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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-08-05 20:58:57 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-08-08 08:38:53 +0200
commitcbdbd2a8bc5cb3ddae45fcfd86d4ee70097b23cf (patch)
tree91b419e86fd9ae69b7ee5e93405fc166fe799582
parent57d42738839f7110428a63c159d2c8b0584afd7e (diff)
Revert "Bluetooth: Shutdown controller after workqueues are flushed or cancelled"
This reverts commit dd86afb4bb75378848584e0e858929730a878d52 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>
-rw-r--r--net/bluetooth/hci_core.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 50b9a0bbe5df..839c534bdcdb 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1533,6 +1533,14 @@ 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);
@@ -1600,14 +1608,6 @@ 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);