vt: drop access_ok() calls in unimap ioctls

Done by copy_{from,to}_user().

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Adam Borowski 2017-06-03 09:35:09 +02:00 • committed by Greg Kroah-Hartman
commit f8564c93e0