Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux

Pull drm regression fix from Dave Airlie:
 "Forgot this one liner was necessary to fix module reload issues
  introduced earlier in the drm pull"

* 'drm-next' of git://people.freedesktop.org/~airlied/linux:
  drm: check for !kdev in drm_unplug_minor()