diff options
| author | Johan Hedberg <johan.hedberg@intel.com> | 2014-06-24 14:15:51 +0400 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-07-03 19:42:45 +0400 |
| commit | 6d5650c4e519794fcc441635ea54f47d68140c93 (patch) | |
| tree | 51c1ba7e8c1a3607512b31a039311b53149ea0ed /net/bluetooth/hci_event.c | |
| parent | 0663b297f1953e5d84928722e44f71272f5ff058 (diff) | |
| download | linux-6d5650c4e519794fcc441635ea54f47d68140c93.tar.xz | |
Bluetooth: Don't store debug keys if flag for them is not set
Instead of waiting for a disconnection to occur to remove a debug key
simply never store it in the list to begin with. This means we can also
remove the debug keys check when looking up keys in
hci_link_key_request_evt().
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/hci_event.c')
| -rw-r--r-- | net/bluetooth/hci_event.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index b0fdeec2f2ca..c92c5a020fe7 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3066,12 +3066,6 @@ static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, &ev->bdaddr); - if (!test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags) && - key->type == HCI_LK_DEBUG_COMBINATION) { - BT_DBG("%s ignoring debug key", hdev->name); - goto not_found; - } - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr); if (conn) { if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 || @@ -3141,8 +3135,18 @@ static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb) mgmt_new_link_key(hdev, key, persistent); - if (conn) + /* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag + * is set. If it's not set simply remove the key from the kernel + * list (we've still notified user space about it but with + * store_hint being 0). + */ + if (key->type == HCI_LK_DEBUG_COMBINATION && + !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) { + list_del(&key->list); + kfree(key); + } else if (conn) { conn->flush_key = !persistent; + } unlock: hci_dev_unlock(hdev); |