Messages in this thread Patch in this message | | | From | Nicolas Boichat <> | Subject | [PATCH 2/2] Bluetooth: hci_serdev: Only unregister device if it was registered | Date | Tue, 21 Jul 2020 10:37:16 +0800 |
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We should not call hci_unregister_dev if the device was not successfully registered.
Fixes: c34dc3bfa7642fd ("Bluetooth: hci_serdev: Introduce hci_uart_unregister_device()") Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
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drivers/bluetooth/hci_serdev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c index 599855e4c57c13d..7b233312e723fb2 100644 --- a/drivers/bluetooth/hci_serdev.c +++ b/drivers/bluetooth/hci_serdev.c @@ -355,7 +355,8 @@ void hci_uart_unregister_device(struct hci_uart *hu) struct hci_dev *hdev = hu->hdev; clear_bit(HCI_UART_PROTO_READY, &hu->flags); - hci_unregister_dev(hdev); + if (test_bit(HCI_UART_REGISTERED, &hu->flags)) + hci_unregister_dev(hdev); hci_free_dev(hdev); cancel_work_sync(&hu->write_work); -- 2.28.0.rc0.105.gf9edc3c819-goog
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