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Bluetooth: Use delayed_work for connection timeout

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Bluetooth rx task runs now in a workqueue, so it a good approach run any
timer that share locking with process context code also in a workqueue.

Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-06-17 13:03:21 -03:00
parent 09fd0de5bd
commit 19c40e3bca
2 changed files with 10 additions and 7 deletions
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8
include/net/bluetooth/hci_core.h
View file

@ -297,7 +297,7 @@ struct hci_conn {
struct sk_buff_head data_q;
struct list_head chan_list;
struct timer_list disc_timer;
struct delayed_work disc_work;
struct timer_list idle_timer;
struct timer_list auto_accept_timer;
@ -517,7 +517,7 @@ void hci_conn_put_device(struct hci_conn *conn);
static inline void hci_conn_hold(struct hci_conn *conn)
{
atomic_inc(&conn->refcnt);
del_timer(&conn->disc_timer);
cancel_delayed_work_sync(&conn->disc_work);
}
static inline void hci_conn_put(struct hci_conn *conn)
@ -536,7 +536,9 @@ static inline void hci_conn_put(struct hci_conn *conn)
} else {
timeo = msecs_to_jiffies(10);
}
mod_timer(&conn->disc_timer, jiffies + timeo);
cancel_delayed_work_sync(&conn->disc_work);
queue_delayed_work(conn->hdev->workqueue,
&conn->disc_work, jiffies + timeo);
}
}

9
net/bluetooth/hci_conn.c
View file

@ -275,9 +275,10 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status)
}
}
static void hci_conn_timeout(unsigned long arg)
static void hci_conn_timeout(struct work_struct *work)
{
struct hci_conn *conn = (void *) arg;
struct hci_conn *conn = container_of(work, struct hci_conn,
disc_work.work);
struct hci_dev *hdev = conn->hdev;
__u8 reason;
@ -412,7 +413,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
INIT_LIST_HEAD(&conn->chan_list);;
setup_timer(&conn->disc_timer, hci_conn_timeout, (unsigned long)conn);
INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);
setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn);
setup_timer(&conn->auto_accept_timer, hci_conn_auto_accept,
(unsigned long) conn);
@ -444,7 +445,7 @@ int hci_conn_del(struct hci_conn *conn)
del_timer(&conn->idle_timer);
del_timer(&conn->disc_timer);
cancel_delayed_work_sync(&conn->disc_work);
del_timer(&conn->auto_accept_timer);