Em Mon, 2 May 2016 00:59:56 +0300
Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> escreveu:
> Hi Marek,
>
> Marek Szyprowski wrote:
> > Commit 0c426c472b5585ed6e59160359c979506d45ae49 ("[media] media: Always
> > keep a graph walk large enough around") changed
> > media_device_register_entity() function to take mdev->graph_mutex. This
> > causes deadlock in driver probe, which calls (indirectly) this function
> > with ->graph_mutex taken. This patch removes taking ->graph_mutex in
> > driver probe to avoid deadlock. Other drivers don't take ->graph_mutex
> > for entity registration, so this change should be safe.
> >
> > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
>
> Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
>
> You could also add:
>
> Fixes: 0c426c472b55 ("[media] media: Always keep a graph walk large
> enough around")
>
> I guess these should go to fixes, the patches in question are already
> heading for v4.6. Cc Mauro.
The patches from Sakari for v4.6 were merged already at -rc6. Just merged
them back at the master branch.
Regards,
Mauro
--
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
