int tclass_num, u32 min, u32 max,
                                  u32 probability, bool is_ecn)
 {
-       char cwtp_cmd[max_t(u8, MLXSW_REG_CWTP_LEN, MLXSW_REG_CWTPM_LEN)];
+       char cwtpm_cmd[MLXSW_REG_CWTPM_LEN];
+       char cwtp_cmd[MLXSW_REG_CWTP_LEN];
        struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
        int err;
 
        if (err)
                return err;
 
-       mlxsw_reg_cwtpm_pack(cwtp_cmd, mlxsw_sp_port->local_port, tclass_num,
+       mlxsw_reg_cwtpm_pack(cwtpm_cmd, mlxsw_sp_port->local_port, tclass_num,
                             MLXSW_REG_CWTP_DEFAULT_PROFILE, true, is_ecn);
 
-       return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(cwtpm), cwtp_cmd);
+       return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(cwtpm), cwtpm_cmd);
 }
 
 static int