The dummy read page will point to NULL if drm_bo_driver_init failed at
firstopen (modeset is not enabled), and will cause kernel oops at
subsequent drm_lastclose call, so be sure to check it.
if (list_empty(&bm->unfenced))
DRM_DEBUG("Unfenced list was clean\n");
+ if (bm->dummy_read_page) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15))
- ClearPageReserved(bm->dummy_read_page);
+ ClearPageReserved(bm->dummy_read_page);
#endif
- __free_page(bm->dummy_read_page);
+ __free_page(bm->dummy_read_page);
+ }
out:
mutex_unlock(&dev->struct_mutex);