i915 compat ioctl(): just use drm_ioctl_kernel()

compat_alloc_user_space() is a bad kludge; the sooner it goes, the
better...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2020-02-19 11:20:34 -05:00
commit fd7cd8da23