linux-kernel - Re: [PATCH 2/2] ts2020: Provide DVBv5 API signal strength

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Message-ID: <556F2EF0.9090903@gmail.com>
Date:	Wed, 03 Jun 2015 17:44:32 +0100
From:	Malcolm Priestley <tvboxspy@...il.com>
To:	David Howells <dhowells@...hat.com>
CC:	crope@....fi, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org
Subject: Re: [PATCH 2/2] ts2020: Provide DVBv5 API signal strength



On 03/06/15 17:37, David Howells wrote:
> Malcolm Priestley <tvboxspy@...il.com> wrote:
>
>>>> Yes, also, the workqueue appears not to be initialized when using the dvb
>>>> attached method.
>>>
>>> I'm not sure what you're referring to.  It's initialised in ts2020_probe()
>>> just after the ts2020_priv struct is allocated - the only place it is
>>> allocated.
>>>
>> ts2020_probe() isn't touched by devices not converted to I2C binding.
>
> Hmmm...  Doesn't that expose a larger problem?  The only place the ts2020_priv
> struct is allocated is in ts2020_probe() within ts2020.c and the struct
> definition is private to that file and so it can't be allocated from outside.
> So if you don't pass through ts2020_probe(), fe->tuner_priv will remain NULL
> and the driver will crash.
>

No, it is also allocated in ts2020_attach.

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