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SubjectRe: [PATCH bpf-next] bpf: remove unused vairable 'bpf_xdp_link_lops'
On Wed, Mar 25, 2020 at 8:16 PM YueHaibing <yuehaibing@huawei.com> wrote:
>
> kernel/bpf/syscall.c:2263:34: warning: 'bpf_xdp_link_lops' defined but not used [-Wunused-const-variable=]
> static const struct bpf_link_ops bpf_xdp_link_lops;
> ^~~~~~~~~~~~~~~~~
>
> commit 70ed506c3bbc ("bpf: Introduce pinnable bpf_link abstraction")
> involded this unused variable, remove it.
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---

Yeah, I noticed this when I was adding bpf_cgroup_link (and replaced
this declaration with bpf_cgroup_link_lops. But I guess we can fix it
sooner.

Acked-by: Andrii Nakryiko <andriin@fb.com>

> kernel/bpf/syscall.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
> index 85567a6ea5f9..7774e55c9881 100644
> --- a/kernel/bpf/syscall.c
> +++ b/kernel/bpf/syscall.c
> @@ -2252,7 +2252,6 @@ static int bpf_link_release(struct inode *inode, struct file *filp)
> #ifdef CONFIG_PROC_FS
> static const struct bpf_link_ops bpf_raw_tp_lops;
> static const struct bpf_link_ops bpf_tracing_link_lops;
> -static const struct bpf_link_ops bpf_xdp_link_lops;
>
> static void bpf_link_show_fdinfo(struct seq_file *m, struct file *filp)
> {
> --
> 2.17.1
>
>

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