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libbpf: fix false uninitialized variable warning

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Some compilers emit warning for potential uninitialized next_id usage.
The code is correct, but control flow is too complicated for some
compilers to figure this out. Re-initialize next_id to satisfy
compiler.

Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
This commit is contained in:
Andrii Nakryiko 2019-09-25 11:30:38 -07:00 • committed by Daniel Borkmann
commit aef70a1f44
1 changed files with 1 additions and 0 deletions
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1
tools/lib/bpf/btf_dump.c
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@ -1167,6 +1167,7 @@ static void btf_dump_emit_type_chain(struct btf_dump *d,
return;
}
next_id = decls->ids[decls->cnt - 1];
next_t = btf__type_by_id(d->btf, next_id);
multidim = btf_is_array(next_t);
/* we need space if we have named non-pointer */