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Bluetooth: Restrict loading of link keys to BR/EDR capable controllers

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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: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2013-10-02 21:16:07 -07:00 committed by Johan Hedberg
parent 62af444319
commit 9060d5cf52
1 changed files with 6 additions and 0 deletions
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6
net/bluetooth/mgmt.c
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@ -1825,6 +1825,12 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
u16 key_count, expected_len;
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);
expected_len = sizeof(*cp) + key_count *