diff options
| author | Marcel Holtmann <marcel@holtmann.org> | 2013-10-02 21:16:07 -0700 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2013-10-03 09:32:57 +0300 |
| commit | 9060d5cf5200c37dd23f5502bd7c3ccadce04a5f (patch) | |
| tree | 7029787be63ed935018efd95eb8cc81830a8f250 /net/bluetooth/mgmt.c | |
| parent | 62af444319120347371ae24043da28db75b729db (diff) | |
| download | lwn-9060d5cf5200c37dd23f5502bd7c3ccadce04a5f.tar.gz lwn-9060d5cf5200c37dd23f5502bd7c3ccadce04a5f.zip | |
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: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/mgmt.c')
| -rw-r--r-- | net/bluetooth/mgmt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index bbe012e93b70..bf33c5280f66 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -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 * |