On 25/04/2020 01:36, Stephen Hemminger wrote:
> In recent Linux kernels, there is support for extended acknowledgement
> to netlink messages. This is quite useful for diagnosing errors
> in configuration in the kernel with TAP.
>
> Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
> ---
[...]
> +#else
> +/*
> + * External ACK support was added in Linux kernel 4.17
> + * on older kernels, just ignore that part of message
> + */
> +#define tap_nl_dump_ext_ack(nh, err) do { } while();
Maybe "while(0)" here?
With regards
Andrzej Ostruszka
