Re: [linux-next:master 7918/13392] drivers/soc/microchip/mpfs-sys-controller.c:73:1-6: WARNING: invalid free of devm_ allocated data

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On 18/03/2022 11:02, Arnd Bergmann wrote:
On Fri, Mar 18, 2022 at 10:43 AM Nicolas Ferre
<nicolas.ferre@xxxxxxxxxxxxx> wrote:

Is there a drawback to this approach in the sense that it can trigger
other test robots?

This way, we won't have to disturb Arnd as I believe that his branches
are all ready to be sent to Linus after this week-end. Additional
benefit, you don't have to change your plans and enjoy St Patrick
week-end ;-).

I don't mind taking last minute fixes for buggy patches that I have queued
up, that seems better than sending the wrong code first and fixing it up
later. I would fix it myself, but I don't immediately see what the
correct fix it.
Do we just remove the kfree(), or does that conflict with the lifetime rules
in case we unbind the driver before the put() callback is called?

I was just going to remove the kfree, but I don't think that's right.
I'll switch it back to using kzalloc & leave the kfree. I'll send a patch later today.

Thanks,
Conor.




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