RTEMS | bdpart-register.c: Calling close() with negative value (#5113)

[Joel Sherrill (@joel)]

Joel Sherrill created an issue: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5113



## Summary

Coverity CID 1467408

At line 212, close() is called and fd can potentially be negative. The simplest way to address this is to add a check for "fd >= 0" before calling close().

```
209cleanup:
210
211  free( logical_disk_name);
     	
CID 1467408: (#1 of 1): Argument cannot be negative (NEGATIVE_RETURNS)
5. negative_returns: fd is passed to a parameter that cannot be negative. [Note: The source code implementation of the function has been overridden by a builtin model.]
212  close( fd);
```

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5113
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