drm: Add _DRM_DRIVER map flag.

This flag indicates that the driver is responsible for the map.

1 files changed, 2 insertions, 2 deletions

diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index 2e976107..96dc4d35 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -484,10 +484,10 @@ static int drm_lastclose(drm_device_t *dev)
         }
 
         TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {
-                drm_rmmap(dev, map);
+                if (!(map->flags & _DRM_DRIVER))
+                        drm_rmmap(dev, map);
         }
 
-
         drm_dma_takedown(dev);
         if ( dev->lock.hw_lock ) {
                 dev->lock.hw_lock = NULL; /* SHM removed */