Hi Gabriele,
> Most likely, the shutdown routine requires the interface to be up.
> This is the case for BTUSB_INTEL: the routine tries to send a command
> to the interface, but since this one is down, it fails and exits once
> HCI_INIT_TIMEOUT has expired.
>
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>
> ---
> net/bluetooth/hci_core.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
> index 476709b..4663c3d 100644
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -1557,7 +1557,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
> {
> BT_DBG("%s %p", hdev->name, hdev);
>
> - if (!hci_dev_test_flag(hdev, HCI_UNREGISTER)) {
> + if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
> + test_bit(HCI_UP, &hdev->flags)) {
> /* Execute vendor specific shutdown routine */
> if (hdev->shutdown)
> hdev->shutdown(hdev);
this is a good catch.
Acked-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 4.0.x
Dave, do you want to take this patch straight into your stable tree?
Regards
Marcel
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