Re: [PATCH] [media] v4l2-core: create MC interfaces for devnodes

[Mauro Carvalho Chehab <mchehab@osg.samsung.com>]

Em Thu, 10 Dec 2015 08:32:21 -0200
Mauro Carvalho Chehab <mchehab@osg.samsung.com> escreveu:

> V4L2 device (and subdevice) nodes should create an interface, if the
> Media Controller support is enabled.
> 
> Please notice that radio devices should not create an entity, as radio
> input/output is either via wires or via ALSA.
> 
> PS.: Before this patch, au0828 should remove the media_device earlier.
> However, after the core changes, this should be postponed, otherwise
> an OOPS occurs. So, fold the au0828 changes on this patch.
> 
> Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
> ---
> 
> PS.: I'm adding this patch just after "media-device: remove interfaces and interface links".
> 
> It prevents some troubles with DEBUG_KMEMLEAK and KASAN, with makes
> them to hang the Kernel during physical device removal (or device driver
> removal). Without this, we get this error:
> 
> 	kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] SMP KASAN


Sorry, I ended by sending the wrong patch. Please ignore this e-mail.

Regards,
Mauro