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-rw-r--r--include/media/media-entity.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index 33ee595c13f4..742918962d46 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -654,6 +654,10 @@ int media_entity_pads_init(struct media_entity *entity, u16 num_pads,
*
* This function must be called during the cleanup phase after unregistering
* the entity (currently, it does nothing).
+ *
+ * Calling media_entity_cleanup() on a media_entity whose memory has been
+ * zeroed but that has not been initialized with media_entity_pad_init() is
+ * valid and is a no-op.
*/
#if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
static inline void media_entity_cleanup(struct media_entity *entity) {}