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Date:   Wed, 13 Apr 2022 11:23:46 +0200
From:   Oliver Neukum <>
To:     Lech Perczak <>,,
CC:     Kristian Evensen <>,
        Bjørn Mork <>,
        Oliver Neukum <>
Subject: Re: [PATCH v2 1/3] cdc_ether: export usbnet_cdc_zte_rx_fixup

On 13.04.22 02:11, Lech Perczak wrote:
> Commit bfe9b9d2df66 ("cdc_ether: Improve ZTE MF823/831/910 handling")
> introduces a workaround for certain ZTE modems reporting invalid MAC
> addresses over CDC-ECM.
> The same issue was present on their RNDIS interface,which was fixed in
> commit a5a18bdf7453 ("rndis_host: Set valid random MAC on buggy devices").
> However, internal modem of ZTE MF286R router, on its RNDIS interface, also
> exhibits a second issue fixed already in CDC-ECM, of the device not
> respecting configured random MAC address. In order to share the fixup for
> this with rndis_host driver, export the workaround function, which will
> be re-used in the following commit in rndis_host.
> Cc: Kristian Evensen <>
> Cc: Bjørn Mork <>
> Cc: Oliver Neukum <>
> Signed-off-by: Lech Perczak <>
Acked-by: Oliver Neukum <>

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