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bpf: Make function btf_name_offset_valid static

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Initially in commit 69b693f0ae ("bpf: btf: Introduce BPF Type Format
(BTF)") the function 'btf_name_offset_valid' was introduced as static
function it was later on changed to a non-static one, and then finally
in commit 23127b33ec ("bpf: Create a new btf_name_by_offset() for
non type name use case") the function prototype was removed.

Revert back to original implementation and make the function static.
Remove warning triggered with W=1:

  kernel/bpf/btf.c:470:6: warning: no previous prototype for 'btf_name_offset_valid' [-Wmissing-prototypes]

Fixes: 23127b33ec ("bpf: Create a new btf_name_by_offset() for non type name use case")
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Mathieu Malaterre 2019-01-16 20:29:40 +01:00 committed by Daniel Borkmann
parent f67ad87ab3
commit 583c531853
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/btf.c
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@ -467,7 +467,7 @@ static const struct btf_kind_operations *btf_type_ops(const struct btf_type *t)
return kind_ops[BTF_INFO_KIND(t->info)]; return kind_ops[BTF_INFO_KIND(t->info)];
} }
bool btf_name_offset_valid(const struct btf *btf, u32 offset) static bool btf_name_offset_valid(const struct btf *btf, u32 offset)
{ {
return BTF_STR_OFFSET_VALID(offset) && return BTF_STR_OFFSET_VALID(offset) &&
offset < btf->hdr.str_len; offset < btf->hdr.str_len;