drm: Avoid use-before-null-test on dev in drm_cleanup().

Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 373e3de643401ce1663422024b5d2fffdb379a60..febb517ee679255a7e3ea694f8b68225118b95f0 100644 (file)
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -294,8 +294,6 @@ EXPORT_SYMBOL(drm_init);
  */
 static void drm_cleanup(struct drm_device * dev)
 {
-       struct drm_driver *driver = dev->driver;
-
        DRM_DEBUG("\n");
 
        if (!dev) {
@@ -330,7 +328,7 @@ static void drm_cleanup(struct drm_device * dev)
        if (drm_core_check_feature(dev, DRIVER_MODESET))
                drm_put_minor(&dev->control);
 
-       if (driver->driver_features & DRIVER_GEM)
+       if (dev->driver->driver_features & DRIVER_GEM)
                drm_gem_destroy(dev);
 
        drm_put_minor(&dev->primary);