->timer, jiffies + HZ);
+	schedule_work(&data->work);
 
 	return 0;
 }

include/net/bluetooth/hci_core.h

@@ -153,6 +153,7 @@ struct hci_conn {
 	__u8             mode;
 	__u8		 type;
 	__u8		 out;
+	__u8		 attempt;
 	__u8		 dev_class[3];
 	__u8             features[8];
 	__u16            interval;
@@ -289,6 +290,22 @@ static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
 	return NULL;
 }
 
+static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
+					__u8 type, __u16 state)
+{
+	struct hci_conn_hash *h = &hdev->conn_hash;
+	struct list_head *p;
+	struct hci_conn  *c;
+
+	list_for_each(p, &h->list) {
+		c = list_entry(p, struct hci_conn, list);
+		if (c->type == type && c->state == state)
+			return c;
+	}
+	return NULL;
+}
+
+void hci_acl_connect(struct hci_conn *conn);
 void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
 void hci_add_sco(struct hci_conn *conn, __u16 handle);
 

include/net/inetpeer.h

@@ -19,7 +19,7 @@ struct inet_peer
 {
 	struct inet_peer	*avl_left, *avl_right;
 	struct inet_peer	*unused_next, **unused_prevp;
-	unsigned long		dtime;		/* the time of last use of not
+	__u32			dtime;		/* the time of last use of not
 						 * referenced entries */
 	atomic_t		refcnt;
 	__be32			v4daddr;	/* peer's address */
@@ -35,21 +35,8 @@ void			inet_initpeers(void) __init;
 /* can be called with or without local BH being disabled */
 struct inet_peer	*inet_getpeer(__be32 daddr, int create);
 
-extern spinlock_t inet_peer_unused_lock;
-extern struct inet_peer **inet_peer_unused_tailp;
 /* can be called from BH context or outside */
-static inline void	inet_putpeer(struct inet_peer *p)
-{
-	spin_lock_bh(&inet_peer_unused_lock);
-	if (atomic_dec_and_test(&p->refcnt)) {
-		p->unused_prevp = inet_peer_unused_tailp;
-		p->unused_next = NULL;
-		*inet_peer_unused_tailp = p;
-		inet_peer_unused_tailp = &p->unused_next;
-		p->dtime = jiffies;
-	}
-	spin_unlock_bh(&inet_peer_unused_lock);
-}
+extern void inet_putpeer(struct inet_peer *p);
 
 extern spinlock_t inet_peer_idlock;
 /* can be called with or without local BH being disabled */

net/bluetooth/af_bluetooth.c

@@ -48,41 +48,56 @@
 #define BT_DBG(D...)
 #endif
 
-#define VERSION "2.10"
+#define VERSION "2.11"
 
 /* Bluetooth sockets */
 #define BT_MAX_PROTO	8
 static struct net_proto_family *bt_proto[BT_MAX_PROTO];
+static DEFINE_RWLOCK(bt_proto_lock);
 
 int bt_sock_register(int proto, struct net_proto_family *ops)
 {
+	int err = 0;
+
 	if (proto < 0 || proto >= BT_MAX_PROTO)
 		return -EINVAL;
 
+	write_lock(&bt_proto_lock);
+
 	if (bt_proto[proto])
-		return -EEXIST;
+		err = -EEXIST;
+	else
+		bt_proto[proto] = ops;
 
-	bt_proto[proto] = ops;
-	return 0;
+	write_unlock(&bt_proto_lock);
+
+	return err;
 }
 EXPORT_SYMBOL(bt_sock_register);
 
 int bt_sock_unregister(int proto)
 {
+	int err = 0;
+
 	if (proto < 0 || proto >= BT_MAX_PROTO)
 		return -EINVAL;
 
+	write_lock(&bt_proto_lock);
+
 	if (!bt_proto[proto])
-		return -ENOENT;
+		err = -ENOENT;
+	else
+		bt_proto[proto] = NULL;
 
-	bt_proto[proto] = NULL;
-	return 0;
+	write_unlock(&bt_proto_lock);
+
+	return err;
 }
 EXPORT_SYMBOL(bt_sock_unregister);
 
 static int bt_sock_create(struct socket *sock, int proto)
 {
-	int err = 0;
+	int err;
 
 	if (proto < 0 || proto >= BT_MAX_PROTO)
 		return -EINVAL;
@@ -92,11 +107,18 @@ static int bt_sock_create(struct socket *sock, int proto)
 		request_module("bt-proto-%d", proto);
 	}
 #endif
+
 	err = -EPROTONOSUPPORT;
+
+	read_lock(&bt_proto_lock);
+
 	if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
 		err = bt_proto[proto]->create(sock, proto);
 		module_put(bt_proto[proto]->owner);
 	}
+
+	read_unlock(&bt_proto_lock);
+
 	return err; 
 }
 

net/bluetooth/bnep/core.c

@@ -528,12 +528,10 @@ static struct device *bnep_get_device(struct bnep_session *session)
 		return NULL;
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
-	if (!conn)
-		return NULL;
 
 	hci_dev_put(hdev);
 
