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-rw-r--r--net/bluetooth/hci_conn.c1
-rw-r--r--net/bluetooth/hci_core.c16
-rw-r--r--net/bluetooth/hci_event.c29
-rw-r--r--net/bluetooth/hci_sock.c105
4 files changed, 62 insertions, 89 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 8549d04..3c68e60 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -35,7 +35,6 @@
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
-#include <linux/notifier.h>
#include <net/sock.h>
#include <asm/system.h>
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 638fa8c..4721728 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -40,7 +40,6 @@
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
-#include <linux/notifier.h>
#include <linux/rfkill.h>
#include <linux/timer.h>
#include <linux/crypto.h>
@@ -69,24 +68,11 @@ DEFINE_RWLOCK(hci_dev_list_lock);
LIST_HEAD(hci_cb_list);
DEFINE_RWLOCK(hci_cb_list_lock);
-/* HCI notifiers list */
-static ATOMIC_NOTIFIER_HEAD(hci_notifier);
-
/* ---- HCI notifications ---- */
-int hci_register_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_register(&hci_notifier, nb);
-}
-
-int hci_unregister_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(&hci_notifier, nb);
-}
-
static void hci_notify(struct hci_dev *hdev, int event)
{
- atomic_notifier_call_chain(&hci_notifier, event, hdev);
+ hci_sock_dev_event(hdev, event);
}
/* ---- HCI requests ---- */
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index e69db4a..f00faf0 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -35,7 +35,6 @@
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/interrupt.h>
-#include <linux/notifier.h>
#include <net/sock.h>
#include <asm/system.h>
@@ -3547,33 +3546,5 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hdev->stat.evt_rx++;
}
-/* Generate internal stack event */
-void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
-{
- struct hci_event_hdr *hdr;
- struct hci_ev_stack_internal *ev;
- struct sk_buff *skb;
-
- skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
- if (!skb)
- return;
-
- hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
- hdr->evt = HCI_EV_STACK_INTERNAL;
- hdr->plen = sizeof(*ev) + dlen;
-
- ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
- ev->type = type;
- memcpy(ev->data, data, dlen);
-
- bt_cb(skb)->incoming = 1;
- __net_timestamp(skb);
-
- bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
- skb->dev = (void *) hdev;
- hci_send_to_sock(hdev, skb);
- kfree_skb(skb);
-}
-
module_param(enable_le, bool, 0644);
MODULE_PARM_DESC(enable_le, "Enable LE support");
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index cf940bd..14727cb 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -189,6 +189,67 @@ void hci_send_to_control(struct sk_buff *skb, struct sock *skip_sk)
read_unlock(&hci_sk_list.lock);
}
+/* Generate internal stack event */
+static void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
+{
+ struct hci_event_hdr *hdr;
+ struct hci_ev_stack_internal *ev;
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(HCI_EVENT_HDR_SIZE + sizeof(*ev) + dlen, GFP_ATOMIC);
+ if (!skb)
+ return;
+
+ hdr = (void *) skb_put(skb, HCI_EVENT_HDR_SIZE);
+ hdr->evt = HCI_EV_STACK_INTERNAL;
+ hdr->plen = sizeof(*ev) + dlen;
+
+ ev = (void *) skb_put(skb, sizeof(*ev) + dlen);
+ ev->type = type;
+ memcpy(ev->data, data, dlen);
+
+ bt_cb(skb)->incoming = 1;
+ __net_timestamp(skb);
+
+ bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ skb->dev = (void *) hdev;
+ hci_send_to_sock(hdev, skb);
+ kfree_skb(skb);
+}
+
+void hci_sock_dev_event(struct hci_dev *hdev, int event)
+{
+ struct hci_ev_si_device ev;
+
+ BT_DBG("hdev %s event %d", hdev->name, event);
+
+ /* Send event to sockets */
+ ev.event = event;
+ ev.dev_id = hdev->id;
+ hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev);
+
+ if (event == HCI_DEV_UNREG) {
+ struct sock *sk;
+ struct hlist_node *node;
+
+ /* Detach sockets from device */
+ read_lock(&hci_sk_list.lock);
+ sk_for_each(sk, node, &hci_sk_list.head) {
+ bh_lock_sock_nested(sk);
+ if (hci_pi(sk)->hdev == hdev) {
+ hci_pi(sk)->hdev = NULL;
+ sk->sk_err = EPIPE;
+ sk->sk_state = BT_OPEN;
+ sk->sk_state_change(sk);
+
+ hci_dev_put(hdev);
+ }
+ bh_unlock_sock(sk);
+ }
+ read_unlock(&hci_sk_list.lock);
+ }
+}
+
static int hci_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
@@ -821,52 +882,12 @@ static int hci_sock_create(struct net *net, struct socket *sock, int protocol,
return 0;
}
-static int hci_sock_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
-{
- struct hci_dev *hdev = (struct hci_dev *) ptr;
- struct hci_ev_si_device ev;
-
- BT_DBG("hdev %s event %ld", hdev->name, event);
-
- /* Send event to sockets */
- ev.event = event;
- ev.dev_id = hdev->id;
- hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev);
-
- if (event == HCI_DEV_UNREG) {
- struct sock *sk;
- struct hlist_node *node;
-
- /* Detach sockets from device */
- read_lock(&hci_sk_list.lock);
- sk_for_each(sk, node, &hci_sk_list.head) {
- bh_lock_sock_nested(sk);
- if (hci_pi(sk)->hdev == hdev) {
- hci_pi(sk)->hdev = NULL;
- sk->sk_err = EPIPE;
- sk->sk_state = BT_OPEN;
- sk->sk_state_change(sk);
-
- hci_dev_put(hdev);
- }
- bh_unlock_sock(sk);
- }
- read_unlock(&hci_sk_list.lock);
- }
-
- return NOTIFY_DONE;
-}
-
static const struct net_proto_family hci_sock_family_ops = {
.family = PF_BLUETOOTH,
.owner = THIS_MODULE,
.create = hci_sock_create,
};
-static struct notifier_block hci_sock_nblock = {
- .notifier_call = hci_sock_dev_event
-};
-
int __init hci_sock_init(void)
{
int err;
@@ -879,8 +900,6 @@ int __init hci_sock_init(void)
if (err < 0)
goto error;
- hci_register_notifier(&hci_sock_nblock);
-
BT_INFO("HCI socket layer initialized");
return 0;
@@ -896,8 +915,6 @@ void hci_sock_cleanup(void)
if (bt_sock_unregister(BTPROTO_HCI) < 0)
BT_ERR("HCI socket unregistration failed");
- hci_unregister_notifier(&hci_sock_nblock);
-
proto_unregister(&hci_sk_proto);
}
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