Bluetooth: Fix checking for correct mgmt_load_link_keys parameters

The debug_keys parameter is only allowed to have the values 0x00 and
0x01. Any other value should result in a proper command status with
MGMT_STATUS_INVALID_PARAMS.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 36b23101d651998718ef80c2837ee3f7556adebb..d9b042efbf42f7da8cfbac951fc4cfa90ff4e28f 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1519,6 +1519,10 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
                                  MGMT_STATUS_INVALID_PARAMS);
        }
 
+       if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
+               return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+                                 MGMT_STATUS_INVALID_PARAMS);
+
        BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
               key_count);