diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index d5a7a135f75d39d5bc2f6fb3366639dd6dc7ee34..703560fa5e73b456cbc0951ccb61957bdfecebac 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -93,6 +93,7 @@ static long media_device_enum_entities(struct media_device *mdev,
 	struct media_entity *ent;
 	struct media_entity_desc u_ent;
 
+	memset(&u_ent, 0, sizeof(u_ent));
 	if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
 		return -EFAULT;