ok
Florian Obser(flor...@openbsd.org) on 2017.07.11 19:25:58 +0000:
> ... we want to log_warn what went wrong.
> OK?
>
> diff --git if.c if.c
> index 4683bcffac9..c4a4fea1984 100644
> --- if.c
> +++ if.c
> @@ -111,7 +111,7 @@ if_nametosdl(char *name)
> int
> if_getmtu(char *name)
> {
> - int s;
> + int s, save_errno;
> struct ifreq ifr;
> u_long mtu = 0;
>
> @@ -123,7 +123,9 @@ if_getmtu(char *name)
> fatalx("strlcpy");
> if (ioctl(s, SIOCGIFMTU, (char *)&ifr) >= 0)
> mtu = ifr.ifr_mtu;
> + save_errno = errno;
> close(s);
> + errno = save_errno;
> }
>
> return (mtu);
>
> --
> I'm not entirely sure you are real.
>
