From: Sakari Ailus <sakari.ailus@iki.fi>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: linux-media@vger.kernel.org,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
hj210.choi@samsung.com, sw0312.kim@samsung.com
Subject: Re: [PATCH RFC v3 2/3] media: added managed v4l2 control initialization
Date: Fri, 31 May 2013 04:10:57 +0300 [thread overview]
Message-ID: <51A7F8A1.7020709@iki.fi> (raw)
In-Reply-To: <519A3219.9040809@samsung.com>
Hi Andrzej,
Andrzej Hajda wrote:
>> I have to say I don't think it's neither meaningful to acquire that mutex in
>> v4l2_ctrl_handler_free(), though, since the whole going to be freed next
>> anyway: reference counting would be needed to prevent bad things from
>> happening, in case the drivers wouldn't take care of that.
> I do not understand what do you mean exactly. Could you please explain
> it more?
> What do you want to reference count?
I don't want to, but simply acquiring a lock which is a part of an
object being destroyed makes no sense. If something else has a reference
to the object you're screwed anyway; acquiring the lock does not help.
--
Sakari Ailus
sakari.ailus@iki.fi
next prev parent reply other threads:[~2013-05-31 1:05 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-16 8:14 [PATCH RFC v3 0/3] added managed media/v4l2 initialization Andrzej Hajda
2013-05-16 8:14 ` [PATCH RFC v3 1/3] media: added managed media entity initialization Andrzej Hajda
2013-06-18 22:03 ` Laurent Pinchart
2013-06-19 10:33 ` Andrzej Hajda
2013-06-19 10:36 ` Laurent Pinchart
2013-06-20 6:11 ` Andrzej Hajda
2013-05-16 8:14 ` [PATCH RFC v3 2/3] media: added managed v4l2 control initialization Andrzej Hajda
2013-05-16 22:34 ` Sakari Ailus
2013-05-20 14:24 ` Andrzej Hajda
2013-05-31 1:10 ` Sakari Ailus [this message]
2013-05-23 10:39 ` Hans Verkuil
2013-05-31 1:08 ` Sakari Ailus
2013-05-31 7:59 ` Hans Verkuil
2013-06-06 21:41 ` Sakari Ailus
2013-06-09 18:05 ` Sylwester Nawrocki
2013-06-10 13:36 ` Hans Verkuil
2013-05-23 10:40 ` Hans Verkuil
2013-06-18 22:04 ` Laurent Pinchart
2013-05-16 8:14 ` [PATCH RFC v3 3/3] media: added managed v4l2/i2c subdevice initialization Andrzej Hajda
2013-05-23 10:40 ` Hans Verkuil
2013-06-18 22:00 ` Laurent Pinchart
2013-06-19 14:10 ` [PATCH RFC v4] " Andrzej Hajda
2013-08-22 11:10 ` Hans Verkuil
2013-08-22 11:20 ` Sylwester Nawrocki
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