[PATCH] evh_bytechan: fix out of bounds accesses

[Michael Ellerman]

Laurentiu Tudor <laurentiu.tudor at nxp.com> writes:
> Hello,
>
> On 13.01.2020 15:48, Timur Tabi wrote:
>> On 1/13/20 6:26 AM, Michael Ellerman wrote:
>>> I've never heard of it, and I have no idea how to test it.
>>>
>>> It's not used by qemu, I guess there is/was a Freescale hypervisor that
>>> used it.
>> 
>> Yes, there is/was a Freescale hypervisor that I and a few others worked 
>> on.  I've added a couple people on CC that might be able to tell the 
>> current disposition of it.
>
> More info on this: it's opensource and it's published here [1]. We still 
> claim to maintain it but there wasn't much activity past years, as one 
> might notice.
>
>>> But maybe it's time to remove it if it's not being maintained/used by
>>> anyone?
>> 
>> I wouldn't be completely opposed to that if there really are no more 
>> users.  There really weren't any users even when I wrote the driver.
>
> There are a few users that I know of, but I can't tell if that's enough 
> to justify keeping the driver.

It is, I don't want to remove code that people are actually using,
unless it's causing unsustainable maintenance burden.

But this should be easy enough to get fixed.

Could you or someone else at NXP volunteer to maintain this driver? That
shouldn't involve much work, other than fixing small things like this
warning.

cheers