Input: edt-ft5x06 - return -EFAULT on copy_to_user() error

copy_to_user() returns the number of bytes remaining, but we want a
negative error code here.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
1 file changed