RTEMS Tools | Coverity Reported a Leak in libdwarf (#10)

[Joel Sherrill (@joel)]

Joel Sherrill created an issue: https://gitlab.rtems.org/rtems/tools/rtems-tools/-/issues/10

Assignee: Chris Johns

## Summary
Coverity Scan reports a resource leak.

** CID 1595466:  Resource leaks  (RESOURCE_LEAK)
/rtemstoolkit/elftoolchain/libdwarf/dwarf_abbrev.c: 51 in dwarf_get_abbrev()


## Details
This is the detailed information provided.

```
*** CID 1595466:  Resource leaks  (RESOURCE_LEAK)
/rtemstoolkit/elftoolchain/libdwarf/dwarf_abbrev.c: 51 in dwarf_get_abbrev()
45      ret = _dwarf_abbrev_parse(dbg, NULL, &offset, &ab, error);
46      if (ret != DW_DLE_NONE) {
47              if (ret == DW_DLE_NO_ENTRY) {
48                      DWARF_SET_ERROR(dbg, error, DW_DLE_NO_ENTRY);
49                      return (DW_DLV_NO_ENTRY);
50              } else
>>>     CID 1595466:  Resource leaks  (RESOURCE_LEAK)
>>>     Variable "ab" going out of scope leaks the storage it points to.
51                      return (DW_DLV_ERROR);
52      }
53     
54      *return_abbrev = ab;
55      *length = ab->ab_length;
56      *attr_count = ab->ab_atnum;
```

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/tools/rtems-tools/-/issues/10
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