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Date:   Wed, 24 Apr 2019 05:30:38 +0000
From:   Tao Ren <>
To:     "David S . Miller" <>,
        Maxim Mikityanskiy <>,
        Bartosz Golaszewski <>,
        "" <>,
        "" <>,
        Jakub Kicinski <>,
        Samuel Mendoza-Jonas <>,
        Joel Stanley <>,
        Andrew Jeffery <>,
        "" <>
Subject: Re: [PATCH net v2 2/2] net/ncsi: handle overflow when incrementing
 mac address

Please ignore this email. Something was wrong with my email client: the email was supposed to be delivered 8 hours ago but surprisingly it arrived now. Sorry about the noise..

- Tao

On 4/23/19, 9:41 PM, "openbmc on behalf of Tao Ren" < on behalf of> wrote:
> Previously BMC's MAC address is calculated by simply adding 1 to the
> last byte of network controller's MAC address, and it produces incorrect
> result when network controller's MAC address ends with 0xFF.
> The problem can be fixed by calling "net_addr_inc" function to increment
> MAC address; besides, the MAC address is also validated before assigning
> to BMC.
> Fixes: cb10c7c0dfd9 ("net/ncsi: Add NCSI Broadcom OEM command")
> Signed-off-by: Tao Ren <>

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