arm: configs: enable some touchscreen driver

[firefly-linux-kernel-4.4.55.git] / net / bluetooth / smp.c

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index c91353841e40500790c13d2ce894460e1cbbe9e3..4b175df35184b08b5695d966f66b129148c6c011 100644 (file)
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -1072,22 +1072,6 @@ static void smp_notify_keys(struct l2cap_conn *conn)
                        hcon->dst_type = smp->remote_irk->addr_type;
                        queue_work(hdev->workqueue, &conn->id_addr_update_work);
                }
-
-               /* When receiving an indentity resolving key for
-                * a remote device that does not use a resolvable
-                * private address, just remove the key so that
-                * it is possible to use the controller white
-                * list for scanning.
-                *
-                * Userspace will have been told to not store
-                * this key at this point. So it is safe to
-                * just remove it.
-                */
-               if (!bacmp(&smp->remote_irk->rpa, BDADDR_ANY)) {
-                       list_del_rcu(&smp->remote_irk->list);
-                       kfree_rcu(smp->remote_irk, rcu);
-                       smp->remote_irk = NULL;
-               }
        }
 
        if (smp->csrk) {
@@ -3027,8 +3011,13 @@ static void smp_ready_cb(struct l2cap_chan *chan)
 
        BT_DBG("chan %p", chan);
 
+       /* No need to call l2cap_chan_hold() here since we already own
+        * the reference taken in smp_new_conn_cb(). This is just the
+        * first time that we tie it to a specific pointer. The code in
+        * l2cap_core.c ensures that there's no risk this function wont
+        * get called if smp_new_conn_cb was previously called.
+        */
        conn->smp = chan;
-       l2cap_chan_hold(chan);
 
        if (hcon->type == ACL_LINK && test_bit(HCI_CONN_ENCRYPT, &hcon->flags))
                bredr_pairing(chan);