struct l2cap_cmd_hdr *cmd, u16 cmd_len,
                                   u8 *data)
 {
+       int err = 0;
+
        switch (cmd->code) {
        case L2CAP_COMMAND_REJ:
-               return 0;
+               break;
 
        case L2CAP_CONN_PARAM_UPDATE_REQ:
-               return l2cap_conn_param_update_req(conn, cmd, cmd_len, data);
+               err = l2cap_conn_param_update_req(conn, cmd, cmd_len, data);
+               break;
 
        case L2CAP_CONN_PARAM_UPDATE_RSP:
-               return 0;
+               break;
 
        case L2CAP_LE_CONN_RSP:
                l2cap_le_connect_rsp(conn, cmd, cmd_len, data);
-               return 0;
+               break;
 
        case L2CAP_LE_CONN_REQ:
-               return l2cap_le_connect_req(conn, cmd, cmd_len, data);
+               err = l2cap_le_connect_req(conn, cmd, cmd_len, data);
+               break;
 
        case L2CAP_DISCONN_REQ:
-               return l2cap_disconnect_req(conn, cmd, cmd_len, data);
+               err = l2cap_disconnect_req(conn, cmd, cmd_len, data);
+               break;
 
        case L2CAP_DISCONN_RSP:
                l2cap_disconnect_rsp(conn, cmd, cmd_len, data);
-               return 0;
+               break;
 
        default:
                BT_ERR("Unknown LE signaling command 0x%2.2x", cmd->code);
-               return -EINVAL;
+               err = -EINVAL;
+               break;
        }
+
+       return err;
 }
 
 static inline void l2cap_le_sig_channel(struct l2cap_conn *conn,