hci_find_irk_by_addr
struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
irk = hci_find_irk_by_addr(hdev, dst, dst_type);
irk = hci_find_irk_by_addr(hdev, bdaddr, addr_type);
irk = hci_find_irk_by_addr(hdev, ¶ms->addr, params->addr_type);
irk = hci_find_irk_by_addr(hdev, ¶ms->addr, params->addr_type);