[PATCH v4 4/4] KEYS: Avoid false positive ENOMEM error on key read

[David Howells]

Waiman Long <longman at redhat.com> wrote:

> Doing this is micro-optimization. As the keys subsystem is that
> performance critical, do we need to do that to save a cycle or two while
> making the code a bit harder to read?

It was more sort of a musing comment.  Feel free to ignore it.  kvfree()
doesn't do this.

David