[Linux-kernel-mentees] [PATCH v2] net: usb: rtl8150: don't incorrectly assign random MAC addresses
kuba at kernel.org
Sun Oct 11 17:59:34 UTC 2020
On Sun, 11 Oct 2020 23:00:30 +0530 Anant Thazhemadam wrote:
> In set_ethernet_addr(), if get_registers() succeeds, the ethernet address
> that was read must be copied over. Otherwise, a random ethernet address
> must be assigned.
> get_registers() returns 0 if successful, and negative error number
> otherwise. However, in set_ethernet_addr(), this return value is
> incorrectly checked.
> Since this return value will never be equal to sizeof(node_id), a
> random MAC address will always be generated and assigned to the
> device; even in cases when get_registers() is successful.
> Correctly modifying the condition that checks if get_registers() was
> successful or not fixes this problem, and copies the ethernet address
> Fixes: f45a4248ea4c ("net: usb: rtl8150: set random MAC address when set_ethernet_addr() fails")
> Signed-off-by: Anant Thazhemadam <anant.thazhemadam at gmail.com>
This patch is a fix to a conflict resolution in linux-next.
linux-next is not a "real" tree, it's an integration tree used to
figure out conflicts early.
We had let Stephen know about the problem already. Please wait one
week, and if the problem is still present resend this.
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