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Bluetooth: Skip the shutdown routine if the interface is not up

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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@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org # 4.0.x
This commit is contained in:
Gabriele Mazzotta 2015-04-26 20:51:50 +02:00 committed by Marcel Holtmann
parent 7f0b8a56c9
commit d24d81444f
1 changed files with 2 additions and 1 deletions
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3
net/bluetooth/hci_core.c
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@ -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);