asgardius/android_kernel_motorola_sm6225
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Bluetooth: Restrict loading of long term keys to LE capable controllers

Browse source 
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: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2013-10-02 21:16:08 -07:00 committed by Johan Hedberg
parent 9060d5cf52
commit cf99ba1359
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
net/bluetooth/mgmt.c
View file

@ -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 *