diff options
Diffstat (limited to 'linux-core/drm_object.c')
| -rw-r--r-- | linux-core/drm_object.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/linux-core/drm_object.c b/linux-core/drm_object.c index 039060344..567a7d2b0 100644 --- a/linux-core/drm_object.c +++ b/linux-core/drm_object.c @@ -36,6 +36,8 @@ int drm_add_user_object(drm_file_t * priv, drm_user_object_t * item, drm_device_t *dev = priv->head->dev; int ret; + DRM_ASSERT_LOCKED(&dev->struct_mutex); + atomic_set(&item->refcount, 1); item->shareable = shareable; item->owner = priv; @@ -56,6 +58,8 @@ drm_user_object_t *drm_lookup_user_object(drm_file_t * priv, uint32_t key) int ret; drm_user_object_t *item; + DRM_ASSERT_LOCKED(&dev->struct_mutex); + ret = drm_ht_find_item(&dev->object_hash, key, &hash); if (ret) { return NULL; @@ -88,6 +92,8 @@ static void drm_deref_user_object(drm_file_t * priv, drm_user_object_t * item) int drm_remove_user_object(drm_file_t * priv, drm_user_object_t * item) { + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); + if (item->owner != priv) { DRM_ERROR("Cannot destroy object not owned by you.\n"); return -EINVAL; @@ -125,6 +131,7 @@ int drm_add_ref_object(drm_file_t * priv, drm_user_object_t * referenced_object, drm_ref_object_t *item; drm_open_hash_t *ht = &priv->refd_object_hash[ref_action]; + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); if (!referenced_object->shareable && priv != referenced_object->owner) { DRM_ERROR("Not allowed to reference this object\n"); return -EINVAL; @@ -181,6 +188,7 @@ drm_ref_object_t *drm_lookup_ref_object(drm_file_t * priv, drm_hash_item_t *hash; int ret; + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); ret = drm_ht_find_item(&priv->refd_object_hash[ref_action], (unsigned long)referenced_object, &hash); if (ret) @@ -213,6 +221,7 @@ void drm_remove_ref_object(drm_file_t * priv, drm_ref_object_t * item) drm_open_hash_t *ht = &priv->refd_object_hash[item->unref_action]; drm_ref_t unref_action; + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); unref_action = item->unref_action; if (atomic_dec_and_test(&item->refcount)) { ret = drm_ht_remove_item(ht, &item->hash); |