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Subject[PATCH 2/2] Bluetooth: hci_serdev: Only unregister device if it was registered
Date
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>

---

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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