From: Nicolas Boichat Date: Tue, 21 Jul 2020 02:37:16 +0000 (+0800) Subject: Bluetooth: hci_serdev: Only unregister device if it was registered X-Git-Tag: v5.10.7~1943^2~89^2~14 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=202798db9570104728dce8bb57dfeed47ce764bc;p=platform%2Fkernel%2Flinux-rpi.git Bluetooth: hci_serdev: Only unregister device if it was registered 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 Signed-off-by: Marcel Holtmann --- diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c index 599855e..7b23331 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);