On Mon, Jul 22, 2024 at 04:32:59PM +0800, Liwei Song wrote:
> Add a type cast for set8->pairs to fix below compile warning:
>
> main.c: In function 'sets_patch':
> main.c:699:50: warning: comparison of distinct pointer types lacks a cast
> 699 | BUILD_BUG_ON(set8->pairs != &set8->pairs[0].id);
> | ^~
>
> Fixes: 9707ac4fe2f5 ("tools/resolve_btfids: Refactor set sorting with types from btf_ids.h")
> Signed-off-by: Liwei Song <liwei.song.lsong@xxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
jirka
> ---
> tools/bpf/resolve_btfids/main.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
> index af393c7dee1f..b3edc239fe56 100644
> --- a/tools/bpf/resolve_btfids/main.c
> +++ b/tools/bpf/resolve_btfids/main.c
> @@ -696,7 +696,7 @@ static int sets_patch(struct object *obj)
> * Make sure id is at the beginning of the pairs
> * struct, otherwise the below qsort would not work.
> */
> - BUILD_BUG_ON(set8->pairs != &set8->pairs[0].id);
> + BUILD_BUG_ON((u32 *)set8->pairs != &set8->pairs[0].id);
> qsort(set8->pairs, set8->cnt, sizeof(set8->pairs[0]), cmp_id);
>
> /*
> --
> 1.8.3.1
>
