[RTEMS Project] #4258: printertask.c: Unchecked return value spotted by Coverity

[RTEMS trac]

#4258: printertask.c: Unchecked return value spotted by Coverity
------------------------+--------------------
  Reporter:  Ryan Long  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:  6.1
 Component:  lib        |    Version:  6
  Severity:  normal     |   Keywords:
Blocked By:             |   Blocking:
------------------------+--------------------
 CID 1399710: Unchecked return value in printer_task().

 {{{
 138      switch ( buffer->action_kind ) {
 139        case ACTION_WRITE:
 140          write( fd, &buffer->data[ 0 ], buffer->action_data.size );
 141          printer_task_append_buffer( ctx, &ctx->free_buffers, buffer
 );
    4. Breaking from switch.
    8. Breaking from switch.
    15. Breaking from switch.
 142          break;
 143        case ACTION_DRAIN:
    CID 1399710 (#1 of 1): Unchecked return value (CHECKED_RETURN)19.
 check_return: Calling fsync without checking return value (as is done
 elsewhere 4 out of 5 times).
 144          fsync(fd);
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/4258>
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