Re: s390/pkey: Use memdup_user() rather than duplicating its implementation

[Joe Perches]

On Wed, 2019-11-06 at 19:55 +0100, Markus Elfring wrote:
> > There is no bug here.
> 
> Do you find duplicated source code questionable?

No.  It is something that can be improved through
code consolidation though.

> Is this also an error item?

Definitely not.  It is _only_ an error if there is
some logic defect.  There is no logic defect here.