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Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r--net/bluetooth/hci_event.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 5f812455a450..2e8c5765e5ea 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -48,6 +48,10 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
wake_up_bit(&hdev->flags, HCI_INQUIRY);
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ hci_dev_unlock(hdev);
+
hci_conn_check_pending(hdev);
}
@@ -3006,6 +3010,12 @@ static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
if (!conn)
goto unlock;
+ /* For BR/EDR the necessary steps are taken through the
+ * auth_complete event.
+ */
+ if (conn->type != LE_LINK)
+ goto unlock;
+
if (!ev->status)
conn->sec_level = conn->pending_sec_level;
@@ -3171,8 +3181,11 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev,
/* If we're not the initiators request authorization to
* proceed from user space (mgmt_user_confirm with
- * confirm_hint set to 1). */
- if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
+ * confirm_hint set to 1). The exception is if neither
+ * side had MITM in which case we do auto-accept.
+ */
+ if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags) &&
+ (loc_mitm || rem_mitm)) {
BT_DBG("Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;
@@ -3593,7 +3606,13 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
- if (ltk->type & HCI_SMP_STK) {
+ /* Ref. Bluetooth Core SPEC pages 1975 and 2004. STK is a
+ * temporary key used to encrypt a connection following
+ * pairing. It is used during the Encrypted Session Setup to
+ * distribute the keys. Later, security can be re-established
+ * using a distributed LTK.
+ */
+ if (ltk->type == HCI_SMP_STK_SLAVE) {
list_del(&ltk->list);
kfree(ltk);
}