[alsa-devel] [PATCH] cs4232: fix crash during chip PNP detection

[Rene Herman]

On 27-07-08 10:49, Takashi Iwai wrote:

> At 23 Jul 2008 15:03:20 +0200,
> krzysztof.h1 at poczta.fm wrote:
>> Rene Herman napisał(a):
>>> On 23-07-08 07:48, Krzysztof Helt wrote:
>>>
>>>
>>> Looking back, it seems this was broken at least as far back as 2.6.20 
>>> which would nicely show how much testing that code path gets. Do I 
>>> understand correctly from the backtrace that you have the PNPBIOS 
>>> hardware? If so, good...
>>>
>> Yes, I borrowed old laptop with PNP bios but no ISA PnP devices.
>> I will test my wss_lib on it.
>>
>>>> --- linux-2.6.26/sound/isa/cs423x/cs4236.c~	2008-07-23
>>> 07:40:16.129637645 +0200
>>>> +++ linux-2.6.26/sound/isa/cs423x/cs4236.c	2008-07-23 07:40:32.905641806
>>> +0200
>>>> @@ -325,6 +325,7 @@ static int __devinit snd_cs423x_pnp_init
>>>>  static int __devinit snd_card_cs4232_pnp(int dev, struct
>>> snd_card_cs4236 *acard,
>>>>  					 struct pnp_dev *pdev)
>>>>  {
>>>> +	acard->wss = pdev;
>>>>  	if (snd_cs423x_pnp_init_wss(dev, acard->wss) > 0)
>>>>  		return -EBUSY;
>>>>  	cport[dev] = -1;
>>>>
>>> Acked-by: Rene Herman >rene.herman at gmail.com>
>>>
>>> (I believe I noticed earlier that struct snd_cs4236->wss, ctrl and mpu 
>>> really needn't/shouldn't be kept around in the first place and you could 
>>> just pass pdev directly as well but that's for another cleanup; this has 
>>> it look most similar to the card variant)
>>>
>> Feel free to changed it but I prefer to have the wss_lib patches merged first to avoid
>> conflicts and redoing the patches.
> 
> Sorry, but this has to be pushed as soon as possible while wss_lib
> patches are for 2.6.28.

Yes, Krysztof's patch does -- he's just commenting on my comment between 
() there. I acked his minimal patch and added you and Jaroslav to the CC 
and commented that it was for .27...

Rene.