linux-kernel - Re: [PATCH net v3] net: usb: ax88179_178a: avoid the interface always configured as random address

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Date: Tue, 2 Apr 2024 18:30:12 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jose Ignacio Tornos Martinez <jtornosm@...hat.com>
Cc: horms@...nel.org, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, linux-usb@...r.kernel.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org, Dave Stevenson
 <dave.stevenson@...pberrypi.com>
Subject: Re: [PATCH net v3] net: usb: ax88179_178a: avoid the interface
 always configured as random address

On Mon,  1 Apr 2024 10:19:50 +0200 Jose Ignacio Tornos Martinez wrote:
>  	if (is_valid_ether_addr(mac)) {
>  		eth_hw_addr_set(dev->net, mac);
> +		dev->net->addr_assign_type = NET_ADDR_PERM;

Are we 100% sure we won't read back the random address we wrote earlier?
Maybe let's put the assignment under if (!is_local_ether_addr(mac)),
just to be on the safe side?