On 05/10/2013 01:26 AM, Dan Carpenter wrote:
> Hi Sylwester,
>
> FYI, there are coccinelle warnings in
Thanks a lot for this bug report. I've just re-tested the patch
and the bug is evident there, looks like it was introduced in
a "last minute" changes and the test environment wasn't updated
properly. The corrected patch to follow.
Regards,
Sylwester
> tree: git://linuxtv.org/snawrocki/samsung.git next/exynos-is
> head: 90029a2ca496f71ba629ea932ac761e16f4e823b
> commit: cae9aa2c7b182d1b687196292059bca2f2cedf0f [3/17] media: Add function removing all media entity links
>
>>> drivers/media/media-entity.c:477:1-11: second lock on line 479
> --
>>> drivers/media/media-entity.c:477:1-11: second lock on line 479
>
> git remote add linuxtv-samsung git://linuxtv.org/snawrocki/samsung.git
> git remote update linuxtv-samsung
> git checkout cae9aa2c7b182d1b687196292059bca2f2cedf0f
> vim +477 drivers/media/media-entity.c
>
> cae9aa2c Sylwester Nawrocki 2013-05-08 471
> cae9aa2c Sylwester Nawrocki 2013-05-08 472 void media_entity_remove_links(struct media_entity *entity)
> cae9aa2c Sylwester Nawrocki 2013-05-08 473 {
> cae9aa2c Sylwester Nawrocki 2013-05-08 474 if (WARN_ON_ONCE(entity->parent == NULL))
> cae9aa2c Sylwester Nawrocki 2013-05-08 475 return;
> cae9aa2c Sylwester Nawrocki 2013-05-08 476
> cae9aa2c Sylwester Nawrocki 2013-05-08 @477 mutex_lock(&entity->parent->graph_mutex);
> cae9aa2c Sylwester Nawrocki 2013-05-08 478 __media_entity_remove_links(entity);
> cae9aa2c Sylwester Nawrocki 2013-05-08 @479 mutex_lock(&entity->parent->graph_mutex);
> cae9aa2c Sylwester Nawrocki 2013-05-08 480 }
> cae9aa2c Sylwester Nawrocki 2013-05-08 481 EXPORT_SYMBOL_GPL(media_entity_remove_links);
> cae9aa2c Sylwester Nawrocki 2013-05-08 482
>
> ---
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