Hi!
> This patch adds a led trigger that interfaces with the bpf subsystem. It
> allows for BPF programs to control LED activity through calling bpf
> kfuncs. This functionality is useful in giving users a physical
> indication that a BPF program has performed an operation such as
> handling a packet or probe point.
>
> Signed-off-by: Daniel Hodges <hodges.daniel.scott@xxxxxxxxx>
> +static int init_bpf(void)
> +{
> + int ret;
> +
> + ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_UNSPEC,
> + &ledtrig_bpf_kfunc_set);
> + ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING,
> + &ledtrig_bpf_kfunc_set);
Should have ret ?: here, too?
> +static int ledtrig_bpf_init(void)
> +{
> + led_trigger_register_simple("bpf", &ledtrig_bpf);
> +
> + return init_bpf();
> +}
Is it somehow possible to have multiple LEDs hooked to bpf
functionality? I guess someone will want that...
Best regards,
Pavel
--
People of Russia, stop Putin before his war on Ukraine escalates.
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