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Date:   Sun, 7 Apr 2019 08:43:24 -0700
From:   Stephen Hemminger <>
To:     Hangbin Liu <>
Cc:, Wang Chen <>,
        David Miller <>,
        Stefano Brivio <>
Subject: Re: [PATCH net] netdevice: Fix promiscuity and allmulti negative

On Thu,  4 Apr 2019 20:45:18 +0800
Hangbin Liu <> 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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