hci_skb_event
switch (hci_skb_event(hdev->sent_cmd)) {
if (ev->status || (hdev->req_skb && !hci_skb_event(hdev->req_skb))) {
hci_skb_event(hdev->req_skb) == ev->subevent) {
hci_skb_event(hdev->req_skb) == event) {
hci_skb_event(skb) = event;