Bluetooth: Fix old_key_type logic for non-persistent keys

Even if there's no previous key stored the connection might still be
secured with a non-persistent key and in that case the key type in the
hci_conn struct should be checked.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 5f55aef63e20..2ac6036b70c3 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1069,7 +1069,7 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
                 old_key_type = old_key->type;
                 key = old_key;
         } else {
-                old_key_type = 0xff;
+                old_key_type = conn ? conn->key_type : 0xff;
                 key = kzalloc(sizeof(*key), GFP_ATOMIC);
                 if (!key)
                         return -ENOMEM;