libbpf: Fix is_pow_of_2

Move the correct definition from linker.c into libbpf_internal.h.

Fixes: 0087a681fa8c ("libbpf: Automatically fix up BPF_MAP_TYPE_RINGBUF size, if necessary")
Reported-by: Yuze Chi <chiyuze@google.com>
Signed-off-by: Yuze Chi <chiyuze@google.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220603055156.2830463-1-irogers@google.com
This commit is contained in:
Yuze Chi
2022-06-02 22:51:56 -07:00
committed by Andrii Nakryiko
parent 55638904af
commit ad0783c430
3 changed files with 5 additions and 10 deletions

View File

@@ -697,11 +697,6 @@ static int linker_load_obj_file(struct bpf_linker *linker, const char *filename,
return err;
}
static bool is_pow_of_2(size_t x)
{
return x && (x & (x - 1)) == 0;
}
static int linker_sanity_check_elf(struct src_obj *obj)
{
struct src_sec *sec;