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-rw-r--r--include/net/bluetooth/hci_core.h1
-rw-r--r--net/bluetooth/hci_conn.c2
-rw-r--r--net/bluetooth/hci_sysfs.c74
3 files changed, 43 insertions, 34 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index be5bd713d2c9..73aead222b32 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -457,6 +457,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
int hci_register_sysfs(struct hci_dev *hdev);
void hci_unregister_sysfs(struct hci_dev *hdev);
+void hci_conn_init_sysfs(struct hci_conn *conn);
void hci_conn_add_sysfs(struct hci_conn *conn);
void hci_conn_del_sysfs(struct hci_conn *conn);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 375f4b4f7f79..61309b26f271 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -248,6 +248,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
+ hci_conn_init_sysfs(conn);
+
tasklet_enable(&hdev->tx_task);
return conn;
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index b7c51082ddeb..582d8877078c 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -9,7 +9,7 @@
struct class *bt_class = NULL;
EXPORT_SYMBOL_GPL(bt_class);
-static struct workqueue_struct *bluetooth;
+static struct workqueue_struct *bt_workq;
static inline char *link_typetostr(int type)
{
@@ -89,8 +89,8 @@ static void add_conn(struct work_struct *work)
{
struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
- /* ensure previous add/del is complete */
- flush_workqueue(bluetooth);
+ /* ensure previous del is complete */
+ flush_work(&conn->work_del);
if (device_add(&conn->dev) < 0) {
BT_ERR("Failed to register connection device");
@@ -98,27 +98,6 @@ static void add_conn(struct work_struct *work)
}
}
-void hci_conn_add_sysfs(struct hci_conn *conn)
-{
- struct hci_dev *hdev = conn->hdev;
-
- BT_DBG("conn %p", conn);
-
- conn->dev.type = &bt_link;
- conn->dev.class = bt_class;
- conn->dev.parent = &hdev->dev;
-
- dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
-
- dev_set_drvdata(&conn->dev, conn);
-
- device_initialize(&conn->dev);
-
- INIT_WORK(&conn->work_add, add_conn);
-
- queue_work(bluetooth, &conn->work_add);
-}
-
/*
* The rfcomm tty device will possibly retain even when conn
* is down, and sysfs doesn't support move zombie device,
@@ -134,8 +113,11 @@ static void del_conn(struct work_struct *work)
struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
struct hci_dev *hdev = conn->hdev;
- /* ensure previous add/del is complete */
- flush_workqueue(bluetooth);
+ /* ensure previous add is complete */
+ flush_work(&conn->work_add);
+
+ if (!device_is_registered(&conn->dev))
+ return;
while (1) {
struct device *dev;
@@ -152,16 +134,40 @@ static void del_conn(struct work_struct *work)
hci_dev_put(hdev);
}
-void hci_conn_del_sysfs(struct hci_conn *conn)
+void hci_conn_init_sysfs(struct hci_conn *conn)
{
+ struct hci_dev *hdev = conn->hdev;
+
BT_DBG("conn %p", conn);
- if (!device_is_registered(&conn->dev))
- return;
+ conn->dev.type = &bt_link;
+ conn->dev.class = bt_class;
+ conn->dev.parent = &hdev->dev;
+
+ dev_set_drvdata(&conn->dev, conn);
+ device_initialize(&conn->dev);
+
+ INIT_WORK(&conn->work_add, add_conn);
INIT_WORK(&conn->work_del, del_conn);
+}
+
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+
+ BT_DBG("conn %p", conn);
+
+ dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
+
+ queue_work(bt_workq, &conn->work_add);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
- queue_work(bluetooth, &conn->work_del);
+ queue_work(bt_workq, &conn->work_del);
}
static inline char *host_typetostr(int type)
@@ -438,13 +444,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
int __init bt_sysfs_init(void)
{
- bluetooth = create_singlethread_workqueue("bluetooth");
- if (!bluetooth)
+ bt_workq = create_singlethread_workqueue("bluetooth");
+ if (!bt_workq)
return -ENOMEM;
bt_class = class_create(THIS_MODULE, "bluetooth");
if (IS_ERR(bt_class)) {
- destroy_workqueue(bluetooth);
+ destroy_workqueue(bt_workq);
return PTR_ERR(bt_class);
}
@@ -453,7 +459,7 @@ int __init bt_sysfs_init(void)
void bt_sysfs_cleanup(void)
{
- destroy_workqueue(bluetooth);
+ destroy_workqueue(bt_workq);
class_destroy(bt_class);
}