break;
 
        case J1939_ETP_CMD_RTS:
-       case J1939_TP_CMD_RTS: /* fall through */
+               fallthrough;
+       case J1939_TP_CMD_RTS:
                abort = J1939_XTP_ABORT_BUSY;
                break;
 
        case J1939_ETP_CMD_CTS:
-       case J1939_TP_CMD_CTS: /* fall through */
+               fallthrough;
+       case J1939_TP_CMD_CTS:
                abort = J1939_XTP_ABORT_ECTS_UNXPECTED_PGN;
                break;
 
                break;
 
        case J1939_ETP_CMD_EOMA:
-       case J1939_TP_CMD_EOMA: /* fall through */
+               fallthrough;
+       case J1939_TP_CMD_EOMA:
                abort = J1939_XTP_ABORT_OTHER;
                break;
 
                        break;
                fallthrough;
        case J1939_TP_CMD_BAM:
-       case J1939_TP_CMD_CTS: /* fall through */
+               fallthrough;
+       case J1939_TP_CMD_CTS:
                if (skcb->addr.type != J1939_ETP)
                        break;
                fallthrough;
                extd = J1939_ETP;
                fallthrough;
        case J1939_TP_CMD_BAM:
-       case J1939_TP_CMD_RTS: /* fall through */
+               fallthrough;
+       case J1939_TP_CMD_RTS:
                if (skcb->addr.type != extd)
                        return;