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SubjectRe: [PATCH bpf-next] libbpf: fix max() type mismatch for 32bit
On Tue, Jun 25, 2019 at 1:28 PM Ivan Khoronzhuk
<ivan.khoronzhuk@linaro.org> wrote:
>
> It fixes build error for 32bit caused by type mismatch
> size_t/unsigned long.
>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>

Acked-by: Song Liu <songliubraving@fb.com>

> ---
> tools/lib/bpf/libbpf.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 68f45a96769f..5186b7710430 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -778,7 +778,7 @@ static struct bpf_map *bpf_object__add_map(struct bpf_object *obj)
> if (obj->nr_maps < obj->maps_cap)
> return &obj->maps[obj->nr_maps++];
>
> - new_cap = max(4ul, obj->maps_cap * 3 / 2);
> + new_cap = max((size_t)4, obj->maps_cap * 3 / 2);
> new_maps = realloc(obj->maps, new_cap * sizeof(*obj->maps));
> if (!new_maps) {
> pr_warning("alloc maps for object failed\n");
> --
> 2.17.1
>

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