linux-kernel - Re: [RFC/PATCH 0/3] locking fixes for cx88

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Date:	Sat, 02 Apr 2011 16:19:59 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Jonathan Nieder <jrnieder@...il.com>
Cc:	linux-media@...r.kernel.org, Huber Andreas <hobrom@...ax.at>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Hans Verkuil <hverkuil@...all.nl>,
	linux-kernel@...r.kernel.org, andrew.walker27@...world.com
Subject: Re: [RFC/PATCH 0/3] locking fixes for cx88

On Sat, 2011-04-02 at 04:38 -0500, Jonathan Nieder wrote:
> Hi,
> 
> Huber Andreas wrote[1]:
> 
> > Processes that try to open a cx88-blackbird driven MPEG device will hang up.
> 
> Here's a possible fix based on a patch by Ben Hutchings and
> corrections from Andi Huber.  Warning: probably full of mistakes (my
> fault) since I'm not familiar with any of this stuff.  Untested.
> Review and testing would be welcome.

Since you have split up and otherwise modified the patch I sent, please
remove the 'From' and 'Signed-off-by' lines with my name and address.
Just state that the patches are based on my work.

Ben.

> Ben Hutchings (2):
>   [media] cx88: fix locking of sub-driver operations
>   [media] cx88: use a mutex to protect cx8802_devlist
> 
> Jonathan Nieder (1):
>   [media] cx88: protect per-device driver list with device lock
> 
>  drivers/media/video/cx88/cx88-blackbird.c |    3 +-
>  drivers/media/video/cx88/cx88-dvb.c       |    2 +
>  drivers/media/video/cx88/cx88-mpeg.c      |   35 +++++++++++++++++++---------
>  drivers/media/video/cx88/cx88.h           |   10 +++++++-
>  4 files changed, 37 insertions(+), 13 deletions(-)
> 

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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