On Wed, 2017-08-23 at 15:29 -0700, Bart Van Assche wrote: > copy_in_user() copies data from user-space address @from to user- > space address @to. Hence declare both @from and @to as user-space > pointers. > [ ... ] Hi Al, Can you have a look at this patch? Patch 2/2 from this series already got queued for kernel v4.14 by Jens. Thanks, Bart.