559     if (down_interruptible(&master->master_sem))

   559     if (down_interruptible(&master->master_sem))

   560         return -EINTR;

   560         return -EINTR;

   561 

   561 

   562     if (!(slave = ec_master_find_slave(

   562     if (!(slave = ec_master_find_slave(

   563                     master, 0, data.slave_position))) {

   563                     master, 0, data.slave_position))) {

   564         EC_ERR("Slave %u does not exist!\n", data.slave_position);

   565         EC_ERR("Slave %u does not exist!\n", data.slave_position);

   565         return -EINVAL;

   566         return -EINVAL;

   566     }

   567     }

   567 

   568 

   568     ec_slave_request_state(slave, data.al_state);

   569     ec_slave_request_state(slave, data.al_state);