Re: [REQUEST TO BACKPORT] mwifiex: update set_mac_address logic

[Greg KH <greg@kroah.com>]

On Mon, Dec 09, 2019 at 05:03:54PM -0800, Brian Norris wrote:
> I'd like to request the following commit [1] go to -stable. It fixes a
> regression (as far back as kernel v4.17) where the default MAC address
> is computed incorrectly. This can have pretty nasty effects when
> upgrading kernels, since people don't expect their HW MAC address to
> change.
> 
> It probably should have had this tag, for the record:
> 
> Fixes: 864164683678 ("mwifiex: set different mac address for
> interfaces with same bss type")
> 
> Thanks,
> Brian
> 
> [1]
> commit 7afb94da3cd8a28ed7ae268143117bf1ac8a3371
> Author: Sharvari Harisangam <sharvari@marvell.com>
> Date:   Wed Jun 12 20:42:11 2019 +0530
> 
>     mwifiex: update set_mac_address logic
> 
>     In set_mac_address, driver check for interfaces with same bss_type
>     For first STA entry, this would return 3 interfaces since all priv's have
>     bss_type as 0 due to kzalloc. Thus mac address gets changed for STA
>     unexpected. This patch adds check for first STA and avoids mac address
>     change. This patch also adds mac_address change for p2p based on bss_num
>     type.
> 
>     Signed-off-by: Sharvari Harisangam <sharvari@marvell.com>
>     Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
>     Signed-off-by: Kalle Valo <kvalo@codeaurora.org

Given this shows up in 5.3, 4.19.y is the only tree it can be applied
to, so I have now done that, thanks.

greg k-h