switch compat_drm_getstats() to drm_ioctl_kernel()

The reason we call drm_ioctl_kernel() at all is that we want error
handling; conversions would be pointless there - user buffer is
simply zeroed.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-05-24 19:18:06 -04:00
commit 8547ee9d44