drm: Make sure drm_vblank_no_hw_counter isn't abused
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 8 Aug 2016 16:24:53 +0000 (18:24 +0200)
committerSean Paul <seanpaul@chromium.org>
Mon, 8 Aug 2016 18:34:05 +0000 (14:34 -0400)
commitcfc5adea1955ee8ddb62cc0d20ee454472033b6a
treea8d6a5365be28763bef6ad3b40adf3cc4ab8ef49
parentac08500c1bcb620810838c735143a00e5acf5b5f
drm: Make sure drm_vblank_no_hw_counter isn't abused

Shouldn't be possible since everyone kzallocs this, but better safe
than sorry. Random drive-by-idea really.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Rodrigo Vivi <rdorigo.vivi@intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1470673493-14304-1-git-send-email-daniel.vetter@ffwll.ch
drivers/gpu/drm/drm_irq.c