usb: gadget: functionfs: fix missing access_ok checks

use safe copy_*_user instead of unsafe __copy_*_user
functions when accessing userland memory.

Signed-off-by: Daniel Walter <dwalter@sigma-star.at>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Daniel Walter 2015-11-18 17:15:49 +01:00 • committed by Felipe Balbi
commit 7fe9a937d5