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Commit 9060d5cf authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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Bluetooth: Restrict loading of link keys to BR/EDR capable controllers 



Loading link keys into a LE 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 62af4443

net/bluetooth/mgmt.c

+6 −0
Original line number Original line Diff line number Diff line
@@ -1825,6 +1825,12 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, 
	u16 key_count, expected_len;

	u16 key_count, expected_len;

	int i;

	int i;





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



	if (!lmp_bredr_capable(hdev))

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

				  MGMT_STATUS_NOT_SUPPORTED);



	key_count = __le16_to_cpu(cp->key_count);

	key_count = __le16_to_cpu(cp->key_count);





	expected_len = sizeof(*cp) + key_count *

	expected_len = sizeof(*cp) + key_count *