If turning off BT during pairing, "hci_acl_create_conn_sync" has chances to be left in cmd_sync_work_list. Then the driver will try to send the HCI command of creating connection but failed. When establishing ACL link, add judgment for BT power off. Change-Id: I9844a1ce1f207453e4fadeded3da1738eb4660c9 Signed-off-by: Shuai Zhang <quic_shuaz@xxxxxxxxxxx> --- 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 aeeadb45e..fdd57132e 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -6761,7 +6761,7 @@ static int hci_acl_create_conn_sync(struct hci_dev *hdev, void *data) struct hci_cp_create_conn cp; int err; - if (!hci_conn_valid(hdev, conn)) + if (!hci_conn_valid(hdev, conn) || !test_bit(HCI_UP, &hdev->flags)) return -ECANCELED; /* Many controllers disallow HCI Create Connection while it is doing -- 2.34.1
