linux-kernel - Re: [PATCH 05/16] cx18: fix handling of 'radio' module parameter

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Message-ID: <149fa4c4-616c-4c3d-8ad4-bf7be9c6d35c@email.android.com>
Date:	Tue, 31 Jan 2012 09:59:32 -0500
From:	Andy Walls <awalls@...metrocast.net>
To:	Danny Kukawka <danny.kukawka@...ect.de>
CC:	Mauro Carvalho Chehab <mchehab@...radead.org>,
	ivtv-devel@...vdriver.org, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>, mchehab@...hat.com
Subject: Re: [PATCH 05/16] cx18: fix handling of 'radio' module parameter

Danny Kukawka <danny.kukawka@...ect.de> wrote:

>On Dienstag, 31. Januar 2012, Andy Walls wrote:
>> On Tue, 2012-01-31 at 05:01 -0500, Andy Walls wrote:
>> > On Mon, 2012-01-30 at 20:40 +0100, Danny Kukawka wrote:
>> > > Fixed handling of 'radio' module parameter from
>module_param_array
>> > > to module_param_named to fix these compiler warnings in
>cx18-driver.c:
>> >
>> > NACK.
>> >
>> > "radio" is an array of tristate values (-1, 0, 1) per installed
>card:
>> >
>> > 	static int radio[CX18_MAX_CARDS] = { -1, -1,
>> >
>> > and must remain an array or you will break the driver.
>> >
>> > Calling "radio_c" a module parameter named "radio" is wrong.
>> >
>> > The correct fix is to reverse Rusty Russel's patch to the driver in
>> > commit  90ab5ee94171b3e28de6bb42ee30b527014e0be7
>> > to change the "bool" back to an "int" as it should be in
>>
>>                       ^^^^
>> Sorry, a typo here.  Disregard the word "back".
>
>Overseen this. But wouldn't be the correct fix in this case to:
>a) reverse the part of 90ab5ee94171b3e28de6bb42ee30b527014e0be7 to:
>   get: 
>   static unsigned radio_c = 1;
>   
>b) change the following line:
>   module_param_array(radio, bool, &radio_c, 0644);
>   to:
>   module_param_array(radio, int, &radio_c, 0644);
>
>Without b) you would get a warning from the compiler again.
>
>Danny 

Yes, both need to happen.

I mentioned b) at the end of my original email.

Regards,
Andy
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