On 4/27/2020 12:32 PM, Andrzej Ostruszka [C] wrote:
> 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?
>
+1, will fix while merging.
I assume since it is in #else leg it has not been tested but #if leg tested
well.
