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bpftool: Simplify format string to not use positional args

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Change format string referring to just single argument out of two available.
Some versions of libc can reject such format string.

Reported-by: Nikita Shirokov <tehnerd@tehnerd.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20191218214314.2403729-1-andriin@fb.com
This commit is contained in:
Andrii Nakryiko 2019-12-18 13:43:14 -08:00 committed by Alexei Starovoitov
parent 58d8dc2a98
commit 7c43e0d6a5
1 changed files with 2 additions and 2 deletions
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4
tools/bpf/bpftool/gen.c
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@ -567,9 +567,9 @@ static int do_skeleton(int argc, char **argv)
return -1; \n\
} \n\
\n\
#endif /* %2$s */ \n\
#endif /* %s */ \n\
",
obj_name, header_guard);
header_guard);
err = 0;
out:
bpf_object__close(obj);