diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 28e5975246c70010575d5a82f15211ebab54f174..15305fa5506713ea1a0a9086c06da0ff26a6f9af 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2408,6 +2408,17 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, hci_dev_lock(hdev); + /* If the old values are the same as the new ones just return a + * direct command complete event. + */ + if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && + !memcmp(hdev->short_name, cp->short_name, + sizeof(hdev->short_name))) { + err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, + data, len); + goto failed; + } + memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); if (!hdev_is_powered(hdev)) {