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Revert "Bluetooth: Shutdown controller after workqueues are flushed or cancelled"

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This reverts commit 60789afc02 which is
commit 0ea9fd001a14ebc294f112b0361a4e601551d508 upstream.

It has been reported to have problems:
	https://lore.kernel.org/linux-bluetooth/8735ryk0o7.fsf@baylibre.com/

Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Sasha Levin <sashal@kernel.org>
Link: https://lore.kernel.org/r/efee3a58-a4d2-af22-0931-e81b877ab539@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-08-05 20:58:57 +02:00
parent cae3fa3d81
commit 1812895f17
1 changed files with 8 additions and 8 deletions
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16
net/bluetooth/hci_core.c
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@ -1713,6 +1713,14 @@ int hci_dev_do_close(struct hci_dev *hdev)
BT_DBG("%s %p", hdev->name, hdev);
if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
test_bit(HCI_UP, &hdev->flags)) {
/* Execute vendor specific shutdown routine */
if (hdev->shutdown)
hdev->shutdown(hdev);
}
cancel_delayed_work(&hdev->power_off);
hci_request_cancel_all(hdev);
@ -1788,14 +1796,6 @@ int hci_dev_do_close(struct hci_dev *hdev)
clear_bit(HCI_INIT, &hdev->flags);
}
if (!hci_dev_test_flag(hdev, HCI_UNREGISTER) &&
!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) &&
test_bit(HCI_UP, &hdev->flags)) {
/* Execute vendor specific shutdown routine */
if (hdev->shutdown)
hdev->shutdown(hdev);
}
/* flush cmd work */
flush_work(&hdev->cmd_work);