[PATCH 3/6] Bluetooth: mediatek: fix up an error path to restore bdev->tx_state

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From: Sean Wang <sean.wang@xxxxxxxxxxxx>

Restore bdev->tx_state with clearing bit BTMTKUART_TX_WAIT_VND_EVT
when there is an error on waiting for the corresponding event.

Fixes: 7237c4c9ec92 ("Bluetooth: mediatek: Add protocol support for MediaTek serial devices")
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
---
 drivers/bluetooth/btmtkuart.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c
index b8ea011b82d8..9f8177b216b6 100644
--- a/drivers/bluetooth/btmtkuart.c
+++ b/drivers/bluetooth/btmtkuart.c
@@ -115,11 +115,13 @@ static int mtk_hci_wmt_sync(struct hci_dev *hdev, u8 op, u8 flag, u16 plen,
 				  TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
 	if (err == -EINTR) {
 		bt_dev_err(hdev, "Execution of wmt command interrupted");
+		clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state);
 		return err;
 	}
 
 	if (err) {
 		bt_dev_err(hdev, "Execution of wmt command timed out");
+		clear_bit(BTMTKUART_TX_WAIT_VND_EVT, &bdev->tx_state);
 		return -ETIMEDOUT;
 	}
 
-- 
2.18.0




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