HCI_REQ_PEND
if (conn->state == BT_CONNECT && READ_ONCE(hdev->req_status) == HCI_REQ_PEND) {
if (READ_ONCE(hdev->req_status) == HCI_REQ_PEND &&
WRITE_ONCE(hdev->req_status, HCI_REQ_PEND);
READ_ONCE(hdev->req_status) != HCI_REQ_PEND,
if (READ_ONCE(hdev->req_status) != HCI_REQ_PEND)
if (READ_ONCE(hdev->req_status) == HCI_REQ_PEND) {
if (READ_ONCE(hdev->req_status) == HCI_REQ_PEND) {