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| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-09-10 22:16:35 -0700 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-09-11 07:32:14 +0200 |
| commit | 7ed3fa20780a5efd22bb192be0908468e7c376ed (patch) | |
| tree | f4668edced6d8cee6b047834e48aa815dc65e552 /net/bluetooth | |
| parent | 5be5e275ad214bbb420425754354add679d8ab68 (diff) | |
| download | linux-7ed3fa20780a5efd22bb192be0908468e7c376ed.tar.gz linux-7ed3fa20780a5efd22bb192be0908468e7c376ed.tar.bz2 linux-7ed3fa20780a5efd22bb192be0908468e7c376ed.zip | |
Bluetooth: Expire RPA if encryption fails
If encryption fails and we're using an RPA it may be because of a
conflict with another device. To avoid repeated failures the safest
action is to simply mark the RPA as expired so that a new one gets
generated as soon as the connection drops.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_event.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 603a17cc52ac..8b0a2a6de419 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2438,6 +2438,12 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) } } + /* We should disregard the current RPA and generate a new one + * whenever the encryption procedure fails. + */ + if (ev->status && conn->type == LE_LINK) + set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags); + clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); if (ev->status && conn->state == BT_CONNECTED) { |