Re: [PATCH] bpf: remove redundant assignment of variable id

From: Song Liu
Date: Fri Mar 26 2021 - 16:19:44 EST


On Fri, Mar 26, 2021 at 12:45 PM Colin King <colin.king@xxxxxxxxxxxxx> wrote:
>
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The variable id is being assigned a value that is never
> read, the assignment is redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: Song Liu <songliubraving@xxxxxx>

For future patches, please prefix it as [PATCH bpf-next] for
[PATCH bpf], based on which tree the patch should apply to.

> ---
> kernel/bpf/btf.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
> index 369faeddf1df..b22fb29347c0 100644
> --- a/kernel/bpf/btf.c
> +++ b/kernel/bpf/btf.c
> @@ -789,7 +789,6 @@ static const struct btf_type *btf_type_skip_qualifiers(const struct btf *btf,
>
> while (btf_type_is_modifier(t) &&
> BTF_INFO_KIND(t->info) != BTF_KIND_TYPEDEF) {
> - id = t->type;
> t = btf_type_by_id(btf, t->type);
> }
>
> --
> 2.30.2
>