Bluetooth: Fix LE conn creation

This patch prevents a crash when remote host tries to create a LE
link which already exists. i.e.: call l2test twice passing the
same parameters.

Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org>
Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 6d8b988..4504cb6 100644 (file)
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -430,8 +430,9 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 
        if (type == LE_LINK) {
                le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
-               if (!le)
-                       le = hci_conn_add(hdev, LE_LINK, dst);
+               if (le)
+                       return NULL;
+               le = hci_conn_add(hdev, LE_LINK, dst);
                if (!le)
                        return NULL;
                if (le->state == BT_OPEN)