Bluetooth: Use __le64 type for LE random numbers
The random numbers in Bluetooth Low Energy are 64-bit numbers and should
also be little endian since the HCI specification is little endian.
Change the whole Low Energy pairing to use __le64 instead of a byte
array.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 7d6f05e..5b08029 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -231,7 +231,7 @@
hci_send_cmd(hdev, HCI_OP_LE_CONN_UPDATE, sizeof(cp), &cp);
}
-void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],
+void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
__u8 ltk[16])
{
struct hci_dev *hdev = conn->hdev;
@@ -242,9 +242,9 @@
memset(&cp, 0, sizeof(cp));
cp.handle = cpu_to_le16(conn->handle);
- memcpy(cp.ltk, ltk, sizeof(cp.ltk));
+ cp.rand = rand;
cp.ediv = ediv;
- memcpy(cp.rand, rand, sizeof(cp.rand));
+ memcpy(cp.ltk, ltk, sizeof(cp.ltk));
hci_send_cmd(hdev, HCI_OP_LE_START_ENC, sizeof(cp), &cp);
}