-	return &conn->dev;
+	return conn ? &conn->dev : NULL;
 }
 
 int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)

net/bluetooth/bnep/sock.c

@@ -43,6 +43,7 @@
 #include <linux/ioctl.h>
 #include <linux/file.h>
 #include <linux/init.h>
+#include <linux/compat.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
@@ -146,24 +147,56 @@ static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 	return 0;
 }
 
+#ifdef CONFIG_COMPAT
+static int bnep_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+	if (cmd == BNEPGETCONNLIST) {
+		struct bnep_connlist_req cl;
+		uint32_t uci;
+		int err;
+
+		if (get_user(cl.cnum, (uint32_t __user *) arg) ||
+				get_user(uci, (u32 __user *) (arg + 4)))
+			return -EFAULT;
+
+		cl.ci = compat_ptr(uci);
+
+		if (cl.cnum <= 0)
+			return -EINVAL;
+
+		err = bnep_get_connlist(&cl);
+
+		if (!err && put_user(cl.cnum, (uint32_t __user *) arg))
+			err = -EFAULT;
+
+		return err;
+	}
+
+	return bnep_sock_ioctl(sock, cmd, arg);
+}
+#endif
+
 static const struct proto_ops bnep_sock_ops = {
-	.family     = PF_BLUETOOTH,
-	.owner      = THIS_MODULE,
-	.release    = bnep_sock_release,
-	.ioctl      = bnep_sock_ioctl,
-	.bind       = sock_no_bind,
-	.getname    = sock_no_getname,
-	.sendmsg    = sock_no_sendmsg,
-	.recvmsg    = sock_no_recvmsg,
-	.poll       = sock_no_poll,
-	.listen     = sock_no_listen,
-	.shutdown   = sock_no_shutdown,
-	.setsockopt = sock_no_setsockopt,
-	.getsockopt = sock_no_getsockopt,
-	.connect    = sock_no_connect,
-	.socketpair = sock_no_socketpair,
-	.accept     = sock_no_accept,
-	.mmap       = sock_no_mmap
+	.family		= PF_BLUETOOTH,
+	.owner		= THIS_MODULE,
+	.release	= bnep_sock_release,
+	.ioctl		= bnep_sock_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= bnep_sock_compat_ioctl,
+#endif
+	.bind		= sock_no_bind,
+	.getname	= sock_no_getname,
+	.sendmsg	= sock_no_sendmsg,
+	.recvmsg	= sock_no_recvmsg,
+	.poll		= sock_no_poll,
+	.listen		= sock_no_listen,
+	.shutdown	= sock_no_shutdown,
+	.setsockopt	= sock_no_setsockopt,
+	.getsockopt	= sock_no_getsockopt,
+	.connect	= sock_no_connect,
+	.socketpair	= sock_no_socketpair,
+	.accept		= sock_no_accept,
+	.mmap		= sock_no_mmap
 };
 
 static struct proto bnep_proto = {
@@ -181,7 +214,7 @@ static int bnep_sock_create(struct socket *sock, int protocol)
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(PF_BLUETOOTH, GFP_KERNEL, &bnep_proto, 1);
+	sk = sk_alloc(PF_BLUETOOTH, GFP_ATOMIC, &bnep_proto, 1);
 	if (!sk)
 		return -ENOMEM;
 

net/bluetooth/cmtp/sock.c

@@ -34,6 +34,7 @@
 #include <linux/socket.h>
 #include <linux/ioctl.h>
 #include <linux/file.h>
+#include <linux/compat.h>
 #include <net/sock.h>
 
 #include <linux/isdn/capilli.h>
@@ -137,11 +138,43 @@ static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 	return -EINVAL;
 }
 
+#ifdef CONFIG_COMPAT
+static int cmtp_sock_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+	if (cmd == CMTPGETCONNLIST) {
+		struct cmtp_connlist_req cl;
+		uint32_t uci;
+		int err;
+
+		if (get_user(cl.cnum, (uint32_t __user *) arg) ||
+				get_user(uci, (u32 __user *) (arg + 4)))
+			return -EFAULT;
+
+		cl.ci = compat_ptr(uci);
+
+		if (cl.cnum <= 0)
+			return -EINVAL;
+
+		err = cmtp_get_connlist(&cl);
+
+		if (!err && put_user(cl.cnum, (uint32_t __user *) arg))
+			err = -EFAULT;
+
+		return err;
+	}
+
+	return cmtp_sock_ioctl(sock, cmd, arg);
+}
+#endif
+
 static const struct proto_ops cmtp_sock_ops = {
 	.family		= PF_BLUETOOTH,
 	.owner		= THIS_MODULE,
 	.release	= cmtp_sock_release,
 	.ioctl		= cmtp_sock_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl	= cmtp_sock_compat_ioctl,
+#endif
 	.bind		= sock_no_bind,
 	.getname	= sock_no_getname,
 	.sendmsg	= sock_no_sendmsg,
@@ -172,7 +205,7 @@ static int cmtp_sock_create(struct socket *sock, int protocol)
 	if (sock->type != SOCK_RAW)
 		return -ESOCKTNOSUPPORT;
 
-	sk = sk_alloc(PF_BLUETOOTH, GFP_KERNEL, &cmtp_proto, 1);
+	sk = sk_alloc(PF_BLUETOOTH, GFP_ATOMIC, &cmtp_proto, 1);
 	if (!sk)
 		return -ENOMEM;