[LTP] [PATCH] epoll_ctl06: Fix BPF map on old kernels

[Cyril Hrubis]

Hi!
> +	case TST_FD_BPF_MAP:
> +		/*
> +		 * The BPF poll callback returns POLLERR for array maps. Without
> +		 * the callback, poll() returns the default readiness mask.
> +		 */
> +		SAFE_POLL(&pfd, 1, 0);
> +		return pfd.revents & POLLERR ? 0 : EPERM;

Should't this be guarded with kernel version? I.e. only enabled for
kernels older than 5.8?


>  	default:
>  		return 0;
>  	}
> @@ -50,7 +61,7 @@ static void run(void)
>  	TST_FD_FOREACH(fd) {
>  		efd = SAFE_EPOLL_CREATE1(0);
>  		ev.data.fd = fd.fd;
> -		err = exp_errno(fd.type);
> +		err = exp_errno(&fd);
>  
>  		TST_EXP_PASS_OR_FAIL(epoll_ctl(efd, EPOLL_CTL_ADD,
>  				 fd.fd, &ev), err,
> 
> ---
> base-commit: 0596b09f22f449cb300e8ad2d08d8b186f551a05
> change-id: 20260929-fix_epoll_bpf-5e472da8e63c
> 
> Best regards,
> --  
> Andrea Cervesato <andrea.cervesato@suse.com>
> 
> 
> -- 
> Mailing list info: https://lists.linux.it/listinfo/ltp

-- 
Cyril Hrubis
chrubis@suse.cz