diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0908eaa7cacf..20408d386268 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2233,10 +2233,22 @@ static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
-	if (conn)
+	if (conn) {
+		u8 type = conn->type;
+
 		mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
 				       conn->dst_type, status);
 
+		/* If the disconnection failed for any reason, the upper layer
+		 * does not retry to disconnect in current implementation.
+		 * Hence, we need to do some basic cleanup here and re-enable
+		 * advertising if necessary.
+		 */
+		hci_conn_del(conn);
+		if (type == LE_LINK)
+			hci_req_reenable_advertising(hdev);
+	}
+
 	hci_dev_unlock(hdev);
 }