diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 027b266ccc74..f4aa814a0397 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -9114,8 +9114,9 @@ static int add_ext_adv_data(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	BT_DBG("%s", hdev->name);
 
-	expected_len = struct_size(cp, data, cp->adv_data_len + cp->scan_rsp_len);
-	if (expected_len != data_len)
+	expected_len = struct_size(cp, data, cp->adv_data_len +
+				   cp->scan_rsp_len);
+	if (expected_len > data_len)
 		return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_EXT_ADV_DATA,
 				       MGMT_STATUS_INVALID_PARAMS);