From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexey Kodanev <alexey.kodanev@oracle.com>
Subject: Re: [PATCH net] rtnetlink: invoke 'cb->done' destructor before
 'cb->args' reset
Date: Thu, 1 Nov 2018 16:11:37 +0300
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Cc: David Miller <davem@davemloft.net>
To: David Ahern <dsahern@gmail.com>, netdev@vger.kernel.org
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On 10/31/2018 08:35 PM, David Ahern wrote:
> On 10/31/18 10:55 AM, David Ahern wrote:
>> I think the simplest fix for 4.20 is to break the loop if ret is non-0 -
>> restore the previous behavior. 
> 
> that is the only recourse. It has to bail if ret is non-0. Do you want
> to send a patch with that fix?
> 

I see, and inet6_dump_fib() cleanups fib6_walker if ret is zero. Will send the fix.