[Linux-kernel-mentees] [PATCH v2] net: usb: rtl8150: prevent set_ethernet_addr from setting uninit address

David Miller davem at davemloft.net
Fri Oct 2 22:38:49 UTC 2020


From: Anant Thazhemadam <anant.thazhemadam at gmail.com>
Date: Fri, 2 Oct 2020 17:04:13 +0530

> But this patch is about ensuring that an uninitialized variable's
> value (whatever that may be) is not set as the ethernet address
> blindly (without any form of checking if get_registers() worked
> as expected, or not).

Right, and if you are going to check for errors then you have to
handle the error properly.

And the proper way to handle this error is to set a random ethernet
address on the device.


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