Hello, On 08/24/2015 07:57 PM, Javier Martinez Canillas wrote: > The media_entity_cleanup() function only cleans up the entity links list > but this operation is already made in media_device_unregister_entity(). > > In most cases this should be harmless (besides having duplicated code) > since the links list would be empty so the iteration would not happen > but the links list is initialized in media_device_register_entity() so > if a driver fails to register an entity with a media device and clean up > the entity in the error path, a NULL deference pointer error will happen. > > So don't try to empty the links list in media_entity_cleanup() since > is either done already or haven't been initialized yet. > > Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> > I forgot to mention that this patch depends on Mauro's "[PATCH v7 00/44] MC next generation patches" [0]. Sorry for missing that. [0]: https://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg91528.html Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html