566                         pdo->sync_index, pdo->index, slave->ring_position);

   566                         pdo->sync_index, pdo->index, slave->ring_position);

   567                 return -1;

   567                 return -1;

   568             }

   568             }

   569             sync = &slave->sii.syncs[pdo->sync_index];

   569             sync = &slave->sii.syncs[pdo->sync_index];

   570 

   570 

   572                 return -1;

   572                 return -1;

   573 

   573 

   574             sync->mapping_source = EC_SYNC_MAPPING_SII;

   574             sync->mapping_source = EC_SYNC_MAPPING_SII;

   575         }

   575         }

   576     }

   576     }