From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> Don't try to use HCI_OP_LE_READ_BUFFER_SIZE_V2 if controller don't support ISO channels. Link: https://bugzilla.kernel.org/show_bug.cgi?id=216817 Fixes: c1631dbc00c1 ("Bluetooth: hci_sync: Fix hci_read_buffer_size_sync") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> --- net/bluetooth/hci_sync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 5220bfd75b00..b3676b899647 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -3572,7 +3572,7 @@ static const struct hci_init_stage hci_init2[] = { static int hci_le_read_buffer_size_sync(struct hci_dev *hdev) { /* Use Read LE Buffer Size V2 if supported */ - if (hdev->commands[41] & 0x20) + if (iso_capable(hdev) && hdev->commands[41] & 0x20) return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_BUFFER_SIZE_V2, 0, NULL, HCI_CMD_TIMEOUT); -- 2.37.3
