Bluetooth: Use defined link key size

Remove magic number with defined link key size.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 97c57aa938f3..0bc5555510f3 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -30,6 +30,8 @@
 #define HCI_MAX_EVENT_SIZE      260
 #define HCI_MAX_FRAME_SIZE      (HCI_MAX_ACL_SIZE + 4)
 
+#define HCI_LINK_KEY_SIZE       16
+
 /* HCI dev events */
 #define HCI_DEV_REG                     1
 #define HCI_DEV_UNREG                   2
@@ -371,7 +373,7 @@ struct hci_cp_reject_conn_req {
 #define HCI_OP_LINK_KEY_REPLY           0x040b
 struct hci_cp_link_key_reply {
         bdaddr_t bdaddr;
-        __u8     link_key[16];
+        __u8     link_key[HCI_LINK_KEY_SIZE];
 } __packed;
 
 #define HCI_OP_LINK_KEY_NEG_REPLY       0x040c
@@ -1048,7 +1050,7 @@ struct hci_ev_link_key_req {
 #define HCI_EV_LINK_KEY_NOTIFY          0x18
 struct hci_ev_link_key_notify {
         bdaddr_t bdaddr;
-        __u8     link_key[16];
+        __u8     link_key[HCI_LINK_KEY_SIZE];
         __u8     key_type;
 } __packed;