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drm: don't associate _DRM_DRIVER maps with a master
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
gpu
/
drm
/
drm_bufs.c
diff --git
a/drivers/gpu/drm/drm_bufs.c
b/drivers/gpu/drm/drm_bufs.c
index 0411d912d82abb9a82b812eb5e1639029659c60a..80a257554b307a4bc0346e5f38e3c154ec22f4c5 100644
(file)
--- a/
drivers/gpu/drm/drm_bufs.c
+++ b/
drivers/gpu/drm/drm_bufs.c
@@
-371,7
+371,8
@@
static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
list->user_token = list->hash.key << PAGE_SHIFT;
mutex_unlock(&dev->struct_mutex);
- list->master = dev->primary->master;
+ if (!(map->flags & _DRM_DRIVER))
+ list->master = dev->primary->master;
*maplist = list;
return 0;
}