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Bluetooth: hci_conn: use mod_delayed_work for active mode timeout

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hci_conn_enter_active_mode() uses queue_delayed_work() with the
intention that the work will run after the given timeout. However,
queue_delayed_work() does nothing if the work is already queued, so
depending on the link policy we may end up putting the connection
into idle mode every hdev->idle_timeout ms.

Use mod_delayed_work() instead so the work is queued if not already
queued, and the timeout is updated otherwise.

Signed-off-by: Stefan Sørensen <ssorensen@roku.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Stefan Sørensen 2025-12-16 10:20:09 +01:00 committed by Luiz Augusto von Dentz
parent 544a237ada
commit 49d0901e26
1 changed files with 2 additions and 2 deletions
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4
net/bluetooth/hci_conn.c
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@ -2619,8 +2619,8 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
timer:
if (hdev->idle_timeout > 0)
queue_delayed_work(hdev->workqueue, &conn->idle_work,
msecs_to_jiffies(hdev->idle_timeout));
mod_delayed_work(hdev->workqueue, &conn->idle_work,
msecs_to_jiffies(hdev->idle_timeout));
}
/* Drop all connection on the device */