bpf: add __printf verification to bpf_verifier_vlog

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__printf is useful to verify format and arguments. ‘bpf_verifier_vlog’
function is used twice in verifier.c in both cases the caller function
already uses the __printf gcc attribute.

Remove the following warning, triggered with W=1:

  kernel/bpf/verifier.c:176:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

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Mathieu Malaterre 2018-05-16 22:27:41 +02:00 • committed by Daniel Borkmann

parent 44edef77bd

commit be2d04d11f

1 changed files with 2 additions and 2 deletions

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include/linux/bpf_verifier.h

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