[dm-devel] [PATCH v3 10/19] nvme: Move NVMe and Block PR types to an array

[Mike Christie]

On 10/27/22 12:16 PM, Keith Busch wrote:
> On Thu, Oct 27, 2022 at 12:13:06PM -0500, michael.christie at oracle.com wrote:
>> Oh wait there was also a
>>
>> 3. The pr_types come from userspace so if it passes us 10
>> and we just do:
>>
>> types[pr_type]
>>
>> then we would crash due an out of bounds error.
>>
>> Similarly I thought there could be a bad target that does the
>> same thing.
> 
> Well, you'd of course have to check the boundaries before accessing if
> you were to implement this scheme. :)

Yeah :) Sorry I didn't write that reply well. I was more trying to say
that we would still need a wrapper function to check the bounds, so either
we have 2 arrays and 2 helper functions or 1 array and 2 helper functions.

I'll see what other people's opinions are and just do what you guys end up
preferring.