linux-kernel - Re: [PATCH] ASoC: atmel: test wrong variable

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Message-Id: <20101122094353.f76830b5.jhnikula@gmail.com>
Date:	Mon, 22 Nov 2010 09:43:53 +0200
From:	Jarkko Nikula <jhnikula@...il.com>
To:	Vasiliy Kulikov <segoon@...nwall.com>
Cc:	kernel-janitors@...r.kernel.org,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Timur Tabi <timur@...escale.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: atmel: test wrong variable

On Sun, 21 Nov 2010 20:40:14 +0300
Vasiliy Kulikov <segoon@...nwall.com> wrote:

> After clk_get() mclk is checked second time instead of pllb check.
> 
> Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>
> ---
>  Cannot compile this driver, so it is not tested.
> 
>  sound/soc/atmel/sam9g20_wm8731.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
> index da9c303..68072a2 100644
> --- a/sound/soc/atmel/sam9g20_wm8731.c
> +++ b/sound/soc/atmel/sam9g20_wm8731.c
> @@ -223,7 +223,7 @@ static int __init at91sam9g20ek_init(void)
>  	}
>  
>  	pllb = clk_get(NULL, "pllb");
> -	if (IS_ERR(mclk)) {
> +	if (IS_ERR(pllb)) {
>  		printk(KERN_ERR "ASoC: Failed to get PLLB\n");
>  		ret = PTR_ERR(mclk);

Update also PTR_ERR as otherwise we don't return any error code
(mclk is ok at this point but pllb has an error).

-- 
Jarkko
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