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Date:   Sun, 7 Apr 2019 08:43:24 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Hangbin Liu <liuhangbin@...il.com>
Cc:     netdev@...r.kernel.org, Wang Chen <wangchen@...fujitsu.com>,
        David Miller <davem@...emloft.net>,
        Stefano Brivio <sbrivio@...hat.com>
Subject: Re: [PATCH net] netdevice: Fix promiscuity and allmulti negative
 overflow

On Thu,  4 Apr 2019 20:45:18 +0800
Hangbin Liu <liuhangbin@...il.com> wrote:

> Similarly to dad9b335c694 ("netdevice: Fix promiscuity and allmulti
> overflow"), we should not decrease promiscuity if it is already 0.

This should never happen. If it is a kernel bug and should be reported
like refcnt_t overflow.

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