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Commit cf99ba13 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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Bluetooth: Restrict loading of long term keys to LE capable controllers 



Loading long term keys into a BR/EDR only controller make no sense.
The kernel would never use any of these keys. So instead of allowing
userspace to waste memory, reject such operation with a not supported
error message.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 9060d5cf

net/bluetooth/mgmt.c

+6 −0
Original line number Diff line number Diff line
@@ -3553,6 +3553,12 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, 
	u16 key_count, expected_len;

	int i, err;



	BT_DBG("request for %s", hdev->name);



	if (!lmp_le_capable(hdev))

		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,

				  MGMT_STATUS_NOT_SUPPORTED);



	key_count = __le16_to_cpu(cp->key_count);



	expected_len = sizeof(*cp) + key_count *