Il 13/09/22 00:18, sean.wang@xxxxxxxxxxxx ha scritto:
From: Sean Wang <sean.wang@xxxxxxxxxxxx> Reset the BT device whenever the driver detected any WMT failure happened to recover such kind of system-level error as soon as possible. Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
This looks like a fix, so you probably want a Fixes tag for backport. Regards, Angelo
--- drivers/bluetooth/btusb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 653f57a98233..dc86726c8271 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2576,6 +2576,10 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, data->evt_skb = NULL; err_free_wc: kfree(wc); + + if (err < 0) + btmtk_reset_sync(hdev); + return err; }
