netdev - Re: [PATCH iproute2] ip: Fix size_columns() invocation that passes a 32-bit quantity

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Date:   Mon, 27 Jun 2022 18:06:54 +0200
From:   Petr Machata <petrm@...dia.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
CC:     Petr Machata <petrm@...dia.com>, <netdev@...r.kernel.org>,
        David Ahern <dsahern@...il.com>
Subject: Re: [PATCH iproute2] ip: Fix size_columns() invocation that passes
 a 32-bit quantity


Stephen Hemminger <stephen@...workplumber.org> writes:

>> diff --git a/ip/ipaddress.c b/ip/ipaddress.c
>> index 5a3b1cae..8cd76073 100644
>> --- a/ip/ipaddress.c
>> +++ b/ip/ipaddress.c
>> @@ -788,8 +788,9 @@ void print_stats64(FILE *fp, struct rtnl_link_stats64 *s,
>>  				     s->tx_aborted_errors, s->tx_fifo_errors,
>>  				     s->tx_window_errors,
>>  				     s->tx_heartbeat_errors,
>> -				     carrier_changes ?
>> -				     rta_getattr_u32(carrier_changes) : 0);
>> +				     (uint64_t)(carrier_changes ?
>> +						rta_getattr_u32(carrier_changes)
>> +						: 0));
>
> Looks good, but would be clearer with a local temporary variable
> which would eliminate the cast etc.

OK, I have a v2 queued up. I'll wait a bit before sending for possible
comments on the rx_otherhost_dropped patch, as it depends on this one,
and will need to be resent for this change anyway.