[PATCH v2 1/2] KEYS: Don't write out to userspace while holding key semaphore

[Jarkko Sakkinen]

On Fri, Mar 13, 2020 at 09:29:47AM -0400, Waiman Long wrote:
> One way to do that is to extract the down_read/up_read block into a
> helper function and then have 2 separate paths - one for length
> retrieval and another one for reading the key. I think that will make
> the code a bit easier easier to read.
> 
> Thanks,
> Longman

If it is not too much trouble for you, I think this would be a legit
cleanup to do.

/Jarkko